CN108513243A - A kind of intelligence sound field calibration system - Google Patents
A kind of intelligence sound field calibration system Download PDFInfo
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- CN108513243A CN108513243A CN201810165174.1A CN201810165174A CN108513243A CN 108513243 A CN108513243 A CN 108513243A CN 201810165174 A CN201810165174 A CN 201810165174A CN 108513243 A CN108513243 A CN 108513243A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
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Abstract
The present invention relates to a kind of intelligent sound field calibration system, the sound field calibration system includes at least self-test portion, audio-frequency information acquisition portion, data processing division and at least one speaker, at least provided with audio getter and microphone in audio-frequency information acquisition portion;It is realized by data-triggered unit in data processing division and is triggered at least one sound field adaptation model stored in storage element, complete the quick adjustment of speaker angle in sound field, it realizes when speaker number parameter, speaker location parameter, listener position parameter change, entire speaker play system the real-time of speaker play system can be completed based on the sound field adaptation model of storage and intelligence is adjusted, and more preferable audio experience is brought for user.And, the cartridge type number for difference is realized by the alternative sounds data source of audio getter and microphone acquisition in audio-frequency information acquisition portion to calibrate with sound field adjustment in the real-time sound field adaptation of fixed sound field environment progress, so that this sound box system is with stronger compatibility.
Description
Technical field
The present invention relates to audios to adjust field more particularly to a kind of intelligent sound field calibration system.
Background technology
Conventional sound play device includes mainly speaker and speaker adaptive device, and speaker is connect with speaker adaptive device,
By Digital Signal Processing after source data or signal input speaker adaptive device, finally it converts digital audio and video signals to simulation
Audio signal is simultaneously exported to speaker, realizes conversion of the electric signal to voice signal.Weigh the acoustic of sound play device
Important indicator includes three-dimensional sense, location sense, spatial impression, the distortion factor, supper bass and high pitch etc..Wherein stereo refers to having solid
The sound of sense, if reset from being recorded, whole system can restore the spatial impression of primary life to a certain extent, then this
Acoustical reproduction with spatial characteristics such as a degree of orientation levels, it is referred to as stereo in sound technique.One solid
The good sound play device of sound can improve the clarity and intelligibility of information, improve the telepresenc of hearer.
When a set of sound system is installed, the mating problem of power amplifier and speaker is encountered unavoidably.In terms of tone color, it may be noted that it is taken
Mix whether changes in temperature are suitable, neither too hard, nor too soft, is finally in neutrality a whole set of equipment reduction tone color, this is only from the aspect of art.
Consider that power amplifier will be known as with what speaker was coupled from technical aspect:1. power match, 2. impedance matchings, the matching of 3. damped coefficients,
4. sensitivity matches, the matching of 5. tone colors.If we recognize in mating, the performance of equipment used can be made to obtain at above-mentioned 5 points
It is larger, most fully play.
But existing speaker play system, after installation, entire sound field system is determined, cannot be according to microphone
Type, listenership, audience is in the position of sound field and audio-frequency information type progress sound field is adapted to again and recalibration, to reduce
Performance tension of the sound box system to audio-frequency information, causes the waste of playing resource.Therefore, there is an urgent need for a kind of personalized and intelligence
The sound field calibration system of change carries out sound field adjustment in real time.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of intelligent sound field calibration systems, realize needle
To difference, cartridge type number carries out real-time sound field adaptation and sound field adjustment calibration in fixed sound field environment, so that this sound
Case system has stronger compatibility.
A kind of intelligence sound field calibration system, the sound field calibration system include at least self-test portion, audio-frequency information acquisition portion, number
According to processing unit and at least one speaker, at least provided with audio getter and microphone in audio-frequency information acquisition portion;The data
Processing unit acquires speaker quantity based on self-test portion and location information completes the frequency of the audio information data acquired to audio getter
Section distribution, and the band information of the distribution based on each speaker and the position relationship of audience are completed at the beginning of the angle of at least one speaker
Successive step;The identical sound letter of the audio information data obtained with audio getter that the data processing division is acquired based on microphone
Cease the secondary adjustment of data, frequency allocation data and the completion of the position relationship of audience to the angle of at least one speaker;Also, institute
Data processing division is stated to adjust speaker quantity and location parameter, speaker frequency allocation parameter, listener position parameter and speaker angle
Parameter is stored in data processing division as a sound field adaptation model..
According to a preferred embodiment, at least one speaker identification information and environment of the self-test portion based on acquisition
Information is completed to carry out Name & Location mark and statistics at least one speaker, and carries out equivalent grouping.
According to a preferred embodiment, what the audio classification unit in the data processing division was counted based on self-test portion
Equivalent group of sound-box device counts up into frequency allocation.
According to a preferred embodiment, the speaker in the data processing division adjusts unit and is based on each equivalent group of speaker
The band information of the position relationship and the distribution of each equivalent group of sound-box device of equipment and audience is completed to each equivalent group of sound-box device
Angle adjustment.
According to a preferred embodiment, the data processing division is at least additionally provided with dsp processor, the DSP processing
Machine completes the audio data acquired to audio-frequency information acquisition portion into line frequency based on the frequency allocation result that audio classification unit is completed
Segment mark and location information label, and the audio data that label is completed is sent to location information and corresponds to completion pair at sound-box device
Frequency band audio information is answered to play.
According to a preferred embodiment, the data processing division is at least additionally provided with storage element, the storage element
For completing to including speaker quantity and location parameter, speaker frequency allocation parameter, listener position parameter and speaker angle tune
The data of the sound field adaptation model of whole parameter acquire and record.
According to a preferred embodiment, the data processing division is at least additionally provided with data-triggered unit, the data
Speaker number parameter, speaker location parameter, the realization of listener position parameter and the storage element that trigger element is acquired based on self-test portion
At least one sound field adaptation model of middle storage is triggered, to complete the quick adjustment of speaker angle in sound field.
According to a preferred embodiment, the environmental information is that the length in space, width and height residing for speaker are believed
Breath;The environmental information further includes the location information and listener position information of each speaker.
According to a preferred embodiment, the environmental information is uploaded to self-test portion by user through intelligent terminal.
Compared with prior art, beneficial effects of the present invention are:By audio getter in audio-frequency information acquisition portion and
The alternative sounds data source that microphone obtains realizes the cartridge type number to difference and carries out real-time sound in fixed sound field environment
Field adaptation and sound field adjustment calibration, so that this sound box system is with stronger compatibility.
Data processing division through the invention completes audio-frequency information and handles and be sent to corresponding sound-box device.Pass through data
The realization of data-triggered unit is triggered at least one sound field adaptation model stored in storage element in processing unit, completion sound
The quick adjustment of speaker angle in occurs to realize in speaker number parameter, speaker location parameter, listener position parameter
When change, entire speaker play system can complete the real-time and intelligent of speaker play system based on the sound field adaptation model of storage
It adjusts, more preferable audio experience is brought for user.
Description of the drawings
Fig. 1 is the high-level schematic functional block diagram of the intelligent sound field calibration system of the present invention.
Specific implementation mode
Technical scheme of the present invention is described in further detail in knot below, but protection scope of the present invention is not limited to following institute
It states.
Embodiment:
A kind of intelligence sound field calibration system, as shown in Figure 1.The sound field calibration system includes at least self-test portion, audio is believed
Cease acquisition portion, data processing division and at least one speaker.
Preferably, the self-test portion is a kind of data collector, for realizing the acquisition and classification of speaker information, Yi Jihuan
The acquisition of border information.Audio-frequency information acquisition portion obtains for realizing audio-frequency information, such as completes audio-frequency information by network
Next week completes audio information specific acquisition directly from hard disk.
At least one speaker identification information and environmental information of the self-test portion based on acquisition are completed at least one speaker
Name & Location mark and statistics are carried out, and carries out equivalent grouping.It will be in sound field specifically, carrying out equivalent be grouped into speaker
Same position or at least one speaker of symmetric position is equivalent at left and right sides of audience is divided into the same audio group.
Preferably, the environmental information is length, width and the elevation information in space residing for speaker.The environmental information is also
Location information including each speaker and listener position information.Further, the environmental information by user through on intelligent terminal
Reach self-test portion.
Preferably, at least provided with audio getter and microphone in audio-frequency information acquisition portion.It is respectively utilized to complete background
The acquisition of music data and original singer's voice data.
Preferably, the data processing division includes at least audio classification unit, speaker adjusts unit, dsp processor, storage
Unit and trigger element, the data processing division handle for completing audio-frequency information and are sent to corresponding sound-box device.It is preferred that
Ground, the data processing division acquires speaker quantity based on self-test portion and location information completes the sound acquired to audio-frequency information acquisition portion
Frequency information frequency allocation.
Wherein, the audio classification unit is used to complete to carry out frequency range letter to the audio-frequency information that audio-frequency information acquisition portion acquires
Breath distribution and play position distribution.Preferably, equivalent group of the sound-box device that the audio classification unit is counted based on self-test portion
Count up into frequency allocation.
The speaker adjusts unit and carries out angle adjustment for realizing to each speaker.The speaker adjusts unit and is based on respectively
The band information of the position relationship and the distribution of each equivalent group of sound-box device of equivalent group of sound-box device and audience is completed to each equivalent
The angle adjustment of group sound-box device.
Preferably, the speaker adjusts unit and is based on self-test portion acquisition speaker quantity and location information completion to audio acquisition
The frequency allocation of the audio information data of device acquisition, and the band information of the distribution based on each speaker and the position relationship of audience are complete
The first successive step of angle of pairs of at least one speaker.
Further, the speaker adjusts the audio information data obtained with audio getter that unit is acquired based on microphone
Identical acoustic information data, frequency allocation data and the position relationship of audience are completed to the secondary of the angle of at least one speaker
Adjustment.
The dsp processor distributes for realizing that will acquire audio-frequency information into specific sound-box device.Preferably, described
DSP processors complete the audio data acquired to audio-frequency information acquisition portion based on the frequency allocation result that audio classification unit is completed
Carry out frequency range label and location information label.The in particular described dsp processor distributes frequency allocation information and position to information
As labeled data mark in the audio-frequency information of acquisition.Meanwhile the audio data that the dsp processor completes label is sent
It is corresponded to location information and completes the broadcasting of corresponding frequency band audio-frequency information at sound-box device.
The audio data that at least one sound-box device is completed to send dsp processor receives, and according to the sound of receiving
Frequency range markup information of the frequency in completes the broadcasting of corresponding frequency band audio data.
Storage element is for completing to including speaker quantity and location parameter, speaker frequency range point in the data processing division
The data of sound field adaptation model with parameter, listener position parameter and speaker angle adjusting parameter acquire and record.So as to
It completes at least one sound field adaptation model being stored in data processing division by the storage element, during follow-up use
It can complete quick triggering and the calling of sound field adaptation model.
Data-triggered unit is acquired in real time based on self-test portion in the data processing division speaker number parameter, speaker position
Parameter, the realization of listener position parameter are triggered at least one sound field adaptation model stored in storage element, complete sound field
The quick adjustment of interior speaker angle.Change in speaker number parameter, speaker location parameter, listener position parameter to realize
When change, entire speaker play system the real-time of speaker play system can be completed based on the sound field adaptation model of storage and intelligence is adjusted
Section brings more preferable audio experience for user.
Specific implementation mode of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Claims (9)
1. a kind of intelligence sound field calibration system, which is characterized in that the sound field calibration system includes at least self-test portion, audio-frequency information
Acquisition portion, data processing division and at least one speaker, at least provided with audio getter and microphone in audio-frequency information acquisition portion;
The data processing division acquires speaker quantity based on self-test portion and location information completes the audio acquired to audio getter
The frequency allocation of information data, and the band information of the distribution based on each speaker and the position relationship of audience are completed at least one
The first successive step of the angle of speaker;
The identical acoustic information of the audio information data obtained with audio getter that the data processing division is acquired based on microphone
The position relationship of data, frequency allocation data and audience completes the secondary adjustment to the angle of at least one speaker;
Also, the data processing division is by speaker quantity and location parameter, speaker frequency allocation parameter, listener position parameter and sound
Case angle adjusting parameter is stored in data processing division as a sound field adaptation model.
2. intelligence sound field calibration system as described in claim 1, which is characterized in that the self-test portion based on acquisition at least one
A speaker identification information and environmental information are completed to carry out Name & Location mark and statistics at least one speaker, and carry out equivalent
Grouping.
3. intelligence sound field calibration system as claimed in claim 2, which is characterized in that the audio classification in the data processing division
Equivalent group of the sound-box device that unit is counted based on self-test portion counts up into frequency allocation.
4. intelligence sound field calibration system as claimed in claim 3, which is characterized in that the speaker in the data processing division is adjusted
The band information of position relationship and each equivalent group sound-box device distribution of the unit based on each equivalent group of sound-box device and audience is complete
The angle adjustment of pairs of each equivalent group of sound-box device.
5. intelligence sound field calibration system as claimed in claim 4, which is characterized in that the data processing division is at least additionally provided with
Dsp processor, the DSP processors are completed based on the frequency allocation result that audio classification unit is completed to audio-frequency information acquisition portion
The audio data of acquisition carries out frequency range label and location information label, and the audio data that label is completed is sent to location information
Corresponding frequency band audio-frequency information is completed at corresponding sound-box device to play.
6. intelligence sound field calibration system as claimed in claim 5, which is characterized in that the data processing division is at least additionally provided with storage
Memory cell, the storage element is for completing to including speaker quantity and location parameter, speaker frequency allocation parameter, Ting Zhongwei
Set data acquisition and the record of the sound field adaptation model of parameter and speaker angle adjusting parameter.
7. intelligence sound field calibration system as claimed in claim 6, which is characterized in that the data processing division is at least additionally provided with number
According to trigger element, speaker number parameter that the data-triggered unit is acquired based on self-test portion, speaker location parameter, listener position
Parameter realization is triggered at least one sound field adaptation model stored in storage element, to complete speaker angle in sound field
Quick adjustment.
8. intelligence sound field calibration system as claimed in claim 2, which is characterized in that the environmental information is space residing for speaker
Length, width and elevation information;The environmental information further includes the location information and listener position information of each speaker.
9. intelligence sound field calibration system as claimed in claim 2, which is characterized in that the environmental information is by user through intelligent end
End is uploaded to self-test portion.
Priority Applications (3)
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CN201810165174.1A CN108513243B (en) | 2018-02-28 | 2018-02-28 | Intelligent sound field calibration system |
PCT/CN2019/082366 WO2019166030A1 (en) | 2018-02-28 | 2019-04-12 | Smart sound field adaptation system, smart sound field calibration system, and smart speech processing system |
PCT/CN2019/082365 WO2019166029A1 (en) | 2018-02-28 | 2019-04-12 | Smart sound field calibration system, smart sound field adaptation system, and smart speech processing system |
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CN201810165174.1A CN108513243B (en) | 2018-02-28 | 2018-02-28 | Intelligent sound field calibration system |
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CN108513243B CN108513243B (en) | 2020-12-08 |
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WO2019166029A1 (en) * | 2018-02-28 | 2019-09-06 | 成都星环科技有限公司 | Smart sound field calibration system, smart sound field adaptation system, and smart speech processing system |
CN112104947A (en) * | 2020-09-11 | 2020-12-18 | 冠捷显示科技(厦门)有限公司 | Self-adaptive sound field control method and system |
CN113923561A (en) * | 2020-07-08 | 2022-01-11 | 阿里巴巴集团控股有限公司 | Intelligent sound box sound effect adjusting method and device |
WO2024131484A1 (en) * | 2022-12-21 | 2024-06-27 | 华为技术有限公司 | Sound field calibration method and electronic device |
CN118368563A (en) * | 2024-06-17 | 2024-07-19 | 深圳旷世科技有限公司 | Audio processing device and system |
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