CN103841493B - Audio processing device - Google Patents
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- CN103841493B CN103841493B CN201210475521.3A CN201210475521A CN103841493B CN 103841493 B CN103841493 B CN 103841493B CN 201210475521 A CN201210475521 A CN 201210475521A CN 103841493 B CN103841493 B CN 103841493B
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Abstract
The invention provides an audio processing device which mainly comprises a main processing unit, a radio processing unit and a codec. The main processing unit comprises a first audio processing interface. The radio processing unit comprises a second audio processing interface. The radio processing unit is controlled by the main processing unit and processes radio data received from the outside. The codec is respectively coupled with the main processing unit and the radio processing unit through first and second audio processing interfaces. The codec converts the radio data from conforming to the second audio processing interface to conforming to the first audio processing interface, so as to transfer the radio data to the main processing unit. The main processing unit processes audio data through the codec and the radio processing unit.
Description
Technical field
The invention relates to a kind of data processing technique, and in particular to a kind of using different Audio Processing interfaces
Come the apparatus for processing audio realized.
Background technology
Consumer electronics (for example, notebook computer, panel computer) are except making consumer enjoy good
Beyond sound and light program, it is also desirable to which these mobile devices can additionally possess more additional functions.For example, electronic installation can have
Standby preferable radio reception effect, the sound-recording function for being capable of filtering environmental noise.
Audio signal processing technique can determine the quality of its radio reception quality according to the audio operational method for being adopted.For example, by English
High-resolution audio (the High Definition Audio proposed by Te Er (Intel) company；HDA) technology is mainly used in adopting
With the central processing unit (CPU) and/or platform courses hub (Platform Controller Hub of its company's research and development；PCH)
Electronic installation on.The audio operational method that HDA technologies are adopted is received by being arranged on two radio equipments in front of sound source
Sound and Audio Processing.But also due to radio equipment has to be placed in front of sound source could obtain preferably radio reception quality, make
If radio equipment when being remote from front of sound source, be unable to maintain that its radio reception quality.
There is another kind of Audio Processing operation method at present, this kind of audio-frequency processing method is not intended to limit mike and must put
Put in front of sound source, and can by two or more mikes be arranged on equipment before and after or both sides, and by examine
Amplitude, frequency, phase contrast and the radio reception time difference for surveying these mikes is come at filtering environmental noise/noise, therefore this kind of audio frequency
Reason method possesses wider radio reception region.But the digital signal processor (DSP) using this kind of Audio Processing operation method is most of
HDA interfaces are not adopted, but adopts integral chip acoustic (Integrated Interchip Sound；I2S) interface, causes
It is difficult to be formed integral with one another with the central processing unit/platform courses hub of Intel company.
The content of the invention
The present invention provides a kind of apparatus for processing audio, and different types of Audio Processing interface can be integrated by which, and lead to
Crossing compilation unit carries out Audio Processing and data conversion between different interfaces.Therefore, apparatus for processing audio just can not be received original
In main processing units, default Audio Processing interface is limited to, and can adopt the audio frequency number at other kinds of Audio Processing interface
Word processing device is realizing.
The present invention proposes a kind of apparatus for processing audio, and which includes main processing units, radio reception processing unit and encoding and decoding
Device.Main processing units have the first Audio Processing interface.Radio reception processing unit includes the second Audio Processing interface.Radio reception is processed
Unit is controlled by the main processing units, from external reception and to process radio reception data.Codec is respectively by described the
One and the second Audio Processing interface and be couple to main processing units and radio reception processing unit.Codec is by the receipts
Sound data are changed to the first Audio Processing interface is met from the second Audio Processing interface is met, by the radio reception
Data are sent to the main processing units by the first Audio Processing interface.Also, the main processing units are by described
Codec and the radio reception processing unit processes audio frequency.
In one embodiment of this invention, above-mentioned apparatus for processing audio also includes control unit.Described control unit coupling
Connect main processing units and radio reception processing unit.Main processing units are by the controlling interface of described control unit so that radio reception
Processing unit is from external reception and processes the radio reception data.
In one embodiment of this invention, above-mentioned apparatus for processing audio also includes logic circuit and clock pulse generator.
An at least universal input output connecting pin described in logic circuits coupled, which is selected multiple according to the radio reception tupe signal
One of radio reception tupe, uses offer seasonal pulse and produces signal.Clock pulse generator couple the radio reception processing unit and
The logic circuit, its described seasonal pulse of reception produce signal to decide whether to provide clock signal to the radio reception processing unit.
Based on above-mentioned, the apparatus for processing audio described in the embodiment of the present invention is using can be (e.g., high by the first Audio Processing interface
Clear audio (HDA) interface) it is mutual with the voice data at the second Audio Processing interface (e.g., integral chip acoustic (I2S) interface)
The codec (codec) (for example, audio codec) of conversion, uses as the main place with the first Audio Processing interface
Reason unit and the bridge using data conversion between the second Audio Processing interface, it is both above-mentioned so as to integrate, realize this sound
Frequency is processed.Therefore, apparatus for processing audio just can not be limited to by high-resolution audio (HDA) interface of original central processing unit, can
Different Audio Processing operation methods are realized using the audio digital processing device of any kind, without being only limitted to original wave beam
Shaping (beamforming) operation method.
It is that the features described above and advantage of the present invention can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make
Carefully it is described as follows.
Description of the drawings
Fig. 1 and Fig. 2 are the block chart and schematic diagram of electronic installation respectively；
Fig. 3 is the schematic diagram of apparatus for processing audio described according to a first embodiment of the present invention；
Fig. 4 and Fig. 5 are the exemplary schematics of the set location of radio equipment in apparatus for processing audio；
Fig. 6 is the schematic diagram of apparatus for processing audio described according to a second embodiment of the present invention；
Fig. 7 is the schematic diagram of apparatus for processing audio described according to a third embodiment of the present invention.
Description of reference numerals：
100：Electronic installation；
110、310：Main processing units；
120：Audio digital signal processor；
130：High-resolution audio interface；
140：Speaker amplifier；
150、160：Left and right acoustic channels speaker；
170：Earphone；
180、190、322、324：Mike；
210：Overlapping region；
300、600、700：Apparatus for processing audio；
320、720：Radio reception processing unit；
326：Audio digital signal processor (DSP)；
330：Codec；
340：Control unit；
350：First Audio Processing interface；
360：Second Audio Processing interface；
370：Controlling interface；
CS：Control signal；
GPIO1、GPIO2：Universal input output connecting pin；
CLK：Clock signal；
ENCLK：Seasonal pulse produces signal；
RESET：Reset pin；
WR：Wake up pin；
400：Notebook computer；
410th, 440,510～520：Position；
500：Panel computer；
610：Clock pulse generator；
620：Logic circuit；
630：OR gate (OR)；
727：Data transmission interface；
728：Memory element.
Specific embodiment
Fig. 1 and Fig. 2 are the block chart and schematic diagram of electronic installation 100 respectively.As shown in figure 1, electronic installation 100 can be adopted
The central processing unit (CPU) and/or platform courses hub (Platform Controller of Intel (Intel) company
Hub；PCH) as main processing units 110, and central processing unit/platform courses hub is most of using Intel's high-resolution
The audio digital signal processor (audio DSP) 120 at audio (HDA) technology and its high-resolution audio interface 130, using is carried out
Audio Processing.For example, the transmission of DSP 120 voice data gives speaker amplifier 140, use control left and right acoustic channels speaker 150,
160 audio signal, volume ... etc., DSP 120 also can by various signal connected modes (for example, with actual track connection, with
Bluetooth technology connects) controlling to possess the earphone 170 of mike.
DSP 120 can by be arranged on two radio equipments (for example, mike) 180 at 100 casing of electronic installation,
190 to carry out radio reception, as shown in Figure 2.High-resolution audio (HDA) technology is transported using beam shaping (beamforming) audio frequency
Algorithm carrying out Audio Processing during radio reception, therefore two radio equipments 180,190 must towards pronunciation source (such as towards making
User) direction be configured.Electronic installation 100 shown in Fig. 2 all installs two mikes 180,190 in front, and utilizes
Received voice data is strengthening recording effect.But, the preferable playback environ-ment of beam shaping audio operational method is only that
The overlapping region 210 of two mike radio reception, the radio reception quality in other regions then can be decayed therewith.Therefore, when have many people wish
Hope while when being conversed or recorded using electronic installation 100, radio reception quality now then can be poor.
Still have at present other preferably audio operational methods, can for example pass through to detect the amplitude of plural mike,
Frequency, phase contrast and radio reception time difference carry out the audio operational method of filtering environmental noise/noise, its will can not meet phase contrast and
The voice data of radio reception time difference is all considered as noise and filters, meet the voice data of phase contrast and radio reception time difference then based on
Sound-source signal is wanted, mike so just can be allowed to be placed on any position of audio processing equipment, without in electronic installation 100
Dead ahead is arranged, it is to avoid restriction physically of high-resolution audio (HDA) technology in radio equipment.Additionally, current electronics
Device 100 is most of to adopt contact panel or glass to be used as its front panel, if will arrange in 100 dead ahead of electronic installation receiving
Sound equipment, then certainly will dig a hole on glass, cause front panel yield reduce according to this.
But, integral chip acoustic (I2S) is then mainly supported using the digital signal processor of these audio signal processing techniques
Interface rather than high-resolution audio interface, thus cannot be mutually whole with the central processing unit of Intel company/platform courses hub
Close.
Therefore, the apparatus for processing audio utilization of this case embodiment can be by the first Audio Processing interface (e.g., high-resolution audio
(HDA) interface) it is mutual with the voice data at the second Audio Processing interface (e.g., integral chip acoustic (I2S) interface, AC97 interfaces)
The codec (for example, audio codec) of conversion, as with the first Audio Processing interface main processing units and
Using the bridge of data conversion between the second Audio Processing interface.Thereby, this case embodiment can be not only restricted to genuine centre
The high-resolution audio interface of reason device and/or platform courses hub, and other Audio Processing interfaces (e.g., integral chip can be adopted
Acoustic (I2S) interface, AC97 interfaces ... etc.) digital signal processor realizing, the apparatus for processing audio of this case can be had
More operational feasibilities.
Fig. 3 is the schematic diagram of apparatus for processing audio 300 described according to a first embodiment of the present invention.Apparatus for processing audio
300 go in the consumer electronics devices such as computer system, notebook computer, panel computer ....Apparatus for processing audio 300
Mainly include main processing units 310, radio reception processing unit 320 and codec 330.The apparatus for processing audio of the present embodiment
300 can also include control unit 340, speaker amplifier 140, left and right acoustic channels speaker 150,160 and can possess mike
Earphone 170.
Main processing units 310 include the first Audio Processing interface 350 for processing voice data.This case embodiment institute
The main processing units 310 stated can be the central processing unit and/or platform courses hub using Intel company, and first
Audio Processing interface 350 is then with high-resolution audio interface realizing.However, those skilled in the art answer can be known, above-mentioned first
Audio Processing interface 350 is not limited in the disclosure above, and the first Audio Processing interface 350 herein refers to that genuine manufacturer is setting
Audio frequency dedicated processes interface therein, e.g. high definition have been preset in when meter central processing unit and/or platform courses hub
Clear audio interface, AC97 audio interfaces, super audio compact disc (Super Audio CD；SACD) audio interface ... etc..
Radio reception processing unit 320 includes and 350 different types of second Audio Processing interface of the first Audio Processing interface
360.Radio reception processing unit 320 described in this case embodiment can by least two radio equipments (for example, mike 322,324) with
And possess the audio digital signal processor 326 at the second Audio Processing interface 360 to realize.At least two radio equipments can be respectively
It is installed in the diverse location of 300 exterior case of apparatus for processing audio.
Fig. 4 and Fig. 5 are the exemplary schematics of the set location of radio equipment in apparatus for processing audio 300.Such as Fig. 4 institutes
Show, if apparatus for processing audio 300 is realized in notebook computer 400, radio equipment can be arranged in notebook computer 400
Position 410,420 and 430 in the casing of side, or from the position 440 in 400 back side casing of notebook computer, and
And select two of which or plural position to arrange radio equipment, for example selectable position 410 and 420 is as one group
Embodiment, and selectable position 430 and 440 is realizing another group of embodiment.If as shown in figure 5, apparatus for processing audio 300 is real
Now during panel computer 500, one of mike can be arranged in the position 510 on 500 front panel of panel computer,
And coordinate the mike that another is equipped with position 520 in 500 back side casing of panel computer to realize this case embodiment.
Fig. 3 is gone back to, audio digital signal processor 326 couples above-mentioned at least two mike 322,324.Radio reception is processed
Audio digital signal processor 326 in unit 320 is controlled by main processing units 310 by control unit 340, its according to
The order of main processing units 310 and from external reception and process radio reception data.In detail, audio digital signal processor 326
These Mikes (for example when, 370) I2C interfaces receive radio reception order, are then received by control unit 340 and controlling interface
The audio signal of wind 322,324, and using the amplitude of the two or plural audio signal, phase contrast, radio reception time difference
Etc. comparison condition, and using built-in audio operational method and following radio reception tupes processing these radio reception data, and
These radio reception data are sent to codec 330 by the second Audio Processing interface 360.
Codec 330 is couple to main processing units by the first Audio Processing interface 350 (high-resolution audio interface)
310, and radio reception processing unit 320 is couple to by the second Audio Processing interface 360 (integral chip acoustic interface).Namely
Say, main processing units 310 and its performed application can be led to by the first Audio Processing interface (HDA interfaces) 350
Know codec 330.When audio digital signal processor 326 transmits radio reception data to volume by the second Audio Processing interface 360
During decoder 330, codec 330 just will meet the second Audio Processing interface 350 according to current audio processing mode
Radio reception data are converted to the radio reception data for meeting the first Audio Processing interface 360, and will be turned by the first Audio Processing interface 360
Radio reception data after changing are supplied to main processing units 310 to carry out subsequent treatment.Also, main processing units 310 are by compiling
Decoder 330 and radio reception processing unit 320 are processing audio frequency.In the present embodiment, codec 330 is except by the second sound
Frequency is processed beyond the coupling radio reception of interface 360 processing unit 320, also (for example, can be led to by least one universal input output connecting pin
With input and output pin GPIO1, GPIO2) to couple radio reception processing unit 320, codec 330 can pass through these universal inputs
Output connecting pin GPIO1, GPIO2 transmit radio reception tupe signal, and in follow-up description illustrate radio reception tupe and
Its corresponding radio reception tupe signal.
Audio treatment unit 300 can adopt the first Audio Processing interface 350 and the second audio frequency in this case embodiment
The audio codec (codec) at interface 360 is processed realizing.In other words, codec 330 is to meet the first audio frequency
Process the voice data at interface 350 and meet the audio frequency mutually changed by the voice data at the second Audio Processing interface 360
Codec.On the other hand, audio codec is except passing as main processing units 310 and radio reception processing unit 320
Beyond data conversion bridge between defeated voice data, which also can be used to the voice data for providing main processing units 310
Decoded, and be converted to the audio signal that can be played to speaker amplifier 140 or earphone 170 so that Audio Processing
Device 300 is able to play music or recording file.
Control unit 340 couples the audio digital signal processor of main processing units 310 and radio reception processing unit 320
326.Control unit 340 utilizes controlling interface 370 to control audio digital signal processor 326, and the connection sound of control unit 340
The replacement pin RESET and wake-up pin WR of frequency word signal processor 326.Control unit 340 receives main processing units
310 control signal CS sleep pattern or starts which to determine that audio digital signal processor 326 is located at.For example, if
Control signal CS is electronegative potential, then control unit 340 can be located at audio digital signal processor 326 by controlling interface 370
Sleep pattern.If control signal CS is high potential, control unit 340 can pass through the wake-up of audio digital signal processor 326
Pin WR makes which wake up and start.Control unit 340 also can enable reset pin RESET resetting audio digital signal processor
326.This case embodiment is with embedded chip (Embedded chip；EC) realizing control unit 340, embedded core herein
Piece can, in the consumer electronic devices such as the computer system using this apparatus for processing audio 300, notebook computer ..., be carried out
The initialization of related software and hardware during start is used.The control unit 340 of this case can also utilize CPLD
Etc. (CPLD) realize, and be not only restricted to embedded chip.
Main processing units 310 control audio digital signal processor by the controlling interface 370 of control unit 340
326 so that radio reception processing unit 320 from outside wheat can wind 322,324 receive and process radio reception data.Controlling interface 370 can
Being inter-integrated circuit (I2C) interface.
Here illustrates main processing units 310 by codec 330 and radio reception processing unit 320 to process audio frequency
Activation manners.Demand based on user in application, radio reception information is in audio digital signal processor 326 and codec
In 330, judge whether in advance to filter the ambient sound and noise of radio reception information according to application demand, the radio reception information is being given
Give main processing units 310.Radio reception purposes is integrated into various radio reception tupes by this case embodiment, for example, call mode,
Speech recognition pattern, recording mode.Call mode is used to carry out phone or network with other people by this apparatus for processing audio 300
Communication is used, it is thus possible to needs to eliminate ambient sound and avoids the generation of feedback sound.Speech recognition pattern then needs strongly to disappear
Except ambient sound and noise, only retain the audio frequency of vocal sections, to avoid making a mistake when voice is recognized.Recording mode is then
Need ambient sound together radio reception is completely recorded.
As above-mentioned radio reception tupe needs to allow audio digital signal processor 326 to know, therefore control unit 340
In store the coding file for being provided to audio digital signal processor 326, use when radio reception processing unit 320 is started shooting,
Control unit 340 can encode file download in audio digital signal processor 326 for using by described.In other words, originally
The audio digital signal processor 326 of the radio reception processing unit 320 of case embodiment will will be from control when initializing or be reset
Unit 340 reads coding file, to be respectively provided with the demand of above-mentioned multiple radio reception tupes, and waits main processing units
310 pass through the first Audio Processing interface 350 and two universal input output connecting pin GPIO1,2 of codec 3330 is transmitted
And the radio reception tupe signal for coming.Codec 330 is by the first Audio Processing interface 350 with from main processing units 310
Radio reception tupe signal needed for obtaining, and by universal input output connecting pin GPIO1, GPIO2 with by radio reception tupe
Signal is sent to radio reception processing unit 320.Audio digital signal processor 326 just can be according to radio reception tupe signal from this
A little radio reception tupes select one of them, using the Audio Processing foundation as follow-up radio reception data.
For example, the radio reception tupe signal and radio reception transmitted by universal input output connecting pin GPIO1, GPIO2 is processed
The correspondence of pattern can be as shown in following table (1)：
Table (1)
| GPIO1 | GPIO2 | Radio reception tupe | |
| Logic | 0 | 0 | Sleep pattern |
| Logic | 0 | 1 | Call mode |
| Logic | 1 | 0 | Speech recognition pattern |
| Logic | 1 | 1 | Recording mode |
Wherein, sleep pattern represents that audio digital signal processor 326 can not required the use of at this moment, thus is located at
Sleep pattern is with power saving.Thereby, when control signal CS is maintained low level by main processing units 310, and by general output
Pin GPIO1, GPIO2 transmit two logics " 0 " when, audio digital signal processor 326 is located at sleep pattern.When main process
Control signal CS is set in high levle by unit 310, and general output connecting pin GPIO1, GPIO2 be respectively (logic " 0 "；Logic "
1 "), (logic " 1 "；Logic " 0 ") or (logic " 1 "；Logic " 1 "), the radio reception of audio digital signal processor 326 processes mould
Formula is just call, speech recognition or recording mode respectively.
In the present embodiment, codec 330 may be coupled to control unit 340, when main processing units 310 are wanted to allow
When audio digital signal processor 326 is located at sleep pattern, in addition to control signal CS can be allowed to maintain electronegative potential, can also lead to
Cross codec 330 to notify control unit 340, to make audio digital signal processor 326 enter to fall asleep by controlling interface 370
Sleep mode.When main processing units 310 intend to wake up audio digital signal processor 326, except control signal CS can be allowed to tie up
Hold beyond electronegative potential, control unit 340 also can be notified by codec 330, and passes through audio digital signal processor
326 wake-up pin WR makes which wake up and start.
On the other hand, audio digital signal processor 326 has to the clock signal CLK of characteristic frequency and can just be smoothed out
The clock signal of radio reception, e.g. 24MHz or 12MHz.If main processing units 310 can provide the seasonal pulse for meeting demand
Signal CLK, then directly can be provided by main processing units 310.If but main processing units 310 or other elements are simultaneously
When the clock signal CLK of characteristic frequency is not provided, then need to arrange clock pulse generator in addition to supply clock signal CLK.
Fig. 6 is the schematic diagram of apparatus for processing audio 600 described according to a second embodiment of the present invention.First embodiment and the
The Main Differences of two embodiments are that the apparatus for processing audio 600 of Fig. 6 also includes logic circuit 620 and clock pulse generator
610, and the clock signal CLK of audio digital signal processor 326 is provided by clock pulse generator 610.In detail, logic
Circuit 620 couples universal input output connecting pin GPIO1, GPIO2, and which is according to the selected multiple radio reception of radio reception tupe signal
One of tupe, uses offer seasonal pulse and produces signal ENCLK.The coupling radio reception of clock pulse generator 610 processing unit 320
Audio digital signal processor 326 and logic circuit 620, which receives seasonal pulse and produces signal ENCLK to decide whether during offer
Arteries and veins signal CLK is to radio reception processing unit 320.
The logic circuit 620 of the present embodiment is realized by OR gate (OR) 630, is understood based on above-mentioned table (1), if digital audio
Signal processor 326 is located at sleep pattern, that is, universal input output connecting pin GPIO1, GPIO2 are all logic " 0 " when, now
Seasonal pulse produce signal ENCLK will be electronegative potential so that clock pulse generator 610 can stop simultaneously offer clock signal CLK,
Use power saving.
If audio digital signal processor 326 is located at the pattern that other are operating, that is, universal input output connects
Foot GPIO1, GPIO2 at least one be logic " 1 " when, it will be high potential that seasonal pulse now produces signal ENCLK so that when
Pulse generator 610 can continue to provide clock signal CLK, allow audio digital signal processor 326 to keep on the go.
As the control unit 340 described in this case is to process used embedded in start using in consumer electronic devices
Formula chip, but this embedded chip will need to perform substantial amounts of function and to each when the start of consumer electronic devices is carried out
Software and hardware device is initialized, and causes the available machine time of consumer electronic devices extend.Therefore, this case proposes following the
Three embodiments are solving the above problems.Fig. 7 is the signal of apparatus for processing audio 700 described according to a third embodiment of the present invention
Figure.Fig. 7 is referred to, 3rd embodiment is to process for needed for reducing control unit 340 with the Main Differences of first embodiment
Data volume, apparatus for processing audio 700 is extra in radio reception processing unit 720 to increase memory element 728, and this memory element 728 is stored up
There is the coding file required in start of audio digital signal processor 326.That is, in the first embodiment, it is described
Coding file is previously stored control unit 340；In the third embodiment, encode file and be then stored in radio reception processing unit 720
Memory element 728.
Thereby, when the audio digital signal processor 326 of Fig. 7 is initialized, control unit 340 passes through controlling interface 370
Instruction is assigned to audio digital signal processor 326, so that audio digital signal processor 326 voluntarily passes through data transmission interface
727 (for example, I2C interfaces) and the coding file needed for obtaining from memory element 728.This case embodiment is erased formula using electronics
Read only memory (Electrically-Erasable Programmable Read-Only Memory can be made carbon copies；EEPROM)
To realize memory element 728, but answer can be known possess the equipment of store function to realize depositing with correlation using the present embodiment person
Storage unit 728.
Therefore, when apparatus for processing audio 700 needs to use function of radio receiver in the application program for performing correlation, will
Audio instructions are notified into codec 330 by the first Audio Processing interface (HDA interfaces) 350.Now, main processing units
310 can also utilize the first Audio Processing interface (HDA interfaces) 350 to provide the sound that clock signal CLK gives radio reception processing unit 728
Frequency word signal processor 326.Thereby, the audio frequency that codec 330 will be processed with regard to earphone 170 with loudspeaker 150～160 is believed
Number, and audio digital signal processor 326 can then process the audio signal with regard to mike 322～324.
Audio digital signal processor 326 itself can also possess electricity-saving function, that is to say, that as this case embodiment is adopted
Switch above-mentioned various radio reception tupes (referring to table (1)), therefore audio frequency with two GPIO pins GPIO1～GPIO2
As long as digital signal processor 326 receives the signal of sleep pattern, itself is entered into sleep pattern just；Comparatively, when
When audio digital signal processor 326 receives the signal in addition to sleep pattern, will be waken up and perform corresponding function.
When initializing to audio digital signal processor 326, as long as control unit 340 can also control data biography
Defeated interface 727 gives 326 download part of audio digital signal processor important coding file, and the purpose of these coding files is to allow
Audio digital signal processor 326 can wake up memory element 728.Then, audio digital signal processor 326 just can voluntarily from
Memory element 728 downloads remaining coding file, and after coding file download is finished, memory element 728 is entered and is slept
Pattern, to reach the purpose of power saving.If additionally, when need not carry out radio reception using mike 322,324, audio digital signals
Processor 326 also can be advanced into sleep pattern certainly.In sum, the apparatus for processing audio utilization described in the embodiment of the present invention can be by
First Audio Processing interface (e.g., high-resolution audio (HDA) interface) is with the second Audio Processing interface (e.g., integral chip acoustic
(I2S) interface) the codec (for example, audio codec (codec)) mutually changed of voice data, use as this case
Main processing units with the first Audio Processing interface and the bridge using data conversion between the second Audio Processing interface,
It is both above-mentioned so as to integrate, realize this Audio Processing.Thereby, apparatus for processing audio just can not receive the height of original central processing unit
Clear audio (HDA) interface is limited to, and different Audio Processing fortune can be realized using the audio digital processing device of any kind
Algorithm, without being only limitted to original beam shaping (beamforming) operation method.
Further, since beam shaping operation method must arrange radio equipment (mike) in sound source front, but according to which
He is not necessarily intended to arrange mike in locality preferably audio operational rule.Therefore, this case can allow mike setting more
Flexible, the apparatus for processing audio operated using contact panel can be also avoided because the glass that need to be produced in panel front holes is good
Rate and price problem, and the noise suppressed when region around apparatus for processing audio can be made all to carry out radio reception.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of apparatus for processing audio, it is characterised in that include：
One main processing units, including one first Audio Processing interface；
One radio reception processing unit, including one second Audio Processing interface, the radio reception processing unit are controlled by the main processing units,
From external reception and to process a radio reception data；
One control unit, couples the main processing units and the radio reception processing unit；And
One codec, respectively by this first and the second Audio Processing interface couple the main processing units and the radio reception
Processing unit, the wherein main processing units are by the controlling interface of the control unit so that the radio reception processing unit is connect from outside
The radio reception data are received and process, wherein the radio reception processing unit reads coding file to arrange at multiple radio reception from the control unit
Reason pattern, the wherein codec are coupled to this by an at least universal input output connecting pin and the second Audio Processing interface
The radio reception data are changed to meeting this by radio reception processing unit, the wherein codec from the second Audio Processing interface is met
The radio reception data are sent to the main processing units, and the main processing units pass through the volume by the first Audio Processing interface
Decoder and the radio reception processing unit processes audio frequency, the wherein codec are by the first Audio Processing interface with from the master
Want processing unit to obtain radio reception tupe signal, and pass through an at least universal input output connecting pin radio reception is processed mould
Formula signal is sent to the radio reception processing unit, with adjust the radio reception processing unit from those radio reception tupes select wherein it
One.
2. apparatus for processing audio according to claim 1, it is characterised in that also include：
One logic circuit, couples an at least universal input output connecting pin, is somebody's turn to do according to the radio reception tupe signal is selected
One of a little radio reception tupes produce signal to provide seasonal pulse；And
One clock pulse generator, couples the radio reception processing unit and the logic circuit, receives the seasonal pulse and produces signal to determine to be
No offer clock signal is to the radio reception processing unit.
3. apparatus for processing audio according to claim 1, it is characterised in that the control unit is embedded chip.
4. apparatus for processing audio according to claim 1, it is characterised in that the clock signal of the radio reception processing unit is by this
Main processing units are provided.
5. apparatus for processing audio according to claim 1, it is characterised in that the radio reception processing unit includes：
At least two radio equipments, are respectively installed on the diverse location of the apparatus for processing audio；And
Audio digital signal processor, couples at least two radio equipment, to receive and process the radio reception data.
6. apparatus for processing audio according to claim 1, it is characterised in that the radio reception processing unit also includes：
One memory element, couples the audio digital signal processor by data transmission interface, to store coded data,
Wherein, the control unit has controlled the audio digital signal processor when the audio digital signal processor is initialized
The coded data is downloaded from the memory element.
7. apparatus for processing audio according to claim 1, it is characterised in that the codec is to meet first audio frequency
The audio frequency mutually changed by the voice data for processing interface and the voice data for meeting the second Audio Processing interface compiles solution
Code device.
8. apparatus for processing audio according to claim 1, it is characterised in that the main processing units are Intel company
Central processing unit and/or platform courses hub, the first Audio Processing interface is high-resolution audio interface, and second audio frequency
It is integral chip acoustic interface to process interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475521.3A CN103841493B (en) | 2012-11-21 | 2012-11-21 | Audio processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2651849Y (en) * | 2003-08-28 | 2004-10-27 | 联想(北京)有限公司 | Carry-on computer with radio and recording function |
| CN101621727A (en) * | 2009-08-11 | 2010-01-06 | 威盛电子股份有限公司 | High-fidelity (Hi-Fi) audio system and driving method thereof |
| CN101926692A (en) * | 2010-07-09 | 2010-12-29 | 清华大学 | Speech signal processor for cochlear implant based on dual core processor |
| CN101958139A (en) * | 2010-08-10 | 2011-01-26 | 闫天时 | High definition lossless audio playing (HDAP) system |
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| CN2651849Y (en) * | 2003-08-28 | 2004-10-27 | 联想(北京)有限公司 | Carry-on computer with radio and recording function |
| CN101621727A (en) * | 2009-08-11 | 2010-01-06 | 威盛电子股份有限公司 | High-fidelity (Hi-Fi) audio system and driving method thereof |
| CN101926692A (en) * | 2010-07-09 | 2010-12-29 | 清华大学 | Speech signal processor for cochlear implant based on dual core processor |
| CN101958139A (en) * | 2010-08-10 | 2011-01-26 | 闫天时 | High definition lossless audio playing (HDAP) system |
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