CN1345446A - digital voice reproduction device - Google Patents

Abstract

The present invention relates to an information device which converts data stored in a storage element in the form of digital signals into analog signals audible to the ears like human voice, and facilitates the availability of a large amount of information by reproducing text data input from a computer keyboard, text-recorded voice data printed in books and magazines, and text data converted from a medium such as a scanner or an Optical Character Reader (OCR) into voice. The digital voice reproducing apparatus of the present invention comprises a storage medium and a reproducing part, and data intended to be converted into human voice, character data inputted by a computer keyboard, voice data in human voice, and character data converted by other media such as a scanner or an Optical Character Reader (OCR) are stored in the storage medium. The storage medium may be a semiconductor memory such as a ROM (read only memory), a high speed memory, and a FRAM (ferroelectric random access memory), or a storage medium such as a computer diskette.

Description

Apparatus for reproducing digital voice

Affiliated field

The present invention is relevant with a kind of apparatus for reproducing digital voice, and especially relevant with the lteral data transcriber that can export the voice data that is stored in memory element and other digital form, this device changes lteral data into audible voice.

Technical background

By reproducing by the lteral data of computer keyboard input, being imprinted on speech data that the text conversion of books and magazine comes and by scanner or optical character reader (OCR) media conversion of etc.ing and be stored in the lteral data of memory element, promptly by reproducing these all data, the supported application of the convenient bulk information of the present invention.

Between the individual in the information transmission, the progress of electronic communication industry, internet and other communication facilities and peripheral software progress of industry thereof cause a variation: by print media to e-file---conversion from traditional office to paperless office.

But in mass information transmission is in newspaper, magazine and the books, and wherein major part is still used print media, under the huge situation of quantity of information, needs huge storage space, and saying nothing of owing to it is unfavorable for that people carry influences use.

As a result, can reproduced image the form data, as the printing word data in the display device and the image of magazine, e-book, just study at present as a kind of new medium at home and abroad arduously.

Because the such portable media of e-book is in order to read, it always wants a certain size display device, and the input-output unit resemble the computer keyboard, and its size, weight and price must be near portable notebook computers.But this type of device owing to rock, will increase the weight of user's eye fatigue when using on the vehicles---this is an important disadvantages very.

Summary of the invention

The present invention will provide an apparatus for reproducing digital voice, and lteral data is changed into the accessible human speech of ear.

Another object of the present invention is that transcriber will be provided, and it becomes another kind of medium to the digital speech information of compression from a kind of medium easily.

A further object of the present invention will provide a kind of device, Word message is changed into voice messaging offer illiterate people.

The 4th purpose of the present invention will provide a kind of device, Word message is changed into voice messaging store, and reappear voice when needed, thereby this apparatus structure is fairly simple.

The 5th purpose of the present invention will provide an apparatus for reproducing digital voice, and it receives Word message from computer keyboard, and is reproduced as voice messaging.

The 6th purpose of the present invention will provide a kind of printing word information reproduction apparatus, and it changes printing word information into acoustic information, passes through a device again its synthetic speech (TTS, literal is to voice), and therefore a device simple in structure is provided.

The 7th purpose of the present invention will provide an apparatus for reproducing digital voice, and its subsidiary interface and other external instruments join, and make data be convenient to be converted to other mediums from a kind of medium.

In order to reach all these purposes, device of the present invention is made of the medium of storage data especially, the transformation of data that handle is stored in the medium is the reproduction block of speech data, one is can listen the output block of speech play speech data, and a control assembly of selecting by the user, the signal of its output control reproduction block and output block.

Characteristics of apparatus of the present invention are that the data that are stored in medium are data of literal.

Another characteristics of apparatus of the present invention are that the data that are stored in medium are speech datas of compression.

Description of drawings

Fig. 1 is a block scheme, and it represents a preferred embodiment of device of the present invention.

Fig. 2 is a block scheme, and it represents the embodiment of a replacement of device of the present invention.

Fig. 3 is a block scheme, and it represents being connected of reproduction digital voice device of the present invention and other instruments.

The symbol of main building block among the figure:

110: storer and interface link

120: reproduction block

130: output block

140: control assembly

300: external input block

The description of preferred embodiment

The 26S Proteasome Structure and Function that the present invention reproduces digital voice device is described below, can be with reference to the accompanying drawings when needing.Fig. 1 is a block scheme, and it represents a structure of reproducing digital voice device of the present invention.

The transformation of data that this device changes simulated data into from numerical data by the medium 112 that changes the digital speech information of compression into for the interface link 111 that links to each other with other instruments, literal and store, the speech data that is stored in medium 112 reproduction block 120, one provides reproduction block 120 constitutes its output signal control reproduction block 120 and output block 130 for the output block 130 that can listen voice, the control assembly 140 of a control output signal that the user selects.

The in fact available infrared communication mouth of interface link 111, RS-232C, USB mouth etc. and similar interface.

The medium storage is by the speech data that literal changes and compression forms, and it can be made up of semiconductor memory, floppy disk etc., and semiconductor memory can read storer (RAM) with common ROM, high-speed internal memory or ferroelectric random.In order to reach these purposes of the present invention, medium should be able to arbitrarily visit or extract from reproduction block, and being easy to exchange is its condition precedent.

Reproduction block 120 comprises memory controller 121 and digital to analog converter 123, this memory controller 121 is according to the data that optionally read from control assembly 140 control signals in the medium, this digital to analog converter 123 changes the numerical data that is provided by demoder 122 into simulated data and output, and this demoder 122 decompresses to lay equal stress on by memory controller 121 data that provided are provided.

Output block 130 comprises low-pass filter 131, amplifier 132 and loudspeaker 133, this low-pass filter 131 obtains simulated data by reproduction block 120, filter the high frequency waves signal that is mixed in the simulated data, the ripple of the frequency that it can only can be heard by the user, this amplifier 132 receive and also amplify by the logical voice signal of low-pass filter 131 filters; This loudspeaker 133, it exports the voice signal that is exaggerated device 132 amplifications by they being changed into the voice that can listen.

Control assembly 140 comprises input block 141, system controller 142, structure address calculator 143 and the panel component 144 of adjusting signal.The input block 141 of this adjustment signal has many adjusters to receive the input of adjusting by customer requirements; The signal that these system controller 142 identifications are provided by the input block 141 of adjusting signal, and output appropriate control signals; This structure address calculator 143 provides the position of numerical data, to respond the control data from system controller 142; The adjustment signal that is provided by the input block 141 of adjusting signal, the current running status of reproduction block are provided this panel component 144.When storage medium is floppy disk, adds a servocontrol (not shown) and control its driver.

The input block 141 of adjusting signal has a function key as common most of reproduction block, it is used for reproducing, stops, travels forward, moves backward, repeats in fragment etc.When the user presses function key, system controller 142 identifications also provide appropriate control signals, and this control signal is sent to structure address calculator 143, and it is according to relative address count results control store controller 121, determine the address of relational storage, determine the position of numeral and it is provided.

For digital voice data can return to their initial sizes, demoder 122 expansions also return to the initial size of audio digital signals, because they have compressed as 1: 16 in a ratio, therefore exporting voice messaging may increase the time.D-A converter 123 is converted to analog voice signal to the audio digital signals of storage, and they are outputed to low-pass filter 131, unwanted high frequency waves signal beyond the audible speech region is provided from the analog voice signal that provides low-pass filter 131, the analog voice signal that filtering is passed through is delivered to amplifier 132, amplifier 132 receives the analog voice signal that filters, and amplify them, and by loudspeaker 133 outputs.

The chip of system controller 142 available microprocessors and so on, it is a digital signal processor, and the function of main element in the control system is arranged.

For example, an enter key job, this information process unit send a PCM (pulse-code modulation) signal to suitable element to cause action.Under the recovering information RST, 142 pairs of memory controllers 121 of system controller send the status enquiry order, and receive the audio digital signals with the compression of 16 bit format.At this moment, assign the position for the audio digital signals to compression, a definite address is deposited, and register is among system controller 142.

The byte information that system controller 142 is stored with document form from memory controller 121 receptions with the sequence of regulation by structure address calculator 143, in other words, the transmission of system controller 142 monitor datas, when D-A converter 123 is ready to, is the unit reading of data at certain position by byte, and they are transferred to demoder 122, demoder 122 be the unit reading of data by 28, with the method expansion of pulse-code modulation with export.So the signal of output is converted to simulating signal with D-A converter 123.D-A converter 123 output analog voice signals, and by the unnecessary noise of low-pass filter 131 removals, amplify by amplifier 132, export by loudspeaker 133 with the voice that can listen.System controller 142 comprises logical circuit, and when earphone insertion earphone jack, system controller detects it, stops loudspeaker 133 work.When medium is a high-speed internal memory, the connector of its available 68 pin PCMCIA and so on is linked reproduction block.

When storage medium was floppy disk, system control component 140 loads onto a Servocontrol device and relevant thing is controlled floppy disk, because relevant technology all be known to the public, more description is unnecessary.

Fig. 2 is block scheme, and it describes an alternative embodiment of the invention, and it is this situation of lteral data that this example has comprised what be stored in medium, and these are different with Fig. 1.At this moment the lteral data that provides may compress, and this is decided by the dissimilar of medium.

It is made of the medium and thereproduction block 220 of storage lteral data, and the numeric literal transformation of data that latter's handlebar is stored inmedium 212 is a voice functions.The storage of this medium by computer keyboard input with lteral data other printing.

Digitized speech data is different with reproducing, andreproduction block 220 comprises a TTS (literal is to language)device 222, to realize the transformation of numeric literal data to voice.

Because exceptTTS device 222, the structure of reproducing digital voice device is same as in figure 1, therefore relevant medium,interface link 210, the description ofoutput block 230 andcontrol assembly 240 has been omitted.

Fig. 3 is a block scheme, it is described the device that the present invention reproduces digital speech and how to link to each other with other external instruments, becauseinterface connector 211 links to each other with external instrument easily, it is contained in the device that reproduces digital speech, therefore can download essential data so that use.For example, by adopting the process of scanning printing word data, and it is changed into numeric literal, can use them with the form of numeric literal by optical character reader (OCR).At thismoment TTS device 222 of numeric literal data application changes voice into.

Also have,, can download the lteral data of out of Memory network service on the internet by transcriber by the personal terminal device is linked to each other with theinterface connector 211 that reproduces digital voice device.And if thenetwork equipment 315 that the internet links to each other with other database links to each other with theinterface connector 211 of device, all Word messages such as internet email (e-mail) can be downloaded and realize voice again.

The effect of invention

As described above, the present invention can be reproduced as the information that ear can be listened to numerical data, So that can reduce device size, weight and production cost, meanwhile even taking the traffic worker Can use easily information during tool. When especially riding public transportation means, this device unlike existing The e-book of rendering data on the visual monitor even unavoidably will stand to rock, also can Make vision avoid disturbing.

Claims (15)

1, a kind of apparatus for reproducing digital voice, it is characterized in that: it comprises:

A kind of data storage medium of storing numerical data;

A reproduction block, being used for reproducing the numerical data that is stored in described medium is speech data;

An output block, the voice signal that provides with the described reproduction block of the voice output that can listen;

The control assembly of an output signal is used for controlling described reproduction block and output block by customer requirements.

2, the device of reproduction digital speech according to claim 1 is characterized in that: the numerical data that is stored in the described medium is the compressed voice data.

3, the device of reproduction digital speech according to claim 2, it is characterized in that: reproduction block comprises:

A memory controller, it is used for reading the numerical data that is stored in described medium, and it obeys the control signal that described control assembly provides;

A demoder, the speech data that it amplifies and recover described control assembly provides arrives initial size;

(converter of number-Mo), the digital data conversion that it provides described demoder is to export after the simulating signal for D-A.

4, reproduction digital voice device according to claim 1, it is characterized in that: the numerical data in the medium is a lteral data, described recovery parts comprise a TTS (literal is to language) voice operation demonstrator, to realize the transformation of lteral data to voice signal.

5, reproduction digital voice device according to claim 4 is characterized in that: also include interface connector the data transmission that Other Instruments provides is arrived described medium.

6, reproduction digital voice device according to claim 5 is characterized in that: described interface connector is an infrared communication interface.

7, reproduction digital voice device according to claim 4 is characterized in that: described lteral data is by the lteral data of optical character reader from data-switching, and these data are converted to image by scanner in regular turn.

8, reproduction digital voice device according to claim 4 is characterized in that: described lteral data is by passing through as computer keyboard and input such as other input medias such as grade.

9, reproduction digital voice device according to claim 4, it is characterized in that: described lteral data is imported by network.

10, reproduction digital voice device according to claim 5, it is characterized in that: described lteral data is provided by personal communication terminal device, and it is connected with interface connector.

11, according to each described reproduction digital voice device among the claim 1-10, it is characterized in that: described control assembly includes:

An input block of adjusting signal, it has a plurality of adjustment keyed jointings to receive the input of controlling by customer requirements;

A system controller, it is used to discern the signal that is provided by the input block of adjusting signal, and the relevant control signal of output;

A structure address calculator, it provides the positional information of numerical data, to respond the control data from described system controller.

12, according to each described reproduction digital voice device among the claim 1-10, it is characterized in that: described output block includes:

A low-pass filter, it filters described D-A (high-frequency band signals in the simulated data that provides of converter of number-Mo), the only band signal by hearing people's ear is provided;

An amplifier, it receives the voice signal by described low-pass filter, and amplifies this signal;

A loudspeaker is used to export voice signal, and this signal changes the voice that can hear earlier into again through the amplification of described amplifier.

13, reproduction digital voice device according to claim 1, it is characterized in that: described medium is a semiconductor storage.

14, reproduction digital voice device according to claim 1, it is characterized in that: described medium is a CD.

15, reproduction digital voice device according to claim 14 is characterized in that: described control assembly also comprises the servocontrol parts that are used to drive described CD.

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