CN102707648B - 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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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, be related specifically to household audio and video system and audio frequency automatic equalization collocation method thereof and device.
Background technology
Along with the development of multimedia technology, HTS (home theater system, household audio and video system) progresses into ordinary family user, for the numerous consumer groups bring different seeing and hearing enjoyment.In order to reach best audio visual effect, the people often thorough EQ to HTS (Equalizer, balanced device) are arranged, by the adjustment repeatedly to EQ, and the best audio visual effect of subjective judgement current location.But due to the manual adjustments that traditional audio balance method of adjustment needs user to carry out repeatedly, workload is large and loaded down with trivial details, user's subjectivity is strong in addition, and the audio visual effect manually after adjustment not necessarily can meet the demand of other members of family.
At present, many HTS production development business introduce ROOM EQ (REQ room equalizer) technology, by the automatic test to audio-frequency index, can obtain best audio visual effect.But, the realization of ROOM EQ will relate to storage and the calculating of a large amount of test data, this will certainly to script storage space with regard to very limited MCU (Micro Control Unit, microcontroller) cause great load, system resource scheduling and the storage space of whole HTS will be had influence on time serious, even cause system crash.
Summary of the invention
Fundamental purpose of the present invention is for providing a kind of household audio and video system little to the real estate impact of system MCU and audio frequency automatic equalization collocation method thereof and device.
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 testing and control instruction that microcontroller exports, and exports the loudspeaker of test audio signal to household audio and video system HTS, supplies described loudspeaker output sound signal and received by the audio receiver of described household audio and video system HTS;
Described DSP receives the voice signal of described audio receiver feedback, and outputs test results to described MCU according to described voice signal;
Described MCU exports described test result and stores to video coding chip MPEG;
Described MPEG, according to described test result, calculates the configuration parameter value of described loudspeaker, and exports described configuration parameter value to described MCU;
Described MCU, according to described configuration parameter value, exports configuration steering order to described DSP, controls described DSP and configure described loudspeaker.
Preferably, described DSP receives the voice signal of described audio receiver feedback, and specifically comprises according to the step that described voice signal outputs test results to described MCU:
Described DSP receives the voice signal of described audio receiver feedback;
Described DSP, according to the time delay of described feedback sound signal, determines the distance between described loudspeaker and audio receiver; According to the volume of described feedback sound signal, determine the volume value of described loudspeaker; According to the frequency of described feedback sound signal, determine the frequency compensation value of described loudspeaker;
Described DSP exports described distance, volume value and frequency compensation value to described MCU.
Preferably, described digital signal processor DSP also comprises before receiving the step of the testing and control instruction that microcontroller exports:
Described MPEG receives the input instruction of the channel pattern that user selects, and exports described MCU to;
Described MCU exports testing and control instruction corresponding to described channel pattern to described DSP.
Preferably, described MCU export testing and control instruction corresponding to described channel pattern to described DSP step before also comprise:
Described MCU exports initialization directive to described DSP, controls described DSP initialization.
The present invention also proposes a kind of household audio and video system audio frequency automatic equalization inking device, comprises microcontroller, digital signal processor DSP, video coding chip MPEG,
Described MCU exports testing and control instruction to described DSP, controls described DSP and exports the loudspeaker of test audio signal to described household audio and video system HTS, supply described loudspeaker output sound signal and received by the audio receiver of described household audio and video system HTS; Described DSP receives the voice signal of described audio receiver feedback, and outputs test results to described MCU according to described voice signal; Described MCU exports described test result and stores to described MPEG; Described MPEG, according to described test result, calculates the configuration parameter value of described loudspeaker, and exports described configuration parameter value to described MCU; Described MCU, according to described configuration parameter value, exports configuration steering order to described DSP, controls described DSP and configure described loudspeaker.
Preferably, described DSP comprises:
Feedback receive module, for receiving the voice signal of described audio receiver feedback;
Testing analysis module, for the time delay according to described feedback sound signal, determines the distance between described loudspeaker and audio receiver; According to the volume of described feedback sound signal, determine the volume value of described loudspeaker; According to the frequency of described feedback sound signal, determine the frequency compensation value of described loudspeaker;
Result output module, for exporting described distance, volume value and frequency compensation value to described MCU.
Preferably, described MPEG also for receiving the input instruction of the channel pattern that user selects, and exports described MCU to; Described MCU is also for exporting testing and control instruction corresponding to described channel pattern to described DSP.
Preferably, described MCU also for exporting initialization directive to described DSP, controls described DSP initialization.
Preferably, high-speed synchronous serial spi bus agreement is adopted to carry out communication between described MCU and MPEG; Twin wire serial i is adopted between described MCU and DSP
2c bus protocol carries out communication.
The present invention also proposes a kind of household audio and video system HTS, comprise loudspeaker and audio receiver, also comprise household audio and video system audio frequency automatic equalization inking device, described household audio and video system audio frequency automatic equalization inking device specifically comprises microcontroller, digital signal processor DSP, video coding chip MPEG
Described MCU exports testing and control instruction to described DSP, controls described DSP and exports the loudspeaker of test audio signal to described household audio and video system HTS, supply described loudspeaker output sound signal and received by the audio receiver of described household audio and video system HTS; Described DSP receives the voice signal of described audio receiver feedback, and outputs test results to described MCU according to described voice signal; Described MCU exports described test result and stores to described MPEG; Described MPEG, according to described test result, calculates the configuration parameter value of described loudspeaker, and exports described configuration parameter value to described MCU; Described MCU, according to described configuration parameter value, exports configuration steering order to described DSP, controls described DSP and configure described loudspeaker.
The present invention utilizes powerful, the feature convenient, free memory is large of upgrading of MPEG chip, MPEG is transferred in test result loaded down with trivial details in a large number storage and configuration parameter value evaluation work, MCU only needs to DSP and MPEG sending controling instruction, for MCU decreases burden, effectively improve computing velocity and system stability, do not need high performance MCU, reduce cost of products.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of household audio and video system audio frequency automatic equalization collocation method in 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 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 fourth embodiment of the invention;
Fig. 5 is the structural representation of household audio and video system audio frequency automatic equalization inking device in 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 in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit 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 first embodiment of the invention, and the household audio and video system audio frequency automatic equalization collocation method that this embodiment is mentioned comprises:
Step S110, digital signal processor DSP receives the testing and control instruction that microcontroller exports, and exports test audio signal to the loudspeaker of household audio and video system HTS, receives for loudspeaker output sound signal and by the audio receiver of household audio and video system HTS;
The voice signal of step S120, DSP audio reception receiver feedback, and output test results to MCU according to voice signal;
The present embodiment, to the test of loudspeaker, comprises the connection status to loudspeaker, the distance between loudspeaker and customer location, the volume of loudspeaker, the tone acuity etc. of loudspeaker tests.Test result comprises DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value).
Step S130, MCU output test results to video coding chip MPEG and store;
In the present embodiment, owing to containing mass data in test result, the free memory of MPEG chip is very large, enough stores the test result data that DSP produces, for MCU decreases burden.Meanwhile, due in MPEG chip itself Already in HTS, can not storage chip be increased, effectively save cost of products.
Step S140, MPEG, according to test result, calculate the configuration parameter value of loudspeaker, and export configuration parameter value to MCU;
The present embodiment is when calculating configuration parameter value, and need to use a large amount of test result data, workload is very big, and MPEG chip functions is powerful, upgrading is convenient, transfers to MPEG chip to do loaded down with trivial details evaluation work, not only increase computing velocity, and effectively improve the stability of system.After completing once test, current test result is saved in built-in flash memory by MPEG, 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 11 groups of data, often organize data 4 bytes.When needing to be configured parameter value calculation at every turn, divide 4 to take turns often organize 4 bytes, often take turns left avertence and move 8 and be added successively, be combined into the shaping a of 32, the shaping a obtained is carried out logarithmic function calculating, just can obtain the configuration parameter value of this loudspeaker.
The configuration parameter value of the present embodiment comprises Delay (delay) value, Trim (volume correction) value, EQ (equilibrium) value.The present embodiment stores and calculates the data that all DSP test by MPEG, decrease the burden of MCU, has saved the cost increasing storage chip, has effectively improve computing velocity and system stability.Even if when one or several loudspeaker is not opened or does not connect wherein, wherein some or several loudspeaker cannot normally work time, MPEG all can according to the quantity of the loudspeaker connected and position, calculates configuration parameter value, adjust the loudspeaker connected, to improve user's hearing experience.It should be noted that, when the computing ability of MCU is enough strong, the evaluation work of configuration parameter value also can transfer to MCU to come, and MPEG only carries out storage work.
Step S150, MCU are according to configuration parameter value, and export configuration steering order to DSP, control DSP configures loudspeaker.
In the present embodiment, carry configuration parameter value in the configuration steering order that MCU sends, DSP according to the parameter such as delay, volume, equilibrium of the configuration steering order configuration loudspeaker received, and then completes the equilibrium allocation process of whole household audio and video system.
The embodiment of the present invention is stored test result loaded down with trivial details in a large number and configuration parameter value evaluation work transfers to MPEG, and the work that MCU is only simple for the treatment of some, necessary, such as control DSP carries out testing and configures loudspeaker, decreases the burden of MCU, effectively improves 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 above-described embodiment specifically comprises:
The voice signal of step S121, DSP audio reception receiver feedback;
Step S122, DSP, according to the time delay of feedback sound signal, determine the distance between loudspeaker and audio receiver; According to the volume of feedback sound signal, determine the volume value of loudspeaker; According to the frequency of feedback sound signal, determine the frequency compensation value of loudspeaker;
Step S123, DSP will export MCU to apart from, volume value and frequency compensation value.
The loudspeaker of the 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 user position, for receiving the voice signal that loudspeaker exports.The present embodiment, by testing the connection status of loudspeaker, the distance between loudspeaker and customer location, the volume of loudspeaker, the tone acuity etc. of loudspeaker, obtains DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value) after process by analysis.Such as, exported from each loudspeaker by test voice signal, time delay between audio receiver feedback sound signal, the distance of each loudspeaker respectively and between customer location can be obtained, follow-up MPEG, when calculating, according to the distance between each loudspeaker and customer location, can arrange the time delay of loudspeaker, make each loudspeaker delay synchronous, 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 third embodiment of the invention.
Step S210, MPEG receive the input instruction of the channel pattern that user selects, and export MCU to;
Wherein, user, by user interface selector channel pattern, is comprised the room of simulation 2.0channel, 2.1channel, 3.1channel, 5.1channel, is entered in selected channel pattern carry out EQ test by the input instruction notification MCU of channel pattern.
Testing and control instruction corresponding to step S220, MCU output channel pattern is to DSP;
Wherein, MCU exports different testing and control instructions according to the different channel patterns that user selects.
Step S230, digital signal processor DSP receives the testing and control instruction that microcontroller exports, and exports test audio signal to the loudspeaker of household audio and video system HTS, receives for loudspeaker output sound signal and by the audio receiver of household audio and video system HTS;
The voice signal of step S240, DSP audio reception receiver feedback, and output test results to MCU according to voice signal;
Step S250, MCU output test results to video coding chip MPEG and store;
Step S260, MPEG, according to test result, calculate the configuration parameter value of loudspeaker, and export configuration parameter value to MCU;
Step S270, MCU are according to configuration parameter value, and export configuration steering order to DSP, control DSP configures loudspeaker.
Wherein, the implementation procedure of step S230-S270 is identical with the step S110-S150 in above-described embodiment, and the description of details parameter above-described embodiment, does not repeat them here.
In the present embodiment, user, by user interface selector channel pattern, is entered in selected channel pattern by the input instruction notification MCU of channel pattern and carries out EQ test.The present embodiment can select corresponding channel pattern, to realize the best configuration to loudspeaker according to the number of loudspeakers of the actual connection of household audio and video system HTS.
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 fourth embodiment of the invention.
Step S310, MPEG receive the input instruction of the channel pattern that user selects, and export MCU to;
Step S320, MCU export initialization directive to DSP, control DSP initialization;
Wherein, before each test, DSP will once be restarted, to realize the initialization of MCU to DSP.Initialization procedure also comprises the configuration parameter value clearing to once storing before DSP.
Testing and control instruction corresponding to step S330, MCU output channel pattern is to DSP;
Step S340, digital signal processor DSP receives the testing and control instruction that microcontroller exports, and exports test audio signal to the loudspeaker of household audio and video system HTS, receives for loudspeaker output sound signal and by the audio receiver of household audio and video system HTS;
The voice signal of step S350, DSP audio reception receiver feedback, and output test results to MCU according to voice signal;
Step S360, MCU output test results to video coding chip MPEG and store;
Step S370, MPEG, according to test result, calculate the configuration parameter value of loudspeaker, and export configuration parameter value to MCU;
Step S380, MCU are according to configuration parameter value, and export configuration steering order to DSP, control DSP configures loudspeaker.
Wherein, the implementation procedure of step S310, S330-S380 is identical with the step S210-S270 in above-described embodiment, and the description of details parameter above-described embodiment, does not repeat them here.
The present embodiment is after test completes, and up-to-date configuration parameter value is loaded into DSP by MCU, and the loudspeaker that DSP is configured is applicable to user's current location, enables user obtain best audio visual effect, improves Consumer's 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 fifth embodiment of the invention.
The household audio and video system audio frequency automatic equalization inking device 100 that this embodiment is mentioned, comprises microcontroller 10, digital signal processor DSP 20, video coding chip MPEG 30.
Wherein, MCU 10 exports testing and control instruction to DSP 20, and control DSP 20 exports the loudspeaker 40 of test audio signal to household audio and video system HTS, receives for loudspeaker 40 output sound signal and by the audio receiver 50 of household audio and video system HTS;
The voice signal of DSP 20 audio reception receiver 50 feedback, and output test results to MCU 10 according to voice signal;
MCU 10 outputs test results to MPEG 30 and stores;
MPEG 30, according to test result, calculates the configuration parameter value of loudspeaker 40, and exports configuration parameter value to MCU 10;
MCU 10 is according to configuration parameter value, and export configuration steering order to DSP 20, control DSP 20 configures loudspeaker 40.
High-speed synchronous serial spi bus agreement is adopted to carry out communication between the MCU 10 of the present embodiment and MPEG 30; Twin wire serial i is adopted between MCU 10 and DSP 20
2c bus protocol carries out communication.
When testing, audio receiver 50 is positioned over user position, for receiving the voice signal that loudspeaker 40 exports.Connection status to loudspeaker 40 is comprised to the test of loudspeaker 40, the distance between loudspeaker 40 and customer location, the volume of loudspeaker 40, the tone acuity etc. of loudspeaker 40 test.Test result comprises DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value).Owing to containing mass data in test result, the free memory of MPEG 30 chip is very large, enough stores the test result data that DSP 20 produces, for MCU 10 decreases burden.Meanwhile, due in MPEG 30 chip itself Already in HTS, can not storage chip be increased, effectively save cost of products.
When calculating configuration parameter value, need to use a large amount of test result data, and MPEG 30 chip functions is powerful, upgrading is convenient, transferred to by loaded down with trivial details evaluation work MPEG 30 chip to do, not only increase computing velocity, and effectively improve the stability of system.After completing once test, current test result is saved in flash memory by MPEG 30, 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 11 groups of data, often organize data 4 bytes.When needing to be configured parameter value calculation at every turn, divide 4 to take turns often organize 4 bytes, often take turns left avertence and move 8 and be added successively, be combined into the shaping a of 32, the shaping a obtained is carried out logarithmic function calculating, just can obtain the configuration parameter value of this loudspeaker.The configuration parameter value of the present embodiment comprises Delay (delay) value, Trim (volume correction) value, EQ (equilibrium) value.The present embodiment stores and calculates the data of all DSP 20 test by MPEG 30, decreases the burden of MCU 10, has saved the cost increasing storage chip, has effectively improve computing velocity and system stability.Even if when one or several loudspeaker 40 is not opened or does not connect wherein, wherein some or several loudspeaker 40 cannot normally work time, MPEG 30 all can according to the quantity of the loudspeaker 40 connected and position, calculate configuration parameter value, adjust the loudspeaker 40 connected, to improve user's hearing experience.In addition, when the computing ability of MCU 10 is enough strong, the evaluation work of configuration parameter value also can transfer to MCU 10 to come, and MPEG 30 only carries out storage work.
The present embodiment is stored test result loaded down with trivial details in a large number and configuration parameter value evaluation work transfers to mpeg 30, and the work that MCU 10 is only simple for the treatment of some, necessary, such as control DSP 20 carries out testing and configures loudspeaker 40, decrease the burden of MCU 10, effectively improve the stability of system.
In the embodiment of the present invention, MPEG 30 also for receiving the input instruction of the channel pattern that user selects, and exports MCU 10 to; MCU 10 also for testing and control instruction corresponding to output channel pattern to DSP20.
In addition, user can also pass through user interface selector channel pattern, comprise the room of simulation 2.0channel, 2.1channel, 3.1channel, 5.1channel, entered in selected channel pattern by the input instruction notification MCU 10 of channel pattern and carry out EQ test.The present embodiment can select corresponding channel pattern, to realize the best configuration to loudspeaker 40 according to loudspeaker 40 quantity of the actual connection of HTS.
In the embodiment of the present invention, MCU 10 also for exporting initialization directive to DSP 20, control DSP 20 initialization.
Before each test, DSP 20 will once be restarted, to realize the initialization of MCU 10 couples of DSP 20.Initialization procedure also comprises the configuration parameter value clearing to once storing before DSP 20, after test completes, up-to-date configuration parameter value is loaded into DSP 20 by MCU 10, the loudspeaker that DSP 20 is configured is applicable to user's current location, enable user obtain best audio visual effect, improve Consumer's 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 10, digital signal processor DSP 20, video coding chip MPEG 30, MCU 10 control DSP 20 exports the loudspeaker 40 of test audio signal to household audio and video system HTS, loudspeaker 40 output sound signal, feeds back to DSP 20 after the audio receiver 50 of household audio and video system HTS receives voice signal.
Wherein, DSP 20 comprises:
Feedback receive module 21, for the voice signal that audio reception receiver 50 feeds back;
Testing analysis module 22, for the time delay according to feedback sound signal, determines the distance between loudspeaker 40 and audio receiver 50; According to the volume of feedback sound signal, determine the volume value of loudspeaker 40; According to the frequency of feedback sound signal, determine the frequency compensation value of loudspeaker 40;
Result output module 23, for exporting MCU 10 to apart from, volume value and frequency compensation value.
MCU 10 exports above-mentioned test result to MPEG 30 and stores, and calculates and export configuration parameter value to MCU 10 for MPEG 30, configures loudspeaker 40 by MCU 10 control DSP 20.
The loudspeaker 40 of the 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 user position.The present embodiment, by testing the connection status of loudspeaker 40, the distance between loudspeaker 40 and customer location, the volume of loudspeaker 40, the tone acuity etc. of loudspeaker 40, obtains DISTANCE (distance), GAIN (volume sharpness), FREQ (frequency compensation value) after process by analysis.Such as, by testing each loudspeaker 40 output sound signal, time delay between audio receiver 50 feedback sound signal, the distance of each loudspeaker 40 respectively and between customer location can be obtained, follow-up MPEG 30, when calculating, according to the distance between each loudspeaker 40 and customer location, can arrange the time delay of loudspeaker 40, make each loudspeaker 40 Lag synchronization, to realize best audio.
The present invention also proposes a kind of household audio and video system HTS, 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:
Microcontroller 10, digital signal processor DSP 20, video coding chip MPEG 30, MCU 10 exports testing and control instruction to DSP 20, control DSP 20 exports the loudspeaker 40 of test audio signal to household audio and video system HTS, receives for loudspeaker 40 output sound signal and by the audio receiver 50 of household audio and video system HTS; The voice signal of DSP 20 audio reception receiver 50 feedback, and output test results to MCU 10 according to voice signal; MCU 10 outputs test results to MPEG 30 and stores; MPEG 30, according to test result, calculates the configuration parameter value of loudspeaker 40, and exports configuration parameter value to MCU 10; MCU 10 is according to configuration parameter value, and export configuration steering order to DSP 20, control DSP20 configures loudspeaker 40.
Household audio and video system audio frequency automatic equalization inking device 100 in household audio and video system HTS of the present invention can comprise earlier figures 5 and embodiment illustrated in fig. 6 in all technical schemes, its detailed construction and audio-frequency test and equilibrium allocation principle can refer to previous embodiment, and therefore not to repeat here.Owing to adopting the scheme of foregoing home cinema system audio frequency automatic equalization inking device 100, the relatively existing household audio and video system HTS of household audio and video system HTS of the present invention, audio balance configuration speed is faster, and system is more stable.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in 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, comprise step:
Digital signal processor DSP receives the testing and control instruction that microcontroller exports, and exports the loudspeaker of test audio signal to household audio and video system HTS, supplies described loudspeaker output sound signal and received by the audio receiver of described household audio and video system HTS;
Described DSP receives the voice signal of described audio receiver feedback, and outputs test results to described MCU according to described voice signal;
Described MCU exports described test result and stores to video coding chip MPEG;
Described MPEG, according to described test result, calculates the configuration parameter value of described loudspeaker, and exports described configuration parameter value to described MCU;
Described MCU, according to described configuration parameter value, exports configuration steering order to described DSP, controls described DSP and configure described loudspeaker.
2. household audio and video system audio frequency automatic equalization collocation method according to claim 1, it is characterized in that, described DSP receives the voice signal of described audio receiver feedback, and specifically comprises according to the step that described voice signal outputs test results to described MCU:
Described DSP receives the voice signal of described audio receiver feedback;
Described DSP, according to the time delay of described feedback sound signal, determines the distance between described loudspeaker and audio receiver; According to the volume of described feedback sound signal, determine the volume value of described loudspeaker; According to the frequency of described feedback sound signal, determine the frequency compensation value of described loudspeaker;
Described DSP exports described distance, volume value and frequency compensation value to described MCU.
3. household audio and video system audio frequency automatic equalization collocation method according to claim 1, is characterized in that, described digital signal processor DSP also comprises before receiving the step of the testing and control instruction that microcontroller exports:
Described MPEG receives the input instruction of the channel pattern that user selects, and exports described MCU to;
Described MCU exports testing and control instruction corresponding to described channel pattern to described DSP.
4. household audio and video system audio frequency automatic equalization collocation method according to claim 3, is characterized in that, described MCU export testing and control instruction corresponding to described channel pattern to described DSP step before also comprise:
Described MCU exports initialization directive to described DSP, controls described DSP initialization.
5. a household audio and video system audio frequency automatic equalization inking device, is characterized in that, comprises microcontroller, digital signal processor DSP, video coding chip MPEG,
Described MCU exports testing and control instruction to described DSP, controls described DSP and exports the loudspeaker of test audio signal to described household audio and video system HTS, supply described loudspeaker output sound signal and received by the audio receiver of described household audio and video system HTS; Described DSP receives the voice signal of described audio receiver feedback, and outputs test results to described MCU according to described voice signal; Described MCU exports described test result and stores to described MPEG; Described MPEG, according to described test result, calculates the configuration parameter value of described loudspeaker, and exports described configuration parameter value to described MCU; Described MCU, according to described configuration parameter value, exports configuration steering order to described DSP, controls described DSP and configure described loudspeaker.
6. household audio and video system audio frequency automatic equalization inking device according to claim 5, it is characterized in that, described DSP comprises:
Feedback receive module, for receiving the voice signal of described audio receiver feedback;
Testing analysis module, for the time delay according to described feedback sound signal, determines the distance between described loudspeaker and audio receiver; According to the volume of described feedback sound signal, determine the volume value of described loudspeaker; According to the frequency of described feedback sound signal, determine the frequency compensation value of described loudspeaker;
Result output module, for exporting described distance, volume value and frequency compensation value to described MCU.
7. household audio and video system audio frequency automatic equalization inking device according to claim 5, is characterized in that, described MPEG also for receiving the input instruction of the channel pattern that user selects, and exports described MCU to; Described MCU is also for exporting testing and control instruction corresponding to described channel pattern to described DSP.
8. household audio and video system audio frequency automatic equalization inking device according to claim 7, is characterized in that, described MCU also for exporting initialization directive to described DSP, controls described DSP initialization.
9. the household audio and video system audio frequency automatic equalization inking device according to any one of claim 5 to 8, is characterized in that, adopts high-speed synchronous serial spi bus agreement to carry out communication between described MCU and MPEG; Twin wire serial i is adopted between described MCU and DSP
2c bus protocol carries out communication.
10. a household audio and video system HTS, comprises loudspeaker and audio receiver, it is characterized in that, also comprises the household audio and video system audio frequency automatic equalization inking device as described in any one of claim 5 to 9.
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| CN201210133538.0A CN102707648B (en) | 2012-04-28 | 2012-04-28 | Home theater system and audio automatic equalization configuration method and device thereof |
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| CN201210133538.0A CN102707648B (en) | 2012-04-28 | 2012-04-28 | Home theater system and audio automatic equalization configuration method and device thereof |
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Citations (4)
| 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 |
| 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 (4)
| 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 |
| 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 |
| 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 |
|---|
| MPEG2解码系统集成芯片音频处理存储优化策略;汪斌，等;《电路与系统学报》;20051230;第10卷(第6期);论文第45页第27-31行 * |
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