技术领域technical field
本发明主要涉及一种音像处理装置，尤其涉及一种可执行应用程序的音像处理装置。The present invention mainly relates to an audio-video processing device, in particular to an audio-video processing device capable of executing application programs.
背景技术Background technique
随着电脑、平板电脑、智慧型手机等的普遍应用，对于使用者来说，其作业系统所相关的应用程序的操作方式和使用者界面也趋重要。With the widespread use of computers, tablet computers, smart phones, etc., the operation mode and user interface of the application programs related to the operating system are becoming more and more important to users.
目前在一些作业系统上，为了让使用者在执行应用程序可更为顺畅，系统会将大部分的资源提供给目前使用者正在进行的应用程序，其余执行中的应用程序则通常减少其对系统资源的占用或停止进行处理但并未被关闭，然而当使用者欲聆听影片中的音乐而进行其他应用程序的使用时，由于上述机制，系统会判断使用者并不需继续播放图像而一并停止声音的播放，使得使用者无法在待机或是使用其他应用程序的状况下，播放具有图像内容的影片中的声音。At present, on some operating systems, in order to allow users to run applications more smoothly, the system will provide most of the resources to the applications that the user is currently running, and the remaining running applications usually reduce their impact on the system. However, when the user wants to listen to the music in the video and use other applications, due to the above mechanism, the system will judge that the user does not need to continue to play the image and also Stop the playback of sound, so that the user cannot play the sound in the video with graphic content when the user is in standby or using other applications.
发明内容Contents of the invention
为了解决现有技术的问题，根据本发明一实施例所述的一种音像处理装置，包括：一处理单元，于一操作模式时判断一音像应用程序为一前景处理程序或一背景处理程序，当上述音像应用程序为上述前景处理程序时，则根据一音像数据产生一图像数据以及一声音数据，而当上述音像应用程序为上述背景处理程序时，根据上述音像数据仅产生上述声音数据；一显示单元，根据上述图像数据显示一图像画面；以及一扬声器单元，根据上述声音数据播放一声音。In order to solve the problems in the prior art, an audio-video processing device according to an embodiment of the present invention includes: a processing unit, which judges that an audio-video application program is a foreground processing program or a background processing program in an operation mode, When the above-mentioned audio-visual application program is the above-mentioned foreground processing program, then generate an image data and a sound data according to an audio-visual data, and when the above-mentioned audio-video application program is the above-mentioned background processing program, only generate the above-mentioned sound data according to the above-mentioned audio-visual data; A display unit displays an image frame according to the above image data; and a speaker unit plays a sound according to the above sound data.
根据本发明一实施例所述的一种音像处理系统，包括：一音像播放装置，包括一通信单元、一处理单元、一显示单元以及一扬声器单元，其中上述通信单元接收一图像数据以及一声音数据，当上述处理单元于一操作模式执行一音像应用程序时，上述显示单元根据上述图像数据显示一图像画面，而上述扬声器单元根据上述声音数据播放一声音；一服务器，具有一服务器通信单元，其中上述服务器通信单元判断上述音像应用程序为一前景处理程序或一背景处理程序，当上述音像应用程序为上述前景处理程序时，则根据一音像数据传送上述图像数据以及上述声音数据至上述音像播放装置，而当上述音像应用程序为上述背景处理程序时，则根据上述音像数据仅传送上述声音数据至上述音像播放装置。An audio-video processing system according to an embodiment of the present invention includes: an audio-video playback device, including a communication unit, a processing unit, a display unit, and a speaker unit, wherein the communication unit receives an image data and a sound Data, when the above-mentioned processing unit executes an audio-visual application program in an operation mode, the above-mentioned display unit displays an image frame according to the above-mentioned image data, and the above-mentioned speaker unit plays a sound according to the above-mentioned sound data; a server has a server communication unit, Wherein the above-mentioned server communication unit judges that the above-mentioned audio-visual application program is a foreground processing program or a background processing program, and when the above-mentioned audio-visual application program is the above-mentioned foreground processing program, then transmit the above-mentioned image data and the above-mentioned sound data to the above-mentioned audio-video playback according to an audio-video data device, and when the above-mentioned audio-video application program is the above-mentioned background processing program, only the above-mentioned audio-video data is transmitted to the above-mentioned audio-video playback device according to the above-mentioned audio-video data.
根据本发明一实施例所述的一种音像处理方法，包括：判断一音像应用程序为一前景处理程序或一背景处理程序；当上述音像应用程序为上述前景处理程序时，则根据一音像数据产生一图像数据以及一声音数据，而当上述音像应用程序为上述背景处理程序时，根据上述音像数据仅产生上述声音数据；根据上述图像数据于一显示单元输出一图像画面；以及根据上述声音数据于一扬声器单元输出一声音。An audio-video processing method according to an embodiment of the present invention includes: judging that an audio-video application program is a foreground processing program or a background processing program; when the above-mentioned audio-video application program is the above-mentioned foreground processing program, then Generate an image data and a sound data, and when the above-mentioned audio-visual application program is the above-mentioned background processing program, only the above-mentioned sound data is generated according to the above-mentioned audio-visual data; an image frame is output on a display unit according to the above-mentioned image data; and according to the above-mentioned sound data A sound is output from a speaker unit.
根据本发明一实施例所述的一种音像播放装置，包括：一处理单元，于一操作模式执行一音像应用程序，以及判断上述音像应用程序为一前景处理程序或一背景处理程序；一通信单元，当上述处理单元判断上述音像应用程序为上述前景处理程序时，接收来自一服务器的一图像数据以及一声音数据，而当上述处理单元判断上述音像应用程序为上述背景处理程序时，仅接收来自上述服务器的上述声音数据；一显示单元，根据上述图像数据显示一图像画面；一扬声器单元，根据上述声音数据播放一声音。An audio-video playback device according to an embodiment of the present invention includes: a processing unit that executes an audio-video application program in an operation mode, and judges that the above-mentioned audio-video application program is a foreground processing program or a background processing program; a communication A unit, when the processing unit determines that the audio-visual application program is the foreground processing program, it receives an image data and a sound data from a server, and when the processing unit determines that the audio-video application program is the background processing program, it only receives The above-mentioned sound data from the above-mentioned server; a display unit, which displays an image frame according to the above-mentioned image data; and a speaker unit, which plays a sound according to the above-mentioned sound data.
本发明可达成减少资源的占用以节省功率或达成延长电池使用时间的效果。The present invention can achieve the effect of reducing resource occupation to save power or prolong battery life.
附图说明Description of drawings
由阅读以下详细说明及配合所附附图的举例，可更完整地了解本发明所披露，如下：The disclosure of the present invention can be more fully understood by reading the following detailed description and the examples in conjunction with the accompanying drawings, as follows:
图1是显示根据本发明一实施例所述的音像处理装置100的方框图。FIG. 1 is a block diagram showing an audio-video processing device 100 according to an embodiment of the invention.
图2是显示根据本发明一实施例所述的音像处理系统的方框图。FIG. 2 is a block diagram showing an audio-video processing system according to an embodiment of the invention.
图3是显示根据本发明图1所示的音像处理装置的方法实施例的流程图。FIG. 3 is a flowchart showing a method embodiment of the audio-video processing device shown in FIG. 1 according to the present invention.
图4是显示根据本发明图2所示的音像处理系统的应用方法的一实施例的流程图。FIG. 4 is a flow chart showing an embodiment of the application method of the audio-video processing system shown in FIG. 2 according to the present invention.
其中，附图标记说明如下：Wherein, the reference signs are explained as follows:
100～音像处理装置；100～audio-video processing device;
110、214、224～处理单元；110, 214, 224～processing unit;
112～图像解码单元；114～声音解码单元；112～image decoding unit; 114～sound decoding unit;
116～音像分离单元；120、216～显示单元；116～audio-video separation unit; 120, 216～display unit;
130、218～扬声器单元；210～音像播放装置；130, 218～speaker unit; 210～audio-video playback device;
220～服务器；212、222～通信单元；220～server; 212, 222～communication unit;
Buf～缓冲器DA～声音编码数据；Buf～buffer DA ～sound coding data;
DI～图像编码数据；DM～音像数据。DI ～image coding data; DM ～audio-video data.
具体实施方式detailed description
以下叙述显示许多借本发明完成的实施例。其叙述用以说明本发明的基本概念并不带有限定的含意。本发明的范围在所附的权利要求中有最佳的界定。The following description shows a number of embodiments that can be accomplished by means of the present invention. Its description is used to illustrate the basic concept of the present invention and does not have a limiting meaning. The scope of the invention is best defined in the appended claims.
图1显示根据本发明一实施例所述的音像处理装置100的方框图。根据本发明一实施例所述的音像处理装置100包括处理单元110、显示单元120以及扬声器单元130。处理单元110还可包括图像解码单元112、声音解码单元114以及音像分离单元116。在本发明一些实施例中，当使用者于操作模式下利用音像处理装置100执行应用程序时，应用程序根据使用者使用的情形主要分为两类，分别为前景处理程序以及背景处理程序，其中在前景处理程序的应用程序通常为使用者正在使用的应用程序，因此系统会分配相对较多的系统资源，例如中央处理单元(Centralprocessingunit)的占用率、暂存存储器的使用量等等，而在背景处理程序的应用程序系统通常为使用者目前暂时不使用但并未关闭的应用程序，因此系统则分配相对较少的系统资源。在本发明一实施例中，当使用者于前景处理程序下执行一个应用程序来播放包含图像以及声音内容的音像数据DM时，音像分离单元116将音像数据DM分离出图像编码数据DI以及声音编码数据DA，接着图像编码数据DI被传送至图像解码单元112，解码后再借由显示单元120输出对应的图像画面，而声音编码数据DA则是传送至声音解码单元114，解码后再借由扬声器单元130输出对应的声音。另外，音像数据DM的来源可以是存储于音像处理装置100的存储器中或是从外部所接收的。FIG. 1 shows a block diagram of an audio-video processing device 100 according to an embodiment of the invention. The audio-video processing device 100 according to an embodiment of the present invention includes a processing unit 110 , a display unit 120 and a speaker unit 130 . The processing unit 110 may further include an image decoding unit 112 , an audio decoding unit 114 and an audio-video separation unit 116 . In some embodiments of the present invention, when the user uses the audio-video processing device 100 to execute the application program in the operation mode, the application program is mainly divided into two types according to the user's use situation, which are the foreground processing program and the background processing program, wherein The application program in the foreground processing program is usually the application program being used by the user, so the system will allocate relatively more system resources, such as the occupancy rate of the central processing unit (CPU), the usage of the temporary storage, etc., while in the The application system of the background processing program is usually an application program that is not used by the user but has not been closed, so the system allocates relatively less system resources. In one embodiment of the present invention, when the user executes an application program under the foreground processing program to play the audio-visual data DM containing image and sound content, the audio-visual separation unit116 separates the audio-visual dataDM into image coded data DI And the audio coded data DA , then the image coded data DI is sent to the image decoding unit 112, and after decoding, the corresponding image picture is output by the display unit 120, and the audio coded data DA is sent to the audio decoding unit 114, After decoding, the corresponding sound is output through the speaker unit 130 . In addition, the source of the audio-video dataDM can be stored in the memory of the audio-video processing device 100 or received from outside.
然而在一些情况下，正在播放的音像数据DM的应用程序可能会被使用者切换至背景处理程序的状态下，例如，使用者执行其他应用程序或是系统自身在某些条件的触发下执行其他应用程序，此时通常显示单元120显示使用者其他正在使用的应用程序界面或是其他画面。为了让音像数据DM的播放更有连贯性或是能够持续播放来自音像数据DM中的声音，因此在本发明一些实施例中，当处理单元110检测到在播放的音像数据DM的应用程序为背景处理程序时，音像分离单元116仍将音像数据DM分离出声音编码数据DA，接着仅将声音编码数据DA传送至声音解码单元114，解码后再借由扬声器单元130输出对应的声音。或者，音像分离单元116仍将音像数据DM分离出声音编码数据DA及图像编码数据DI，但此时并不传送图像编码数据DI至图像解码单元112。借此，使用者仍可以听见音像数据DM中的声音持续播放，而不会因为目前显示单元120用以显示其他应用程序的画面而停止，此外，由于此时并不需要对音像数据DM中的图像编码数据DI进行处理，仅对音像数据DM中的声音编码数据DA进行处理及播放，因此也减少资源的占用更能节省功率或达成延长电池使用时间的效果。However, in some cases, the application program of the audio-visual dataDM being played may be switched to the state of the background processing program by the user, for example, the user executes other application programs or the system itself executes under the trigger of certain conditions For other application programs, at this time, the display unit 120 usually displays other application program interfaces or other screens that the user is using. In order to make the playing of the audio-visual dataDM more consistent or to continuously play the sound from the audio-visual dataDM , in some embodiments of the present invention, when the processing unit 110 detects the application of the playing audio-visual dataDM When the program is a background processing program, the audio-video separation unit 116 still separates the audio- video dataDM into the audio coded data DA, and then only transmits the audio coded data DA to the audio decoding unit 114, and then outputs the corresponding audio data through the speaker unit 130 after decoding. the sound of. Alternatively, the audio-video separating unit 116 still separates the audio-video dataDM into the encoded audio data DA and the encoded image dataDI , but does not transmit the encoded image data DI to the image decoding unit 112 at this time. In this way, the user can still hear the sound in the audio-visual dataDM to continue to play, and will not stop because the display unit 120 is currently used to display the pictures of other applicationprograms . The coded image dataDI in the audio- visual dataDM is processed, and only the coded audio data DA in the audio-visual data DM is processed and played, thus reducing resource occupation and saving power or extending battery life.
在本发明一些实施例中，在音像处理装置100于待机模式下也可具有相同于播放的音像数据DM的应用程序为背景处理程序时的效果。当音像数据DM的应用程序正在执行的时候，音像处理装置100被切换到待机模式时，音像分离单元116仍继续将音像数据DM分离出声音编码数据DA，接着仅将声音编码数据DA传送至声音解码单元114，解码后再借由扬声器单元130输出对应的声音。借此，使用者仍可以听见音像数据DM中的声音持续播放，此外，由于此时并不需要对音像数据DM中的图像编码数据DI进行处理，故也可达成减少资源的占用以节省功率或达成延长电池使用时间的效果。In some embodiments of the present invention, when the audio-video processing device 100 is in the standby mode, it can also have the same effect as when the application program of the played audio-video dataDM is a background processing program. When the application program of the audio-visual dataDM is being executed, when the audio-visual processing device 100 is switched to the standby mode, the audio-visual separation unit 116 still continues to separate the audio-visual dataDM into the audio coded data DA , and then only the audio coded data DA is sent to the sound decoding unit 114 , and after decoding, the corresponding sound is output through the speaker unit 130 . In this way, the user can still hear the sound in the audio-visual data DM to continue to play. In addition,since the image coding data D1 in the audio-visual dataDM does not need to be processed at this time, it can also reduce the occupation of resources. Save power or achieve the effect of extending battery life.
图2是显示根据本发明一实施例所述的音像处理系统的方框图。根据本发明一实施例所述的音像处理系统包含有音像播放装置210以及服务器220。音像播放装置210，具有通信单元212、显示单元214以及扬声器单元216，其中音像播放装置210借由通信单元212接收来自服务器220的音像数据DM，并借由显示单元214以及扬声器单元216分别输出相对应音像数据DM的图像画面和声音。FIG. 2 is a block diagram showing an audio-video processing system according to an embodiment of the invention. The audio-video processing system according to an embodiment of the present invention includes an audio-video playback device 210 and a server 220 . The audio-visual playing device 210 has a communication unit 212, a display unit 214 and a speaker unit 216, wherein the audio-video playing device 210 receives the audio-visual data DM from the server 220 through the communication unit212 , and outputs them respectively through the display unit 214 and the speaker unit 216. Corresponding to the image picture and sound of the audio-visual dataDM .
在本发明一实施例中，当音像播放装置210的处理单元214于前景处理程序下执行应用程序来播放音像数据DM时，服务器220的通信单元222可检测到音像播放装置210用以播放音像数据DM的应用程序于前景处理程序下，接着服务器220的通信单元222将完整的音像数据DM(包括图像编码数据DI以及声音编码数据DA)传送至通信单元212，而音像播放装置210借由处理单元214将音像数据DM中的图像编码数据DI以及声音编码数据DA解码，接着再借由显示单元216输出对应的图像画面以及借由扬声器单元218输出对应的声音。In one embodiment of the present invention, when the processing unit 214 of the audio-video player 210 executes an application program to play the audio-video data DM under the foreground processing program, the communication unit222 of the server 220 can detect that the audio-video player 210 is used to play the audio-video The application program of the data DM is under the foreground processing program, and then the communication unit 222 of the server 220 transmits the complete audio-visual dataDM (comprising image coded dataDI and sound coded dataDA) to the communication unit 212, and the audio-video playback device 210decodes the encoded image data DI and encoded audio data DA in the audio-visual data DM by the processing unit 214 , and then outputs the corresponding image frame by the display unit 216 and the corresponding sound by the speaker unit 218 .
另一方面，当音像播放装置210的处理单元214于背景处理程序下执行应用程序来播放音像数据DM时，服务器220的通信单元222也可检测到音像播放装置210用以播放音像数据DM的应用程序于背景处理程序下，此时，接着服务器220的处理单元224则将音像数据DM分离出声音编码数据DA，接着借由通信单元222将声音编码数据DA传送至音像播放装置210的通信单元212，而音像播放装置210借由处理单元214将声音编码数据DA解码，接着再借由扬声器单元218输出对应的声音。在另一些实施例中，可借由音像播放装置210的处理单元214判断应用程序为前景处理程序或背景处理程序，通信单元212也可根据处理单元214的判断结果来决定接收图像编码数据DI以及声音编码数据DA二者，或是仅接收声音编码数据DA，服务器220的通信单元222则对应地根据音像播放装置210的通信单元212的需求提供对应的音像数据DM。借此，使用者仍可以听见音像数据DM中的声音持续播放，且此时并不需要对音像数据DM中的图像编码数据DI进行处理，仅对音像数据DM中的声音编码数据DA进行处理及播放，因此也减少资源的占用更能节省功率或达成延长电池使用时间的效果。此外，还由于通信单元222仅传送声音编码数据DA的数据至通信单元212，因此更降低了二者之间通讯传输的频宽使用量，进而提升其他应用程序取得服务器220其他数据的速度。On the other hand, when the processing unit 214 of the audio-video player 210 executes the application program to play the audio-video data DM under the background processing program, the communication unit222 of the server 220 can also detect that the audio-video player 210 is used to play the audio-video dataDM The application program is under the background processing program. At this time, the processing unit 224 of the server 220 then separates the audio-visual dataDM into the audio- coded data DA, and then transmits the audio- coded data DA to the audio-video playback device through the communication unit 222. The communication unit 212 of 210 , and the audio- video playback device 210 decodes the audio coded data DA through the processing unit 214 , and then outputs the corresponding sound through the speaker unit 218 . In some other embodiments, the processing unit 214 of the audio-video playback device 210 can determine whether the application program is a foreground processing program or a background processing program, and the communication unit 212 can also decide to receive the coded image data DI according to the determination result of the processing unit 214. and the encoded audio data DA, or only the encoded audio data DA, the communication unit 222 of the server 220 correspondingly provides the corresponding audio- visual dataDM according to the requirements of the communication unit 212 of the audio-video playback device210 . In this way, the user can still hear the sound in the audio-visual data DM to continue to play, and at this time, it is not necessary to process the imagecoding data D1 in the audio-visual dataDM , only the sound coding data in the audio-visual dataDM DA is used for processing and playing, so it also reduces resource occupation and saves power or achieves the effect of extending battery life. In addition, since the communication unit 222 only transmits the audiocoded data DA to the communication unit 212 , the usage of bandwidth for communication transmission between the two is further reduced, thereby increasing the speed for other applications to obtain other data from the server 220 .
在本发明一些实施例中，当音像数据DM的应用程序正在执行的状况下，音像播放装置210被切换到待机模式时，服务器220的通信单元222也可检测到音像播放装置210于待机模式下，在此实施例中，待机模式下与应用程序于背景处理程序下的状况有些不同。由于音像播放装置210在待机模式下，一般会停止通信单元212的操作以降低功率消耗，而无法持续的接收来自服务器220的音像数据DM，因此音像播放装置210还可包括一个缓冲器Buf用以暂存通信单元222所接收到的数据。另外，由于在待机模式下，一般并不需要显示画面，故此时服务器220的处理单元224则将音像数据DM分离出声音编码数据DA，接着借由通信单元222将声音编码数据DA的一部分传送至通信单元212的缓冲器Buf暂存，暂存后通信单元212则随即禁能，而音像播放装置210借由处理单元214将缓冲器Buf所暂存的声音编码数据DA解码，接着再借由扬声器单元218输出对应的声音，并以一既定周期再次将通信单元212使能以接收声音编码数据DA接下来的部分并暂存至缓冲器Buf，使得声音的播放不会因此而中断。In some embodiments of the present invention, when the application program of the audio-visual dataDM is being executed, and the audio-video playback device 210 is switched to the standby mode, the communication unit 222 of the server 220 may also detect that the audio-video playback device 210 is in the standby mode. However, in this example, standby mode is somewhat different than the application in the background process. Since the audio-video player 210 generally stops the operation of the communication unit 212 to reduce power consumption in standby mode, and cannot continuously receive audio-video data DM from the server 220, the audio-video player 210 may also include a bufferBuf for The data received by the communication unit 222 is temporarily stored. In addition, since in the standby mode, there is generally no need to display a picture, so at this time the processing unit 224 of the server 220 separates the audio- visual dataDM into the audio coded data DA, and then uses the communication unit 222 to convert the audio coded dataDA intoA part is sent to the buffer Buf of the communication unit 212 for temporary storage, after the temporary storage, the communication unit 212 is disabled immediately, and the audio-video playback device 210 decodes the audio coded data DA temporarily stored in the buffer Buf by the processing unit 214, and then Then the corresponding sound is output by the speaker unit 218, and the communication unit 212 is enabled again witha predetermined period to receive the next part of the sound coded data DA and temporarily store it in the buffer Buf, so that the playing of the sound will not be interrupted. interruption.
图3是显示根据本发明图1所示的音像处理装置的方法实施例的流程图。于步骤S302中，使用者执行一个应用程序来播放包含图像以及声音内容的音像数据DM时。于步骤S304中，处理单元110判断该应用程序为前景处理程序、背景处理程序或待机模式，若应用程序为前景处理程序时则进入步骤S306A，反之若应用程序为背景处理程序或是处理单元110为待机模式时，则进入步骤S306B。FIG. 3 is a flowchart showing a method embodiment of the audio-video processing device shown in FIG. 1 according to the present invention. In step S302, the user executes an application program to play audio-visual dataDM including images and audio content. In step S304, the processing unit 110 judges that the application program is a foreground processing program, a background processing program or a standby mode, and if the application program is a foreground processing program, then enters step S306A; When it is in standby mode, go to step S306B.
于步骤S306A中，音像分离单元116将音像数据DM分离出图像编码数据DI以及声音编码数据DA，接着于步骤S308A中，图像编码数据DI被传送至图像解码单元112进行解码，而声音编码数据DA则是传送至声音解码单元114进行解码。最后于S310A中，借由显示单元120输出对应的图像画面，以及借由扬声器单元130输出对应的声音。In stepS306A , the audio-visual separation unit 116 separates the audio-visual data DM into image coded data DI and audio coded data DA , and then in step S308A, the image coded data DI is sent to the image decoding unit 112 for decoding, andThe audio coded data DA is sent to the audio decoding unit 114 for decoding. Finally, in S310A, the display unit 120 outputs the corresponding image frame, and the speaker unit 130 outputs the corresponding sound.
另一方面，于步骤S308B中，音像分离单元116将音像数据DM分离出声音编码数据DA，接着于步骤S308B中，只有声音编码数据DA则是传送至声音解码单元114进行解码。最后于S310B中，借由扬声器单元130输出对应的声音。On the other hand, in stepS308B , the audio-video separation unit 116 separates the audio- video data DM into audio coded data DA, and then in stepS308B , only the audio coded data DA is sent to the audio decoding unit 114 for decoding. Finally, in S310B, the corresponding sound is output through the speaker unit 130 .
另外，应了解到步骤S304中对应用程序的检测可为持续性的，换句话说，当使用者于步骤S302借由该应用程序播放音像数据DM后且并未被使用者关闭，只要该应用程序的状态有所变动，例如变为前景处理程序、后景处理程序或是处理器改操作于待机模式下，均立即进入相对应的处理步骤S306A或是S306B中。In addition, it should be understood that the detection of the application program in step S304 can be continuous, in other words, when the user plays the audio-visual data DM through the application program in stepS302 and has not been closed by the user, as long as the application program If the state of the application program changes, for example, it becomes a foreground processing program, a background processing program or the processor changes to operate in standby mode, it immediately enters into the corresponding processing step S306A or S306B.
图4是显示根据本发明图2所示的音像处理系统的应用方法的一实施例的流程图。FIG. 4 is a flow chart showing an embodiment of the application method of the audio-video processing system shown in FIG. 2 according to the present invention.
于步骤S402中，音像播放装置210的处理单元214执行应用程序以播放从服务器220所接收的音像数据DM，接着于步骤S404中，服务器220的通信单元222检测音像播放装置210用以播放音像数据DM的应用程序为前景处理程序、背景处理程序或待机模式，若应用程序为前景处理程序时则进入步骤S406A，反之若应用程序为背景处理程序或是音像播放装置210的处理单元214为待机模式时，则进入步骤S406B。In step S402, the processing unit 214 of the audio-video player 210 executes the application program to play the audio-video data DM received from the server 220, and then in stepS404 , the communication unit 222 of the server 220 detects that the audio-video player 210 is used to play the audio-video The application program of the data DM is a foreground processing program, a background processing program or a standby mode, if the application program is a foreground processing program, then enter stepS406A , otherwise if the application program is a background processing program or the processing unit 214 of the audio-video player 210 is In standby mode, go to step S406B.
于步骤S406A中，服务器220的通信单元222将完整的音像数据DM(包括图像编码数据DI以及声音编码数据DA)传送至音像播放装置210的通信单元212，而接着于步骤S408A，音像播放装置210则可借由处理单元214将音像数据DM中的图像编码数据DI以及声音编码数据DA解码，并于显示单元216输出对应的图像画面以及于扬声器单元218输出对应的声音。In stepS406A , the communication unit 222 of the server 220 transmits the complete audio-visual data DM (comprising image coded data DI and audio coded data DA ) to the communication unit 212 of the audio-video playback device 210, and then in step S408A, the audio-visual The playback device 210 can use the processing unit 214 todecode the encoded image data DI and the encoded audio data DA in the audio-visual data DM, and output the corresponding image picture on the display unit 216 and the corresponding sound on the speaker unit 218.
另一方面，于步骤S406B中，服务器220的处理单元224则将音像数据DM分离出声音编码数据DA，接着借由通信单元222仅将声音编码数据DA传送至音像播放装置210的通信单元212，而接着于步骤S408B，音像播放装置210借由处理单元214将声音编码数据DA解码，接着再借由扬声器单元218输出对应的声音。On the other hand, in stepS406B , the processing unit 224 of the server 220 separates the audio-visual data DM into the audio coded data DA , and then transmits only the audio coded data DA to the communication of the audio-video playback device 210 through the communication unit 222 unit 212 , and then in step S408B, the audio-video playback device 210 decodes the audio coded data DA through the processing unit 214 , and then outputs the corresponding sound through the speaker unit 218 .
需另外注意到，在本发明一些实施例中，待机模式下与应用程序于背景处理程序下的步骤可以有些不同。举例来说，若音像播放装置210在待机模式下，在步骤S406B中，音像播放装置210的通信单元212还将接收到的声音编码数据DA暂存至缓冲器Buf中，接着通信单元212则禁能或是休眠以节省功率消耗，而由于缓冲器Buf仅暂存一部分的声音编码数据DA且步骤S408B中音像播放装置210持续输出缓冲器Buf所暂存的声音编码数据DA对应的声音，因此为了避免使用者声音的播放因此而中断，步骤S408B通信单元212还会以一个既定周期再次使能以接收声音编码数据DA接下来的部分并暂存至缓冲器Buf。It should be noted that in some embodiments of the present invention, the steps in the standby mode and the application in the background process may be somewhat different. For example, if the audio-video playback device 210 is in standby mode, in stepS406B , the communication unit 212 of the audio-video playback device 210 also temporarily stores the received audio coded data DA in the buffer Buf, and then the communication unit 212 then Disable or dormant to save power consumption, and because the buffer Buf only temporarily stores a part of the audio coded data DA and in stepS408B , the audio- video playback device 210 continues to output the sound corresponding to the audio coded data DA temporarily stored in the buffer Buf Therefore, in order to avoid the interruption of the playing of the user's voice, stepS408B the communication unit 212 will be enabled again in a predetermined cycle to receive the next part of the voice coded data DA and temporarily store it in the buffer Buf.
本发明虽已叙述优选的实施例如上，但因了解上述所披露并非用以限制本发明实施例。相反地，其涵盖多种变化以及相似的配置(本领域普通技术人员可明显得知)。此外，应根据所附的权利要求作最广义的解读以包含所有上述的变化以及相似的配置。Although the preferred embodiments of the present invention have been described above, it is understood that the above disclosure is not intended to limit the embodiments of the present invention. Rather, it encompasses numerous changes and similar arrangements (obvious to those of ordinary skill in the art). Furthermore, the appended claims should be read in their broadest sense to encompass all such modifications and similar arrangements.
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