CN101308602B - Bluetooth sound control television implementing method - Google Patents
Bluetooth sound control television implementing method Download PDFInfo
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- CN101308602B CN101308602B CN2008100667306A CN200810066730A CN101308602B CN 101308602 B CN101308602 B CN 101308602B CN 2008100667306 A CN2008100667306 A CN 2008100667306A CN 200810066730 A CN200810066730 A CN 200810066730A CN 101308602 B CN101308602 B CN 101308602B
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Abstract
The invention discloses a Bluetooth sound control television system, comprising a Bluetooth terminal and a TV set terminal; wherein, the Bluetooth terminal is connected with a microphone through an analog-to-digital converter A/D; the TV set terminal comprises a Bluetooth module, a speech recognition and processing system connected with the Bluetooth module, and a CPU control circuit connected with the speech recognition and processing system. The Bluetooth module of the TV set terminal receives the information sent by the Bluetooth terminal and transmits the information to the speech recognition and processing system; the speech recognition and processing system processes the information and sends instructions to a CPU controller which then executes corresponding operation control to achieve television sound control effect; the system is easy to operate and control, and is intelligent and humanized.
Description
[technical field]
The present invention relates to technical field of television sets, particularly a kind of implementation method of Bluetooth sound control television.
[background technology]
Bluetooth technology can be carried out the exchange of wireless messages as a kind of radiotelegraphy of support equipment short haul connection between numerous equipment such as mobile phone, PDA, wireless headset, notebook computer, relevant peripheral hardware.Bluetooth technology has numerous advantages: its support voice and data transmission; Adopt radiotelegraphy, transmission range is big, penetrable different material and spreading between material; Adopt Frequency Hopping Spread Spectrum, strong interference immunity is difficult for eavesdropping; Use is at the unrestricted frequency spectrum in each national capital, and cost is low, and is low in energy consumption.At present, Bluetooth technology is as the open global specifications of a kind of short-distance wireless data and voice audio signals transmission, uses and ripe day by day, and particularly at network, external unit and communication etc. all is widely used.Yet it in the traditional tv industry, generally all is to operate the control televisor by telepilot (adopting the infrared signal of different frequency range and coding) at present in the utilization of field of television seldom; There are numerous shortcomings in infrared technique, and for example: communication distance is short, can not move in the communication process, meets the barrier communicating interrupt, and significant limitation is arranged, and it adopts point-to-point wireless data transmission, function singleness, and extendability is poor.Along with the fast development of Smart Home, individual and family life level improve, and Bluetooth technology is applied to technical field of television sets, develop the Bluetooth sound control television system of a kind of intellectuality and easy and hommization, will be the trend of technical field of television sets development.
[summary of the invention]
For addressing the above problem, fundamental purpose of the present invention is to provide a kind of and is convenient to operation control, and Bluetooth sound control television system and implementation method intelligent, hommization.
For achieving the above object, technical scheme of the present invention is:
A kind of Bluetooth sound control television system includes Bluetooth terminal and TV set terminal.Wherein, described Bluetooth terminal is connected with microphone by modulus converter A/D; The cpu control circuit that described TV set terminal includes bluetooth module, the speech recognition processing system that is connected with bluetooth module and connects speech recognition processing system.
Further, described speech recognition processing system includes digital signal processor DSP, reaches the RSIC processor that is connected with digital signal processor DSP.
A kind of implementation method of Bluetooth sound control television comprises the steps:
The voice messaging that microphone collects transfers to Bluetooth terminal after changing through analog to digital converter, by Bluetooth terminal this letter information is sent;
The bluetooth module of TV set terminal receives the information that Bluetooth terminal sends, and transfers to speech recognition processing system, is handled by speech recognition processing system;
Speech recognition processing system is handled the back and is sent instruction to cpu controller, operates control accordingly by cpu controller.
Compared to prior art, the TV set terminal bluetooth module of Bluetooth sound control television system of the present invention receives the information that Bluetooth terminal sends, and transfer to speech recognition processing system, handle by speech recognition processing system, and, operate control accordingly, thereby realize the effect of acoustic control TV by cpu controller to cpu controller transmission instruction, be convenient to operation control, and intelligent, hommization.
[description of drawings]
Fig. 1 is a sound control television system theory diagram of the present invention.
Fig. 2 is the speech recognition processing system treatment scheme diagram of sound control television system of the present invention.
[embodiment]
See also shown in Figure 1ly, a kind of Bluetooth sound control television system of the present invention includes Bluetooth terminal and TV set terminal.Wherein, described Bluetooth terminal is connected with microphone (MIC) by modulus converter A/D, and the voice messaging that microphone collects transfers to Bluetooth terminal after changing through analog to digital converter, by Bluetooth terminal this information is sent; Described TV set terminal includes bluetooth module, speech recognition processing system and cpu control circuit, bluetooth module receives the information that Bluetooth terminal sends out, and transfer to speech recognition processing system, handle by speech recognition processing system, speech recognition processing system is handled the back and is sent instruction to cpu controller, operates control accordingly by cpu controller.Described speech recognition processing system includes digital signal processor DSP and RSIC processor.Described Bluetooth terminal is the equipment with Bluetooth protocol, as: blue Tooth remote controller, bluetooth microphone etc.
The digital data input/output end port of bluetooth module connects one group of serial data input/output end port of dsp processor; The audio input port of bluetooth module connects the audio output port of televisor main circuit; And the audio output port of bluetooth module connects the audio input port of televisor main circuit.Bluetooth terminal is with the packet data package of synchronous joint face to TV set terminal transmission voice messaging, and the bluetooth module of described TV set terminal directly transmits information with asynchronous towards the RSIC processor.Described digital signal dsp processor kernel has hardware accelerator and dynamic process function based on the two 48-bit totalizer engines of band, can reduce the needed instruction cycles of given audio algorithm; Described RSIC processor comprises 32 general purpose register set, addressable memory can be expanded.Dsp processor and RISC double-core are parallel, and be efficient in conjunction with providing high-quality speech identification required powerful reliable processing demands, will draw voice identification result and directly deliver to cpu control circuit, thereby reach the acoustic control effect.
Figure 2 shows that the speech recognition processing system treatment scheme, speech recognition processing system receives the digital voice data bag that bluetooth module transmits and has various noises.Dsp processor carries out pre-service to digital signal earlier, and promptly the dsp processor chip is to audio digital signals filtering, sampling and quantification, windowing, end-point detection, pre-emphasis etc.
After dsp processor carries out pre-service to digital signal, begin to carry out the feature sampling, promptly extract characteristic parameter.Dsp processor is projected in the voice data of input in the fixed interval, thus though make the data point numerical value size of input all can equal proportion ground to this spatial mappings.On the one hand the voice data maximal value of acquisition and original peak value are compared, if there is new peak value new gain coefficient to occur just calculating; On the other hand, obtain a new peak value in cycle regular hour, this peak value just has the detection performance, can compare with former peak value again, and calculating new gain coefficient then is characteristic parameter.This characteristic parameter is metastable, and when volume strengthened, signal peak can increase automatically, thereby gain coefficient descends automatically; When volume down hour, new peak value can reduce and replace original peak value, thereby peak value is descended, and gain coefficient is risen.On behalf of phonetic feature, this parameter to guarantee the extract real-time of speech recognition, have good discrimination effectively through highly effective algorithm, and good independence is arranged between parameter.
The RISC/DSP processor comes working procedure by a single instruction flow performance element, special card parameter extraction is after expansion of risc microcontroller makes collection take out in single-minded Instructions Cache, in one-period, finish decoding, promptly the spy is demonstrate,proved parameter and carry out excellent screening.Wherein RISC instructs and the DSP executing instructions, the operations such as calculating of fetch operand and instruction in the register separately can be finished in RISC unit and DSP unit in one-period, and return results to the corresponding target register, Data Loading and multiplying be executed in parallel in circulation, the instruction flow of each two unit of self-optimizing makes instruction execution speed improve greatly to guarantee instructing pipeline unimpeded simultaneously; In addition, set up a model, save as the register template for each entry.Key message in identification carries out matching and decoding with the recognition network that makes up by acoustic model, promptly carry out the unspecified person speech recognition stage, voice signal obtains speech characteristic parameter through identical passage, generate test template, mate with reference template, the reference template that the coupling mark is the highest improves the accuracy rate of identification as recognition result.
The voice identification result of speech recognition processing system is directly delivered to cpu control circuit, carries out corresponding operation by cpu control circuit.Wherein, if can accurately discern, then carry out respective operations through cpu control circuit; And when can not discerning, then point out through the cpu control circuit output language.
Most preferred embodiment described above only is that the present invention is set forth and illustrates, but is not limited to disclosed any concrete form, and it is possible carrying out many modifications and variations.
Claims (2)
1. the implementation method of a Bluetooth sound control television is characterized in that, comprises the steps:
The voice messaging that microphone collects transfers to Bluetooth terminal after changing through analog to digital converter, by Bluetooth terminal this information is sent;
The bluetooth module of TV set terminal receives the information that Bluetooth terminal sends, and transfer to speech recognition processing system, handle by speech recognition processing system, the RISC/DSP processor of speech recognition processing system comes working procedure by a single instruction flow performance element, wherein RISC instruction and DSP executing instructions;
The voice identification result of speech recognition processing system is directly delivered to cpu control circuit, carries out corresponding operation by cpu control circuit, wherein, if can accurately discern, then carries out respective operations through cpu control circuit; And when can not discerning, then point out through the cpu control circuit output language.
2. the implementation method of Bluetooth sound control television as claimed in claim 1, it is characterized in that: described Bluetooth terminal is with the packet data package of synchronous joint face to TV set terminal transmission voice messaging, and the bluetooth module of described TV set terminal directly transmits information with asynchronous towards the RSIC processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100667306A CN101308602B (en) | 2008-04-16 | 2008-04-16 | Bluetooth sound control television implementing method |
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| CN2008100667306A CN101308602B (en) | 2008-04-16 | 2008-04-16 | Bluetooth sound control television implementing method |
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| CN101308602B true CN101308602B (en) | 2010-06-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820032B (en) * | 2012-08-15 | 2014-08-13 | 歌尔声学股份有限公司 | Speech recognition system and method |
| CN103841252A (en) * | 2012-11-22 | 2014-06-04 | 腾讯科技（深圳）有限公司 | Sound signal processing method, intelligent terminal and system |
| CN107579883A (en) * | 2017-08-25 | 2018-01-12 | 上海肖克利信息科技股份有限公司 | Distributed pickup intelligent home furnishing control method |
| CN107871507A (en) * | 2017-12-26 | 2018-04-03 | 安徽声讯信息技术有限公司 | A kind of Voice command PPT page turning methods and system |
| CN108769970A (en) * | 2018-07-03 | 2018-11-06 | 安徽声讯信息技术有限公司 | A kind of blue tooth transmission system of voice PPT page turners |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764248A (en) * | 2004-10-22 | 2006-04-26 | 夏新电子股份有限公司 | Digital TV set with blue tooth communication function |
| CN1805570A (en) * | 2005-01-12 | 2006-07-19 | 乐金电子(中国)研究开发中心有限公司 | Mobile telephone based television remote controller |
| CN1885930A (en) * | 2005-06-25 | 2006-12-27 | 陈修志 | Acoustic control TV set, remote controller and TV set remote controlling method |
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- 2008-04-16 CN CN2008100667306A patent/CN101308602B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764248A (en) * | 2004-10-22 | 2006-04-26 | 夏新电子股份有限公司 | Digital TV set with blue tooth communication function |
| CN1805570A (en) * | 2005-01-12 | 2006-07-19 | 乐金电子(中国)研究开发中心有限公司 | Mobile telephone based television remote controller |
| CN1885930A (en) * | 2005-06-25 | 2006-12-27 | 陈修志 | Acoustic control TV set, remote controller and TV set remote controlling method |
Non-Patent Citations (2)
| Title |
|---|
| 杜显丰,苏宛新.双内核嵌入式处理器OMAP5910及其在第三代无线终端领域的多媒体应用.国外电子元器件 12.2004,(12),52-55. |
| 杜显丰,苏宛新.双内核嵌入式处理器OMAP5910及其在第三代无线终端领域的多媒体应用.国外电子元器件 12.2004,(12),52-55. * |
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