CN201947286U - Sound signal processing device - Google Patents
Sound signal processing device Download PDFInfo
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- CN201947286U CN201947286U CN2010206785402U CN201020678540U CN201947286U CN 201947286 U CN201947286 U CN 201947286U CN 2010206785402 U CN2010206785402 U CN 2010206785402U CN 201020678540 U CN201020678540 U CN 201020678540U CN 201947286 U CN201947286 U CN 201947286U
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Abstract
A sound signal processing device comprises a control signal receiving module, a sound signal receiving module, a digital signal processing module, a logic control module for controlling the digital signal processing module to process received sound signals according to received control signals and a digital signal transmission module. The digital signal processing module comprises a dual tone multi-frequency processing unit for detecting and abstracting dual tone multi-frequency signals in sound signals and converting the dual tone multi-frequency signals into digital signals and a multi-frequency mutual control processing unit for detecting and abstracting multi-frequency mutual control signals in the sound signals and converting the multi-frequency mutual control signals into the digital signals. The sound signal processing device has functions of a dual tone multi-frequency board and a multi-frequency mutual control board, only needs to occupy one interface of a switchboard, has a high integrated level and complete interior functions, saves the interfaces of the switchboard under the condition of realizing the same functions, and is favorable for expansion of switchboard functions.
Description
Technical field
The utility model includes the line communication technology field, particularly relates to a kind of audio signal processor.
Background technology
PSTN (PSTN Public Switched Telephone Network) switch is a very important assembly in the modern communication networks, and it is used to finish the various call operations relevant with conversation.The various functions of switch are to realize that by the switch plate that links to each other with switch ports themselves the switch plate comprises usually: DTMF (Dual Tone Multiple Frequency dual-tone multifrequency) plate, MFC (Multi-Frequency Compelled Signal Multiple Frequency Control) plate, ASG (generation of Analog Signal Generator audio signal sound) plate and digital subscriber board or the like.
Every kind of wherein above-mentioned plate is all finished an independently function.The DTMF plate detects the dtmf dialing sound audio signal of PCM (Pulse Code Modulation pulse modulation) form, and the dtmf dialing sound is decoded into digital signal.The MFC plate detects the relaying signaling of the PCM dialing tone form of voice channel, and this relaying signaling decoding is become the digital junction signaling.The ASG plate receives code value, digital signalling is decoded into the dialing tone of PCM form; Digital subscriber board inserts digital subset or data terminal equipment, and information mutual between digital subset or data terminal equipment and the switch is carried out the signaling conversion.
But because the switch ports themselves limited in number, the switch plate number that every switch is supported simultaneously is limited.And four kinds of above-mentioned plates all are the plates commonly used of switch, and therefore, four kinds of plates have just taken four ports of switch.Limit the use of other plates of switch like this, be unfavorable for the expansion of switch function.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and a kind of integrated level height, audio signal processor that built-in function is big is provided.
The purpose of this utility model realizes by following technical measures:
A kind of audio signal processor comprises: the control signal receiver module that is used for the control signal of desampler transmission; The audio signal receiver module that is used for the audio signal of desampler transmission; Be used for digital signal processing module that the audio signal that is received is handled; Be used for controlling the Logic control module that described digital signal processing module is handled the audio signal that is received according to the control signal that is received; Be used for the result of described digital signal processing module is sent to the digital signal sending module of switch; The control signal output ends of control signal receiver module is connected with the signal input part of Logic control module, the control signal output ends of Logic control module is connected with the signal input end of digital signal processing module, the audio signal output end of audio signal receiver module is connected with the audio signal input end of digital signal processing module, and the digital signal output end of digital signal processing module is connected with the digital signal input end of digital signal sending module;
Wherein, described digital signal processing module comprises: be used for detecting and extract described audio signal touch-tone signal, and this touch-tone signal be converted to the dual-tone multifrequency processing unit of digital signal; Be used for detecting and extract described audio signal multi-frequency compelled signal, and this multi-frequency compelled signal be converted to the Multiple Frequency Control processing unit of digital signal.
Preferably, above-mentioned audio signal processor also comprises: the digital signal receiver module that is used for the digital signal of desampler transmission; Be used for the result of described digital signal processing module is sent to the audio signal sending module of switch; The digital signal output end of digital signal receiver module is connected with the digital signal input end of digital signal processing module; The audio signal output end of digital signal processing module is connected with the audio signal input end of audio signal sending module;
Described digital signal processing module also comprises: be used to detect described digital signal, and this digital signal be converted to the audio signal generation unit of audio signal.
Preferably, above-mentioned described audio signal processor also comprises: the digital terminal receiver module that is used to receive the control signaling and the audio signal of digital terminal; Be used for first signaling transfer module that the control signaling of the digital terminal that will be received is carried out the signaling conversion; Be used for first protocol conversion module that the audio signal that described digital terminal receiver module receives is carried out protocol conversion; Be used for the audio signal after the described first protocol conversion module protocol conversion is sent to the audio signal sending module of switch; Be used for the control signal after the described first signaling transfer module signaling conversion is sent to the signaling sending module of switch; Be used for the control signal that described control signal receiver module receives is carried out second signaling transfer module of signaling conversion; Be used for second protocol conversion module that the audio signal that described audio signal receiver module receives is carried out protocol conversion; Be used for control signal after described second signaling transfer module conversion and the audio signal after the conversion of described second protocol conversion module are sent to the digital terminal sending module; The audio signal that the audio signal sending module receives described digital terminal receiver module sends to switch; The signaling output of digital terminal receiver module is connected with the signaling input of first signaling transfer module, the signaling output of first signaling transfer module is connected with the signaling input of signaling sending module, the signaling output of control signal receiver module is connected with the signaling input of second signaling transfer module, the signaling output of second signaling transfer module is connected with the signaling input of digital terminal sending module, the audio signal output end of audio signal receiver module is connected with the audio signal input end of second protocol conversion module, the audio signal output end of second protocol conversion module is connected with the audio signal input end of digital terminal sending module, the audio signal output end of digital terminal receiver module is connected with the audio signal input end of first protocol conversion module, and the audio signal output end of first protocol conversion module is connected with the audio signal input end of audio signal sending module.
Preferably, above-mentioned audio signal is the audio signal of pulse-modulated signal form.
The beneficial effects of the utility model: when audio signal processor of the present utility model is worked, the control signal that control signal receiver module desampler sends, the audio signal that audio signal receiver module desampler sends.When control signal is when extracting the control signal of touch-tone signal, dual-tone multifrequency processing unit in the Logic control module control figure signal processing module detects and extracts touch-tone signal in the described audio signal, also this touch-tone signal is converted to digital signal, and the digital signal sending module sends to switch with this digital signal.When control signal is when extracting the control signal of multi-frequency compelled signal, Multiple Frequency Control processing unit in the Logic control module control figure signal processing module detects and extracts multi-frequency compelled signal in the described audio signal, also this multi-frequency compelled signal is converted to digital signal, and the digital signal sending module sends to switch with this digital signal.Audio signal processor of the present utility model has the dual-tone multifrequency plate of prior art and the function of Multi-Frequency Compelled Board simultaneously, and when being connected with switch, this audio signal processor only need take an interface of switch, therefore, the integrated level of audio signal processor of the present utility model is higher, built-in function is big, under the situation that realizes identical function, can save the interface of switch, help the expansion of switch function.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of first kind of execution mode of the utility model audio signal processor;
Fig. 2 is the structural representation of second kind of execution mode of the utility model audio signal processor;
Fig. 3 is the structural representation of the third execution mode of the utility model audio signal processor.
Embodiment
With the following Examples the utility model is further elaborated:
First kind of execution mode as a kind of audio signal processor of the present utility model as shown in Figure 1, comprising: the control signal receiver module 10 that is used for the control signal of desampler transmission; The audio signal receiver module 20 that is used for the audio signal of desampler transmission; Be used for digital signal processing module 30 that the audio signal that is received is handled; Be used for controlling 30 pairs of Logic control modules that the audio signal that is received is handled 40 of described digital signal processing module according to the control signal that is received; Be used for the result of described digital signal processing module 30 is sent to the digital signal sending module 50 of switch;
The control signal output ends of control signal receiver module 10 is connected with the signal input part of Logic control module 40, the control signal output ends of Logic control module 40 is connected with the signal input end of digital signal processing module 30, the audio signal output end of audio signal receiver module 20 is connected with the audio signal input end of digital signal processing module 30, and the digital signal output end of digital signal processing module 30 is connected with the digital signal input end of digital signal sending module 50.
Wherein, described digital signal processing module 30 comprises: be used for detecting and extract described audio signal touch-tone signal, and this touch-tone signal be converted to the dual-tone multifrequency processing unit 31 of digital signal; Be used for detecting and extract described audio signal multi-frequency compelled signal, and this multi-frequency compelled signal be converted to the Multiple Frequency Control processing unit 32 of digital signal.
Wherein, control signal comprises the control signal of extracting touch-tone signal and the control signal of extracting multi-frequency compelled signal.
Preferably, audio signal is the audio signal of PCM form.
When audio signal processor of the present utility model is worked, the control signal that control signal receiver module 10 desamplers send, the audio signal that audio signal receiver module 20 desamplers send.When control signal is when extracting the control signal of touch-tone signal, dual-tone multifrequency processing unit 31 in the Logic control module 40 control figure signal processing modules 30 detects and extracts touch-tone signal in the described audio signal, also this touch-tone signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.When control signal is when extracting the control signal of multi-frequency compelled signal, Multiple Frequency Control processing unit 32 in the Logic control module 40 control figure signal processing modules 30 detects and extracts multi-frequency compelled signal in the described audio signal, also this multi-frequency compelled signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.
Audio signal processor of the present utility model has the dual-tone multifrequency plate of prior art and the function of Multi-Frequency Compelled Board simultaneously, and this audio signal processor only need take an interface of switch when being connected with switch, therefore, the integrated level of audio signal processor of the present utility model is higher, built-in function is big, under the situation that realizes identical function, can save the interface of switch, help the expansion of switch function.
Second kind of execution mode as a kind of audio signal processor of the present utility model, as shown in Figure 2, except the structure with first kind of execution mode, audio signal processor also comprises: the digital signal receiver module 60 that is used for the digital signal of desampler transmission; Be used for the result of described digital signal processing module 30 is sent to the audio signal sending module 70 of switch;
The digital signal output end of digital signal receiver module 60 is connected with the digital signal input end of digital signal processing module 30; The audio signal output end of digital signal processing module 30 is connected with the audio signal input end of audio signal sending module 70.
Described digital signal processing module 30 also comprises: be used to detect described digital signal, and this digital signal be converted to the audio signal generation unit 33 of audio signal.
Wherein, control signal comprises control signal, the control signal of extracting multi-frequency compelled signal of extracting touch-tone signal and the control signal that produces the audio signal sound.
When audio signal processor of the present utility model is worked, the control signal that control signal receiver module 10 desamplers send, the audio signal that audio signal receiver module 20 desamplers send, the digital signal that digital signal receiver module 60 desamplers send.
When control signal is when extracting the control signal of touch-tone signal, dual-tone multifrequency processing unit 31 in the Logic control module 40 control figure signal processing modules 30 detects and extracts touch-tone signal in the described audio signal, also this touch-tone signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.
When control signal is when extracting the control signal of multi-frequency compelled signal, Multiple Frequency Control processing unit 32 in the Logic control module 40 control figure signal processing modules 30 detects and extracts multi-frequency compelled signal in the described audio signal, also this multi-frequency compelled signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.
When control signal is when producing the control signal of audio signal sound, audio signal generation unit 33 in the Logic control module 40 control figure signal processing modules 30 detects described digital signal, also this digital signal is converted to the audio signal sound, and audio signal sending module 70 sends to switch with this audio signal sound.
Audio signal processor of the present utility model has the function of dual-tone multifrequency plate, Multi-Frequency Compelled Board and the audio signal sound generation plate of prior art simultaneously, and this audio signal processor only need take an interface of switch when being connected with switch, therefore, this audio signal processor has further improved integrated level, increased built-in function, under the situation that realizes identical function, can save the interface of switch, help the expansion of switch function.
The third execution mode as a kind of audio signal processor of the present utility model, as shown in Figure 3, except the structure with second kind of execution mode, audio signal processor also comprises: the digital terminal receiver module 80 that is used to receive the control signaling and the audio signal of digital terminal; Be used for the control signaling of the digital terminal that will be received and first signaling transfer module 81 that audio signal is carried out the signaling conversion; Be used for first protocol conversion module 87 that the audio signal that described digital terminal receiver module 80 receives is carried out protocol conversion; Be used for the control signal after described first signaling transfer module, the 81 signalings conversion is sent to the signaling sending module 82 of switch; Be used for the signaling that described control signal receiver module 10 receives is carried out second signaling transfer module 83 that signaling is changed; Be used for second protocol conversion module 86 that the audio signal that described audio signal receiver module 20 receives is carried out protocol conversion; Be used for the audio signal after control signal after 83 conversions of described second signaling transfer module and 86 conversions of described second protocol conversion module is sent to digital terminal sending module 85.The audio signal that audio signal sending module 70 receives described digital terminal receiver module 80 sends to switch;
The signaling output of digital terminal receiver module 80 is connected with the signaling input of first signaling transfer module 81, the signaling output of first signaling transfer module 81 is connected with signaling sending module 82, the signaling output of control signal receiver module 10 is connected with the signaling input of second signaling transfer module 83, the signaling output of second signaling transfer module 83 is connected with the signaling input of digital terminal sending module 85, the audio signal output end of audio signal receiver module 20 is connected with the audio signal input end of second protocol conversion module 86, the audio signal output end of second protocol conversion module 86 is connected with the audio signal input end of digital terminal sending module 85, the audio signal output end of digital terminal receiver module 80 is connected with the audio signal input end of first protocol conversion module 87, and the audio signal output end of first protocol conversion module 87 is connected with the audio signal input end of audio signal sending module 70.
Wherein, control signal comprises the control signal of extracting touch-tone signal, the control signal of extracting multi-frequency compelled signal, the control signal that produces the audio signal sound and the control signal of digital terminal information exchange.
Because the digital terminal transmission is different with the agreement of the signal of switch with the signal that receives usually, therefore, audio signal processor need carry out protocol conversion and signaling conversion to audio signal and control signal.
When audio signal processor of the present utility model is worked, the control signal that control signal receiver module 10 desamplers send, the audio signal that audio signal receiver module 20 desamplers send, the digital signal that digital signal receiver module 60 desamplers send.Digital terminal receiver module 80 receives the control signaling and the audio signal of digital terminal.
When control signal is when extracting the control signal of touch-tone signal, dual-tone multifrequency processing unit 31 in the Logic control module 40 control figure signal processing modules 30 detects and extracts touch-tone signal in the described audio signal, also this touch-tone signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.When control signal is when extracting the control signal of multi-frequency compelled signal, Multiple Frequency Control processing unit 32 in the Logic control module 40 control figure signal processing modules 30 detects and extracts multi-frequency compelled signal in the described audio signal, also this multi-frequency compelled signal is converted to digital signal, and digital signal sending module 50 sends to switch with this digital signal.When control signal is when producing the control signal of audio signal sound, audio signal generation unit 33 in the Logic control module 40 control figure signal processing modules 30 detects described digital signal, also this digital signal is converted to the audio signal sound, and audio signal sending module 70 sends to switch with this audio signal sound.
When control signal is the control signal of digital terminal information exchange, first signaling transfer module 81 is carried out the signaling conversion with the control signaling of the digital terminal that received, control signal after signaling sending module 82 is changed described first signaling transfer module, 81 signalings sends to switch, and audio signal sending module 70 sends to switch with the audio signal that described digital terminal receiver module 80 receives; Simultaneously, second signaling transfer module 83 is carried out the signaling conversion with the control signal that described control signal receiver module 10 receives, and the audio signal that control signal after digital terminal sending module 85 is changed described second signaling transfer module 83 and described audio signal receiver module 20 receive sends to digital terminal.
Audio signal processor of the present utility model has the function of dual-tone multifrequency plate, Multi-Frequency Compelled Board, audio signal sound generation plate and the digital subscriber board of prior art simultaneously, and this audio signal processor only need take an interface of switch when being connected with switch, therefore, this audio signal processor has further improved integrated level, increased built-in function, under the situation that realizes identical function, can save the interface of switch, help the expansion of switch function.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (4)
1. an audio signal processor is characterized in that, comprising:
The control signal receiver module that is used for the control signal of desampler transmission;
The audio signal receiver module that is used for the audio signal of desampler transmission;
Be used for digital signal processing module that the audio signal that is received is handled;
Be used for controlling the Logic control module that described digital signal processing module is handled the audio signal that is received according to the control signal that is received;
Be used for the result of described digital signal processing module is sent to the digital signal sending module of switch;
The control signal output ends of control signal receiver module is connected with the signal input part of Logic control module, the control signal output ends of Logic control module is connected with the signal input end of digital signal processing module, the audio signal output end of audio signal receiver module is connected with the audio signal input end of digital signal processing module, and the digital signal output end of digital signal processing module is connected with the digital signal input end of digital signal sending module;
Wherein, described digital signal processing module comprises:
Be used for detecting and extract described audio signal touch-tone signal, and this touch-tone signal be converted to the dual-tone multifrequency processing unit of digital signal;
Be used for detecting and extract described audio signal multi-frequency compelled signal, and this multi-frequency compelled signal be converted to the Multiple Frequency Control processing unit of digital signal.
2. audio signal processor according to claim 1 is characterized in that,
Described audio signal processor also comprises:
The digital signal receiver module that is used for the digital signal of desampler transmission;
Be used for the result of described digital signal processing module is sent to the audio signal sending module of switch;
The digital signal output end of digital signal receiver module is connected with the digital signal input end of digital signal processing module; The audio signal output end of digital signal processing module is connected with the audio signal input end of audio signal sending module;
Described digital signal processing module also comprises:
Be used to detect described digital signal, and this digital signal be converted to the audio signal generation unit of audio signal.
3. audio signal processor according to claim 1 is characterized in that,
Described audio signal processor also comprises:
Be used to receive the digital terminal receiver module of the control signaling and the audio signal of digital terminal;
Be used for first signaling transfer module that the control signaling of the digital terminal that will be received is carried out the signaling conversion;
Be used for first protocol conversion module that the audio signal that described digital terminal receiver module receives is carried out protocol conversion;
Be used for the audio signal after the described first protocol conversion module protocol conversion is sent to the audio signal sending module of switch;
Be used for the control signal after the described first signaling transfer module signaling conversion is sent to the signaling sending module of switch;
Be used for the control signal that described control signal receiver module receives is carried out second signaling transfer module of signaling conversion;
Be used for second protocol conversion module that the audio signal that described audio signal receiver module receives is carried out protocol conversion;
Be used for control signal after described second signaling transfer module conversion and the audio signal after the conversion of described second protocol conversion module are sent to the digital terminal sending module;
The audio signal that the audio signal sending module receives described digital terminal receiver module sends to switch;
The signaling output of digital terminal receiver module is connected with the signaling input of first signaling transfer module, the signaling output of first signaling transfer module is connected with the signaling input of signaling sending module, the signaling output of control signal receiver module is connected with the signaling input of second signaling transfer module, the signaling output of second signaling transfer module is connected with the signaling input of digital terminal sending module, the audio signal output end of audio signal receiver module is connected with the audio signal input end of second protocol conversion module, the audio signal output end of second protocol conversion module is connected with the audio signal input end of digital terminal sending module, the audio signal output end of digital terminal receiver module is connected with the audio signal input end of first protocol conversion module, and the audio signal output end of first protocol conversion module is connected with the audio signal input end of audio signal sending module.
4. audio signal processor according to claim 1 is characterized in that: described audio signal is the audio signal of pulse-modulated signal form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206785402U CN201947286U (en) | 2010-12-24 | 2010-12-24 | Sound signal processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206785402U CN201947286U (en) | 2010-12-24 | 2010-12-24 | Sound signal processing device |
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| CN201947286U true CN201947286U (en) | 2011-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710995A (en) * | 2012-06-11 | 2012-10-03 | 耿直 | Talkback and video data transmitting method based on wireless local area network, and talkback commutator |
| CN102752459A (en) * | 2012-06-28 | 2012-10-24 | 哈尔滨工业大学 | Cordless telephone switchboard for group |
| CN102970445A (en) * | 2012-11-19 | 2013-03-13 | 华为技术有限公司 | Voice communication system and voice communication device thereof |
-
2010
- 2010-12-24 CN CN2010206785402U patent/CN201947286U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710995A (en) * | 2012-06-11 | 2012-10-03 | 耿直 | Talkback and video data transmitting method based on wireless local area network, and talkback commutator |
| CN102710995B (en) * | 2012-06-11 | 2014-08-27 | 耿直 | Talkback and video data transmitting method based on wireless local area network, and talkback commutator |
| CN102752459A (en) * | 2012-06-28 | 2012-10-24 | 哈尔滨工业大学 | Cordless telephone switchboard for group |
| CN102752459B (en) * | 2012-06-28 | 2014-09-03 | 哈尔滨工业大学 | Cordless telephone switchboard for group |
| CN102970445A (en) * | 2012-11-19 | 2013-03-13 | 华为技术有限公司 | Voice communication system and voice communication device thereof |
| CN102970445B (en) * | 2012-11-19 | 2016-08-24 | 华为技术有限公司 | Voice communication system and voice communication assembly thereof |
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Address after: 510663 Guangzhou science and Technology Development Zone, high tech Industrial Development Zone, Guangdong City, south of the first Cloud Road No. 16 Patentee after: GHT Co., Ltd. Patentee after: Anhui Province Electric Power Company Information Communication Branch Address before: 510663 Guangzhou Science City, south of Guangdong City, the first cloud road, No. 16 Patentee before: Guangzhou GHT Communication Co., Ltd. Patentee before: Anhui Province Electric Power Company Information Communication Branch |
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Granted publication date: 20110824 |