CN106126185A - A kind of holographic sound field recording communication Apparatus and system based on bluetooth - Google Patents
A kind of holographic sound field recording communication Apparatus and system based on bluetooth Download PDFInfo
- Publication number
- CN106126185A CN106126185A CN201610685223.5A CN201610685223A CN106126185A CN 106126185 A CN106126185 A CN 106126185A CN 201610685223 A CN201610685223 A CN 201610685223A CN 106126185 A CN106126185 A CN 106126185A
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- China
- Prior art keywords
- sound field
- holophonic
- signal
- holographic
- communication device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004891 communication Methods 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000001093 holography Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Abstract
The present invention proposes a kind of holographic sound field recording communication device (1) and system, holographic sound field recording communication device (1) is used to carry out collection and the playback of holophonic field signal, and by this holography sound field recording communication device (1) and carry out the exterior terminal (2) that bluetooth is connected with it and carry out holographic sound field communication, real audition and communication is brought to experience to user, simultaneously, use the bluetooth uplink means being suitable for the transmission of this holophonic field signal to ensure the high-fidelity transfer of signal, be effectively improved the record of holophonic field signal, share and ability to communicate.
Description
Technical field
The invention belongs to electroacoustic field, particularly to a kind of holographic sound field recording communication device based on bluetooth.
Background technology
The tradition way of recording includes single Mike's recording, stereophonic recording (AB, XY, MS, ORTF).Single Mike's recording letter the most
Just, but sound field is the most dull；The original intention of stereophonic recording is to build the stereophonic field of more horn of plenty, in microphone arrangement
Occur in that diversified mode, be try to simulate two ears perception characteristic to sound of people, such as time delay, amplitude difference,
Phase place etc., but simply leaning on mike putting position is to be difficult to reach to simulate real auditory perceptual.
On the other hand, the fast development of mobile broadband, the common tool such as the mobile phone of ordinary consumer, panel computer is except beating
There is audio frequency and video to record ability outside phone, and a lot of digital products such as recording pen, the camera that can image etc. are big
In most cases these equipment are all based on internal microphone and carry out recorded voice, and these built-in microphones on the one hand tonequality compare
Difference, to represent ability the most excessively poor for sound field simultaneously.
Currently also occurring in that some equipment such as be mobile phone provide the interface equipment of stereophonic recording, these equipment interfaces are from upper
State specialty stereophony microphone and also have the biggest distance, let alone immersion three-dimensional sound field.At video monitoring, online education, net
The fields such as network audio/video communication, or there is no audio capability at all, have plenty of simple monophonic audio, have plenty of common standing
Body sound, in a word, audio experience does not reaches far away demand on the spot in person.
Summary of the invention
In order to overcome the defect of prior art, the present invention proposes a kind of holographic sound field recording communication device based on bluetooth,
Holophonic field signal can be recorded by this device, the most also can be brought to user by this device playback holophonic field signal
Real audio experience, meanwhile, uses the bluetooth uplink means being suitable for the transmission of this holophonic field signal to ensure the height of signal
Fidelity transmits, and is effectively improved the record of holophonic field signal, shares and ability to communicate.
Propose a kind of holographic sound field recording communication device (1), lay respectively at left and right ear including two microphone units (11)
It is used for gathering three-dimensional sound field signal near road, gathers signal processing unit (12) to gathering signal and be processed and converted to numeral
Signal, foregoing digital signals inputs to holophonic field signal processing unit (13), and holophonic field signal processing unit (13) is to sound
Field signal processes, after signal encoded unit (14) compression coding after process, and will be complete by bluetooth transmitting element (15)
The breath up transmission of acoustic field signal, to exterior terminal (2), is recorded this signal by exterior terminal (2), wherein, uses blue tooth RFCOMM to lead to
Holophonic field signal is carried out up transmission by road.
Further, this device also includes loudspeaker unit (19), is used for holophonic field signal of resetting, wherein, outside whole
End (2) sends holophonic field signal, holographic sound field record by bluetooth transmitting element (21) to holographic sound field recording communication device (1)
The Bluetooth receptions unit (16) of sound communication device (1) receives signal, the holographic sound field of input after the decoded unit of signal (17) decoding
Signal processing unit (13), holophonic field signal processing unit (13) outputs signal to replay signal processing unit (18), enters one
Walk the playback being carried out holographic sound field by loudspeaker unit (19).Holographic sound field recording communication device as claimed in claim 2
(1), be characterised by: loudspeaker unit (19) is two, these two loudspeaker units (19) respectively with two microphone units
(11) gather in earplug；Loudspeaker unit (19) also can be as a part for audio amplifier.
Further, microphone unit (11) gathers holophonic field signal, and acquired signal processing unit (12) is to holographic
Acoustic field signal processing unit (13), holophonic field signal processing unit (13) sends the signal to replay signal processing unit
(18), then by speaker (19) carry out resetting by holophonic field signal thus realize monitoring winding.
It addition, holophonic field signal processing unit (13) holophonic field signal can be carried out gain control, equilibrium, noise reduction,
One or more process in the correction of speech enhan-cement, audition.
Further, this device (1) can be operated under recording mode, replay mode, monitoring pattern, and this device sets on (1)
Having mode control button, wherein, holographic audio frequency is recorded replay device and is simultaneously operable in recording mode and monitoring pattern.
Propose a kind of holographic sound field recording communication system, be included in the above-mentioned holographic sound field recording communication device in network two ends
(1), exterior terminal (2), holographic sound field recording communication device (1) of network one end gathers holophonic field signal, passes through bluetooth
Holophonic field signal is transmitted upstream to exterior terminal (2) by RFCOMM passage, and holography sound field is believed by exterior terminal (2) by network
Number send at the exterior terminal (2) of the network other end, then by this exterior terminal (2) by descending for holophonic field signal transmission to net
Holographic sound field recording exchange device (1) of the network other end, and by holographic sound field recording exchange device (1) the playback holophonic of this other end
Field signal；Equally, holographic sound field recording communication device (1) and the exterior terminal (2) of the network other end also can be carried out by network
Reverse communication.
Finally proposing a kind of exterior terminal (2), it includes bluetooth Transmit-Receive Unit (21,22), audio treatment unit (23), deposits
Reservoir, communication module, be characterised by: also have above-mentioned holographic sound field recording communication device (1) of cooperation or holographic sound field recording is logical
News system or the above-mentioned application program (24) that both use, it can pass through the bluetooth Transmit-Receive Unit (21,22) of exterior terminal, audio frequency
Processing unit (23), memorizer, communication module realize the recording to holographic sound field, reset, monitor, the control of communication, and control
Audio treatment unit 23 processed carries out in gain control, equilibrium, noise reduction, speech enhan-cement, audition correction to holophonic field signal
Item or multinomial process.
Accompanying drawing explanation
Fig. 1 is holographic sound field recording communication device and the system block diagram of connected exterior terminal of the present invention
Fig. 2 is the schematic diagram utilizing the holographic sound field recording communication device of the present invention to carry out communication
Detailed description of the invention
In conjunction with accompanying drawing 1, the holographic sound field recording communication device 1 of the present invention includes two microphone units 11, holographic sound field
Signal processing unit 13, two microphone units 11 lay respectively near left and right auditory meatus for gathering three-dimensional sound field signal.Gather
Signal processing unit 12 is processed and converted to digital signal to gathering signal, and foregoing digital signals input is to holographic sound field letter
Number processing unit 13, acoustic field signal is processed by holophonic field signal processing unit 13, the encoded unit of signal after process
After 14 compression codings, by bluetooth transmitting element 15 by up for holophonic field signal transmission to exterior terminal 2, by exterior terminal 2
Record this signal, wherein, use blue tooth RFCOMM passage that holophonic field signal is carried out up transmission.
Further, this holography sound field recording communication device 1 also includes loudspeaker unit 19, is used for holographic sound field letter of resetting
Number, wherein, exterior terminal 2 sends holophonic field signal, entirely by bluetooth transmitting element 21 to holographic sound field recording communication device 1
The Bluetooth receptions unit 16 of breath sound field recording communication device 1 receives signal, inputs holophonic after the decoding of signal decoded unit 17
Field signal processing unit 13, holophonic field signal processing unit 13 outputs signal to replay signal processing unit 18, and by raising
Sound device unit 19 carries out the playback of holographic sound field.
Further, loudspeaker unit 19 is two, these two loudspeaker units 19 respectively with two microphone units 11
Gathering in earplug (shown in accompanying drawing 2), user wears to ears, then gathered holographic sound field letter by two microphone units 11
Number, two loudspeaker units 19 reset holophonic field signal；Loudspeaker unit 19 also can be as a part for audio amplifier.
Further, holographic sound field recording communication device 1 also can carry out synchronizing to monitor, and microphone unit 11 gathers holophonic
Field signal, acquired signal processing unit 12 to holophonic field signal processing unit 13, holophonic field signal processing unit 13 will
Signal sends to replay signal processing unit 18, then is carried out resetting by holophonic field signal by speaker 19 thus realize monitoring back
Ring；Wherein, holophonic field signal processing unit 13 can carry out gain control, equilibrium, noise reduction, voice increasing to holophonic field signal
By force, audition correction etc. process.
Holographic sound field recording communication device 1 can be operated in recording mode, replay mode, monitoring pattern, holographic sound field recording
Communication device 1 is provided with mode control button.Holographic audio frequency is recorded replay device and be may be simultaneously operated in recording mode and monitoring
Pattern, those skilled in the art it will be appreciated that, carry out while Double-ear type sound-recording synchronize monitor, the grasp that person for recording is real-time can be made
The change of realistic acoustic field environment, when in the face of possible accident, can quickly make a response, and improves safety during recording
With reliability.
In conjunction with accompanying drawing 2, another embodiment of the present invention provides a kind of holographic audio frequency communication system, including network side
Holographic sound field recording communication device 1 gathers holophonic field signal, by blue tooth RFCOMM passage by up for holophonic field signal biography
Being passed to exterior terminal 2, holophonic field signal is sent to the exterior terminal 2 of network opposite side by exterior terminal 2 by network, then by
This exterior terminal 2 is by the holographic sound field recording communication device 1 of descending for holophonic field signal transmission to network opposite side and another by this
Holographic sound field recording exchange device (1) the playback holophonic field signal of one end；Equally, the holographic sound field recording communication of network opposite side
Device 1 and exterior terminal 2 also can carry out reverse communication by network, thus realize the holographic sound field communication of the present invention.
Exterior terminal 2 has and coordinates holographic sound field recording communication device 1 and holographic sound field recording communication system to use
Application program 24, its can by the bluetooth Transmit-Receive Unit of exterior terminal 2 21,22, audio treatment unit 23, memorizer (in figure not
Illustrate), communication module (not shown) realize to the recording of holophonic field signal, reset, monitor, share, Communication Control；Equally,
Also can control audio treatment unit 23 and holophonic field signal is carried out gain control, equilibrium, noise reduction, speech enhan-cement, audition correction
Deng process.
The further of uplink as the holophonic field signal based on blue tooth RFCOMM passage of the present invention is improved, sound
Frequently code encoding/decoding mode uses one of SBC, OPUS, Apt-X, AAC, to realize the low delay of uplink, Whole frequency band and multichannel
Transmission, is greatly promoted the fidelity of upward signal；Concrete, the Bluetooth transmission of the present invention can realize based on CSR platform, Qi Zhongyou
RFCOMM channel data is sent to DSP process by the protocol stack processing unit (stack) of CSR platform, returns after being disposed
Return protocol stack processing unit (stack), then be transmitted.
Claims (10)
1. holographic sound field recording communication device (1), lays respectively near left and right auditory meatus including two microphone units (11)
For gathering three-dimensional sound field signal, gather signal processing unit (12) to gathering signal and be processed and converted to digital signal,
Foregoing digital signals inputs to holophonic field signal processing unit (13), and holophonic field signal processing unit (13) is to acoustic field signal
Process, after signal encoded unit (14) compression coding after process, by bluetooth transmitting element (15) by holography sound field
Signal uplink sends to exterior terminal (2), exterior terminal (2) record this signal, wherein, use blue tooth RFCOMM passage by complete
Breath acoustic field signal carries out up transmission.
2. holographic sound field recording communication device (1) as claimed in claim 1, is characterised by: include loudspeaker unit (19), uses
In playback holophonic field signal, wherein, exterior terminal (2) passes through bluetooth transmitting element (21) to holographic sound field recording communication device
(1) sending holophonic field signal, the Bluetooth receptions unit (16) of holographic sound field recording communication device (1) receives signal, signal warp
Holophonic field signal processing unit (13), holophonic field signal processing unit (13) output letter is inputted after decoding unit (17) decoding
Number to replay signal processing unit (18), carried out the playback of holographic sound field further by loudspeaker unit (19).
3. holographic sound field recording communication device (1) as claimed in claim 2, is characterised by: loudspeaker unit (19) is two,
These two loudspeaker units (19) are gathered in earplug with two microphone units (11) respectively.
4. holographic sound field recording communication device (1) as claimed in claim 2, is characterised by: loudspeaker unit (19) is as sound
A part for case.
5. holographic sound field recording communication device (1) as described in one of claim 2-4, is characterised by: microphone unit (11)
Gather holophonic field signal, acquired signal processing unit (12) to holophonic field signal processing unit (13), holographic sound field letter
Number processing unit (13) sends the signal to replay signal processing unit (18), then is entered by holophonic field signal by speaker (19)
Row is reset thus is realized monitoring winding.
6. holographic sound field recording communication device (1) as claimed in claim 5, is characterised by: holophonic field signal processing unit
13 can carry out the one or more process in gain control, equilibrium, noise reduction, speech enhan-cement, audition correction to holophonic field signal.
7. holographic sound field recording communication device (1) as claimed in claim 5, is characterised by: this device (1) can be operated in recording
Under pattern, replay mode, monitoring pattern, this device (1) is provided with mode control button.
8. holographic sound field recording communication device (1) as claimed in claim 5, is characterised by: holographic audio frequency records replay device
It is simultaneously operable in recording mode and monitoring pattern.
9. a holographic sound field recording communication system, is included in the record of the holographic sound field as described in claim 2-8 at network two ends
Sound communication device (1), exterior terminal (2), holographic sound field recording communication device (1) of network one end gathers holophonic field signal,
By blue tooth RFCOMM passage, holophonic field signal being transmitted upstream to exterior terminal (2), exterior terminal (2) will be complete by network
Breath acoustic field signal sends to the exterior terminal (2) at the network other end, then by this exterior terminal (2) by descending for holophonic field signal
Send holographic sound field recording exchange device (1) to the network other end, and by holographic sound field recording exchange device (1) weight of this other end
Put holophonic field signal；Equally, holographic sound field recording communication device (1) of the network other end and exterior terminal (2) also can be by
Network carries out reverse communication.
10. an exterior terminal (2), it includes bluetooth Transmit-Receive Unit (21,22), audio treatment unit (23), memorizer, communication
Module, is characterised by: also include holographic sound field recording communication device (1) coordinated as described in claim 1-8 or such as right
Requiring the holographic sound field recording communication system described in 9 or the above-mentioned application program (24) that both use, it can pass through exterior terminal
Bluetooth Transmit-Receive Unit (21,22), audio treatment unit (23), memorizer, communication module realize the holographic recording of sound field, weight
Put, monitor, share, the control of communication, and control audio treatment unit 23 holophonic field signal carried out gain control, all
One or more process in the correction of weighing apparatus, noise reduction, speech enhan-cement, audition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685223.5A CN106126185A (en) | 2016-08-18 | 2016-08-18 | A kind of holographic sound field recording communication Apparatus and system based on bluetooth |
| PCT/CN2016/100754 WO2018032587A1 (en) | 2016-08-18 | 2016-09-29 | Bluetooth-based holographic sound field recording communication device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685223.5A CN106126185A (en) | 2016-08-18 | 2016-08-18 | A kind of holographic sound field recording communication Apparatus and system based on bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106126185A true CN106126185A (en) | 2016-11-16 |
Family
ID=57278690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610685223.5A Pending CN106126185A (en) | 2016-08-18 | 2016-08-18 | A kind of holographic sound field recording communication Apparatus and system based on bluetooth |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106126185A (en) |
| WO (1) | WO2018032587A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601262A (en) * | 2016-12-15 | 2017-04-26 | 北京塞宾科技有限公司 | High definition Bluetooth audio frequency transmitting and receiving terminal and communication system |
| CN106658250A (en) * | 2017-02-06 | 2017-05-10 | 张德明 | Binaural recording device |
| CN106792367A (en) * | 2016-12-15 | 2017-05-31 | 北京塞宾科技有限公司 | A kind of holographic sound field sound pick-up outfit |
| CN106792349A (en) * | 2016-12-15 | 2017-05-31 | 北京塞宾科技有限公司 | A kind of triple channel holography sound field sound pick-up outfit |
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| CN103634561A (en) * | 2012-08-21 | 2014-03-12 | 徐丙川 | Conference communication device and system |
| CN104168534A (en) * | 2014-09-01 | 2014-11-26 | 北京塞宾科技有限公司 | Holographic audio device and control method |
| CN104217750A (en) * | 2014-09-01 | 2014-12-17 | 北京塞宾科技有限公司 | A holographic audio record and playback method |
| WO2016050298A1 (en) * | 2014-10-01 | 2016-04-07 | Binauric SE | Audio terminal |
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2016
- 2016-08-18 CN CN201610685223.5A patent/CN106126185A/en active Pending
- 2016-09-29 WO PCT/CN2016/100754 patent/WO2018032587A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190158A (en) * | 2010-10-25 | 2013-07-03 | 高通股份有限公司 | Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals |
| CN103634561A (en) * | 2012-08-21 | 2014-03-12 | 徐丙川 | Conference communication device and system |
| CN104168534A (en) * | 2014-09-01 | 2014-11-26 | 北京塞宾科技有限公司 | Holographic audio device and control method |
| CN104217750A (en) * | 2014-09-01 | 2014-12-17 | 北京塞宾科技有限公司 | A holographic audio record and playback method |
| WO2016050298A1 (en) * | 2014-10-01 | 2016-04-07 | Binauric SE | Audio terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601262A (en) * | 2016-12-15 | 2017-04-26 | 北京塞宾科技有限公司 | High definition Bluetooth audio frequency transmitting and receiving terminal and communication system |
| CN106792367A (en) * | 2016-12-15 | 2017-05-31 | 北京塞宾科技有限公司 | A kind of holographic sound field sound pick-up outfit |
| CN106792349A (en) * | 2016-12-15 | 2017-05-31 | 北京塞宾科技有限公司 | A kind of triple channel holography sound field sound pick-up outfit |
| CN106658250A (en) * | 2017-02-06 | 2017-05-10 | 张德明 | Binaural recording device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018032587A1 (en) | 2018-02-22 |
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