CN105654951A - Universal multifunctional voice signal adapter - Google Patents
Universal multifunctional voice signal adapter Download PDFInfo
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- CN105654951A CN105654951A CN201610066028.4A CN201610066028A CN105654951A CN 105654951 A CN105654951 A CN 105654951A CN 201610066028 A CN201610066028 A CN 201610066028A CN 105654951 A CN105654951 A CN 105654951A
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- G—PHYSICS
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- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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Abstract
The invention discloses a universal multifunctional voice signal adapter. The universal multifunctional voice signal adapter comprises a plurality of input driving circuits of different audio frequencies, a plurality of output driving circuits of different audio frequencies, a gain adjustment and level indication circuit and an input/output mode switching circuit. With the adoption of the input/output mode switching circuit, a voice recognition test under various types of electret microphone input and common environment can be realized; a voice recognition test under various types of movable coil type telephone transmitter input (including an aviation mask and an aviation earphone) and common environment can be realized; a voice recognition test under various types of electret microphone input and an appointed signal to noise ratio can be realized; and a voice recognition test under various types of the movable coil type telephone transmitter input (including an aviation mask and an aviation earphone) and the appointed signal to noise ratio can be realized.
Description
Technical field
The invention belongs to voice control product scope, for the testing authentication of aviation voice control product provides test wrapperBorder and means of testing.
Background technology
The complexity problem of the airplane operation that faces the future, adopts the novel driving cabin control modes such as voice control moreMore obtain the approval of industry, entered the development and application stage.
Airborne voice-operated core technology is speech recognition technology, its environment for use and facility environment and commonGround speech recognition environment there is very large difference. Although the basic fundamental that they adopt has certain experience to draw on.
The speech model relying on due to speech recognition need to use a large amount of speech samples to carry out pattern drill,A large amount of like this speech samples is difficult under airborne flying condition directly to obtain, and common language under surface conditionSound sample is easier to obtain, and these samples are in general noise circumstance, use common microphone and computerUnder the condition of sound card, gather, the basic model generating can reach and carry out under these environment and appointed conditionRecognition performance.
Because ground environment does not directly possess airborne driving cabin acoustic enviroment condition, development& testing checking is airborneVoice controller product just need to carry out some knowledges in the special test environment of simulator cockpit acoustic signalOther performance qualitative and quantitative test.
The airborne noise of the matter of utmost importance that airborne voice control faces, noise has larger to speech recognition performanceNegative effect, airborne voice control need to be issued to more than 95% discrimination in the condition of airborne noise, isOne of core capabilities content measurement that airborne voice controller is basic. Different types, the feature of its noise is notTo the greatest extent identical, even with a type, the noise under different phase and the equipment service condition of flight is not yetIdentical, therefore, need testing authentication Environmental Support to identifier under dissimilar noise and signal to noise ratio conditionRecognition performance comprehensively test, to meet the use under any task status condition.
The performance of voice controller also has very large relation with the airborne transmitter using. Due to the airborne words of sendingBetween the electroacoustic property of device and common microphone, there is larger difference, therefore also can produce speech recognition manyNegative impact, must test the aviation transmitter applicability of identifier. Transmitter product is by innerStructure is divided into two large classes, taking capacitor element as main electret class transmitter, and taking inductance component as master'sMoving-coil type transmitter, due to structure difference, their electric interfaces can not be mutually general. Airborne transmitter typeNumber product is divided into two large classes at present, i.e. aviation headsets and aviation face shield, and the former is applicable to helicopter and medium-and-large-sizedAircraft cockpit, latter is applicable to the aircraft that various flying height is higher. Between this two classes transmitter, withAnd between they and common microphone aspect electroacoustic property, sound property and electrical characteristic, all exist very largeDifference, therefore, the test environment of aviation identifier must be able to just realized these dissimilar adaptersReally adaptive.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of functional universal voice signal adapter, can be in boatIn empty voice controller exploitation and test environment, use, and make the development and testing environment of aviation voice controllerObtain unification, be applicable to the condition simulation coupling of all types of airborne circumstances.
Goal of the invention of the present invention is achieved through the following technical solutions:
A kind of functional universal voice signal adapter, the input driving circuit that comprises several different audio frequency,Output driving circuit, gain adjustment and level indicating circuit, gain adjustment and the level of several different audio frequencyIndicating circuit, input and output mode commutation circuit:
In the input driving circuit of described several different audio frequency, comprise the 4th linear audio input driving circuit;
Described input and output mode commutation circuit is used for according to user's demand in each input driving circuit, outputBetween drive circuit, gain adjustment and level indicating circuit, switch, will be defeated by each input driving circuitThe voice data entering directly outputs to speech recognition device and output driving circuit, or will drive by each inputThe voice data of circuit input is adjusted by gain and level indicating circuit outputs to speech recognition after regulatingDevice and output driving circuit, or by voice data and other input driving circuit of the 4th linear audio inputThe voice data of input is delivered to the 4th linear audio after regulating with gain adjustment and level indicating circuit respectivelyAfter input driving circuit, be merged into a road voice data and export to again speech recognition device and output driving circuit.
Preferably, the input driving circuit of described several different audio frequency also comprises dynamic microphones input and drivesMoving circuit, electret-type microphone input driving circuit, the first linear audio input driving circuit, the second lineProperty audio frequency input driving circuit, the 3rd linear audio input driving circuit.
The output driving circuit of described several different audio frequency comprise high resistant moving coil earphone output driving circuit,General moving coil earphone output driving circuit, the first linear audio output driving circuit, the second linear audio are defeatedGo out drive circuit, the 3rd linear audio output driving circuit, the 4th linear audio output driving circuit.
Described gain adjustment and level indicating circuit comprise the first gain adjustment and level indicating circuit and second increasesBenefit is adjusted and level indicating circuit.
Described input and output mode commutation circuit comprises nine dpdt relays, nine DPDT relaysDevice connection status is as follows:
RELAY1: a COM1 end is positioned at output and first gain of dynamic microphones input driving circuitBetween the input of adjustment and level indicating circuit, a COM2 end is positioned at the first gain adjustment and level indicatingThe output of circuit, under NC state, the output of dynamic microphones input driving circuit is adjusted through the first gainWhole and level indicating circuit outputting audio data backward, under NO state, a COM1 end and a COM2 endDirect-connected, the output of dynamic microphones input driving circuit is directly held outputting audio data backward from COM2;
RELAY2: the output and second that the 2nd COM1 end is positioned at electret-type microphone input driving circuit increasesBetween the input of benefit adjustment and level indicating circuit, the 2nd COM2 end is positioned at the second gain adjustment and level refers toShow the output of circuit, under NC state, the output of electret-type microphone input driving circuit increases by secondBenefit is adjusted and level indicating circuit outputting audio data backward, and under NO state, the input of electret-type microphone is drivenMoving circuit disconnects;
RELAY3: the output and first that the 3rd COM1 end is positioned at electret-type microphone input driving circuit increasesBetween the input of benefit adjustment and level indicating circuit, the 3rd COM2 end is positioned at the first gain adjustment and level refers toShow the output of circuit, under NC state, electret-type microphone input driving circuit disconnects, at NO shapeUnder state the input of electret-type microphone input driving circuit through the first gain adjustment and level indicating circuit toRear outputting audio data;
RELAY4: the 4th COM1 end and the 4th COM2 hold defeated at electret-type microphone input driving circuitGo out end, under NC state, electret-type microphone input driving circuit disconnects, the 4th COM1 under NO stateDirect-connected between end and the 4th COM2 end, the output of electret-type microphone input driving circuit is held from the 4th COM2Outputting audio data backward;
RELAY5: the 5th COM1 end is positioned at output and first gain of the 3rd linear audio input driving circuitBetween the input of adjustment and level indicating circuit, the 5th COM2 end is positioned at the first gain adjustment and level indicatingThe output of circuit, under NC state, the 5th COM1 and the 5th COM2 are direct-connected, and the 3rd linear audio input is drivenThe output of moving circuit is directly from the 5th COM2 end output backward, and under NO state, the 3rd linear audio input drivesThe output of circuit is exported backward through the first gain adjustment and level indicating circuit;
RELAY6: the 6th COM1 end is positioned at output and second gain of the 4th linear audio input driving circuitBetween the input of adjustment and level indicating circuit, the 6th COM2 end is positioned at the second gain adjustment and level indicatingBetween the input of the output of circuit and the 4th linear audio input driving circuit, under NC state, the 6thCOM1 end is direct-connected with the 6th COM2 end, the output of the 4th linear audio input driving circuit from the 6th COM2 end toRear output, under NO state, the output of the 4th linear audio input driving circuit is through the second gain adjustment and electricityAfter flat indicating circuit, get back to the input of the 4th linear audio input driving circuit;
RELAY7: the 7th COM1 end is positioned at output and the 4th line of the first gain adjustment and level indicating circuitProperty audio frequency input driving circuit input, under NO state, the first gain is adjusted and level indicating circuit defeatedGo out to enter the 4th linear audio input driving circuit;
RELAY8: the 8th COM1 end is positioned at output and the general moving-coil of the 4th linear audio input driving circuitBetween an input in formula earphone output driving circuit, the 8th COM2 end is positioned at the 4th linear audio inputBetween another input in the output of drive circuit and general moving coil earphone output driving circuit,Under NC state, without any effect, under NO state, the output of the 4th linear audio input driving circuit enters logicalWith two inputs of moving coil earphone output driving circuit.
RELAY9: the 9th COM1 end is positioned at output and the 3rd linearity of the 4th linear audio input driving circuitBetween the input of audio frequency output driving circuit, the 9th COM2 end is positioned at the 4th linear audio input driving circuitOutput and the input of the 4th linear audio output driving circuit between, under NC state without any workWith, under NO state, the output of the 4th linear audio input driving circuit enters into the 3rd linear audio output and drivesIn moving circuit and the 4th linear audio output driving circuit.
Preferably, described nine dpdt relays are used for realizing following four kinds of access modules:
1: nine dpdt relay of Mode S is all in NC state;
Mode S 2:RELAY1 is in NC state, and RELAY2 is in NO state, and RELAY3 is in NC state, RELAY4In NO state, RELAY5 is in NC state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state;
Mode S 3:RELAY1 is in NO state, and RELAY2 is in NO state, and RELAY3 is in NO state, RELAY4In NC state, RELAY5 is in NC state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state;
Mode S 4:RELAY1 is in NO state, and RELAY2 is in NO state, and RELAY3 is in NC state, RELAY4In NO state, RELAY5 is in NO state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state.
Preferably, the input driving circuit of described several different audio frequency all by for by input voice data
Being modulated into the linear output level of 2V outwards exports.
Preferably, the input of described the 4th linear audio input driving circuit is provided with adder.
Compared with prior art, beneficial effect of the present invention is:
By use functional universal voice signal adapter in the exploitation of aviation voice controller and test environment,Reduce test environment construction investment, improve the utilization rate of test environment equipment, be also various aviation voice simultaneouslyThe application personnel of identifier provide very big facility.
In voice controller speech recognition test environment, use this contrive equipment, can carry out following voice knowledgeThe identification test experiments of other device:
A) various electret microphone inputs, the speech recognition test under conventional environment;
B) various moving-coil type transmitter inputs (comprising aviation face shield, navigation earphone), under conventional environmentSpeech recognition test;
C) various electret microphone inputs, specify the speech recognition test under signal to noise ratio;
D) various moving-coil type transmitter inputs (comprising aviation face shield, navigation earphone), specify under signal to noise ratioSpeech recognition test;
Respectively in speech recognition test moderate, too low, that transship under volume initial conditions.
Brief description of the drawings
Fig. 1 is principle of the invention flow chart;
Fig. 2 is functions of the equipments definition of the present invention;
Fig. 3 is definition and the implementation summary of 4 kinds of mode of operations in the present invention;
Fig. 4 is the schematic diagram of dynamic microphones input driving circuit;
Fig. 5 is the schematic diagram of electret-type microphone input driving circuit;
Fig. 6 is the schematic diagram of 4 road linear input signal drive circuits;
Fig. 7 is the schematic diagram of high resistant moving coil earphone output driving circuit;
Fig. 8 is the schematic diagram of common headphones output driving circuit;
Fig. 9 is the schematic diagram of 4 road linear audio output driving circuits;
Figure 10 is the schematic diagram of level indicating circuit;
Figure 11 is gain adjustment circuit;
Figure 12 is the schematic diagram of input and output mode commutation circuit;
Figure 13 is apparatus of the present invention front and back panel layout.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
1 integrated circuit Module Division
As shown in Figure 1, the present invention can be divided into 4 modules circuit design, that is:
A) audio frequency input driving circuit, comprise 1 tunnel dynamic microphones input driving circuit (hereinafter to be referred as:MIC1), 1 road electret-type microphone input driving circuit (hereinafter to be referred as: MIC2), 4 road linear audiosInput driving circuit, is respectively the first linear audio input driving circuit, the second linear audio input driving electricityRoad, the 3rd linear audio input driving circuit and the 4th linear audio input driving circuit (hereinafter to be referred as LIN1,LIN2, LIN3, LIN4). The schematic diagram of audio frequency input driving circuit can be referring to shown in Fig. 4, Fig. 5, Fig. 6,But be not limited to the structure shown in Fig. 4, Fig. 5, Fig. 6.
Wherein LIN4 is again mixer circuit, has two input interface: ADDIN and LIN4, and wherein ADDIN usesIn receiving, the first gain is adjusted and the output of level indicating circuit, and LIN4 is used for receiving LIN4 primary signal and warpCrossed the output of the second gain adjustment and level indicating circuit, and by adder, the input of Jiang Er road is closedAnd.
B) audio frequency output driving circuit, comprises (the letter below of 1 road high resistant moving coil earphone output driving circuitClaim: HP1), the 1 general moving coil earphone output driving circuit in road (hereinafter to be referred as: HP2), 4 route soundsFrequently output driving circuit, is respectively the first linear audio output driving circuit, the second linear audio output driving electricityRoad, the 3rd linear audio output driving circuit and the 4th linear audio output driving circuit (hereinafter to be referred as: LOUT1,LOUT2, LOUT3, LOUT4). The schematic diagram of audio frequency input driving circuit can be referring to Fig. 7, Fig. 8, Fig. 9 instituteShow, but be not limited to the structure shown in Fig. 7, Fig. 8, Fig. 9.
C) gain is adjusted and level indicating circuit, comprises 2 gain adjusting circuits and 2 LED level indicatingsCircuit for lamp, can regulate simultaneously and show the input volume of two-way audio input driving circuit. LED level indicating lampCircuit can be referring to Figure 10, and gain adjusting circuit can be referring to Figure 11, but is not limited to the structure shown in Figure 10, Figure 11.
D) input and output mode commutation circuit, combines control by 9 dpdt relays, canSwitch and 4 kinds of input and output modes. Input and output mode commutation circuit schematic diagram can be referring to Figure 12, but is not limited toStructure shown in Figure 12.
All input processing modules are all modulated into signal the linear output level of 2V and outwards export.
The function of 2 input and output mode commutation circuits
As shown in Figure 3, in specific implementation of the present invention, design 4 kinds of access modules, wherein:
A) Mode S 1 is direct connection pattern, and the signal of MIC1, MIC2, LIN1～4 can be input to respectively speech recognitionDevice (being labeled as DSP in figure), the sound that DSP generates simultaneously can directly output to HP1, HP2, LOUT1～4,Wherein the input of MIC1, MIC2 can be used respectively each self-corresponding gain adjustment and level indicating circuit to carry outThe adjusting of input volume; This pattern is mainly used in each I/O channel to test, and verifies adaptive boxAvailability.
B) Mode S 2 is MIC1 and LIN4 audio mixing pattern, and tune can gain the input of MIC1 and LIN4 respectivelyJoint, and carry out audio mixing, being input in DSP, this audio mixing also can directly output to HP2 and LOUT3～4; This patternUnder, user can use dynamic microphones that speech is input in MIC1, utilizes PC to produce certain kinds simultaneouslyThe noise inputs of type is in LIN4, and user can utilize gain-adjusted 1 that the speech input of MIC1 is adjusted to suitablyScope, utilizes gain-adjusted 2 that the noise inputs of LIN4 is adjusted to required scope, then is input to general in LIN4Both are mixed output in DSP, can test the speech recognition merit of DSP speech recognition device under different noise gradesCan, both are mixed to sound and output in LOUT3～4, can be used for PC and calculate the signal to noise ratio of current mixing sound, by twoPerson mixes sound and outputs in HP2, is convenient to user and monitors the actual conditions of mixing sound;
C) Mode S 3 is MIC2 and LIN4 audio mixing pattern, and tune can gain the input of MIC2 and LIN4 respectivelyJoint, and carry out audio mixing, being input in DSP, this audio mixing also can directly output to HP2 and LOUT3～4; This patternUnder, user can use electret microphone that speech is input in MIC2, utilizes PC to produce certain kinds simultaneouslyThe noise inputs of type is in LIN4, and user can utilize gain-adjusted 1 that the speech input of MIC2 is adjusted to suitablyScope, utilizes gain-adjusted 2 that the noise inputs of LIN4 is adjusted to required scope, then is input to general in LIN4Both mixing are input in DSP, can test the speech recognition merit of DSP speech recognition device under different noise gradesCan, both are mixed to sound and output in LOUT3～4, can be used for PC and calculate the signal to noise ratio of current mixing sound, by twoPerson mixes sound and outputs in HP2, is convenient to user and monitors the actual conditions of mixing sound;
D) Mode S 4 is LIN3 and LIN4 audio mixing pattern, and tune can gain the input of LIN3 and LIN4 respectivelyJoint, and carry out audio mixing, being input in DSP, this audio mixing also can directly output to HP2 and LOUT3～4; This patternUnder, utilize PC the voice data of preserving in advance and the noise of particular type can be input to respectively LIN3 andIn LIN4, user can utilize gain-adjusted 1 that the speech input of LIN3 is adjusted to proper range, utilizes gainRegulate and 2 the noise inputs of LIN4 is adjusted to required scope, then be input in LIN4 both mixing are input toIn DSP, can test the speech identifying function of DSP speech recognition device under different noise grades, both are mixedSound outputs in LOUT3～4, can be used for PC and calculate the signal to noise ratio of current mixing sound, both is mixed to sound and output toIn HP2, be convenient to user and monitor the actual conditions of mixing sound;
3 input and output mode commutation circuit details of operations
Figure 12 is the circuit of realizing of input and output mode commutation circuit, has comprised 9 DPDT DPDT relaysSwitch (RELAY1～9) and 1 mode tuning circuit, each dpdt relay can have two kinds of shapesState (NC and NO), corresponds respectively to two kinds of different line connections, and mode tuning circuit can arrange 4The pattern of kind, every kind of pattern can arrange these 9 dpdt relays in certain state simultaneously, logical like thisCross mode tuning circuit and just can adjust 4 kinds of required use patterns, detail is as follows.
The table in the upper right corner in Fig. 3, has described respectively 9 DPDT DPDT relay switches under different conditionsWire connection state, double-pole position lays respectively at COM1 and COM2, and NC and NO represent that double-pole is placed in two kindsField location access state under state. Wherein, GC represents gain adjusting circuit GAINCONTROL, and LM representsLED level indicating circuit for lamp LEVELMONITOR, SHORT represents that COM1 point and the COM2 point of double-pole switch is direct-connected,X represents that the COM1 point of double-pole switch and COM2 point disconnect, and ADDIN represents the 4th linear audio input driving circuitIn for receiving the input of output of the first gain adjustment and level indicating circuit, ADDOUT represents throughThe output of four linear audio input driving circuit audio mixings.
To the wire connection state of these 9 dpdt relays under different conditions be described respectively below:
RELAY1, a COM1 end is positioned at output and first gain of dynamic microphones input driving circuit and adjustsBetween the input of whole and level indicating circuit (being labeled as A1 in figure), a COM2 end is positioned at the first gainThe output (being labeled as A2 in figure) of adjustment and level indicating circuit, under NC state, dynamic microphones is defeatedEnter the output of drive circuit through the first gain adjustment and level indicating circuit outputting audio data backward, at NOUnder state, a COM1 end is direct-connected with a COM2 end, and the output of dynamic microphones input driving circuit is straightConnect from COM2 and hold outputting audio data backward.
RELAY2, the 2nd COM1 end is positioned at output and second gain of electret-type microphone input driving circuitBetween the input of adjustment and level indicating circuit (being labeled as B1 in figure), the 2nd COM2 end is positioned at the second increasingThe output (being labeled as B2 in figure) of benefit adjustment and level indicating circuit, electret-type Mike under NC stateThe output of wind input driving circuit is adjusted and level indicating circuit outputting audio data backward by the second gain,Under NO state, electret-type microphone input driving circuit disconnects.
RELAY3, the 3rd COM1 end is positioned at output and first gain of electret-type microphone input driving circuitBetween the input of adjustment and level indicating circuit (being labeled as B3 in figure), the 3rd COM2 end is positioned at the first increasingThe output (being labeled as B4 in figure) of benefit adjustment and level indicating circuit, electret-type Mike under NC stateWind input driving circuit disconnects, the input warp of electret-type microphone input driving circuit under NO stateCrossing the first gain adjusts and level indicating circuit outputting audio data backward.
RELAY4, the 4th COM1 end and the 4th COM2 hold output at electret-type microphone input driving circuitEnd, under NC state, electret-type microphone input driving circuit disconnects, the 4th COM1 under NO stateDirect-connected between end and the 4th COM2 end, the output of electret-type microphone input driving circuit is held from the 4th COM2Outputting audio data backward.
RELAY5, the 5th COM1 end is positioned at output and first gain of the 3rd linear audio input driving circuit and adjustsBetween the input of whole and level indicating circuit (being labeled as C1 in figure), the 5th COM2 end is positioned at the first gainAdjust and the output (being labeled as C2 in figure) of level indicating circuit, under NC state, the 5th COM1 and theFive COM2 are direct-connected, and the output of the 3rd linear audio input driving circuit is directly exported backward from the 5th COM2 end,Under NO state, the output of the 3rd linear audio input driving circuit is through the first gain adjustment and level indicating electricityAfter road direction, export; .
RELAY6, the 6th COM1 end is positioned at output and second gain of the 4th linear audio input driving circuit and adjustsBetween the input of whole and level indicating circuit (being labeled as D1 in figure), the 6th COM2 end is positioned at the second gain(figure between adjustment and the output of level indicating circuit and the input of the 4th linear audio input driving circuitIn be labeled as D2), under NC state, the 6th COM1 end is direct-connected with the 6th COM2 end, the 4th linear audio is defeatedEnter the output of drive circuit from the 6th COM2 end output backward, under NO state, the 4th linear audio input drivesThe output of circuit is got back to the 4th linear audio input and is driven electricity after the second gain adjustment and level indicating circuitThe input on road;
RELAY7, the 7th COM1 end is positioned at output and the 4th linearity of the first gain adjustment and level indicating circuitThe input (being labeled as ADDIN in figure) of audio frequency input driving circuit, under NO state, the first gain is adjusted and electricityThe output of flat indicating circuit enters the 4th linear audio input driving circuit, and signal is input in ADDIN point just canCarry out audio mixing with the signal obtaining with LIN4, be convenient to carry out noise stack in the time that speech recognition is tested.
RELAY8, the 8th COM1 end is positioned at output and the general moving-coil type of the 4th linear audio input driving circuitBetween an input in earphone output driving circuit, the 8th COM2 end is positioned at the 4th linear audio input and drivesBetween another input in output and the general moving coil earphone output driving circuit of moving circuit, at NCUnder state, without any effect, under NO state, the output of the 4th linear audio input driving circuit enters generalTwo inputs of moving coil earphone output driving circuit, are convenient to the monitoring of people's ear.
RELAY9, the 9th COM1 end is positioned at output and the 3rd linear sound of the 4th linear audio input driving circuitFrequently between the input of output driving circuit, the 9th COM2 end is positioned at the 4th linear audio input driving circuitBetween the input of output and the 4th linear audio output driving circuit, under NC state without any effect,Under NO state, the output of the 4th linear audio input driving circuit enters into the 3rd linear audio output and drives electricityIn road and the 4th linear audio output driving circuit, be convenient to PC and gather and calculate.
Wherein, input control is responsible in RELAY1～6, and RELAY7 is responsible for audio mixing, and RELAY8～9 are responsible for output and are controlled.
Under 4 mode of operations, the state of RELAY1～9 is as follows respectively:
Under S1 pattern, NC, NC, NC, NC, NC, NC, NC, NC, NC;
Under S2 pattern, NC, NO, NC, NO, NC, NO, NO, NO, NO;
Under S3 pattern, NO, NO, NO, NC, NC, NO, NO, NO, NO;
Under S4 pattern, NO, NO, NC, NO, NO, NO, NO, NO, NO;
4 input/output signal treatment circuits
Accompanying drawing 4,5,6 be the present invention realize in all input driving circuits, wherein comprised respectively MIC1,The input driving circuit of MIC2, LIN1～4, wherein the input of the input driving circuit of LIN4 has additionally increasedAn ADD end, carries out in order to voice signal and other input audio signals through ADD of realizing LIN4 inputThe function of audio mixing.
Accompanying drawing 7,8,9 is the schematic diagram of all output driving circuit during the present invention realizes, wherein bag respectivelyContain the output driving circuit of HP1, HP2, LOUT1～4.
5 user interface circuitry
Accompanying drawing 10,11 and accompanying drawing 12, for the user interface circuitry that the present invention realizes, are respectively two-way gain-adjustedCircuit, two paths of LED level indicating circuit for lamp and input and output mode commutation circuit realize circuit.
Figure 13 is the front and back panel of apparatus of the present invention, on front panel layout have two paths of signals LED level indicating,Two gain-adjusted knobs, and voice signal input and output jack; On rear board, be mainly to speech recognitionThe output interface of equipment, pattern switching is opened. Wherein:
1 represents 6.35mm high resistant headset output interface;
2 represent 3.5mm common headphones output interface;
3 represent 2 3.5mm two-channel interfaces, the i.e. linear output interface in LINEOUT1～4;
4 represent that LED shows 1;
5 represent gain-adjusted knob 1;
6 represent that LED shows 2;
7 represent gain-adjusted knob 2;
8 represent 2 3.5mm two-channel interfaces, the i.e. linear input interface in LINEOUT1～4;
9 represent 3.5mm electret-type microphone interface;
10 represent 6.35mm dynamic microphones interface;
11 represent model selection knob, can select S1, S2, S3, tetra-kinds of patterns of S4;
12 represent serial interface;
13 represent adaptive box switch;
14 represent supply hub.
Be understandable that, for those of ordinary skills, can be according to technical scheme of the present inventionAnd inventive concept is equal to and replaces or change, and all these changes or replace and all should belong to institute of the present inventionThe protection domain of attached claim.
Claims (8)
1. a functional universal voice signal adapter, the input that comprises several different audio frequency drives electricityThe output driving circuit of road, several different audio frequency, gain adjustment and level indicating circuit, gain adjustment andLevel indicating circuit, input and output mode commutation circuit, is characterized in that:
In the input driving circuit of described several different audio frequency, comprise the 4th linear audio input driving circuit;
Described input and output mode commutation circuit is used for according to user's demand in each input driving circuit, outputBetween drive circuit, gain adjustment and level indicating circuit, switch, will be defeated by each input driving circuitThe voice data entering directly outputs to speech recognition device and output driving circuit, or will drive by each inputThe voice data of circuit input is adjusted by gain and level indicating circuit outputs to speech recognition after regulatingDevice and output driving circuit, or by voice data and other input driving circuit of the 4th linear audio inputThe voice data of input is delivered to the 4th linear audio after regulating with gain adjustment and level indicating circuit respectivelyAfter input driving circuit, be merged into a road voice data and export to again speech recognition device and output driving circuit.
2. a kind of functional universal voice signal adapter according to claim 1, is characterized in thatThe input driving circuit of described several different audio frequency also comprises dynamic microphones input driving circuit, electretBody formula microphone input driving circuit, the first linear audio input driving circuit, the second linear audio input are drivenMoving circuit, the 3rd linear audio input driving circuit.
3. a kind of functional universal voice signal adapter according to claim 2, is characterized in thatThe output driving circuit of described several different audio frequency comprises high resistant moving coil earphone output driving circuit, generalMoving coil earphone output driving circuit, the first linear audio output driving circuit, the second linear audio output are drivenMoving circuit, the 3rd linear audio output driving circuit, the 4th linear audio output driving circuit.
4. a kind of functional universal voice signal adapter according to claim 3, is characterized in thatDescribed gain adjustment and level indicating circuit comprise the first gain adjustment and level indicating circuit and the second gain and adjustWhole and level indicating circuit.
5. a kind of functional universal voice signal adapter according to claim 4, is characterized in thatDescribed input and output mode commutation circuit comprises nine dpdt relays, and nine dpdt relays connectConnect state as follows:
RELAY1: a COM1 end is positioned at output and first gain of dynamic microphones input driving circuitBetween the input of adjustment and level indicating circuit, a COM2 end is positioned at the first gain adjustment and level indicatingThe output of circuit, under NC state, the output of dynamic microphones input driving circuit is adjusted through the first gainWhole and level indicating circuit outputting audio data backward, under NO state, a COM1 end and a COM2 endDirect-connected, the output of dynamic microphones input driving circuit is directly held outputting audio data backward from COM2;
RELAY2: the output and second that the 2nd COM1 end is positioned at electret-type microphone input driving circuit increasesBetween the input of benefit adjustment and level indicating circuit, the 2nd COM2 end is positioned at the second gain adjustment and level refers toShow the output of circuit, under NC state, the output of electret-type microphone input driving circuit increases by secondBenefit is adjusted and level indicating circuit outputting audio data backward, and under NO state, the input of electret-type microphone is drivenMoving circuit disconnects;
RELAY3: the output and first that the 3rd COM1 end is positioned at electret-type microphone input driving circuit increasesBetween the input of benefit adjustment and level indicating circuit, the 3rd COM2 end is positioned at the first gain adjustment and level refers toShow the output of circuit, under NC state, electret-type microphone input driving circuit disconnects, at NO shapeUnder state the input of electret-type microphone input driving circuit through the first gain adjustment and level indicating circuit toRear outputting audio data;
RELAY4: the 4th COM1 end and the 4th COM2 hold defeated at electret-type microphone input driving circuitGo out end, under NC state, electret-type microphone input driving circuit disconnects, the 4th COM1 under NO stateDirect-connected between end and the 4th COM2 end, the output of electret-type microphone input driving circuit is held from the 4th COM2Outputting audio data backward;
RELAY5: the 5th COM1 end is positioned at output and first gain of the 3rd linear audio input driving circuitBetween the input of adjustment and level indicating circuit, the 5th COM2 end is positioned at the first gain adjustment and level indicatingThe output of circuit, under NC state, the 5th COM1 and the 5th COM2 are direct-connected, and the 3rd linear audio input is drivenThe output of moving circuit is directly from the 5th COM2 end output backward, and under NO state, the 3rd linear audio input drivesThe output of circuit is exported backward through the first gain adjustment and level indicating circuit;
RELAY6: the 6th COM1 end is positioned at output and second gain of the 4th linear audio input driving circuitBetween the input of adjustment and level indicating circuit, the 6th COM2 end is positioned at the second gain adjustment and level indicatingBetween the input of the output of circuit and the 4th linear audio input driving circuit, under NC state, the 6thCOM1 end is direct-connected with the 6th COM2 end, the output of the 4th linear audio input driving circuit from the 6th COM2 end toRear output, under NO state, the output of the 4th linear audio input driving circuit is through the second gain adjustment and electricityAfter flat indicating circuit, get back to the input of the 4th linear audio input driving circuit;
RELAY7: the 7th COM1 end is positioned at output and the 4th line of the first gain adjustment and level indicating circuitProperty audio frequency input driving circuit input, under NO state, the first gain is adjusted and level indicating circuit defeatedGo out to enter the 4th linear audio input driving circuit;
RELAY8: the 8th COM1 end is positioned at output and the general moving-coil of the 4th linear audio input driving circuitBetween an input in formula earphone output driving circuit, the 8th COM2 end is positioned at the 4th linear audio inputBetween another input in the output of drive circuit and general moving coil earphone output driving circuit,Under NC state, without any effect, under NO state, the output of the 4th linear audio input driving circuit enters logicalWith two inputs of moving coil earphone output driving circuit.
RELAY9: the 9th COM1 end is positioned at output and the 3rd linearity of the 4th linear audio input driving circuitBetween the input of audio frequency output driving circuit, the 9th COM2 end is positioned at the 4th linear audio input driving circuitOutput and the input of the 4th linear audio output driving circuit between, under NC state without any workWith, under NO state, the output of the 4th linear audio input driving circuit enters into the 3rd linear audio output and drivesIn moving circuit and the 4th linear audio output driving circuit.
6. a kind of functional universal voice signal adapter according to claim 4, is characterized in thatDescribed nine dpdt relays are used for realizing following four kinds of access modules:
1: nine dpdt relay of Mode S is all in NC state;
Mode S 2:RELAY1 is in NC state, and RELAY2 is in NO state, and RELAY3 is in NC state, RELAY4In NO state, RELAY5 is in NC state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state;
Mode S 3:RELAY1 is in NO state, and RELAY2 is in NO state, and RELAY3 is in NO state, RELAY4In NC state, RELAY5 is in NC state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state;
Mode S 4:RELAY1 is in NO state, and RELAY2 is in NO state, and RELAY3 is in NC state, RELAY4In NO state, RELAY5 is in NO state, and RELAY6 is in NO state, and RELAY7 is in NO state, RELAY8In NO state, RELAY9 is in NO state.
7. a kind of functional universal voice signal adapter according to claim 1, is characterized in thatThe input driving circuit of described several different audio frequency is all by for being modulated into 2V line by the voice data of inputProperty output level is outwards exported.
8. a kind of functional universal voice signal adapter according to claim 1, is characterized in thatThe input of described the 4th linear audio input driving circuit is provided with adder.
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|---|---|---|---|
| CN201610066028.4A CN105654951A (en) | 2016-01-29 | 2016-01-29 | Universal multifunctional voice signal adapter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066028.4A CN105654951A (en) | 2016-01-29 | 2016-01-29 | Universal multifunctional voice signal adapter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243096Y (en) * | 1995-04-28 | 1996-12-18 | 清华大学 | Signal numeralization instrument |
| CN101212597A (en) * | 2006-12-29 | 2008-07-02 | 康佳集团股份有限公司 | TV receiving signal level indication method |
| CN201750535U (en) * | 2010-06-18 | 2011-02-16 | 康佳集团股份有限公司 | Circuit automatically adapting to moving-coil type microphone and electret type microphone |
| US20120053934A1 (en) * | 2008-04-24 | 2012-03-01 | Nuance Communications. Inc. | Testing a grammar used in speech recognition for reliability in a plurality of operating environments having different background noise |
| CN103745731A (en) * | 2013-12-31 | 2014-04-23 | 安徽科大讯飞信息科技股份有限公司 | Automatic voice recognition effect testing system and automatic voice recognition effect testing method |
| CN104538042A (en) * | 2014-12-22 | 2015-04-22 | 南京声准科技有限公司 | Intelligent voice test system and method for terminal |
-
2016
- 2016-01-29 CN CN201610066028.4A patent/CN105654951A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243096Y (en) * | 1995-04-28 | 1996-12-18 | 清华大学 | Signal numeralization instrument |
| CN101212597A (en) * | 2006-12-29 | 2008-07-02 | 康佳集团股份有限公司 | TV receiving signal level indication method |
| US20120053934A1 (en) * | 2008-04-24 | 2012-03-01 | Nuance Communications. Inc. | Testing a grammar used in speech recognition for reliability in a plurality of operating environments having different background noise |
| CN201750535U (en) * | 2010-06-18 | 2011-02-16 | 康佳集团股份有限公司 | Circuit automatically adapting to moving-coil type microphone and electret type microphone |
| CN103745731A (en) * | 2013-12-31 | 2014-04-23 | 安徽科大讯飞信息科技股份有限公司 | Automatic voice recognition effect testing system and automatic voice recognition effect testing method |
| CN104538042A (en) * | 2014-12-22 | 2015-04-22 | 南京声准科技有限公司 | Intelligent voice test system and method for terminal |
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Application publication date: 20160608 |