A kind of live sound processing method and mobile terminalTechnical field
The present embodiments relate to communication technical field, be specifically related to a kind of live sound processing method and movementTerminal.
Background technology
In recent years, along with the development of the mobile terminal technology such as mobile phone, mobile terminal becomes increasingly intelligence,The function that mobile terminal is provided also gets more and more, such as direct broadcast function, along with being continuously increased of social demand,This function live is more and more popular with users.
The live atmosphere of horn of plenty, it is sometimes desirable to add some background musics in live process, in prior art,For realizing this purpose, it usually needs put equipment (such as personal computer) by outside other, implementProcess is as follows: play background music, by the mike of mobile terminal by other outer speakers putting equipmentGather background music and the sound of main broadcaster simultaneously, then the two mixing is play.Owing to needs are by outside otherEquipment of putting obtains background music, and this mode implements can be very inconvenient, and enforcement place is the most limited,And gathering background music by mike simultaneously, radio reception effectiveness comparison is poor, easily collects environmental noise, leadsThe signal quality causing final output is very poor.
Summary of the invention
In view of this, embodiments provide a kind of live sound processing method and mobile terminal, be not required toWant to put equipment outside other and can enrich live atmosphere, it is possible to increase the quality of final output signal.
The live sound processing method that the embodiment of the present invention provides includes:
Obtain the audio file that user selects；
Decode described audio file and obtain audio signal；
Gather the voice signal of described user；
Described audio signal is carried out audio mixing with described voice signal and plays.
The mobile terminal that the embodiment of the present invention provides includes:
Acquiring unit, for obtaining the audio file that user selects；
Decoding unit, is used for decoding described audio file and obtains audio signal；
Collecting unit, for gathering the voice signal of described user；
Audio mixing broadcast unit, for carrying out audio mixing by described audio signal with described voice signal and playing.
In the embodiment of the present invention, mobile terminal can obtain the audio file that user selects, and decodes this audio frequency literary compositionPart obtains audio signal, thus is no longer necessary to put device plays audio signal by outside other, is also no longer necessary toThe mike using mobile terminal gathers this audio signal, after obtaining audio signal, can adjust movementThe mike emphasis of terminal gathers the voice signal of user, then by acquired audio signal with gatheredThe voice signal of user carries out audio mixing and plays, it is thus possible to improve the quality of final output signal.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described belowThe accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present inventionSome embodiments, for those skilled in the art, on the premise of not paying creative work, alsoOther accompanying drawing can be obtained according to these accompanying drawings.
Fig. 1 is a scene schematic diagram of the live sound processing method that the embodiment of the present invention is provided；
Fig. 2 is a schematic flow sheet of the live sound processing method that the embodiment of the present invention is provided；
Fig. 3 a is another schematic flow sheet of the live sound processing method that the embodiment of the present invention is provided；
Fig. 3 b is the schematic flow sheet that the present invention decodes the method for audio file；
The effect plays figure of the provided background music of Fig. 4 a to 4d embodiment of the present invention；
The effect plays figure of the audio that Fig. 5 a to 5d embodiment of the present invention is provided；
Fig. 6 is a structural representation of the mobile terminal that the embodiment of the present invention is provided；
Fig. 7 is another structural representation of the mobile terminal that the embodiment of the present invention is provided.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearlyChu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather thanWhole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative laborThe every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
Due in prior art, when wanting to add other audio signal during live to enrich live atmosphereTime, need by other outer equipment of putting, and the signal quality of final output is the most undesirable, thus the present invention is realExecute example and provide a kind of live sound processing method and mobile terminal, it is not necessary to put equipment by outside otherAbundant live atmosphere, and the quality of final output signal can be improved.The mobile terminal tool of the embodiment of the present inventionBody can be mobile phone, panel computer, notebook computer etc..As shown in Figure 1a, mobile terminal can obtain useThe audio file that family selects, decodes described audio file and obtains audio signal, and this audio signal is for abundant straightBroadcast atmosphere, then the voice signal of the user of collection carried out audio mixing with described audio signal and play, wholeDuring obtain this audio signal by decoding this audio file, because of without other outer put equipment can be richRich live atmosphere, and the quality of final output signal can be improved.
To be described in detail respectively below, the description sequencing of each embodiment is not intended that tool belowBody implements the restriction of sequencing.
Embodiment one
As in figure 2 it is shown, the live sound processing method of the present embodiment comprises the following steps:
The audio file that step 201, acquisition user select；
In implementing, user can enter live interface by the live software on mobile terminal, clicks on straightBroadcast the atmosphere manager at interface with mark (the such as audio file at the audio file selected by correspondence position inputTitle), mobile terminal can according to user input obtain user select audio file.
Step 202, decode described audio file and obtain audio signal；
Described audio signal is for live atmosphere abundant during live.
Step 203, gather the voice signal of described user；
In implementing, it is possible to use the mike of mobile terminal gathers the voice signal of user, the present embodimentIn, owing to mike has only to gather the voice signal of user, it is not necessary to gather other audio signals, thereforeThe position that can adjust mike makes it be directed at user, or adjusts the pattern (such as noise reduction mode) of mikeMake the voice signal of its emphasis collection user, to ensure to collect high-quality voice signal.
Step 204, described audio signal is carried out audio mixing with described voice signal and plays.
In implementing, step 201,202 can perform with step 203, i.e. audio signal and voice simultaneouslySignal can synchronize to obtain.The audio signal that audio mixing will obtain is overlapped behaviour with the voice signal of userMake, and anti-stop signal overflows, in the present embodiment, audio signal and described voice signal can be carried out in real timeAudio mixing.
In the present embodiment, mobile terminal can obtain the audio file that user selects, and decodes this audio file and obtainsTo audio signal, thus it is no longer necessary to put device plays audio signal by outside other, is also no longer necessary to useThe mike of mobile terminal gathers this audio signal, after obtaining audio signal, can adjust mobile terminalMike emphasis gather the voice signal of user, then by acquired audio signal and the user that gatheredVoice signal carry out audio mixing and play, it is thus possible to improve final output signal quality.
Embodiment two
The method that embodiment one describes, the present embodiment will be described in further detail, as shown in Figure 3 a, thisThe live sound processing method of embodiment comprises the steps:
The audio file that step 301, acquisition user select；
In implementing, user can enter live interface by the live software on mobile terminal, clicks on straightBroadcast the atmosphere manager at interface with mark (the such as audio file at the audio file selected by correspondence position inputTitle), mobile terminal can according to user input obtain user select audio file.
Mobile terminal can connect network according to the input of user and obtain this audio file from server, and ifWhen the locally stored middle storage of mobile terminal has this audio file, mobile terminal can also be deposited from this locality of selfStorage obtains this audio file, to realize the quick obtaining of audio file.
The audio file that user selects can be background music (such as some song, light music etc.) file,Or the audio file that user selects can be audio (such as drip sound, applaud, jump sound etc.) file.
Step 302, decode described audio file and obtain audio signal；
Specifically, coding/decoding method can comprise the steps: as shown in Figure 3 b
Step 3021, resolve described audio file with obtain described audio file sampling parameter；
Wherein, the sampling parameter of described audio file includes sample rate, sampling precision and sound channel mode, theseParameter is the major parameter decoded by audio file.
Employing rate, also referred to as sample rate or sample frequency, define the number of samples in the unit interval,It represents with hertz (Hz), and for acoustical signal, sample rate can be used to describe the sound of audio filesMatter, tone, be to weigh sound card, the quality standard of audio files.Sample rate is the highest, during the interval i.e. sampledBetween the shortest, then the sample data obtained within the unit interval is the most, and the expression to signal waveform is the most accurate.Having certain relation between sample rate and original signal frequency, according to Nyquist theorem, only sample rate is highWhen the twice of primary signal highest frequency, the signals revivification that digital signal could be represented becomes original letterNumber.
Sampling precision, the precision of its reflection voice metric wave-shape amplitude, with position (Bit) as unit, such as 8,16.8 signals that sound wave can be divided into 256 grades, 16 can be divided into 65 same ripple, 536 gradesSignal.Such as, when sample sound represents with 16 (2 byte), the sample sound value recorded is 0～65535Scope in, its precision is exactly the 1/65536 of input signal.The size of sample figure place has influence on soundQuality, figure place is the most, and the quality of sound is the highest, and the memory space needed is the most；Figure place is the fewest, soundThe quality of sound is the lowest, and the memory space of needs is the fewest.
Sound channel mode, being divided into monophonic or stereo mode, monophonic value is 1, and double track value is 2.
Step 3022, calculate the encoder bit rate of described audio file；
Code check is also called bit rate, code check=sample rate * sampling precision * sound channel mode, and code check is the highest, transmitsData the biggest, tonequality is the best.
Step 3023, according to described encoder bit rate decode described audio file obtain described audio signal.
Decoding is the process contrary with coding, decodes described audio file according to encoder bit rate i.e. available describedAudio signal.
In implementing, audio file can be decoded into pulse code modulationThe signal of (Pulse-code modulation, PCM) form, it is also possible to audio file is decoded into waveformThe signal of (wave, WAV) form, is not specifically limited herein.Decoding background music file can obtainTo background music signal, decoding audio effect file can obtain sound signal, the background music signal that decoding obtainsOr sound signal is for live atmosphere abundant during live.
Step 303, gather the voice signal of described user；
In the present embodiment, can obtain, before gathering the voice signal of user, the audio file that user selectsIt is decoded in advance, caches in storage after decoding, wait the triggering of the voice signal of user.When collectingDuring the voice signal of user, from caching, directly obtain audio signal carry out audio mixing, to improve audio mixing speed.
In implementing, it is possible to use the mike of mobile terminal gathers the voice signal of user, the present embodimentIn, owing to mike has only to gather the voice signal of user, it is not necessary to gather other audio signals, thereforeThe position that can adjust mike makes it be directed at user, or adjusts the pattern (such as noise reduction mode) of mikeMake the voice signal of its emphasis collection user, to ensure to collect high-quality voice signal.
In the present embodiment, mike can be set according to the sampling parameter of the audio file that step 3021 obtainsGather the sampling parameter of the voice signal of user, according to the sampling parameter arranged, obtain the language from mikeTone signal, so that described audio signal and described voice signal have identical sampling parameter, in order toFollow-up carry out stereo process.
Certainly, the sampling parameter of described voice signal can not also phase with the sampling parameter of described audio signalWith, if it is not the same, then follow-up carry out stereo process before, need to described audio signal or institute's predicateTone signal carries out sampling parameter conversion, so that the two sampling parameter is identical.
The volume of described audio signal is adjusted by step 304, change according to volume button state；
In implementing, the volume of background music, audio etc. can be controlled the volume with mike and control solelyErect meter, with realize background music, audio volume adjust do not affect mike track record.At background soundIn the playing process of pleasure or audio, user can touch the volume of background music or audio according to the actual requirements and pressButton, terminal according to the change of the volume button state of background music or audio to background music or the volume of audioIt is adjusted, when heightening volume, volume can be gradually increased according to presetting step-length of fading in, turn down volumeTime, volume can be gradually reduced according to presetting step-length of fading out, with realize volume switch between different conditions time,Having effect of being fade-in fade-out to do transition, presetting fades in step-length and preset step-length of fading out can set according to actual needs,The two concrete value can be the same or different.
Step 305, described audio signal or described voice signal are carried out the change of voice, filtering, noise reduction process；
In implementing, the instrument such as voice changer, sound filter can be used described audio signal or institute's predicateTone signal carries out the change of voice (such as changing the tone color of sound, tone etc.), filtering (filters outside default frequency rangeSignal), noise reduction process (eliminate digital noise etc.), to obtain higher-quality audio signal or voice letterNumber.
Step 306, described audio signal is carried out audio mixing with described voice signal and plays.
Audio mixing will the sound in multiple source, be integrated into a three-dimensional track (Stereo) or single-tone track(Mono) output in, specifically, can carry out audio mixing to use the following two kinds mode:
The first, first adjust described audio signal and the amplitude of described voice signal, such as, believed by described audio frequencyNumber amplitude be adjusted to the first amplitude threshold, the amplitude of described voice signal is adjusted to the second amplitude threshold,First amplitude threshold and the second amplitude threshold can be identical or different, if it is desired to prominent described audio signal,Then the first amplitude threshold can be more than the second amplitude threshold, and if it is intended to prominent described voice signal, then and theTwo amplitude thresholds can be more than the first amplitude threshold, it addition, do not spill over for signal after ensureing audio mixing, Ke YigenAccording to overflowing amplitude limit value, the first amplitude threshold and the second amplitude threshold are set；Next after amplitude being adjustedDescribed audio signal and described voice signal are superposed to a road, play the signal being superposed to a road.
The second, is directly superposed to a road by described audio signal and described voice signal, it is judged that after superpositionWhether signal overflows, if overflowing, the most not doing other and processing；If there occurs spilling, the most permissibleThe signal overflowed after superposition is carried out attenuation processing, the decay factor that such as calculation overflow signal value is corresponding, rootAccording to this decay factor, spill over is carried out attenuation processing, finally play the signal being superposed to a road.
Illustrate separately below when audio signal be background music and when audio signal is audio the present invention realExecute the live sound processing method that example provides.
It is when the audio signal selected by user is background music refering to Fig. 4 a to Fig. 4 d, Fig. 4 a to Fig. 4 dEffect plays figure.Live interface shown in Fig. 4 a, can arrange atmosphere manager, user at this live interfaceThe atmosphere manager on live interface can be clicked on and enter atmosphere administration interface, atmosphere administration interface such as Fig. 4 bShown in, including background music option and audio option, user determines the type of the audio file of selection, when withAfter family selects background music option, interface can show such as Fig. 4 c, and user can input the background music wantedThe title (such as " When the Rain Comes ") of file, the background music file needed for acquisition for mobile terminal user；SpecificallyIn realization, mobile terminal can connect network according to the input of user and obtain this background music literary composition from serverPart, and if time the locally stored middle storage of mobile terminal has this background music file, mobile terminal can alsoFrom this background music file of locally stored middle acquisition of self, to realize the quick obtaining of background music file.After background music file obtains, it is saved in the listed files that background music option is corresponding.At mobile terminalAfter obtaining this background music file, user can click on this background music file of broadcasting, and mobile terminal decodesThis background music file obtains background music, specifically background music file can be decoded into pulse code modulationThe signal of (Pulse-code modulation, PCM) form, the broadcast interface of background music can be such as Fig. 4 dShown in.
Meanwhile mobile terminal can utilize the voice signal of mike collection user, uses and presets instrument pairDescribed background music or described voice signal carry out Audio Processing, and described default instrument includes voice changer and soundFilter, to obtain high-quality background music signal or voice signal, by this background music signal and this voiceSignal carries out audio mixing and plays.
Without in advance background music file decoding being cached, but solve in real time during liveCode, then can be by background music file segmentation decoding.Owing to decoding background music Documents Comparison is time-consuming, such asBackground music file uses mp3 file, the completely mp3 file of three minutes durations of decoding to need three seconds left sidesThe right side, if after all having been decoded by background music file, then carries out the broadcasting of background music, will useFamily is felt longer time delay, therefore, it can background music file is carried out segmentation decoding, first decodesTo the background music signal of presetting length, as presetting length is set to 12800 bytes, decode 12800 bytes and lead toOften have only to spend a few tens of milliseconds, after the background music signal of decoding presetting length, will the voice of userSignal carries out audio mixing with background music signal and plays.The speed playing music is generally slower than decoding speed, because ofThis just can play with decoding limit, limit after first decoding the background music signal obtaining presetting length, this addresses the problemUser feels the problem of relatively long delay, and user can be the most permissible after selecting background music playing functionHear the background music of broadcasting.
In playing process, as shown in figure 4d, can be with display background music progress, it is also possible to suspend the back of the bodyThe broadcasting of scape music.It addition, user can touch the volume button of background music according to the actual requirements, mobileThe volume of described background music is adjusted by terminal according to the change of volume button state, is heightening volumeTime, volume can be gradually increased according to presetting step-length of fading in, when turning down volume, can fade out according to presettingStep-length is gradually reduced volume, during so that volume switches between different conditions, has effect of being fade-in fade-out to do transition,The volume of background music controls can be independent with the control of the volume of mike, to realize background music volumeAdjustment do not affect mike track record.
When user wants to delete certain background music file, atmosphere manager can be clicked on, enter background soundHappy option, checks all background music file in list, deletes the required background music file deleted i.e.Can.
Fig. 5 a to Fig. 5 d is when the audio signal selected by user is effect plays figure during audio.Shown in Fig. 5 aLive interface, atmosphere manager can be set at this live interface, user can click on live interfaceAtmosphere manager enter atmosphere administration interface, atmosphere administration interface as shown in Figure 5 b, including background music optionWith audio option, user determines the type of the audio file of selection, after user selects audio option, and boundaryFace can show such as Fig. 5 c, including mobile terminal according to operation recommend from server or locally stored screenFine work audio effect file, user can add selected audio effect file for conventional audio effect file, such as, addLife award, jump sound, eating gold coin etc. for conventional audio effect file, the audio that user is added by mobile terminal is civilianPart is saved in the listed files that audio option is corresponding, and user can click on the audio effect file needed for broadcasting, movesDynamic this audio effect file of decoding terminals obtains sound signal, audio effect file specifically can be decoded into pulse code and adjustThe signal of system (Pulse-code modulation, PCM) form, the broadcast interface of audio can be such as Fig. 5 d instituteShow.
Meanwhile mobile terminal can utilize the voice signal of mike collection user, uses and presets instrument pairDescribed audio or described voice signal carry out Audio Processing, and described default instrument includes voice changer and sound filterMirror, to obtain high-quality sound signal or voice signal, mixes this sound signal with this voice signalSound is also play.
In playing process, as fig 5d, audio playing progress rate can be shown, it is also possible to suspend audioPlay.It addition, user can touch the volume button of audio according to the actual requirements, mobile terminal is according to volumeThe volume of described audio is adjusted by the change of button state, when heightening volume, and can be light according to presettingEnter step-length and be gradually increased volume, when turning down volume, volume can be gradually reduced according to presetting step-length of fading out,During so that volume switches between different conditions, have effect of being fade-in fade-out to do transition, the volume of audio control withThe volume of mike controls can be independent, does not affect the record of mike track realizing the adjustment of audio volumeSystem.
When user wants to cancel certain audio effect file, atmosphere manager can be clicked on, enter audio option,Check all audio effect files in list, click on and cancel the audio effect file that can cancel correspondence.
It should be noted that above design sketch is only schematic presentation, it is not intended that effect plays of the present inventionThe final restriction of mode.
I.e. in the present embodiment, when user wants to use background music or audio to enrich live atmosphere, permissibleIn the atmosphere manager at live interface, directly select required audio file, click on and play, audio frequency literary compositionThe acquisition of part and decoding are transparent for user, do not affect whole live process, whole live during,User only need to operate mobile terminal, it is not necessary to operates and puts equipment outside other.
In the present embodiment, mobile terminal can obtain the audio file that user selects, and decodes this audio file and obtainsTo audio signal, thus it is no longer necessary to put device plays audio signal by outside other, is also no longer necessary to useThe mike of mobile terminal gathers this audio signal, after obtaining audio signal, can adjust mobile terminalMike emphasis gather the voice signal of user, then by acquired audio signal and the user that gatheredVoice signal carry out audio mixing and play, it is thus possible to improve final output signal quality.
Embodiment three
In order to preferably implement above method, present invention also offers a kind of mobile terminal, as shown in Figure 6,The mobile terminal of the present embodiment includes:
Acquiring unit 601, for obtaining the audio file that user selects；
Decoding unit 602, is used for decoding described audio file and obtains audio signal；
Collecting unit 603, for gathering the voice signal of described user；
First processing unit 604, for carrying out audio mixing by described audio signal with described voice signal and playing.
In a kind of possible implementation, described acquiring unit 601 specifically for, by network from serviceDevice obtains the audio file that described user selects, or from described in the locally stored middle acquisition of described mobile terminalThe audio file that user selects.
In a kind of possible implementation, described decoding unit 602 includes:
Resolve subelement, for resolving described audio file to obtain the sampling parameter of described audio file；
Decoding subelement, decodes described audio file for the sampling parameter according to described audio file and obtains instituteState audio signal.
In a kind of possible implementation, the employing parameter of described audio file includes sample rate, sampling essenceDegree and sound channel mode；
Described decoding subelement specifically for, calculate the encoder bit rate of described audio file, described encoder bit rateFor described sample rate, sampling precision, the product of sound channel mode three, i.e. code check=sample rate * sampling precision *Sound channel mode；Decoding is and the contrary process of coding, decodes described audio file according to encoder bit rateTo described audio signal.
Wherein, employing rate, also referred to as sample rate or sample frequency, define the sampling in the unit intervalNumber, it represents with hertz (Hz), and for acoustical signal, sample rate can be used to describe sound literary compositionThe tonequality of part, tone, be to weigh sound card, the quality standard of audio files.Sample rate is the highest, i.e. samplesInterval time is the shortest, then the sample data obtained within the unit interval is the most, to the expression of signal waveform alsoThe most accurate.Certain relation is had, according to Nyquist theorem, only between sample rate and original signal frequencyWhen sample rate is higher than the twice of primary signal highest frequency, the signals revivification that digital signal could be represented becomesOriginally signal.
Sampling precision, the precision of its reflection voice metric wave-shape amplitude, with position (Bit) as unit, such as 8,16.8 can be divided into 256 grades sound wave, and 16 can be divided into 65 same ripple, the signal of 536 grades.Such as, each sample sound represents with 16 (2 bytes), and the sample sound value recorded is 0～65535In scope, its precision is exactly the 1/65536 of input signal.The size of sample figure place has influence on the matter of soundAmount, figure place is the most, and the quality of sound is the highest, and the memory space needed is the most；Figure place is the fewest, soundQuality the lowest, the memory space of needs is the fewest.
Sound channel mode, being divided into monophonic or double track, monophonic value is 1, and double track value is 2.
After obtaining the sampling parameter of described audio file, collecting unit 603 can be according to the audio frequency obtainedThe sampling parameter of file arranges the sampling parameter of the voice signal of mike collection user, according to adopting of arrangingSample parameter, obtains the voice signal from mike, so that described audio signal and described voice signalThere is identical sampling parameter, in order to follow-up carry out stereo process.
In a kind of possible implementation, the form of described audio signal includes pulse code modulation PCMForm and waveform WAV form, described audio signal includes background music or audio.
In a kind of possible implementation, described mobile terminal also includes:
Sound volume regulation unit, enters the volume of described background music or audio according to the change of volume button stateRow regulation, when heightening volume, is gradually increased volume according to presetting step-length of fading in, when turning down volume, and rootIt is gradually reduced volume according to presetting step-length of fading out.
In a kind of possible implementation, described mobile terminal also includes:
Second processing unit, for carrying out the change of voice, filtering, drop to described audio signal or described voice signalMake an uproar process.
In a kind of possible implementation, described first processing unit 604 includes:
Amplitude adjusts subelement, for the amplitude of described audio signal being adjusted to the first amplitude threshold, by instituteThe amplitude of predicate tone signal is adjusted to the second amplitude threshold；
Superposition subelement, the described audio signal after amplitude being adjusted and described voice signal are superposed to oneRoad；
Play subelement, for playing the signal being superposed to a road.
In a kind of possible implementation, described first processing unit 604 includes:
Superposition subelement, for being superposed to a road by described audio signal and described voice signal；
Attenuator unit, for carrying out attenuation processing by the signal overflowed after superposition；
Play subelement, for playing the signal being superposed to a road.
It should be noted that the mobile terminal that above-described embodiment provides is when processing live sound, only with above-mentionedThe division of each functional module is illustrated, and in actual application, can above-mentioned functions be divided as desiredJoin and completed by different functional modules, the internal structure of equipment will be divided into different functional modules, with completeBecome all or part of function described above.It addition, the mobile terminal of above-described embodiment offer and live soundVoice handling method belongs to same design, and it implements process and refers to embodiment of the method, and here is omitted.
In the present embodiment, the acquiring unit of mobile terminal can obtain the audio file that user selects, and decoding is singleUnit decodes this audio file and obtains audio signal, thus is no longer necessary to be believed by other outer device plays audio frequency of puttingNumber, also it is no longer necessary to use the mike of mobile terminal to gather this audio signal, after obtaining audio signal,Collecting unit can adjust the voice signal of the mike emphasis collection user of mobile terminal, is then broadcast by audio mixingPut unit the voice signal of acquired audio signal with the user gathered is carried out audio mixing and play, thusThe quality of final output signal can be improved.
Embodiment four
Accordingly, the embodiment of the present invention additionally provides a kind of mobile terminal, as it is shown in fig. 7, this mobile terminalRadio frequency (RF, Radio Frequency) circuit 701 can be included, include one or more calculatingThe memorizer 702 of machine readable storage medium storing program for executing, input block 703, display unit 704, sensor 705, soundFrequency circuit 706, Wireless Fidelity (WiFi, Wireless Fidelity) module 707, include one or oneThe parts such as the individual above processor 708 processing core and power supply 709.Those skilled in the art can manageSolving, the mobile terminal structure shown in Fig. 7 is not intended that the restriction to terminal, can include more more than diagramOr less parts, or combine some parts, or different parts are arranged.Wherein:
RF circuit 701 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially,After the downlink information of base station is received, transfer to one or more than one processor 708 processes；It addition, willRelate to up data and be sent to base station.Generally, RF circuit 701 include but not limited to antenna, at least oneIndividual amplifier, tuner, one or more agitator, subscriber identity module (SIM, Subscriber IdentityModule) card, transceiver, bonder, low-noise amplifier (LNA, Low Noise Amplifier),Duplexer etc..Additionally, RF circuit 701 can also be communicated with network and other equipment by radio communication.Described radio communication can use arbitrary communication standard or agreement, includes but not limited to global system for mobile communications(GSM, Global System of Mobile communication), general packet radio service (GPRS,General Packet Radio Service), CDMA (CDMA, Code Division MultipleAccess), WCDMA (WCDMA, Wideband Code Division Multiple Access),Long Term Evolution (LTE, Long Term Evolution), Email, Short Message Service (SMS, ShortMessaging Service) etc..
Memorizer 702 can be used for storing software program and module, and processor 708 is stored in by operationThe software program of reservoir 702 and module, thus perform the application of various function and data process.Memorizer702 can mainly include store program area and storage data field, wherein, storage program area can store operating system,Application program (such as sound-playing function, image player function etc.) etc. needed at least one function；DepositStorage data field can store the data (such as voice data, phone directory etc.) that the use according to mobile terminal is createdDeng.Additionally, memorizer 702 can include high-speed random access memory, it is also possible to include non-volatile depositingReservoir, for example, at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memorizer 702 can also include Memory Controller, to provide processor 708 and input blockThe access of 703 pairs of memorizeies 702.
Input block 703 can be used for receive input numeral or character information, and produce with user setup withAnd function controls relevant keyboard, mouse, action bars, optics or the input of trace ball signal.Specifically,In a specific embodiment, input block 703 can include Touch sensitive surface and other input equipments.TouchSensitive surfaces, also referred to as touches display screen or Trackpad, can collect user thereon or neighbouring touch operation(such as user uses any applicable object such as finger, stylus or adnexa on Touch sensitive surface or at touch-sensitive tableOperation near face), and drive corresponding attachment means according to formula set in advance.Optionally, touch-sensitiveSurface can include touch detecting apparatus and two parts of touch controller.Wherein, touch detecting apparatus detection is usedThe touch orientation at family, and detect the signal that touch operation brings, transmit a signal to touch controller；TouchController receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processDevice 708, and order that processor 708 sends can be received and performed.Furthermore, it is possible to employing resistance-type,The polytypes such as condenser type, infrared ray and surface acoustic wave realize Touch sensitive surface.Except Touch sensitive surface, inputUnit 703 can also include other input equipments.Specifically, other input equipments can include but not limited toPhysical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operationOne or more in bar etc..
Display unit 704 can be used for showing the information inputted by user or the information being supplied to user and endEnd various graphical user interface, these graphical user interface can by figure, text, icon, video andIts combination in any is constituted.Display unit 704 can include display floater, optionally, can use liquid crystalShow device (LCD, Liquid Crystal Display), Organic Light Emitting Diode (OLED, OrganicLight-Emitting Diode) etc. form configure display floater.Further, Touch sensitive surface can cover aobviousShow panel, when Touch sensitive surface detects thereon or after neighbouring touch operation, sends processor 708 toTo determine the type of touch event, carry on a display panel according to the type of touch event with preprocessor 708For corresponding visual output.Although in the figure 7, Touch sensitive surface and display floater are the portions independent as twoPart realizes input and input function, but in some embodiments it is possible to by Touch sensitive surface and display floaterIntegrated and realize input and output function.
Terminal may also include at least one sensor 705, such as optical sensor, motion sensor and otherSensor.Specifically, optical sensor can include ambient light sensor and proximity transducer, wherein, ambient lightSensor can regulate the brightness of display floater according to the light and shade of ambient light, and proximity transducer can move in terminalWhen moving in one's ear, close display floater and/or backlight.As the one of motion sensor, acceleration of gravitySensor can detect the size of (generally three axles) acceleration in all directions, can detect that gravity time staticSize and direction, can be used for identify mobile phone attitude application (such as horizontal/vertical screen switching, dependent game, magneticPower meter pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Also may be used as terminalOther sensors such as the gyroscope of configuration, barometer, drimeter, thermometer, infrared ray sensor, at thisRepeat no more.
Voicefrequency circuit 706, speaker, microphone can provide the audio interface between user and terminal.Audio frequencyThe signal of telecommunication after the voice data conversion that circuit 706 can will receive, is transferred to speaker, speaker turnsIt is changed to acoustical signal output；On the other hand, the acoustical signal of collection is converted to the signal of telecommunication by microphone, by soundFrequency circuit 706 is converted to voice data after receiving, then after voice data output processor 708 is processed, warpRF circuit 701 to be sent to such as another terminal, or by voice data output to memorizer 702 so thatProcess further.Voicefrequency circuit 706 is also possible that earphone jack, to provide the logical of peripheral hardware earphone and terminalLetter.
WiFi belongs to short range wireless transmission technology, and mobile terminal can help to use by WiFi module 707Family is sent and received e-mail, is browsed webpage and access streaming video etc., and it is mutual that it has provided the user wireless broadbandInternet interview.Although Fig. 7 shows WiFi module 707, but it is understood that, it is also not belonging toMust be configured into of terminal, can omit completely as required in not changing the scope of essence of invention.
Processor 708 is the control centre of mobile terminal, utilizes various interface and connection whole mobile wholeThe various piece of end, is stored in the software program in memorizer 702 and/or module by running or performing,And call the data being stored in memorizer 702, perform the various functions of terminal and process data, thusMobile phone is carried out integral monitoring.Optionally, processor 708 can include one or more process core；Preferably, processor 708 can integrated application processor and modem processor, wherein, application processor is mainProcessing operating system, user interface and application program etc., modem processor mainly processes radio communication.It is understood that above-mentioned modem processor can not also be integrated in processor 708.
Mobile terminal also includes the power supply 709 (such as battery) powered to all parts, it is preferred that power supplyCan be logically contiguous with processor 708 by power-supply management system, thus realize pipe by power-supply management systemThe functions such as reason charging, electric discharge and power managed.Power supply 709 can also include one or moreDirect current or alternating current power supply, recharging system, power failure detection circuit, power supply changeover device or inverter,The random component such as power supply status indicator.
Although not shown, mobile terminal can also include photographic head, bluetooth module etc., does not repeats them here.The most in the present embodiment, the processor 708 in mobile terminal can be according to following instruction, by one or oneThe executable file that the process of individual above application program is corresponding is loaded in memorizer 702, and by processor708 run the application program being stored in memorizer 702, thus realize various function:
Obtain the audio file that user selects；Decode described audio file and obtain audio signal；Gather described useThe voice signal at family；Described audio signal is carried out audio mixing with described voice signal and plays.
Described audio file can be obtained from server by network, or described audio file can be from describedThe locally stored middle acquisition of mobile terminal, described audio signal includes background music or audio.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodimentSuddenly the program that can be by completes to instruct relevant hardware, and this program can be stored in a computer-readableIn storage medium, storage medium may include that read only memory (ROM, Read Only Memory),Random access memory (RAM, Random Access Memory), disk or CD etc..
The live sound processing method of one provided the embodiment of the present invention above and mobile terminal are carried outBeing discussed in detail, principle and the embodiment of the present invention are set forth by specific case used herein, withThe explanation of upper embodiment is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for thisThe technical staff in field, according to the thought of the present invention, the most all has and changesIn place of change, in sum, this specification content should not be construed as limitation of the present invention.