CN108401212A - The realization device and its method of a kind of 3D around audio - Google Patents
The realization device and its method of a kind of 3D around audio Download PDFInfo
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- CN108401212A CN108401212A CN201810074720.0A CN201810074720A CN108401212A CN 108401212 A CN108401212 A CN 108401212A CN 201810074720 A CN201810074720 A CN 201810074720A CN 108401212 A CN108401212 A CN 108401212A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 230000005236 sound signal Effects 0.000 claims description 57
- 238000001514 detection method Methods 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 230000006870 function Effects 0.000 abstract description 5
- 230000004069 differentiation Effects 0.000 abstract description 2
- 230000008571 general function Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
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Classifications
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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
- 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
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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
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
Abstract
The present invention relates to a kind of 3D around the realization device and its method of audio, which uses I/O equipment, audio decoder/D/A conversion unit, 3D audios resolution unit, power amplifier, Power Management Unit and selecting unit around audio device；I/O equipment is sequentially connected with audio decoder/D/A conversion unit, 3D audios resolution unit and power amplifier；In addition, I/O equipment is separately connected with Power Management Unit, 3D audios resolution unit and selecting unit.The present invention in I/O equipment by being arranged common I/O units and multi-functional I/O units, the general function of earphone and 3D are subjected to certain differentiation around function, it realizes when needing 3D surround sound functions, 3D surround sounds is exported by control, to realize the stereo 3D around hearer around audio.
Description
Technical field
The present invention relates to acoustic-electric technical field, more particularly to realization devices and its method of a kind of 3D around audio.
Background technology
In the implementations of portable audio devices such as current existing earphone class, mainly pass through and utilize left and right double drive
Loudspeaker unit enhances the processing of left and right directions sense and size sound, i.e., places two or more angled raise in space
The loud speaker of sound device, different angle provides signal by one or two sound channel, takes the mode of signal phase difference that human ear is allowed to capture
The solid of sound source is perceived with reinforcing hearer to the position or orientation (human ear Biological Principles) of sound source.But at present on the market
Traditional 2D audio signals are not converted into the function of 3D audio signals by earphone, therefore user can not the circular audios of real-time experience 3D
Effect.Therefore, it is insufficient for sense of hearing demand of the user to 3D audio signals, user experience is poor.
Invention content
(1) technical problems to be solved
The present invention provides a kind of 3D around the realization device and its method of audio, and 3D rings can not be provided to solve existing earphone
Around audio, sense of hearing demand of the user for 3D audio sound effects, the poor problem of user experience cannot be met.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of 3D around audio device, including I/O equipment, audio
Decoding/D/A conversion unit, 3D audios resolution unit, power amplifier, Power Management Unit and selecting unit；The I/O is set
It is standby to be sequentially connected with the audio decoder/D/A conversion unit, the 3D audios resolution unit and the power amplifier；Separately
Outside, the I/O equipment is separately connected with the Power Management Unit, the 3D audios resolution unit and the selecting unit.
Optionally, the I/O equipment includes common I/O units and multi-functional I/O units.
Optionally, the Power Management Unit includes detection unit, when the common I/O units of the I/O equipment are in work
Make state, detection unit detects that described selecting unit one end is connect with the I/O equipment and the other end is connect with loud speaker
When, then the 3D is common audio device around audio device；Detection unit detects described selecting unit one end and the I/O
When equipment connects and the other end is connect with Power Management Unit, then the 3D is 3D audio devices around audio device.
Optionally, when the circular audio devices of the 3D are 3D audio devices, the 2D audio signals are through the 3D audios solution
After analysis unit and the power amplifier are processed into 3D audio signals, amplify through the loud speaker and export.
Optionally, the Power Management Unit connection externally-connectedbattery battery module is to realize power supply.
Optionally, when the multi-functional I/O units of the I/O equipment are in running order, the I/O equipment connection is external
Equipment, the external equipment is directly to the connection of the audio decoder/D/A conversion unit, the 3D audios resolution unit and described
Power amplifier is powered；The 2D audio signals are converted to digital information through the audio decoder/D/A conversion unit
Analog signal, then after the 3D audios resolution unit and the power amplifier are processed into 3D audio signals, raise one's voice through described
Device amplification output.
Optionally, the external equipment is audio output device.
The embodiment of the present invention additionally provide it is a kind of by above-mentioned 3D around audio device realize 3D around the processing side of audio
Method, the method includes：
I/O equipment judges common I/O units or multi-functional I/O units, and which is in running order；
When the common I/O units are in running order, Power Management Unit judges whether itself leads with selecting unit
It is logical；If do not turned on, the 2D audio signals of the I/O equipment output are directly defeated by loud speaker after the selecting unit
Go out；If conducting, the 2D audio signals of the I/O equipment output are through the 3D audios resolution unit and the power amplifier
After being processed into 3D cincture audio signals, 3D audio signals are exported after loud speaker amplification.
Optionally, if conducting, externally-connectedbattery battery module is embodied as the 3D audios and parses list by the Power Management Unit
The first and described power amplifier power supply.
Optionally, when the multi-functional I/O units are in running order, the I/O equipment is set by the external of connection
For directly to the sequentially connected audio decoder/D/A conversion unit, the 3D audios resolution unit and the power amplification
Device is powered；Digital information is converted to analog signal by the 2D audio signals through the audio decoder/D/A conversion unit,
Again after the 3D audios resolution unit and the power amplifier are processed into 3D cincture audio signals, put through the loud speaker
3D audio signals are exported after big.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that compared with prior art：The present invention in I/O equipment by setting
Common I/O units and multi-functional I/O units are set, the general function of earphone and 3D are subjected to certain differentiation around function, realized
When needing 3D surround sound functions, 3D surround sounds are exported by control, to realize that the stereo 3D around hearer is surround
Audio.
Description of the drawings
Fig. 1 is a kind of circuit realization principle figures of the 3D provided in an embodiment of the present invention around audio device；
Fig. 2 is the structural schematic diagram of line shelves in the middle part of earphone provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagrams of the 3D provided in an embodiment of the present invention around audio device；
Fig. 4 is a kind of implementation method flow diagrams of the 3D provided in an embodiment of the present invention around audio.
In attached drawing, parts list represented by the reference numerals are as follows：
1, external equipment；2, I/O equipment；3, audio decoder/D/A conversion unit；4, Power Management Unit；5,3D audios
Resolution unit；6, selecting unit；7, power amplifier；1, external equipment；2, I/O equipment；3, audio decoder/digital-to-analogue conversion list
Member；4, Power Management Unit；5,3D audios resolution unit；6, selecting unit；7, power amplifier；8, microphone；9, it raises one's voice
Device；10, externally-connectedbattery battery module；11, earplug；12, first transmission line；13, second transmission line；14, headset main body；41, lower casing；
42, upper shell；43, circuit board；44, insulative water-proof material；45, it switchs.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of 3D is around audio device, including I/O equipment 2, audio decoder/D/A conversion unit 3,3D
Audio resolution unit 5, power amplifier 7, Power Management Unit 4 and selecting unit 6.
In the present embodiment, the I/O equipment 2 is parsed with the audio decoder/D/A conversion unit 3, the 3D audios
Unit 5 and the power amplifier 7 are sequentially connected.
In addition, in the present embodiment, the I/O equipment 2 and the Power Management Unit 4, the 3D audios resolution unit 5
It is separately connected with the selecting unit 6.
In the present embodiment, external equipment 1 is connected by I/O equipment 2, passes through audio decoder/D/A conversion unit 3, institute
It states 3D audios resolution unit 5 and the power amplifier 7 realizes conversion of the 2D audios to 3D audios, 3D is exported by loud speaker 9
Audio, to realize the stereo 3D around hearer around audio.
As shown in Figures 2 and 3, in the present embodiment, above-mentioned 3D is circuit board 43 around the carrier of audio device, when the electricity
Road plate 43 is arranged in wired earphone, which includes sequentially connected earplug 11, loud speaker 9, first transmission line 12, ear
Owner's body 14 and second transmission line 13 and I/O equipment 2, the earplug 11 are ear suspension type or built-in earplug；The headset main body
14 include：Shell, shell include the upper shell 42 being detachably connected and lower casing 41；The circuit board 43 being arranged in shell, the electricity
Plate 43 outer surface in road is provided with insulative water-proof material 44 and switch 45, which can be set as touch tablet according to demand, at this point,
Audio decoder/the D/A conversion unit 3, the 3D audios of the above-mentioned 3D in audio device are provided on circuit board 43
Resolution unit 5, the power amplifier 7, the Power Management Unit 4 and selecting unit 6.
In the present embodiment, above-mentioned 3D is circuit board 43 around the carrier of audio device, when the circuit board 43 is arranged in nothing
When line earphone, which includes：The I/O equipment 2 being arranged in headset main body 14 and headset main body 14, the headset main body 14
On be provided with loud speaker 9 and earplug 11, the earplug 11 is ear suspension type or built-in earplug, and the headset main body 14 includes：Outside
Shell, shell include the upper shell 42 being detachably connected and lower casing 41；The circuit board 43 being arranged in shell, 43 appearance of circuit board
Face is provided with insulative water-proof material 44 and switch 45, which can be set as touch tablet according to demand, at this point, on circuit board 43
Be provided with the audio decoder/D/A conversion units 3 of the above-mentioned 3D in the audio device, the 3D audios resolution unit 5,
The power amplifier 7, the Power Management Unit 4 and selecting unit 6；External equipment 1 wirelessly connects with the headset main body 14
It connects, radio connection includes bluetooth connection, ZIGBEE connections or WIFI connections.
In the present embodiment, the 3D audios resolution unit 5 includes multi-stage filter circuit, frequency response adjusting circuit and letter
Number audio frequency parameter adjusts compensation circuit, and when the 3D audios resolution unit 5 is in running order, audio signal A-R/A-L makees
For input, the Miscellaneous signals of plane sound are filtered out by filter circuit, while frequency response adjusts circuit, signal audio
Parameter regulation compensation circuit carries out parameter adjustment and the benefit of reverberation, modified tone, echo and delay based on HRTF association TRANSFER MODELs
It repays, builds vertical space sound intermediate frequency parameter, to simulate the acoustic information of position, frequency, delay, loudness that human ear can hear, structure
The circular audio signals of body 3D are established, the sound exported in 3D audio parsing modules in the audio frequency parameter rebuild the i.e. this programme
Frequency signal A_L_3D/A_R_3D.
In a specific embodiment, for I/O equipment 2 shown in FIG. 1, a kind of 3D is provided in the present embodiment and is surround
Audio device, difference lies in：The I/O equipment 2 includes common I/O units and multi-functional I/O units.
In the present embodiment, common I/O units and multi-functional I/O units are and common only there are one can be in running order
Interference between I/O units and multi-functional I/O units is negligible.
In a specific embodiment, the Power Management Unit 4 includes detection unit.
In the present embodiment, when the common I/O units of the I/O equipment 2 are in running order, external connection battery is needed at this time
Module 10 and Power Management Unit 4 are that 3D audio devices are powered, and detection unit detects 6 one end of the selecting unit and institute
It states the connection of I/O equipment 2 and the other end with loud speaker 9 when connect, then the circular audio devices of the 3D are common audio device, at this time
The selecting unit 6 is not connected to Power Management Unit 4, which is common audio device around audio device, will directly be received
Audio signal exported by loud speaker 9；
In the present embodiment, detection unit detects that 6 one end of the selecting unit is connect and another with the I/O equipment 2
When end is connect with Power Management Unit 4, then the 3D is 3D audio devices around audio device, and the selecting unit 6 connects at this time
Logical Power Management Unit 4, Power Management Unit 4 by externally-connectedbattery battery module 10 be the audio decoder/D/A conversion unit 3,
The 3D audios resolution unit 5 and the power amplifier 7 are powered, it is made to work, and the 2D audio signals received are passed through
After the 3D audios resolution unit 5 and the power amplifier 7 are processed into 3D audio signals, amplify through the loud speaker 9 defeated
Go out.
In the present embodiment, which includes charging circuit, discharge circuit and detection circuit, detection electricity
The charge/discharge operation to externally-connectedbattery battery module 10, and institute are realized in road, that is, above-mentioned detection unit by charging circuit and discharge circuit
State the A_R or A_L of monitoring connection audio signal.Signal pulse is will produce when audio signal A_R/A_L is transmitted, is connected to electricity
The audio signal A_R or A_L of source control module generate certain voltage, and in the case where selecting unit 6 is operated in A condition, i.e. audio is believed
When number A_R/A_L is direct path to loud speaker 9, in detection circuit, do not acquired at selecting unit 6 audio signal A_R and
A_L, then detection circuit be judged as non-discharged state, at this moment, 3D audio parsing modules not power does not work, and under the state in
Circuit resistance value is infinitely great, and audio signal is worked by direct-connected access drive the speaker 9, to achieve the effect that play source of sound, in reality
It applies the working condition in example and is defined as bypass patterns；When selecting unit 6 switch under B state i.e. audio signal A_R/A_L and
Loud speaker 9 is direct Disconnected mode, this is in the voltage that audio signal A_R and A_L are acquired at selecting unit 6, and detection circuit is logical
Two-way voltage difference forming circuit is crossed, so that battery is provided electric discharge, power supply is provided simultaneously for 3D audios parsing module and power amplifier module
Amplify through power amplifier module after so that its work, audio signal is handled by 3D audio parsing modules, carrys out 9 work of drive the speaker
Make, to achieve the effect that play source of sound.
In a specific embodiment, when the multi-functional I/O units of the I/O equipment 2 are in running order, the I/
O device 2 connects external equipment 1, and the external equipment 1 connects directly to the audio decoder/D/A conversion unit 3, the 3D
Audio resolution unit 5 and the power amplifier 7 are powered, specifically, giving the audio by external equipment 1OTG modes
The connection of decoding/D/A conversion unit 3, the 3D audios resolution unit 5 and the power amplifier 7 are powered；2D audios are believed
Number digital information is converted into analog signal through the audio decoder/D/A conversion unit 3, then through the 3D audios resolution unit
5 and after the power amplifier 7 is processed into 3D audio signals, amplify through the loud speaker 9 and exports.
In the present embodiment, the external equipment 1 is audio output device, and audio output device includes：Microphone 8, electricity
The equipment that brain, TV or mobile phone etc. have audio output interface.
Realize 3D around sound around audio device by above-mentioned 3D as shown in figure 4, the embodiment of the present invention additionally provides one kind
The processing method of effect, the method includes：
I/O equipment 2 judges common I/O units or multi-functional I/O units, and which is in running order.
In the present embodiment, when the common I/O units are in running order, Power Management Unit 4 judges that itself is
It is no to be connected with selecting unit 6；If do not turned on, the 2D audio signals that the I/O equipment 2 exports are after the selecting unit 6
It is directly exported by loud speaker 9, the selecting unit 6 is not connected to Power Management Unit 4 at this time, which is general around audio device
Logical audio device, is directly exported the audio signal received by loud speaker 9.
In the present embodiment, when the common I/O units are in running order, Power Management Unit 4 judges that itself is
It is no to be connected with selecting unit 6；If conducting, the 3D is 3D audio devices around audio device, and the selecting unit 6 connects at this time
Logical Power Management Unit 4, Power Management Unit 4 by externally-connectedbattery battery module 10 be the audio decoder/D/A conversion unit 3,
The 3D audios resolution unit 5 and the power amplifier 7 are powered, it is made to work, then the I/O equipment 2 exports
2D audio signals are after the 3D audios resolution unit 5 and the power amplifier 7 are processed into 3D cincture audio signals, through described
Loud speaker 9 exports 3D audio signals after amplifying.
Specifically, in the present embodiment, the 3D audios resolution unit 5 includes multi-stage filter circuit, frequency response adjusting
Circuit and signal audio frequency parameter adjust compensation circuit, when the 3D audios resolution unit 5 is in running order, audio signal A-
R/A-L is filtered out the Miscellaneous signals of plane sound by filter circuit as input, while frequency response adjusting circuit,
Signal audio frequency parameter adjusts the parameter that compensation circuit carries out reverberation, modified tone, echo and delay based on HRTF association TRANSFER MODELs
Adjustment and compensation, build vertical space sound intermediate frequency parameter, to simulate the sound of position, frequency, delay, loudness that human ear can hear
Information, the circular 3D audio signal of structure solid, in the audio frequency parameter rebuild the i.e. this programme in 3D audio parsing modules
The audio signal A_L_3D/A_R_3D of output.
Specifically, in the present embodiment, which includes charging circuit, discharge circuit and detection circuit, is somebody's turn to do
Detection circuit, that is, above-mentioned detection unit realizes the charge and discharge electrician to externally-connectedbattery battery module 10 by charging circuit and discharge circuit
Make, and the A_R or A_L of the monitoring connection audio signal.Signal pulse is will produce when audio signal A_R/A_L is transmitted, even
The audio signal A_R or A_L for being connected to power management module generate certain voltage, i.e. in the case where selecting unit 6 is operated in A condition
When audio signal A_R/A_L is direct path to loud speaker 9, in detection circuit, audio signal is not acquired at selecting unit 6
A_R and A_L, then detection circuit be judged as non-discharged state, at this moment, 3D audio parsing modules do not power and do not work, and the shape
Interior circuit resistance value is infinitely great under state, and audio signal is worked by direct-connected access drive the speaker 9, to reach the effect for playing source of sound
Fruit, in embodiment the working condition be defined as bypass patterns；When selecting unit 6 switches to i.e. audio signal A_ under B state
R/A_L and loud speaker 9 are direct Disconnected mode, this is in the voltage that audio signal A_R and A_L are acquired at selecting unit 6, detection
Circuit is formed into a loop by two-way voltage difference, so that battery is provided electric discharge, is provided for 3D audios parsing module and power amplifier module
Power supply simultaneously makes its work, and audio signal is amplified after being handled by 3D audio parsing modules through power amplifier module, is raised one's voice to drive
Device 9 works, to achieve the effect that play source of sound.
In the present embodiment, when the multi-functional I/O units are in running order, the I/O equipment 2 passes through connection
External equipment 1 directly to the sequentially connected audio decoder/D/A conversion unit 3, the 3D audios resolution unit 5 and institute
It states power amplifier 7 to be powered, specifically, giving the audio decoder/D/A conversion unit 3 by external equipment 1OTG modes
Connection, the 3D audios resolution unit 5 and the power amplifier 7 are powered；2D audio signals are through the audio decoder/number
Digital information is converted to analog signal by mould converting unit 3, then through the 3D audios resolution unit 5 and the power amplifier 7
After being processed into 3D cincture audio signals, amplifies through the loud speaker 9 and export.
In the present embodiment, I/O equipment 2 and external equipment 1 are limited or are wirelessly connected, wherein external equipment 1 is that audio is defeated
Go out device, audio output device includes：The equipment that microphone 8, computer, TV or mobile phone etc. have audio output interface；Wirelessly
Connection type includes：Bluetooth connection, ZIGBEE connections or WIFI connections.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of 3D is single around audio device, including the parsing of I/O equipment (2), audio decoder/D/A conversion unit (3), 3D audios
First (5), power amplifier (7), Power Management Unit (4) and selecting unit (6)；It is characterized in that,
The I/O equipment (2) and the audio decoder/D/A conversion unit (3), the 3D audios resolution unit (5) and described
Power amplifier (7) is sequentially connected；In addition, the I/O equipment (2) parses with the Power Management Unit (4), the 3D audios
Unit (5) and the selecting unit (6) are separately connected.
2. 3D according to claim 1 is around audio device, it is characterised in that：The I/O equipment (2) includes common I/O
Unit and multi-functional I/O units.
3. 3D according to claim 2 is around audio device, it is characterised in that：The Power Management Unit (4) includes inspection
Unit is surveyed, when the common I/O units of the I/O equipment (2) are in running order, detection unit detects the selecting unit
(6) one end connect with the I/O equipment (2) and when the other end is connect with loud speaker (9), then the 3D is general around audio device
Logical audio device；Detection unit detect the selecting unit (6) one end connect with the I/O equipment (2) and the other end with electricity
When source control unit (4) connects, then the 3D is 3D audio devices around audio device.
4. 3D according to claim 3 is around audio device, it is characterised in that：The 3D is 3D audios around audio device
When device, 2D audio signals are processed into 3D audio signals through the 3D audios resolution unit (5) and the power amplifier (7)
Afterwards, amplify through the loud speaker (9) and export.
5. 3D according to claim 3 is around audio device, it is characterised in that：Power Management Unit (4) connection is outer
Battery module (10) is connect to realize power supply.
6. 3D according to claim 2 is around audio device, it is characterised in that：As the multi-functional I/ of the I/O equipment (2)
O unit is in running order, and I/O equipment (2) the connection external equipment (1), the external equipment (1) is directly to the audio
Decoding/D/A conversion unit (3) connection, the 3D audios resolution unit (5) and the power amplifier (7) are powered；2D
Digital information is converted to analog signal by audio signal through the audio decoder/D/A conversion unit (3), then through the 3D audios
After resolution unit (5) and the power amplifier (7) are processed into 3D audio signals, amplify through loud speaker (9) and export.
7. 3D according to claim 6 is around audio device, it is characterised in that：The external equipment (1) is audio output
Device.
8. a kind of 3D by claim 1 realizes processing methods of the 3D around audio around audio device, which is characterized in that institute
The method of stating includes：
I/O equipment (2) judges common I/O units or multi-functional I/O units, and which is in running order；
When the common I/O units are in running order, Power Management Unit judges whether itself leads with selecting unit (6)
It is logical；If do not turned on, the 2D audio signals of I/O equipment (2) output pass through loud speaker after the selecting unit (6)
(9) it directly exports；If conducting, the 2D audio signals of I/O equipment (2) output are through the 3D audios resolution unit (5)
After 3D cincture audio signals being processed into the power amplifier (7), the output 3D audios letter after the loud speaker (9) amplification
Number.
9. processing method according to claim 8, it is characterised in that：If conducting, the Power Management Unit (4) will be outer
It connects battery module (10) and is embodied as the 3D audios resolution unit (5) and the power amplifier (7) power supply.
10. processing method according to claim 8, it is characterised in that：When the multi-functional I/O units are in running order
When, the I/O equipment (2) is by the external equipment (1) of connection directly to the sequentially connected audio decoder/digital-to-analogue conversion list
First (3), the 3D audios resolution unit (5) and the power amplifier (7) are powered；The 2D audio signals are through the sound
Digital information is converted to analog signal by frequency decoding/D/A conversion unit (3), then through the 3D audios resolution unit (5) and institute
It states after power amplifier (7) is processed into 3D cincture audio signals, 3D audio signals is exported after the loud speaker (9) amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074720.0A CN108401212B (en) | 2018-01-25 | 2018-01-25 | Device and method for realizing 3D surround sound effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074720.0A CN108401212B (en) | 2018-01-25 | 2018-01-25 | Device and method for realizing 3D surround sound effect |
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| CN108401212A true CN108401212A (en) | 2018-08-14 |
| CN108401212B CN108401212B (en) | 2024-02-02 |
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