CN102707648A - Home theater system and audio automatic equalization configuration method and device thereof - Google Patents
Home theater system and audio automatic equalization configuration method and device thereof Download PDFInfo
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- CN102707648A CN102707648A CN2012101335380A CN201210133538A CN102707648A CN 102707648 A CN102707648 A CN 102707648A CN 2012101335380 A CN2012101335380 A CN 2012101335380A CN 201210133538 A CN201210133538 A CN 201210133538A CN 102707648 A CN102707648 A CN 102707648A
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Abstract
The invention discloses a home theater system and an automatic audio equalization configuration method and a device thereof, wherein the method comprises the following steps: the DSP receives a test control instruction output by the MCU, outputs a test audio signal to the loudspeaker, and the loudspeaker outputs a sound signal to be received by the audio receiver; the DSP receives a sound signal fed back by the audio receiver and outputs a test result to the MCU according to the sound signal; the MCU outputs the test result to the video coding chip MPEG for storage; the MPEG calculates the configuration parameter value of the loudspeaker according to the test result and outputs the configuration parameter value to the MCU; and the MCU outputs a configuration control instruction to the DSP according to the configuration parameter value, and controls the DSP to configure the loudspeaker. The invention utilizes the characteristics of powerful function, convenient upgrading and large available storage space of the MPEG chip to transfer a large amount of fussy test result storage and configuration parameter value calculation work to the MPEG, reduces the burden for the MCU, and effectively improves the calculation speed and the system stability.
Description
Technical field
The present invention relates to multimedia technology field, specially refer to household audio and video system and audio frequency automatic equalization collocation method and device.
Background technology
Along with Development of Multimedia Technology, HTS (home theater system, household audio and video system) has progressed into the ordinary family user, for the numerous consumer groups bring different seeing and hearing enjoyment.In order to reach best audio visual effect, people tend to thorough EQ to HTS (Equalizer, balanced device) and are provided with, through adjustment repeatedly to EQ, and the best audio visual effect of subjective judgement current location.But because traditional audio balance method of adjustment needs the user to carry out manual adjustments repeatedly, workload is big and loaded down with trivial details, and user's subjectivity is strong in addition, and the audio visual effect after the manual adjustment not necessarily can satisfy other members' of family demand.
At present, many HTS produce the developer and have introduced ROOM EQ (REQ room equalizer) technology, can obtain best audio visual effect through the automatic test to audio-frequency index.But; The realization of ROOM EQ will relate to the storage and the calculating of substantive test data; This will certainly be to the script storage space with regard to very limited MCU (Micro Control Unit; Microcontroller) causes great load, will have influence on system resource scheduling and the storage space of whole HTS when serious, even cause system crash.
Summary of the invention
Fundamental purpose of the present invention is that a kind of little household audio and video system and audio frequency automatic equalization collocation method and device of resource influence to system MCU is provided.
The present invention proposes a kind of household audio and video system audio frequency automatic equalization collocation method, comprises step:
Digital signal processor DSP receives the test steering order of microcontroller MCU output, and the output test audio signal is to the loudspeaker of household audio and video system HIS, supplies said loudspeaker output sound signal and is received by the audio receiver of said HIS;
Said DSP receives the voice signal of said audio receiver feedback, and outputs test results to said MCU according to said voice signal;
Said MCU exports said test result and stores to video coding chip MPEG;
Said MPEG calculates the configuration parameter value of said loudspeaker according to said test result, and exports said configuration parameter value to said MCU;
Said MCU is according to said configuration parameter value, and output configuration steering order is controlled said DSP and disposed said loudspeaker to said DSP.
Preferably, said DSP receives the voice signal of said audio receiver feedback, and specifically comprises according to the step that said voice signal outputs test results to said MCU:
Said DSP receives the voice signal of said audio receiver feedback;
Said DSP confirms the distance between said loudspeaker and the audio receiver according to the said feedback sound delay of signals time; According to the volume of said feedback sound signal, confirm the volume value of said loudspeaker; According to the frequency of said feedback sound signal, confirm the frequency compensation value of said loudspeaker;
Said DSP exports said distance, volume value and frequency compensation value to said MCU.
Preferably, also comprise before the step of the test steering order of said digital signal processor DSP reception microcontroller MCU output:
Said MPEG receives the input instruction of the channel pattern of user's selection, and exports said MCU to;
Said MCU exports the corresponding test steering order of said channel pattern to said DSP.
Preferably, said MCU exports the corresponding test steering order of said channel pattern and to the step of said DSP, also comprises:
Said MCU output initialization directive is controlled said DSP initialization to said DSP.
The present invention also proposes a kind of household audio and video system audio frequency automatic equalization inking device, comprises microcontroller MCU, digital signal processor DSP, video coding chip MPEG,
Said MCU output test steering order is controlled the loudspeaker of said DSP output test audio signal to said household audio and video system HIS to said DSP, supplies said loudspeaker output sound signal and is received by the audio receiver of said HIS; Said DSP receives the voice signal of said audio receiver feedback, and outputs test results to said MCU according to said voice signal; Said MCU exports said test result to said MPEG storage; Said MPEG calculates the configuration parameter value of said loudspeaker according to said test result, and exports said configuration parameter value to said MCU; Said MCU is according to said configuration parameter value, and output configuration steering order is controlled said DSP and disposed said loudspeaker to said DSP.
Preferably, said DSP comprises:
The feedback receiver module is used to receive the voice signal that said audio receiver feeds back;
Testing analysis module is used for confirming the distance between said loudspeaker and the audio receiver according to the said feedback sound delay of signals time; According to the volume of said feedback sound signal, confirm the volume value of said loudspeaker; According to the frequency of said feedback sound signal, confirm the frequency compensation value of said loudspeaker;
Output module is used for exporting said distance, volume value and frequency compensation value to said MCU as a result.
Preferably, said MPEG also is used to receive the input instruction of the channel pattern that the user selects, and exports said MCU to; Said MCU also is used to export the corresponding test steering order of said channel pattern to said DSP.
Preferably, said MCU also is used to export initialization directive to said DSP, controls said DSP initialization.
Preferably, adopt high-speed synchronous serial spi bus agreement to carry out communication between said MCU and the MPEG; Adopt the twin wire serial i between said MCU and the DSP
2The C bus protocol carries out communication.
The present invention also proposes a kind of household audio and video system HIS; Comprise loudspeaker and audio receiver; Also comprise household audio and video system audio frequency automatic equalization inking device; Said household audio and video system audio frequency automatic equalization inking device specifically comprises microcontroller MCU, digital signal processor DSP, video coding chip MPEG
Said MCU output test steering order is controlled the loudspeaker of said DSP output test audio signal to said household audio and video system HIS to said DSP, supplies said loudspeaker output sound signal and is received by the audio receiver of said HIS; Said DSP receives the voice signal of said audio receiver feedback, and outputs test results to said MCU according to said voice signal; Said MCU exports said test result to said MPEG storage; Said MPEG calculates the configuration parameter value of said loudspeaker according to said test result, and exports said configuration parameter value to said MCU; Said MCU is according to said configuration parameter value, and output configuration steering order is controlled said DSP and disposed said loudspeaker to said DSP.
The present invention utilizes powerful, the characteristics convenient, that free memory is big of upgrading of MPEG chip; MPEG is transferred in a large amount of loaded down with trivial details test result storages and configuration parameter value evaluation work; MCU only need for MCU has reduced burden, effectively improve computing velocity and system stability to DSP and MPEG sending controling instruction; Do not need high performance MCU, reduced cost of products.
Description of drawings
Fig. 1 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the first embodiment of the invention;
Fig. 2 is the flow chart of steps of test loudspeaker in the household audio and video system audio frequency automatic equalization collocation method of second embodiment of the invention;
Fig. 3 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the third embodiment of the invention;
Fig. 4 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the fourth embodiment of the invention;
Fig. 5 is the structural representation of household audio and video system audio frequency automatic equalization inking device in the fifth embodiment of the invention;
Fig. 6 is the structural representation of DSP in the household audio and video system audio frequency automatic equalization inking device of sixth embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, Fig. 1 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the first embodiment of the invention, and the household audio and video system audio frequency automatic equalization collocation method that this embodiment mentions comprises:
Step S110, digital signal processor DSP receive the test steering order of microcontroller MCU output, and the output test audio signal is to the loudspeaker of household audio and video system HIS, supply the loudspeaker output sound signal and are received by the audio receiver of HIS;
Step S120, DSP receives the voice signal of audio receiver feedback, and outputs test results to MCU according to voice signal;
Present embodiment is to the test of loudspeaker, comprises that the distance between connection status, loudspeaker and the customer location to loudspeaker, the volume of loudspeaker, the sharp-pointed degree of tone of loudspeaker etc. test.Test result comprises DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value).
Step S130, MCU output test results to video coding chip MPEG storage;
In the present embodiment, owing to comprised mass data in the test result, the free memory of MPEG chip is very big, enough stores the test result data that DSP produces, for MCU has reduced burden.Simultaneously, because MPEG chip itself Already among the HTS, can not increase storage chip, effectively practiced thrift cost of products.
Step S140, MPEG calculate the configuration parameter value of loudspeaker according to test result, and the output configuration parameter value is to MCU;
Present embodiment need be used a large amount of test result data when calculating configuration parameter value, workload is very big; And the MPEG chip functions is powerful, and upgrading is convenient, loaded down with trivial details evaluation work is transferred to the MPEG chip do; Not only improve computing velocity, and effectively improved the stability of system.After accomplishing once test, MPEG is saved in current test result in the built-in flash memory, wherein; Flash memory is altogether 8 passages; Each passage is divided into three types: FREQ (frequency compensation value), EQ (equilibrium value), GAIN (sharpness), every type of 11 groups of data, 4 bytes of every group of data.In the time need being configured parameter value calculation at every turn; Divide 4 to take turns 4 bytes of every group, every left avertence of taking turns is moved 8 and addition successively, is combined into one 32 shaping a; The shaping a that obtains is carried out logarithmic function calculate, just can obtain the configuration parameter value of this loudspeaker.
The configuration parameter value of present embodiment comprises Delay (delay) value, Trim (volume correction) value, EQ (equilibrium) value.Present embodiment is through the MPEG storage and calculate the data of all DSP tests, has reduced the burden of MCU, has practiced thrift the cost that increases storage chip, has effectively improved computing velocity and system stability.Even one or several loudspeaker is not opened or when not connecting therein; Or some therein or several loudspeakers are can't operate as normal the time, and MPEG all can calculate configuration parameter value according to the quantity and the position of the loudspeaker that has connected; The loudspeaker that adjustment has connected is to improve user's audiovisual impression.Need to prove that when the computing ability of MCU was enough strong, the evaluation work of configuration parameter value also can be transferred to MCU and accomplish, MPEG only carries out store operational.
Step S150, MCU are according to configuration parameter value, and output configuration steering order is to DSP, and control DSP disposes loudspeaker.
In the present embodiment, carry configuration parameter value in the configuration steering order that MCU sends, DSP is according to parameters such as the delay of the configuration steering order configuration loudspeaker that receives, volume, equilibriums, and then accomplishes the balanced layoutprocedure of whole household audio and video system.
The embodiment of the invention is transferred to MPEG with loaded down with trivial details in a large number test results storage and configuration parameter value evaluation work; And MCU only is used to handle some simple, necessary work; For example control DSP and test and dispose loudspeaker, reduced the burden of MCU, effectively improved the stability of system.
As shown in Figure 2, Fig. 2 is the flow chart of steps of test loudspeaker in the household audio and video system audio frequency automatic equalization collocation method of second embodiment of the invention.Wherein, the step S120 in the foregoing description specifically comprises:
Step S121, DSP receives the voice signal of audio receiver feedback;
Step S122, DSP confirm the distance between loudspeaker and the audio receiver according to the feedback sound delay of signals time; According to the volume of feedback sound signal, confirm the volume value of loudspeaker; According to the frequency of feedback sound signal, confirm the frequency compensation value of loudspeaker;
Step S123, DSP will export MCU to apart from, volume value and frequency compensation value.
The loudspeaker of present embodiment can be Music centre loudspeaker, and audio receiver can be the receiving trap of band microphone, and wherein, audio receiver is positioned over the user position, is used to receive the voice signal of loudspeaker output.Present embodiment obtains DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value) through the volume of the distance between connection status, loudspeaker and the customer location of loudspeaker, loudspeaker, the sharp-pointed degree of tone of loudspeaker etc. are tested after analyzing and processing.For example, from each loudspeaker output, arrive the time delay between the audio receiver feedback sound signal through the test sound tone signal; Can obtain each loudspeaker respectively and the distance between the customer location; Follow-up MPEG can be provided with the time delay of loudspeaker according to the distance between each loudspeaker and the customer location when calculating; Each loudspeaker is postponed synchronously, to realize best audio.
As shown in Figure 3, Fig. 3 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the third embodiment of the invention.
Step S210, MPEG receive the input instruction of the channel pattern of user's selection, export MCU to;
Wherein, the user comprises the room of simulation 2.0channel, 2.1channel, 3.1channel, 5.1channel through user interface SELCH pattern, notifies MCU to get into through the input instruction of channel pattern and carries out the EQ test in the selected channel pattern.
Step S220, the test steering order of MCU output channel pattern correspondence is to DSP;
Wherein, MCU exports different test steering orders according to the different channel patterns that the user selects.
Step S230, digital signal processor DSP receive the test steering order of microcontroller MCU output, and the output test audio signal is to the loudspeaker of household audio and video system HIS, supply the loudspeaker output sound signal and are received by the audio receiver of HIS;
Step S240, DSP receives the voice signal of audio receiver feedback, and outputs test results to MCU according to voice signal;
Step S250, MCU output test results to video coding chip MPEG storage;
Step S260, MPEG calculate the configuration parameter value of loudspeaker according to test result, and the output configuration parameter value is to MCU;
Step S270, MCU are according to configuration parameter value, and output configuration steering order is to DSP, and control DSP disposes loudspeaker.
Wherein, the implementation procedure of step S230-S270 is identical with step S110-S150 in the foregoing description, and the description of details parameter the foregoing description is repeated no more at this.
In the present embodiment, the user notifies MCU to get into through the input instruction of channel pattern and carries out the EQ test in the selected channel pattern through user interface SELCH pattern.Present embodiment can be selected corresponding channel pattern according to the number of loudspeakers of the actual connection of HIS, to realize the best configuration to loudspeaker.
As shown in Figure 4, Fig. 4 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in the fourth embodiment of the invention.
Step S310, MPEG receive the input instruction of the channel pattern of user's selection, export MCU to;
Step S320, MCU output initialization directive is controlled the DSP initialization to DSP;
Wherein, before each test, DSP will once be restarted, to realize the initialization of MCU to DSP.Initialization procedure also comprises the zero clearing of the preceding stored configuration parameters value of DSP.
Step S330, the test steering order of MCU output channel pattern correspondence is to DSP;
Step S340, digital signal processor DSP receive the test steering order of microcontroller MCU output, and the output test audio signal is to the loudspeaker of household audio and video system HIS, supply the loudspeaker output sound signal and are received by the audio receiver of HIS;
Step S350, DSP receives the voice signal of audio receiver feedback, and outputs test results to MCU according to voice signal;
Step S360, MCU output test results to video coding chip MPEG storage;
Step S370, MPEG calculate the configuration parameter value of loudspeaker according to test result, and the output configuration parameter value is to MCU;
Step S380, MCU are according to configuration parameter value, and output configuration steering order is to DSP, and control DSP disposes loudspeaker.
Wherein, the implementation procedure of step S310, S330-S380 is identical with step S210-S270 in the foregoing description, and the description of details parameter the foregoing description is repeated no more at this.
Present embodiment is after test is accomplished, and MCU is loaded into DSP with up-to-date configuration parameter value, makes the loudspeaker of DSP configuration be applicable to user's current location, makes the user can obtain best audio visual effect, improves user experience.
As shown in Figure 5, Fig. 5 is the structural representation of household audio and video system audio frequency automatic equalization inking device in the fifth embodiment of the invention.
The household audio and video system audio frequency automatic equalization inking device 100 that this embodiment mentions comprises microcontroller MCU 10, digital signal processor DSP 20, video coding chip MPEG 30.
Wherein, MCU 10 output test steering orders are to DSP 20, and control DSP 20 output test audio signal are to the loudspeaker 40 of household audio and video system HIS, supply loudspeaker 40 output sound signals and are received by the audio receiver 50 of HIS;
Adopt high-speed synchronous serial spi bus agreement to carry out communication between the MCU 10 of present embodiment and the MPEG 30; Adopt the twin wire serial i between MCU 10 and the DSP 20
2The C bus protocol carries out communication.
When test, audio receiver 50 is positioned over the user position, be used to receive the voice signal of loudspeaker 40 outputs.The test of loudspeaker 40 is comprised that the distance between connection status, loudspeaker 40 and the customer location to loudspeaker 40, the volume of loudspeaker 40, the sharp-pointed degree of tone of loudspeaker 40 etc. test.Test result comprises DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value).Because comprised mass data in the test result, the free memory of MPEG 30 chips is very big, enough store the test result data that DSP 20 produces, for MCU 10 has reduced burden.Simultaneously, because MPEG 30 chips itself Already among the HTS, can not increase storage chip, effectively practiced thrift cost of products.
When calculating configuration parameter value, need use a large amount of test result data, and MPEG 30 chip functions are powerful; Upgrading is convenient; Loaded down with trivial details evaluation work is transferred to MPEG 30 chips do, not only improved computing velocity, and effectively improved the stability of system.After accomplishing once test, MPEG 30 is saved in current test result in the flash memory, wherein; Flash memory is altogether 8 passages; Each passage is divided into three types: FREQ (frequency compensation value), EQ (equilibrium value), GAIN (sharpness), every type of 11 groups of data, 4 bytes of every group of data.In the time need being configured parameter value calculation at every turn; Divide 4 to take turns 4 bytes of every group, every left avertence of taking turns is moved 8 and addition successively, is combined into one 32 shaping a; The shaping a that obtains is carried out logarithmic function calculate, just can obtain the configuration parameter value of this loudspeaker.The configuration parameter value of present embodiment comprises Delay (delay) value, Trim (volume correction) value, EQ (equilibrium) value.Present embodiment is through MPEG 30 storages and calculate the data of all DSP 20 tests, has reduced the burden of MCU 10, has practiced thrift the cost that increases storage chip, has effectively improved computing velocity and system stability.Even one or several loudspeaker 40 is not opened or when not connecting therein; Or some therein or several loudspeakers 40 are can't operate as normal the time; MPEG 30 all can be according to the quantity and the position of the loudspeaker that has connected 40; Calculate configuration parameter value, the loudspeaker 40 that adjustment has connected is to improve user's audiovisual impression.In addition, when the computing ability of MCU 10 was enough strong, the evaluation work of configuration parameter value also can be transferred to MCU 10 and accomplish, and 30 of MPEG carry out store operational.
Present embodiment is transferred to MPEG 30 with loaded down with trivial details in a large number test results storage and configuration parameter value evaluation work; And 10 of MCU are used to handle some simple, necessary work; For example control DSP 20 and test and dispose loudspeaker 40; Reduce the burden of MCU 10, effectively improved the stability of system.
In the embodiment of the invention, MPEG 30 also is used to receive the input instruction of the channel pattern that the user selects, and exports MCU 10 to; MCU 10 also is used for the corresponding test steering order of output channel pattern to DSP20.
In addition; The user can also pass through user interface SELCH pattern; The room that comprises simulation 2.0channel, 2.1channel, 3.1channel, 5.1channel is notified MCU 10 to get into through the input instruction of channel pattern and is carried out the EQ test in the selected channel pattern.Present embodiment can be selected corresponding channel pattern according to loudspeaker 40 quantity of the actual connection of HIS, to realize the best configuration to loudspeaker 40.
In the embodiment of the invention, MCU 10 also is used to export initialization directive to DSP 20, control DSP 20 initialization.
Before each test, DSP 20 will once be restarted, to realize the initialization of 10 couples of DSP 20 of MCU.Initialization procedure also comprises the 20 preceding stored configuration parameters value zero clearings to DSP; After test is accomplished; MCU 10 is loaded into DSP 20 with up-to-date configuration parameter value; Make the loudspeaker of DSP 20 configurations be applicable to user's current location, make the user can obtain best audio visual effect, improve user experience.
As shown in Figure 6, Fig. 6 is the structural representation of the household audio and video system audio frequency automatic equalization inking device of sixth embodiment of the invention.
In household audio and video system audio frequency automatic equalization inking device 100; Comprise microcontroller MCU 10, digital signal processor DSP 20, video coding chip MPEG 30; MCU 10 control DSP 20 output test audio signal are to the loudspeaker 40 of household audio and video system HIS; Loudspeaker 40 output sound signals feed back to DSP 20 after the audio receiver 50 of HIS receives voice signal.
Wherein, DSP 20 comprises:
The loudspeaker 40 of present embodiment can be Music centre loudspeaker, and audio receiver 50 can be the receiving trap of band microphone, and audio receiver 50 is positioned over the user position.Present embodiment obtains DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value) through the volume of the distance between connection status, loudspeaker 40 and the customer location of loudspeaker 40, loudspeaker 40, the sharp-pointed degree of tone of loudspeaker 40 etc. are tested after analyzing and processing.For example, through testing each loudspeaker 40 output sound signals, to the time delay between the audio receiver 50 feedback sound signals; Can obtain each loudspeaker 40 respectively and the distance between the customer location; Follow-up MPEG 30 can be provided with the time delay of loudspeaker 40 according to the distance between each loudspeaker 40 and the customer location when calculating; Each loudspeaker 40 is postponed synchronously, to realize best audio.
The present invention also proposes a kind of household audio and video system HIS, comprises loudspeaker 40 and audio receiver 50, also comprises household audio and video system audio frequency automatic equalization inking device 100, and household audio and video system audio frequency automatic equalization inking device 100 specifically comprises:
Household audio and video system audio frequency automatic equalization inking device 100 among the household audio and video system HIS of the present invention can comprise earlier figures 5 with embodiment illustrated in fig. 6 in all technical schemes; Its detailed structure and audio-frequency test and balanced configuration principle can not given unnecessary details at this with reference to previous embodiment.Since adopt the scheme of aforementioned household audio and video system audio frequency automatic equalization inking device 100, the existing relatively HIS of household audio and video system HIS of the present invention, the audio balance configuration speed is faster, and system is more stable.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a household audio and video system audio frequency automatic equalization collocation method is characterized in that, comprises step:
Digital signal processor DSP receives the test steering order of microcontroller MCU output, and the output test audio signal is to the loudspeaker of household audio and video system HIS, supplies said loudspeaker output sound signal and is received by the audio receiver of said HIS;
Said DSP receives the voice signal of said audio receiver feedback, and outputs test results to said MCU according to said voice signal;
Said MCU exports said test result and stores to video coding chip MPEG;
Said MPEG calculates the configuration parameter value of said loudspeaker according to said test result, and exports said configuration parameter value to said MCU;
Said MCU is according to said configuration parameter value, and output configuration steering order is controlled said DSP and disposed said loudspeaker to said DSP.
2. household audio and video system audio frequency automatic equalization collocation method according to claim 1; It is characterized in that; Said DSP receives the voice signal of said audio receiver feedback, and specifically comprises according to the step that said voice signal outputs test results to said MCU:
Said DSP receives the voice signal of said audio receiver feedback;
Said DSP confirms the distance between said loudspeaker and the audio receiver according to the said feedback sound delay of signals time; According to the volume of said feedback sound signal, confirm the volume value of said loudspeaker; According to the frequency of said feedback sound signal, confirm the frequency compensation value of said loudspeaker;
Said DSP exports said distance, volume value and frequency compensation value to said MCU.
3. household audio and video system audio frequency automatic equalization collocation method according to claim 1 is characterized in that, the step that said digital signal processor DSP receives the test steering order of microcontroller MCU output also comprises before:
Said MPEG receives the input instruction of the channel pattern of user's selection, and exports said MCU to;
Said MCU exports the corresponding test steering order of said channel pattern to said DSP.
4. want 3 described household audio and video system audio frequency automatic equalization collocation methods according to right, it is characterized in that, said MCU exports the corresponding test steering order of said channel pattern and to the step of said DSP, also comprises:
Said MCU output initialization directive is controlled said DSP initialization to said DSP.
5. a household audio and video system audio frequency automatic equalization inking device is characterized in that, comprises microcontroller MCU, digital signal processor DSP, video coding chip MPEG,
Said MCU output test steering order is controlled the loudspeaker of said DSP output test audio signal to said household audio and video system HIS to said DSP, supplies said loudspeaker output sound signal and is received by the audio receiver of said HIS; Said DSP receives the voice signal of said audio receiver feedback, and outputs test results to said MCU according to said voice signal; Said MCU exports said test result to said MPEG storage; Said MPEG calculates the configuration parameter value of said loudspeaker according to said test result, and exports said configuration parameter value to said MCU; Said MCU is according to said configuration parameter value, and output configuration steering order is controlled said DSP and disposed said loudspeaker to said DSP.
6. household audio and video system audio frequency automatic equalization inking device according to claim 5 is characterized in that said DSP comprises:
The feedback receiver module is used to receive the voice signal that said audio receiver feeds back;
Testing analysis module is used for confirming the distance between said loudspeaker and the audio receiver according to the said feedback sound delay of signals time; According to the volume of said feedback sound signal, confirm the volume value of said loudspeaker; According to the frequency of said feedback sound signal, confirm the frequency compensation value of said loudspeaker;
Output module is used for exporting said distance, volume value and frequency compensation value to said MCU as a result.
7. household audio and video system audio frequency automatic equalization inking device according to claim 5 is characterized in that, said MPEG also is used to receive the input instruction of the channel pattern that the user selects, and exports said MCU to; Said MCU also is used to export the corresponding test steering order of said channel pattern to said DSP.
8. household audio and video system audio frequency automatic equalization inking device according to claim 7 is characterized in that, said MCU also is used to export initialization directive to said DSP, controls said DSP initialization.
9. according to each described household audio and video system audio frequency automatic equalization inking device of claim 5 to 8, it is characterized in that, adopt high-speed synchronous serial spi bus agreement to carry out communication between said MCU and the MPEG; Adopt the twin wire serial i between said MCU and the DSP
2The C bus protocol carries out communication.
10. a household audio and video system HIS comprises loudspeaker and audio receiver, it is characterized in that, also comprises like each described household audio and video system audio frequency automatic equalization inking device of claim 5 to 9.
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| CN109429143A (en) * | 2017-08-30 | 2019-03-05 | 安波福电子(苏州)有限公司 | A kind of acoustics Automatic adjustment method and acoustic treater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6704421B1 (en) * | 1997-07-24 | 2004-03-09 | Ati Technologies, Inc. | Automatic multichannel equalization control system for a multimedia computer |
| CN201185005Y (en) * | 2008-02-29 | 2009-01-21 | 何欢潮 | Digital cinema audio processor |
| CN101827236A (en) * | 2010-04-07 | 2010-09-08 | 深圳创维－Rgb电子有限公司 | Sound accompaniment output control method, sound equalizer and audio play equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101137250B (en) * | 2007-10-08 | 2012-08-29 | 广东好帮手电子科技股份有限公司 | Vehicle-mounted acoustics self-adaptive sound field regulating method and device |
-
2012
- 2012-04-28 CN CN201210133538.0A patent/CN102707648B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6704421B1 (en) * | 1997-07-24 | 2004-03-09 | Ati Technologies, Inc. | Automatic multichannel equalization control system for a multimedia computer |
| CN201185005Y (en) * | 2008-02-29 | 2009-01-21 | 何欢潮 | Digital cinema audio processor |
| CN101827236A (en) * | 2010-04-07 | 2010-09-08 | 深圳创维－Rgb电子有限公司 | Sound accompaniment output control method, sound equalizer and audio play equipment |
Non-Patent Citations (1)
| Title |
|---|
| 汪斌，等: "MPEG2解码系统集成芯片音频处理存储优化策略", 《电路与系统学报》, vol. 10, no. 6, 30 December 2005 (2005-12-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429143A (en) * | 2017-08-30 | 2019-03-05 | 安波福电子(苏州)有限公司 | A kind of acoustics Automatic adjustment method and acoustic treater |
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