CN1949756A - System and method for man-machine communication based on speech - Google Patents

System and method for man-machine communication based on speech Download PDF

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Publication number
CN1949756A
CN1949756A CNA2006100624960A CN200610062496A CN1949756A CN 1949756 A CN1949756 A CN 1949756A CN A2006100624960 A CNA2006100624960 A CN A2006100624960A CN 200610062496 A CN200610062496 A CN 200610062496A CN 1949756 A CN1949756 A CN 1949756A
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China
Prior art keywords
voice
top box
signal
user
speech
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CNA2006100624960A
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Chinese (zh)
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陈潇潇
马剑飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CNA2006100624960A priority Critical patent/CN1949756A/en
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Abstract

The invention discloses a voice-based man-machine communication system and method. And the system comprises STB, service server and remote control device, where the STB comprises voice signal processing device to collect and process user sent voice signal; the service server comprises voice recognizing device to receive and recognize client end sent voice signal; the STB processes the voice sent by the remote control device and then sends the processed voice to the voice recognizing device, the voice recognizing device sends operating instruction to the STB according to the STB sent voice signal request, the STB receives the operating instruction and then analyzes wheter it is an legal operation: if not, not executing it and displaying voice operation failure prompt on TV set screen; and for legal operation, according to the instruction, executing normal service flow to implement user's operation.

Description

The voice-based man-machine communication system and method
Technical field
The present invention relates to the communications field, relate in particular to a kind of voice-based man-machine communication system and method.
Background technology
The maturation of nearly 2 years broadbands and information technology and popularizing has been paved road for IPTV technology and development, adds government the issuing of the developing direction in information industry field, IPTV licence plate, and makes the novel interaction of multimedia information platform of this piece of IPTV obtain fast development.Set-top box (as IP set-top box, top box of digital machine) progressively the marketization trend under, the function of set-top box will progressively replace traditional VCD machine, DVD player.The target customer of IPTV is an ordinary populace, and every family that television set is arranged even be ignorant of the knowledge of relevant computer and network, also can insert the Internet by adding a set-top box.Therefore, easy and simple to handle is that can it obtain the key that large tracts of land is promoted.
On the other hand, present stage, speech recognition still is that efficient is all very ripe from accuracy of identification, and at household electrical appliances, toy, Industry Control, also have part communication information field to come into operation and popularize, the speech recognition library that satisfies the every field needs is also complete day by day.Under this technology and market prerequisite, speech recognition technology is introduced IPTV, the simple and easy friendly of voice operating is combined with IPTV, further widening application, introduce C/S speech analysis recognition mode, this will have very big technical feasibility and market prospects.
The operation of present stage IPTV mainly is limited to the button on remote controller and the fuselage, and some suitable complicated operations need a series of button to finish.The user uses set-top box to realize web page browsing, video request program, amusement (as recreation, audition program request etc.), live telecast etc. on TV, still needs by traditional mode, promptly uses remote controller constantly to switch.This mode is brought great inconvenience to the user, especially video request program, and in the situation of a certain collection of certain serial of program request, the user need use a teleswitch and select layer by layer, accumulates the action of a large amount of manipulation remote controllers.Therefore, a kind of not only simple to operate but also be not subjected to spatial limitation to realize that mode of operation easily becomes a demand of IPTV technology extensive use.In the middle of life, the most easy the most direct interchange is a communication between the people, also is the same to network and information, and people need a kind of network world of hommization more, so speech recognition technology is an inevitable development trend with combining of IPTV.
In a kind of speech recognition schemes of housed device of prior art, the voice-based man-machine communication system comprises a plurality of controllable devices with speech-sound synthesizing function, each described equipment has its exclusive acoustic pattern, each equipment connects so that central-processor organization is handled all requests from the user by bus, because the user uses its natural language, order can cause ambiguity, and therefore an algorithm that is used to handle the ambiguity situation is provided.
But, people in the speech recognition schemes of this housed device-machine communication system relates to a plurality of housed devices, the networking mode complexity, each system needs a bus system, a central-processor organization and at least one speech recognition equipment, system group network is comparatively complicated, the increase that must bring cost.
Another kind of prior art provides a kind of remote control with speech identifying function, this remote control with voice identification function comprises reflector and receiver, and receiver comprises RF radio-frequency (RF) receiving circuit, demodulating equipment, phonetic entry control device, A/D switching signal control unit, buffering area, memory, speech recognition processing unit, instruction nuclear seal apparatus, output-controlling device.When receiver receives the signal that is transmitted by reflector, at first this signal and the stored original signal in memory of process voice training pattern are carried out the speech recognition contrast, and whether identification is specific user, identification meets just to be checked device by instruction and checks the instruction that receives, with by the corresponding control signal of the described instruction of output-controlling device output.
But this remote control is relatively more expensive, and this remote control and unconventional remote controller, and the user expects reaching skilled operation must be through the training of specialty, and this has certain restriction for the object that uses, and possibly can't accept this mode as auld user.
Summary of the invention
Be difficult to operate the defective higher for solving prior art voice-based man-machine communication system and method, the invention provides the voice-based man-machine communication system and method for the lower and easy operating of a kind of cost with cost.
A kind of technical scheme of technical solution problem of the present invention is, a kind of voice-based man-machine communication system is provided, and comprises set-top box, service server and remote control, wherein,
This set-top box also comprises speech signal processing device, is used for gathering the voice signal that sends with process user;
This service server end also comprises speech recognition equipment, is used for receiving the voice signal that sends with identify customer end;
After handling, the phonetic order that set-top box is sent remote control sends to the speech recognition equipment of service server end, the voice signal request that speech recognition equipment sends according to set-top box, issue operational order and give the set-top box of the request of initiation, set-top box is after receiving the operational order of server, whether analyze is legal operation, if this operation is illegal, set-top box is not carried out this instruction, and in the prompting of the enterprising lang sound of video screen operation failure; For legal operation, set-top box is carried out normal set-top box operation flow according to instruction, realizes user's operation.
As a kind of improvement of described system, described speech signal processing device comprises the speech signal collection device.
As a kind of improvement of described system, described speech signal collection device is microphone or microphone.
As a kind of improvement of described system, described speech signal processing device also comprises the sound receiver of the voice signal that is used for receiving user's input.
As a kind of improvement of described system, described remote control comprises the switch module of control voice input signal switch.
As a kind of improvement of described system, described switch module is by the coding of remote inside or hard-wired " speech lock " button.
As a kind of improvement of described system, described remote control also comprises the sound receiver of the voice signal that is used for receiving user's input.
A kind of technical scheme of technical solution problem of the present invention is, a kind of voice-based man-machine communication method is provided, and comprising:
A. speech signal processing device is collected the phonetic order that the user sends, and this phonetic order is sent to service server;
B. after service server is handled described phonetic order, issue operational order and carry out associative operation to set-top box.
As a kind of improvement of described method, the step of the phonetic order that speech signal processing device collection user sends in the described steps A is: speech signal processing device is collected the user's voice instruction by the speech signal collection device.
As a kind of improvement of described method, described speech signal collection device is microphone or microphone.
As a kind of improvement of described method, the step of the phonetic order that described speech signal processing device collection user sends receives user speech instruction input via set-top box and finishes.
As a kind of improvement of described method, in the described steps A, after set-top box receives the voice signal that sound collecting equipment sends over, it is analyzed, eliminate useless interference signal, extract effective voice signal.
As a kind of improvement of described method, further comprising the steps of: set-top box is carried out analog-to-digital conversion to the acoustic signals after extracting, the sound wave digital signal after obtaining filtering, and carry out signal and amplify.
As a kind of improvement of described method, also comprise sound identification module at the service server end of set-top box, be used for receiving the voice signal that sends with identify customer end.
As a kind of improvement of described method, steps A also comprises: the voice digital signal after set-top box will be changed is with the form of message, by the Network Transmission end of uploading onto the server.
A kind of improvement as described method, steps A also comprises: the voice digital signal that the sound identification module analysis of server end receives, by with the voice messaging storehouse in voice signal mate, convert thereof into user's operational order that corresponding set-top box can directly be carried out.
A kind of improvement as described method, also comprise after step B finishes: set-top box is after receiving the operational order of server, and whether analyze is legal operation, if this operation is illegal, set-top box STB does not carry out this instruction, and in the prompting of the enterprising lang sound of video screen operation failure.
Technical solution of the present invention makes the user when carrying out service selection, need only send voice command to set-top box STB, thereby effectively reduces the complexity that the user handles STB.In addition, to the control of set-top box STB business realizing voice, can increase the attraction of set-top box STB.
Because speech recognition device is provided in server end, has only increased a sound receiver and sound collecting equipment at client hardware, Signal Processing can realize that all the cost of set-top box STB can't increase considerably by software.
Description of drawings
Fig. 1 is for having many cover switching nodes and many cover bus schematic diagrames in the equipment of prior art.
But Fig. 2 is the unification bus structures schematic diagram of the present invention's flexible configuration capacity.
But Fig. 3 is the configuration schematic diagram of the unification bus of the present invention's flexible configuration capacity.
Embodiment
The present invention adopts speech recognition technology and IPTV technology to combine, and simplifies the mode that the user handles STB.
Seeing also Fig. 1, is the organization chart of voice-based man-machine communication of the present invention system.
Top box of digital machine generally includes four big subsystems, i.e. control subsystem, signal processing subsystem, network interface subsystem, user's expansion interface subsystem.
Control subsystem: control system or systematic microprocessor are the cores of top box of digital machine, and it is made up of CPU, ROM, RAM.Microprocessor through bus is organized each several part harmoniously, except that the initialization of being responsible for each subsystem, also must control the co-ordination of each several part, realizes the allomeric function of top box of digital machine jointly.
Signal processing subsystem: form by monolithic or multi-disc special chip.Wherein, digital tuner receives from the next digital signal of antenna, ground or cable television network, and receives instruction from control system, announces type, bandwidth, demodulation mode and the decoded information of relevant transport layer.Carry out channel demodulation then, video data stream after the demodulation and audio data stream are delivered to MPEG-2 decoder and MPEG-4 decoder.
Network interface subsystem: be used for realizing and the full-duplex communication of video server,, adopt corresponding interface at different Access Networks.
User interface and expansion interface subsystem: communicate with peripheral hardwares such as Infrared remote controller, panel, game consoles, in addition, along with the implementation gradually of pay TV, deciphering card and smart card will become requisite part in the top box of digital machine.
In fact, a complete top box of digital machine is made up of hardware platform and software systems.Bottom software provides operating system nucleus and various hardware drive program; Middleware is separated application software and the bottom software that depends on hardware platform, makes to use not rely on concrete hardware platform; Application software comprises the application and the Downloadable application program of this machine storage, realizes the various functions of set-top box by application program.
Voice-based man-machine communication of the present invention system comprise set-top box STB and with the supporting traditional type remote controller of this set-top box.Set-top box wherein of the present invention as shown in Figure 2.
This set-top box comprises that also the sound collecting equipment of a voice signal that is used for importing the user and one are used for receiving the sound receiver of the voice signal of user's input.Comprise " speech lock " button (figure does not show) that is used for controlling the Push And Release of phonetic function with the supporting traditional type remote controller of STB.Described sound collecting equipment can adopt microphone or microphone to realize.Should can realize by the coding or the hardware of remote controller inside by " speech lock " button.
When " speech lock " when being closed, forbid opening the speech identifying function of set-top box STB; And work as " speech lock " when being unlocked, and the input of traditional remote controller starts simultaneously with speech voice input function, and sound collecting equipment is just as the media of user input voice order.
Seeing also Fig. 3, is set-top box STB voice operating realization flow figure of the present invention.The implementation method of system of the present invention mainly comprises:
After set-top box STB receives the voice signal that sound collecting equipment sends over, it is analyzed, eliminate useless interference signal, extract effective acoustic signals;
Then, set-top box STB carries out analog-to-digital conversion to the acoustic signals after extracting, the sound wave digital signal after obtaining filtering, and carry out signal and amplify, for next step signal transmission is prepared;
Service server end at set-top box STB is equipped with a sound identification module, is used for receiving the voice signal that sends with identify customer end;
Voice digital signal after set-top box STB will change uploads to and is equipped with the server end of sound identification module with the form of message by Network Transmission;
The voice digital signal that the sound identification module analysis of server end receives, by with the voice messaging storehouse in voice signal mate, convert thereof into user's operational order that corresponding set-top box STB can directly carry out;
Controller in the sound identification module is issued to the set-top box STB terminal of voice request with the form of user's operational order with message by Network Transmission;
Set-top box STB is after receiving the operational order of server, and whether analyze is legal operation, if this operation is illegal, set-top box STB does not carry out this instruction, and in the prompting of the enterprising lang sound of video screen operation failure;
For legal operation, set-top box STB carries out normal set-top box STB operation flow according to instruction, realizes user's operation.
As a kind of replacement to above-mentioned execution mode, also can not be equipped with sound receiver in set-top box STB inside, " speech lock " button on the remote controller also can be set up, but in the accessory of set-top box STB, increase a sonicated device, this sonicated device both can receive acoustic signals, also can handle acoustic signals.The user correspondingly changes into directly in the approach of input speech signal the sonicated device is sent voice command, when the sonicated device receives acoustic signals, it is disturbed processing, analog-to-digital conversion, to catch server on the final digital signal by set-top box again, carry out analyzing and processing by server.
Replace as another kind, be not equipped with sound receiver in set-top box inside, but on remote controller, be equipped with sound receiver above-mentioned execution mode.Can control the Kai Heguan of phonetic function this moment by " speech lock " key on the remote controller.
As another replacement to above-mentioned execution mode, when set-top box is received voice signal, client not to signal to any processing, directly acoustic signals is sent to server, but all working that will eliminate sound interference and conversion of signals, speech recognition is transferred to server and is handled.
As another replacement, for set-top box is provided with a private server that speech recognition only is provided, issues phonetic order, make it independent mutually with the set-top box service server at far-end to above-mentioned execution mode.
Technical solution of the present invention makes the user when carrying out service selection, need only send voice command to set-top box STB, thereby effectively reduces the complexity that the user handles STB.In addition, to the control of set-top box STB business realizing voice, can increase the attraction of set-top box STB.
Because speech recognition device is provided in server end, has only increased a sound receiver and sound collecting equipment at client hardware, Signal Processing can realize that all the cost of set-top box STB can't increase considerably by software.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (17)

1. a voice-based man-machine communication system comprises set-top box, service server and remote control, it is characterized in that,
This set-top box also comprises speech signal processing device, is used for gathering the voice signal that sends with process user;
This service server end also comprises speech recognition equipment, is used for receiving the voice signal that sends with identify customer end;
After handling, the phonetic order that set-top box is sent remote control sends to the speech recognition equipment of service server end, the voice signal request that speech recognition equipment sends according to set-top box, issue operational order and give the set-top box of the request of initiation, set-top box is after receiving the operational order of server, whether analyze is legal operation, if this operation is illegal, set-top box is not carried out this instruction, and in the prompting of the enterprising lang sound of video screen operation failure; For legal operation, set-top box is carried out normal set-top box operation flow according to instruction, realizes user's operation.
2. voice-based man-machine communication according to claim 1 system is characterized in that described speech signal processing device comprises the speech signal collection device.
3. voice-based man-machine communication according to claim 2 system is characterized in that described speech signal collection device is microphone or microphone.
4. voice-based man-machine communication according to claim 2 system is characterized in that, described speech signal processing device also comprises the sound receiver of the voice signal that is used for receiving user's input.
5. voice-based man-machine communication according to claim 1 system is characterized in that, described remote control comprises the switch module of control voice input signal switch.
6. voice-based man-machine communication according to claim 5 system is characterized in that described switch module is by the coding of remote inside or hard-wired " speech lock " button.
7. voice-based man-machine communication according to claim 5 system is characterized in that, described remote control also comprises the sound receiver of the voice signal that is used for receiving user's input.
8. voice-based man-machine communication method comprises:
A. speech signal processing device is collected the phonetic order that the user sends, and this phonetic order is sent to service server;
B. after service server is handled described phonetic order, issue operational order and carry out associative operation to set-top box.
9. method according to claim 8 is characterized in that, the step of the phonetic order that speech signal processing device collection user sends in the described steps A is: speech signal processing device is collected the user's voice instruction by the speech signal collection device.
10. method according to claim 9 is characterized in that, described speech signal collection device is microphone or microphone.
11. method according to claim 8 is characterized in that, the step of the phonetic order that described speech signal processing device collection user sends receives user speech instruction input via set-top box and finishes.
12. method according to claim 11 is characterized in that, in the described steps A, after set-top box receives the voice signal that sound collecting equipment sends over, it is analyzed, and eliminates useless interference signal, extracts effective voice signal.
13. method according to claim 11 is characterized in that, and is further comprising the steps of: set-top box is carried out analog-to-digital conversion to the acoustic signals after extracting, the sound wave digital signal after obtaining filtering, and carry out signal and amplify.
14. method according to claim 11 is characterized in that, also comprises sound identification module at the service server end of set-top box, is used for receiving the voice signal that sends with identify customer end.
15. method according to claim 14 is characterized in that, steps A also comprises: the voice digital signal after set-top box will be changed is with the form of message, by the Network Transmission end of uploading onto the server.
16. method according to claim 14, it is characterized in that, steps A also comprises: the voice digital signal that the sound identification module analysis of server end receives, by with the voice messaging storehouse in voice signal mate, convert thereof into user's operational order that corresponding set-top box can directly be carried out.
17. method according to claim 8, it is characterized in that, also comprise after step B finishes: set-top box is after receiving the operational order of server, whether analyze is legal operation, if this operation is illegal, set-top box STB does not carry out this instruction, and in the prompting of the enterprising lang sound of video screen operation failure.
CNA2006100624960A 2006-09-06 2006-09-06 System and method for man-machine communication based on speech Pending CN1949756A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893993A (en) * 2010-07-15 2010-11-24 杭州华银视讯科技有限公司 Electronic whiteboard system and voice processing method thereof
CN101938391A (en) * 2010-08-31 2011-01-05 中山大学 Voice processing method, system, remote controller, set-top box and cloud server
CN101938610A (en) * 2010-09-27 2011-01-05 冠捷显示科技(厦门)有限公司 Novel voiceprint recognition-based television device
CN103377652A (en) * 2012-04-25 2013-10-30 上海智臻网络科技有限公司 Method, device and equipment for carrying out voice recognition
CN103491411A (en) * 2013-09-26 2014-01-01 深圳Tcl新技术有限公司 Method and device based on language recommending channels
CN104616654A (en) * 2014-10-13 2015-05-13 深圳中电数码显示有限公司 Multimedia all-in-one machine and method for realizing its voice control
CN104699676A (en) * 2013-12-04 2015-06-10 中国电信股份有限公司 Information searching method and system based on voice recognition
CN105388772A (en) * 2015-12-04 2016-03-09 重庆财信合同能源管理有限公司 Indoor intelligent control system and method based on voice recognition
CN107197348A (en) * 2012-06-29 2017-09-22 三星电子株式会社 Display device, electronic equipment, interactive system and its control method
CN112289318A (en) * 2020-12-30 2021-01-29 成都启英泰伦科技有限公司 Voice remote control method and device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893993B (en) * 2010-07-15 2012-05-23 杭州华银视讯科技有限公司 Electronic whiteboard system and voice processing method thereof
CN101893993A (en) * 2010-07-15 2010-11-24 杭州华银视讯科技有限公司 Electronic whiteboard system and voice processing method thereof
CN101938391A (en) * 2010-08-31 2011-01-05 中山大学 Voice processing method, system, remote controller, set-top box and cloud server
CN101938610A (en) * 2010-09-27 2011-01-05 冠捷显示科技(厦门)有限公司 Novel voiceprint recognition-based television device
CN103377652A (en) * 2012-04-25 2013-10-30 上海智臻网络科技有限公司 Method, device and equipment for carrying out voice recognition
CN103377652B (en) * 2012-04-25 2016-04-13 上海智臻智能网络科技股份有限公司 A kind of method, device and equipment for carrying out speech recognition
CN107197348A (en) * 2012-06-29 2017-09-22 三星电子株式会社 Display device, electronic equipment, interactive system and its control method
USRE49493E1 (en) 2012-06-29 2023-04-11 Samsung Electronics Co., Ltd. Display apparatus, electronic device, interactive system, and controlling methods thereof
USRE48423E1 (en) 2012-06-29 2021-02-02 Samsung Electronics Co., Ltd. Display apparatus, electronic device, interactive system, and controlling methods thereof
CN103491411A (en) * 2013-09-26 2014-01-01 深圳Tcl新技术有限公司 Method and device based on language recommending channels
CN104699676B (en) * 2013-12-04 2019-03-26 中国电信股份有限公司 Information search method and system based on speech recognition
CN104699676A (en) * 2013-12-04 2015-06-10 中国电信股份有限公司 Information searching method and system based on voice recognition
CN104616654A (en) * 2014-10-13 2015-05-13 深圳中电数码显示有限公司 Multimedia all-in-one machine and method for realizing its voice control
CN105388772B (en) * 2015-12-04 2019-02-15 重庆财信合同能源管理有限公司 A kind of indoor intelligent control system and method based on speech recognition
CN105388772A (en) * 2015-12-04 2016-03-09 重庆财信合同能源管理有限公司 Indoor intelligent control system and method based on voice recognition
CN112289318A (en) * 2020-12-30 2021-01-29 成都启英泰伦科技有限公司 Voice remote control method and device

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