CN102857302A - Audio communication system and audio communication method - Google Patents
Audio communication system and audio communication method Download PDFInfo
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- CN102857302A CN102857302A CN 201110174781 CN201110174781A CN102857302A CN 102857302 A CN102857302 A CN 102857302A CN 201110174781 CN201110174781 CN 201110174781 CN 201110174781 A CN201110174781 A CN 201110174781A CN 102857302 A CN102857302 A CN 102857302A
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Abstract
The invention provides an audio communication system used for realizing digital communication between audio devices; the system comprises a sender and a receiver, wherein the sender comprises a digital-analog converter and an audio output unit, and the sender comprises an audio input unit and an analog-digital converter. The invention further provides an audio communication method. The audio communication system and the audio communication method provided by the invention can be used as a communication mode between computer devices, and the data communication between two devices can be realized without additional wiring through the existing audio peripherals of the computing devices as the standby channels of the two computing devices; and the audio communication system is easy to use, and has practicability and entertainment.
Description
[technical field]
The present invention relates to be applicable to utilize the audio frequency peripheral hardware to realize VOCA voice communications assembly and the audio communication method that communicates between the computer equipment.
[background technology]
Usually, the method for carrying out digital communication between two computer equipments has cable network, and such as Ethernet, the transmission of serial parallel data is such as USB or portable hard drive, wireless network, the usual ways such as bluetooth.But when general data transmission channel went wrong, then just there was the risk that becomes information island in computer equipment.[summary of the invention]
The object of the present invention is to provide a kind of audio communication system for subsequent use that addresses the above problem.
For achieving the above object, the invention provides a kind of audio communication system, be used for realizing digital communication between audio frequency apparatus, it is characterized in that, this system comprises transmit leg and recipient, and wherein transmit leg comprises:
The first digital signal processor;
Digital to analog converter in order to converting communication data to simulated audio signal by digital signal, and is sent to audio output unit with this simulated audio signal;
Audio output unit in order to receiving above-mentioned simulated audio signal, and sends this simulated audio signal.
Wherein the recipient comprises:
The audio frequency input unit in order to receiving above-mentioned simulated audio signal, and sends analog to digital converter to;
The second digital to analog converter in order to receiving above-mentioned simulated audio signal, and converts this simulated audio signal to digital signal.
The second digital signal processor.
It is especially, described that to convert communication data to simulated audio signal by digital signal be to adopt this coding (Morse code) that rubs.
Especially, described communication data comprises text, picture.
Especially, be to adopt communication between described transmit leg and the recipient.
Especially, described audio output unit is loud speaker.
Especially, described audio frequency input unit is microphone.
The present invention also provides a kind of audio communication method, is used for realizing digital communication between audio frequency apparatus, it is characterized in that, described communication means may further comprise the steps:
The first digital signal processor is provided;
One digital to analog converter is provided, converts communication data to simulated audio signal by digital signal, and this simulated audio signal is sent to audio output unit;
One audio output unit is provided, in order to receiving above-mentioned simulated audio signal, and sends this simulated audio signal.
One audio frequency input unit is provided, in order to receiving above-mentioned simulated audio signal, and sends analog to digital converter to;
One second digital to analog converter is provided, in order to receiving above-mentioned simulated audio signal, and converts this simulated audio signal to digital signal;
The second digital signal processor is provided.
It is especially, described that to convert communication data to simulated audio signal by digital signal be to adopt this coding (Morse code) that rubs.
Especially, described communication data comprises text, picture.
Especially, be to adopt communication between described audio output unit and the described audio frequency input unit.
Especially, described audio output unit is loud speaker.
Especially, described audio frequency input unit is microphone.
This shows, audio communication system provided by the invention and audio communication method, can be used as a kind of communication mode for subsequent use between the computer equipment, audio frequency peripheral hardware by existing computing equipment is as the alternate channel of two computational devices, just can realize the data communication of two equipment, do not need other wiring, easily use, have practicality and well recreational.
For purpose of the present invention, structural feature and function thereof are had further understanding, the below cooperates the drawings and specific embodiments for a more detailed description to the present invention.
[description of drawings]
Fig. 1 illustrates the audio communication system structure chart into preferred embodiment of the present invention.
Fig. 2 illustrates the audio communication method flow chart into preferred embodiment of the present invention.
[embodiment]
See also figure, Fig. 1 illustrates and is audio communication system structure chart provided by the invention, this audio communication system comprises transmit leg 11 and recipient 12, this transmit leg 11 and this recipient 12 can be the computer equipment with audio frequency peripheral hardware, and wherein transmit leg 11 comprises: the first digital signal processor 112; Digital to analog converter 113 in order to converting communication data to simulated audio signal by digital signal, and is sent to audio output unit 114 with this simulated audio signal; Audio output unit 114 in order to receiving above-mentioned simulated audio signal, and sends this simulated audio signal.Wherein recipient 12 comprises: audio frequency input unit 121 in order to receiving above-mentioned simulated audio signal, and sends analog to digital converter 122 to; Analog to digital converter 122 in order to receiving above-mentioned simulated audio signal, and converts this simulated audio signal to digital signal, the second digital signal processor 123.In the present embodiment, this digital to analog converter 113 is integrated in the sound card, this audio output apparatus 114 is loud speaker, and this audio input device 121 is a microphone.
General sound card comprises two master chips, be DSP(digital signal processor) i.e. the first digital signal processor 112 and CODEC(coding decoder, be the analog to digital converter in the present embodiment), wherein the first digital signal processor 112 is chips that use Digital Logical Circuits digital signal to be reprocessed processing.The first digital signal processor 112 is the same with CPU to have certain operational capability, is to be that audio frequency is processed service specially.It mainly is the job control that carries out whole voicefrequency circuit, and makes the calculation process of digital audio and video signals.CODEC is exactly coding decoder, mainly is to change into simulated audio signal for the digital audio and video signals that DSP is exported, and then simulated audio signal is inputted power amplifier, thereby promotes audio amplifier or earphone sounding; Perhaps the simulated audio signal with the sound card input changes into digital audio and video signals, allows DSP do digital processing.
In the transmit leg of the present embodiment, communication data waiting for transmission (comprises text, picture, image etc.) exists with digital signal form, by system bus (such as pci bus, the PCI-E bus, usb bus etc.) this communication data is sent to digital signal processor 112 in the sound card, digital signal processor 112 carries out calculation process to these signals and produces exportable digital signal, and it is analog-to-digital conversion module in the present embodiment that this digital signal outputs to CODEC(by circuit), CODEC decodes the digital signal that transmits, be converted into simulated audio signal, through a series of analog circuit, enter audio output unit 114, such as earphone, audio amplifier etc.
In the above-described embodiments, the Code And Decode of CODEC all adopts Morse code, and what is called not this code (Morse Code) is a kind of signal code of switch-on and-off, sees through different putting in order and expresses different English alphabets, number and punctuation mark.Morse code is a kind of number communication form of getting up early, but it is different from the modern binary code that only uses 0 and 1 two states, and its code comprises five kinds:
1. point (.)
2. draw (-)
3. and the pause between drawing
4. the short pause (at point with between drawing) of each intercharacter
5. medium pause between each word
6. long pause and between the sentence
This password that rubs the earliest is the digital point of some expressions and draws.Digital corresponding word needs to seek a code table and just can know the number that each word is corresponding.Can knock out point, draw and middle pause with a telegraph key.In general, anyly can call this password that rubs to written characters with the coded system that the signal of variable-length represents.But this term only is used for refering in particular to this password that rubs of two kinds of expression English letters and symbol now: American this password that rubs has been used at the wire telegram communication system; This password then use point and stroke (having removed pause) also rub in the world of using today.
In this embodiment, transmit leg adopts this coding that rubs, and audio output apparatus transmits simulated audio signal with the steady radio signals off and on of a kind of tone, the recipient, adopts opposite way to realize the decoding of this simulated audio signal.
Coded system just is used for explanation and realizes principle not as limit, also can adopt binary-coded decimal or PCM or other coded system.
See also Fig. 2, Fig. 2 illustrates the audio communication method flow chart into preferred embodiment of the present invention.The method may further comprise the steps:
(20) provide the first digital signal processor;
(21) provide a digital to analog converter, convert communication data to simulated audio signal by digital signal, and this simulated audio signal is sent to audio output unit;
(22) provide an audio output unit, in order to receiving above-mentioned simulated audio signal, and send this simulated audio signal
(23) provide an audio frequency input unit, in order to receiving above-mentioned simulated audio signal, and send analog to digital converter to;
(24) provide one second digital to analog converter, in order to receiving above-mentioned simulated audio signal, and convert this simulated audio signal to digital signal;
(25) provide the second digital signal processor.
Wherein, digital to analog converter be integrated in the sound card with functional module, this audio output apparatus is loud speaker, such as audio amplifier or earphone etc., this audio input device can be a microphone.
Communication data waiting for transmission (comprises text, picture, image etc.) exists with digital signal form, by system bus (such as pci bus, the PCI-E bus, usb bus etc.) communication data waiting for transmission is sent to the first digital signal processor 112 in the sound card, the first digital signal processor 112 carries out calculation process to these signals and produces exportable digital signal, this digital signal outputs to CODEC by circuit, and CODEC decodes the digital signal that transmits, and is converted into simulated audio signal, through a series of analog circuit, enter audio output unit, such as earphone, audio amplifier etc.
The recipient, audio frequency receiving element such as microphone are collected this simulated audio signal, enter CODEC through analog circuit, CODEC just is converted into digital signal to the simulated audio signal that transmits and outputs to i.e. the second digital signal processor 123 of DSP, send instruction by system, allow DSP that this digital signal is processed, thereby between audio frequency apparatus, realize digital communication.
In this embodiment, transmit leg adopts this coding that rubs, and audio output apparatus transmits simulated audio signal with the steady radio signals off and on of a kind of tone, the recipient, adopts opposite way to realize the decoding of this simulated audio signal.Because Morse code is above being described, therefore no longer repeat at this.
In sum, audio communication system provided by the invention and voice communication tool are as a kind of communication mode for subsequent use between the computer equipment, audio frequency peripheral hardware by existing computing equipment is as the alternate channel of two computational devices, just can realize the data communication of two equipment, owing to adopting communication, do not need other wiring, easily use, and because the frequency of sound is very low, not within the frequency range of radio control, therefore can not cause interference to radio wave, have practicality and well recreational, accomplish the end in view.
Above embodiment has only expressed one embodiment of the present invention; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to the protection range of patent of the present invention; should be noted that; for the person of ordinary skill of the art; without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to the protection range of patent of the present invention.Therefore the protection range of patent of the present invention should be as the criterion with claims.
Claims (12)
1. an audio communication system is used for realizing digital communication between audio frequency apparatus, and it is characterized in that, this system comprises transmit leg and recipient, and wherein transmit leg comprises:
The first digital signal processor;
Digital to analog converter in order to converting communication data to simulated audio signal by digital signal, and is sent to audio output unit with this simulated audio signal;
Audio output unit in order to receiving above-mentioned simulated audio signal, and sends this simulated audio signal.Wherein the recipient comprises:
The audio frequency input unit in order to receiving above-mentioned simulated audio signal, and sends analog to digital converter to;
Analog to digital converter in order to receiving above-mentioned simulated audio signal, and converts this simulated audio signal to digital signal;
The second digital signal processor.
2. as power 1 described audio communication system, it is characterized in that, described to convert communication data to simulated audio signal by digital signal be to adopt this coding (Morse code) that rubs.
3. such as power 1 described audio communication system, it is characterized in that, described communication data comprises text, picture.
4. such as power 1 described audio communication system, it is characterized in that, is to adopt communication between described transmit leg and the recipient.
5. such as power 1 described audio communication system, it is characterized in that, described audio output unit is loud speaker.
6. such as power 1 described audio communication system, it is characterized in that, described audio frequency input unit is microphone.
7. an audio communication method is used for realizing digital communication between audio frequency apparatus, and it is characterized in that, described communication means may further comprise the steps:
One digital to analog converter is provided, converts communication data to simulated audio signal by digital signal, and this simulated audio signal is sent to audio output unit;
One audio output unit is provided, in order to receiving above-mentioned simulated audio signal, and sends this simulated audio signal;
One audio frequency input unit is provided, in order to receiving above-mentioned simulated audio signal, and sends analog to digital converter to;
One second digital to analog converter is provided, in order to receiving above-mentioned simulated audio signal, and converts this simulated audio signal to digital signal.
8. as power 7 described audio communication methods, it is characterized in that, described to convert communication data to simulated audio signal by digital signal be to adopt this coding (Morse code) that rubs.
9. such as power 7 described audio communication methods, it is characterized in that, described communication data comprises text, picture.
10. such as power 7 described audio communication methods, it is characterized in that, is to adopt communication between described audio output unit and the described audio frequency input unit.
11. such as power 7 described audio communication methods, it is characterized in that, described audio output unit is loud speaker.
12. such as power 7 described audio communication methods, it is characterized in that, described audio frequency input unit is microphone.
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| CN 201110174781 CN102857302A (en) | 2011-06-27 | 2011-06-27 | Audio communication system and audio communication method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092501A (en) * | 2013-04-19 | 2014-10-08 | 腾讯科技（深圳）有限公司 | Numerical value processing method, device and system applied to acoustic wave communication scene |
| CN105657592A (en) * | 2014-11-10 | 2016-06-08 | 北京握奇智能科技有限公司 | Audio communication method and device |
-
2011
- 2011-06-27 CN CN 201110174781 patent/CN102857302A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092501A (en) * | 2013-04-19 | 2014-10-08 | 腾讯科技（深圳）有限公司 | Numerical value processing method, device and system applied to acoustic wave communication scene |
| US10043522B2 (en) | 2013-04-19 | 2018-08-07 | Tencent Technology (Shenzhen) Company Limited | Method, apparatus, and system for processing numerical value in sending message using sound waves |
| CN105657592A (en) * | 2014-11-10 | 2016-06-08 | 北京握奇智能科技有限公司 | Audio communication method and device |
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