CN104637495A - Electronic device and audio signal processing method - Google Patents

Electronic device and audio signal processing method Download PDF

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Publication number
CN104637495A
CN104637495A CN201310556288.6A CN201310556288A CN104637495A CN 104637495 A CN104637495 A CN 104637495A CN 201310556288 A CN201310556288 A CN 201310556288A CN 104637495 A CN104637495 A CN 104637495A
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data
signal
processing unit
electronic installation
sound
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CN201310556288.6A
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CN104637495B (en
Inventor
王震宇
陈振德
林建宏
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HTC Corp
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High Tech Computer Corp
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Abstract

An electronic device comprises a sound sensor, a storage module, a signal processing unit and a processing unit. The sound sensor is used for receiving a sound and generating a sound signal according to the sound; the signal processing unit is coupled with the sound sensor and used for receiving the sound signal and processing the sound signal according to set data to generate an audio signal; the processing unit is coupled with the signal processing unit, acquires first position data of the electronic device, determines set data according to the first position data and stores the audio signal into the storage module.

Description

Electronic installation and acoustic signal processing method
Technical field
The invention relates to a kind of electronic installation, particularly about a kind of electronic installation providing best recording quality.
Background technology
In recent years, portable electronic devices has become important communication tool.Along with maturation and the universalness of mobile communication network and product, the communication quality of portable electronic devices and additional functionality are developed and lifting constantly.Therefore, portable electronic devices also comes to be used more continually.
For example, there is increasing user to give up and use traditional digital camera, and directly use the camera model photograph configured in portable electronic devices instead.Lift another example, because traditional taping tool (such as, recording pen) cannot obtain easily in user location, the sound-recording function therefore having increasing user directly to use portable electronic devices to provide is recorded.
Be trend now owing to using multi-functional portable electronic devices, the quality how strengthening the additional functionality provided by portable electronic devices is a subject under discussion merited attention.
Summary of the invention
According to one embodiment of the invention, a kind of electronic installation comprises sound sensor, storage module, signal processing unit and processing unit.Sound sensor configuration reception one sound, and produce a voice signal according to this sound.Signal processing unit couples sound sensor, in order to receive voice signal, and according to a setting data processing audio signal to produce a sound signal.Processing unit couples signal processing unit, processing unit obtain electronic installation primary importance data, determine setting data according to primary importance data, and stored audio signal is in storage module.
According to another embodiment of the present invention, a kind of acoustic signal processing method, comprising: receive a sound by an electronic installation, and produces a voice signal according to this sound; Obtain primary importance data of electronic installation, and determine a setting data according to primary importance data; According to setting data processing audio signal, to produce a sound signal; A signal quality is judged according to this sound signal; This setting data is adjusted according to this signal quality; And according to this voice signal of setting data process of this adjustment, to produce this sound signal.
Accompanying drawing explanation
Fig. 1 is the electronic installation calcspar of display according to one embodiment of the invention.
Fig. 2 is the acoustic signal processing method process flow diagram of display according to one embodiment of the invention.
Fig. 3 shows acoustic signal processing method process flow diagram described according to another embodiment of the present invention.
[label declaration]
11 ~ wireless module; 100 ~ electronic installation;
110,120 ~ wireless communication module; 130 ~ processing unit;
140 ~ storage module; 150 ~ signal processing unit;
160 ~ analog-to-digital converter; 170 ~ sound sensor.
Embodiment
For making manufacture of the present invention, method of operating, target and advantage become apparent, several preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Embodiment:
Fig. 1 is the electronic installation calcspar of display according to one embodiment of the invention.Electronic installation 100 can be a portable electronic devices, such as, and flat computer, mobile phone, personal digital assistant etc.Electronic installation 100 can comprise a wireless module 11, and it can comprise more than one wireless communication module, such as, and wireless communication module 110 and 120.Wireless communication module 110 and 120 can follow different home control network communication protocols to provide wireless communication services.For example, according to one embodiment of the invention, wireless communication module 110 can be a satellite navigation system signals receiver (Satellite Navigation System Signal Receiver), in order to receive at least one satellite navigation system signals, and wireless communication module 120 can be a global system for mobile communications (Global System for Mobile Communications, be abbreviated as GSM) communication module, Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, be abbreviated as UMTS) communication module, Wireless Fidelity (Wireless Fidelity, be abbreviated as WiFi) communication module, worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, be abbreviated as WiMax) communication module, Long Term Evolution (Long Term Evolution, be abbreviated as LTE) communication module, the wherein one of bluetooth communication module etc., or other communication module further developed based on aforesaid mechanics of communication, and corresponding radio frequency transceiver and fundamental frequency signal treating apparatus (not shown) can be comprised, wherein radio frequency transceiver can follow corresponding home control network communication protocol to produce radiofrequency signal, and be responsible for transmit with from radio interface received RF signal, and fundamental frequency signal treating apparatus can follow corresponding home control network communication protocol process fundamental frequency signal.
Electronic installation 100 also can comprise processing unit 130, storage module 140, signal processing unit 150, analog-to-digital converter 160 and a sound sensor 170.Sound sensor 170 configures reception one sound, and produces a voice signal according to this sound.For example, sound sensor 170 can be driven by a record enable signal to start to receive sound and to record, and to produce a voice signal, wherein voice signal can be a simulating signal.Record enable signal can be produced according to the operation of user by processing unit 130.For example, when user opens recorded program and/or press record button (no matter being the button of entity or the button gone out by user's interface display), processing unit 130 may correspond to generation record enable signal, starts recording to drive sound sensor 170.The voice signal of simulation can be converted to the voice signal of numeral via analog-to-digital converter 160, and processes via signal processing unit 150, to produce sound signal.Signal processing unit 150 can via amplifying, reduce, filtering, noise to eliminate etc. mode processing audio signal, to produce sound signal.
According to one embodiment of the invention, the setting data processing audio signal that signal processing unit 150 can be different according to many groups, to reach best recording quality.For example, in one embodiment of the invention, the sustainable wireless signal according to receiving of one or many person of wireless communication module 110 and 120 orients the position at the current place of electronic installation 100, wireless communication module 110/120 can produce primary importance data according to the current position oriented further, and by primary importance data storing in storage module 140 or be directly supplied to processing unit 130.It should be noted that, in embodiments of the invention, wireless communication module 110/120 can in background (such as, be not shown in picture or in not affecting user's operating electronic devices when) constantly and automatically upgrade primary importance data according to the up-to-date positioning result obtained, make primary importance data can keep synchronous with the position at the actual place of electronic installation 100.In addition, it should be noted that primary importance data are not limited to comprise an outdoor or set address, the relevant informations such as the floor in a buildings, region, room number can also be comprised.
According to another embodiment of the present invention, when wireless communication module 110 configures reception one satellite navigation system signals, processing unit 130 also can according to satellite navigation system signals judge electronic installation 100 once latitude data, and transmit these longitude and latitude data to a server by wireless communication module 120, such as, a cloud server.Then, the processing unit 130 primary importance data of electronic installation 100 that can produce according to longitude and latitude data further by wireless communication module 120 reception server.
According to another embodiment again of the present invention, storage module 140 can store the multiple scheduling inputted in a calendar (can be software program or the database of a correspondence) by user and note down, and processing unit 130 can obtain user's information according to the scheduling record of user and current time, such as, the current position of user and electronic installation 100, user are about to or the place of ongoing activity and content etc.Processing unit 130 also can using the position acquired by scheduling record as primary importance data, be used to cannot by wireless signal orient electronic installation 100 at present position time use.
Scheduling due to positioning result and user is noted down and all can be obtained in random time, and therefore in embodiments of the invention, processing unit 130 can obtain primary importance data and user's information of electronic installation 100 in random time.In other words, in embodiments of the invention, the obtaining of primary importance data and user's information was not limited to before or after sound sensor 170 starts to record.
According to one embodiment of the invention, storage module 140 can configure storage one or many second place data further and correspond to the setting data of second place data.Processing unit 130 can judge whether primary importance data meet the second place data stored by storage module 140, when processing unit 130 judges primary importance data fit a certain second place data, signal processing unit 150 can according to the setting data processing audio signal corresponding to the second place data met, to produce sound signal.Processing unit 130 can further by audio signal storage in storage module 140.
It should be noted that, according to another embodiment of the present invention, second place data and correspond to the setting data of second place data and also can be taken from cloud server, and processing unit 130 can receive second place data and the setting data corresponding to second place data via wireless communication module 110/120, be stored in storage module 140 by second place data and corresponding to the setting data of second place data again, and the present invention is not limited to arbitrary embodiment.
In addition, according to another embodiment again of the present invention, the configurable storage of storage module 140 one or many time data, the second place data corresponding to time data and the setting data corresponding to second place data.Time data with the second place data corresponding to time data can be, such as, and described scheduling record or the record that other user inputs or electronic installation calculates.Processing unit 130 can judge whether the time that sound sensor 170 is triggered to receive sound meets time data further.When processing unit 130 judges that the time that sound sensor 170 is triggered to receive sound meets time data, processing unit 130 can determine second place data according to time data, determine that according to the second place data setting data and signal processing unit 150 can according to setting data processing audio signal, to produce sound signal.
More particularly, according to one embodiment of the invention, time data can comprise a very first time and one second time, when sound sensor 170 be triggered receive time of sound drop between the very first time and the second time time, processing unit 130 judges that the time that sound sensor 170 is triggered to receive sound meets time data.It should be noted that, time data, the second place data corresponding to time data and the setting data corresponding to second place data also can be taken from cloud server, and processing unit 130 can via wireless communication module 110/120 time of reception data, the second place data corresponding to time data and the setting data corresponding to second place data, again time data, second place data and the setting data corresponding to second place data are stored in storage module 140, and the present invention is not limited to arbitrary embodiment.
After processing unit 130 obtains first/second place data, a recording scene can be determined according to first/second place data.For example, recording scene can be indoor or outdoors, or open space or confined space, and the recording scene of indoor can be divided into interview, many people speech, multi-person conference etc. further.
After recording scene determines, processing unit 130 can obtain one or more environmental parameter according to recording scene further.According to one embodiment of the invention, environmental parameter can comprise one or many person of the noise amount in number, a space and the echo interference volume in a space in a spatial area, a space, wherein said space can be above-mentioned determine according to first/second place information indoor or outdoors space, opening or confined space, meeting room, lecture hall, interview room, household or personal office etc.In embodiments of the invention, first/second place information also can be regarded as comprising one or more described environmental parameter.
According to one embodiment of the invention, environmental parameter can be trained via repeatedly adaptive by the arithmetic unit (such as, processing unit 130, signal processing unit 150 or other device) in a high in the clouds arithmetic system or electronic installation 100 and obtain.For example, electronic installation 100 can be pursuant to the Signal estimation environmental parameter received in each environment (or above-mentioned space), and do adaptive training in local side or the high in the clouds environmental parameter continued estimated by different time, to obtain best environmental parameter.In addition, environmental parameter also can be inputted by user, or after being inputted by user again via the training of repeatedly adaptive to obtain best environmental parameter.
In addition, respectively one or more environmental parameter of recording corresponding to scene can be stored in the server in high in the clouds or the storage module 140 of electronic installation 100.When environmental parameter is stored in cloud server, electronic installation 100 can obtain one or more environmental parameter at present corresponding to recording scene from cloud server further.
When after the environmental parameter that processing unit 130 obtains corresponding to recording scene, one group of preferably setting data can be selected in the setting data that environmentally the certainly many groups of parameter are different further.According to one embodiment of the invention, the Selecting parameter corresponding to setting data comprises from a group: a signal gain value, a signal higher limit, a signal lower limit, whether start noise eliminate mechanism and whether start echo cancellor mechanism.Signal gain value can represent the yield value being applied to overall digital sound signal.Signal higher limit can represent the amplitude upper limit of the sound signal that need perform special processing, and wherein special processing can be such as, is suppressed over the audio signal amplitude of higher limit.Signal lower limit can represent the amplitude lower limit of the sound signal that need perform special processing, and wherein special processing can be such as, promotes the audio signal amplitude lower than lower limit.It is the noise eliminated in space that noise eliminates mechanism, and wherein this noise can be the noise of normality type, such as, and the background noise etc. of outdoor or the interior space.Echo cancellor mechanism is the noise eliminated in space, wherein echo can be echoing of producing in response to the sound signal produced in space, and the size of echo and generation time can sound signal that environmentally parameter and sound source (speaker such as, in space) produce estimate.
According to one embodiment of the invention, setting data also can be trained via repeatedly adaptive by the arithmetic unit (such as, processing unit 130, signal processing unit 150 or other device) in a high in the clouds arithmetic system or electronic installation 100 and obtain.For example, electronic installation 100 or the sustainable recording result obtained according to different time of high in the clouds arithmetic system do adaptive training, to obtain best setting data.Setting data can be stored in the server in high in the clouds or the storage module 140 of electronic installation 100.When setting data is stored in cloud server, electronic installation 100 can select one group of preferably setting data according to the environmental parameter of gained from cloud server further in the setting data that many groups are different.
When processing unit 130 obtains preferably after setting data, further preferably setting data can be supplied to signal processing unit 150, signal processing unit 150 according to preferably setting data process digital audio and video signals, to produce the sound signal processed.
In addition, according to one embodiment of the invention, processing unit 130 can the signal quality of sound signal crossed of analyzing and processing further, and the content of the setting data used according to signal quality adjustment, and then adjusted setting data is stored back storage module 140 or high in the clouds arithmetic system.The operation of this adjustment can be performed separately, or is integrated in above-mentioned adaptive training program, and the present invention is not limited to any one embodiment.
Fig. 2 is the acoustic signal processing method process flow diagram of display according to one embodiment of the invention.First, receive a sound by electronic installation, and produce a voice signal (step S202) according to this sound.Then, obtain the primary importance data of electronic installation, and determine a setting data (step S204) according to primary importance data.Then, according to setting data processing audio signal, to produce a sound signal (step S206).It should be noted that Audio Signal Processing flow process can terminate when sound sensor 170 receives a recording stop signal.Recording stop signal can be produced according to the operation of user by processing unit 130.For example, when user stops recorded program and/or press stopping record button (no matter being the button of entity or the button gone out by user's interface display), processing unit 130 may correspond to and produces recording stop signal, stops recording to drive sound sensor 170.
Fig. 3 shows acoustic signal processing method process flow diagram described according to another embodiment of the present invention.First, analyze the sound signal of the process obtained in step S206, to obtain a recording quality (step S302).Determine whether adjust corresponding setting data (step S304) according to analysis result and/or recording quality.If so, then adjust corresponding setting data, and store adjusted setting data (step S306).If not, then any process is not done.It should be noted that the flow process of Fig. 3 can after the flow process of Fig. 2 terminates, or in Fig. 2 flow process not yet at the end of be performed, the present invention is not limited to any one embodiment.
The above embodiment of the present invention can perform in many ways, such as, use hardware, software or its combination to perform.It will be understood by a person skilled in the art that execution any assembly of above-mentioned functions or the set of assembly can be regarded as the processor of one or more control above-mentioned functions.This one or more processor can perform in many ways, and such as, by specifying hardware, or the common hardware using microcode or software to programme is to perform above-mentioned functions.
Though the present invention discloses as above with preferred embodiment; so itself and be not used to limit scope of the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the appended right person of defining.

Claims (14)

1. an electronic installation, comprising:
One sound sensor, configuration reception one sound, this sound sensor produces a voice signal according to this sound;
One storage module;
One signal processing unit, couples this sound sensor, and in order to receive this voice signal, this signal processing unit is according to this voice signal of setting data process and produce a sound signal; And
One processing unit, couples this signal processing unit, and this processing unit obtains primary importance data of this electronic installation, and this processing unit determines this setting data according to these primary importance data, and this processing unit stores this sound signal in this storage module.
2. electronic installation according to claim 1, also comprise a wireless module, couple this processing unit, configuration reception one wireless signal, this processing unit judges this primary importance data according to this wireless signal, and wherein this wireless module comprises a satellite navigation system signals receiver, this satellite navigation system signals receiver receives this wireless signal, and this processing unit judges these primary importance data of this electronic installation according to this wireless signal.
3. electronic installation according to claim 1, also comprise a satellite navigation system signals receiver and a wireless communication module, this satellite navigation system signals receiver receives at least one satellite navigation system signals, this processing unit according to this satellite navigation system signals judge this electronic installation once latitude data, this processing unit transmits these longitude and latitude data to a server via this wireless communication module, and this processing unit receives these primary importance data of this electronic installation that this server produces according to these longitude and latitude data via this wireless communication module.
4. electronic installation according to claim 2, wherein this storage module configuration storage one second place data and this setting data corresponding to these second place data, this processing unit judges these primary importance data of this electronic installation according to this wireless signal, and judge whether these primary importance data meet this second place data, when this processing unit judges these second place data of this primary importance data fit, this signal processing unit according to corresponding to this this voice signals of setting data process of this second place data, to produce this sound signal.
5. electronic installation according to claim 2, also comprise a wireless communication module, this processing unit receives a second place data via this wireless communication module and corresponds to this setting datas of this second place data, and stores these second place data and this setting data in this storage module.
6. electronic installation according to claim 2, wherein this storage module configuration storage one time data, the second place data corresponding to this time data and this setting data corresponding to these second place data, when this processing unit judges that the time that this sound sensor is triggered to receive this sound meets this time data, this processing unit determines these second place data according to this time data, determine this setting data according to these second place data and according to this this voice signal of setting data process, to produce this sound signal.
7. electronic installation according to claim 7, also comprise a wireless communication module, this processing unit receives this time data, these second place data corresponding to this time data and this setting data corresponding to these second place data via this wireless communication module, and stores this time data, these second place data and this setting data in this storage module.
8. electronic installation according to claim 1, wherein this processing unit judges a signal quality according to this sound signal, this processing unit adjusts this setting data according to this signal quality, and this signal processing unit is according to this voice signal of setting data process of this adjustment, to produce this sound signal.
9. an acoustic signal processing method, comprising:
Receive a sound by an electronic installation, and produce a voice signal according to this sound;
Obtain primary importance data of this electronic installation, and determine a setting data according to these primary importance data;
According to this this voice signal of setting data process, to produce a sound signal;
A signal quality is judged according to this sound signal;
This setting data is adjusted according to this signal quality; And
According to this voice signal of setting data process of this adjustment, to produce this sound signal.
10. method according to claim 9, also comprises:
Receive a wireless signal, and judge this primary importance data according to this wireless signal.
11. methods according to claim 9, also comprise:
Receive at least one satellite navigation system signals;
According to this satellite navigation system signals judge this electronic installation once latitude data;
Transmit these longitude and latitude data to a server; And
Receive these primary importance data of this electronic installation that this server produces according to these longitude and latitude data.
12. methods according to claim 10, also comprise:
Judge whether these primary importance data meet the second place data stored by a storage module of this electronic installation; And
When these second place data of this primary importance data fit, according to this this voice signal of setting data process corresponding to these second place data, to produce this sound signal.
13. methods according to claim 10, also comprise:
Receive a second place data and this setting data corresponding to these second place data; And
These second place data and this setting data are stored in a storage module of this electronic installation.
14. methods according to claim 9, also comprise:
A wireless communication module via this electronic installation receives a time data, the second place data corresponding to this time data and this setting data corresponding to these second place data;
By this time data, the storage module being stored in this electronic installation corresponding to these second place data and this setting data corresponding to these second place data of this time data;
Judge whether the time receiving this sound meets this time data;
When the time receiving this sound meets this time data, determine this setting data according to these second place data, and according to this this voice signal of setting data process, to produce this sound signal.
CN201310556288.6A 2013-11-08 2013-11-08 Electronic device and acoustic signal processing method Active CN104637495B (en)

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