CN105338170A - Method and device for filtering background noise - Google Patents
Method and device for filtering background noise Download PDFInfo
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- CN105338170A CN105338170A CN201510613117.1A CN201510613117A CN105338170A CN 105338170 A CN105338170 A CN 105338170A CN 201510613117 A CN201510613117 A CN 201510613117A CN 105338170 A CN105338170 A CN 105338170A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 238000000605 extraction Methods 0.000 claims description 32
- 230000006854 communication Effects 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012217 deletion Methods 0.000 claims description 6
- 230000037430 deletion Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72466—User interfaces specially adapted for cordless or mobile telephones with selection means, e.g. keys, having functions defined by the mode or the status of the device
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the invention discloses a method and device for filtering background noise. The method comprises steps of: detecting whether an instruction triggered by a user for acquiring background noise is received; if yes, acquiring the background noise of the environment where a mobile terminal is located according to the instruction; and filtering the background noise in real time when a user is in a conversation. Thus, in a phone calling process, a key or touch screen button is pressed in noisy environment to remove noise and synchronously record the environmental noise, the background noise similar to the sampled voice is filtered by voice processing. Accordingly, the phone calling process is not influenced by the background noise.
Description
Technical field
The embodiment of the present invention relates to the technical field of mobile terminal, particularly relates to a kind of method and device of filter out background noise.
Background technology
Under noisy environment, make a phone call not only oneself not hear, the other side does not hear yet, and some utilizes earphone not hear reluctantly, but the other side still can cause not hearing because of the noise of the call other end, thus affects the experience of phone under noisy environment.
Summary of the invention
The object of the embodiment of the present invention is the method and the device that propose a kind of filter out background noise, is intended to the problem that solution double-talk cannot not heard under noisy environment.
For reaching this object, the embodiment of the present invention by the following technical solutions:
First aspect, a kind of method of filter out background noise, comprising:
Detect the instruction whether receiving the background extraction noise that user triggers;
If so, the background noise of mobile terminal place environment is then obtained according to described instruction;
The background noise described in real-time filtering when described user's communication.
Preferably, whether described detection receives the instruction of the background extraction noise that user triggers, and comprising:
Detect the button whether described user touches background extraction noise; Or,
The button whether described user touches background extraction noise is detected in described user's communication; Or,
The button of background extraction noise whether is touched the user described in the gap detection of dialogue that do not have of described user's communication process.
Preferably, after the described background noise according to described instruction acquisition mobile terminal place environment, also comprise:
Described background noise is stored according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
Preferably, describedly, also to comprise before background noise described in real-time filtering when described user's communication:
Receive the instruction of the selection background noise that described user triggers;
The background noise corresponding with described instruction is selected from the background noise prestored;
The background noise described in real-time filtering when described user's communication.
Preferably, described method also comprises:
Detect described user and whether touch the button deleting background noise;
If so, then from the background noise prestored, background noise is deleted according to the button of described deletion background noise.
Second aspect, a kind of device of filter out background noise, described device comprises:
First detection module, for detecting the instruction whether receiving the background extraction noise that user triggers;
If so, acquisition module, for then obtaining the background noise of mobile terminal place environment according to described instruction;
First filtering module, for background noise described in the real-time filtering when described user's communication.
Preferably, described first detection module, comprising:
First detecting unit, for detecting the instruction whether receiving the background extraction noise that user triggers;
Second detecting unit, for detecting the button whether described user touches background extraction noise in described user's communication;
Whether the 3rd detecting unit, touch the button of background extraction noise for the user described in the gap detection of dialogue that do not have in described user's communication process.
Preferably, described device also comprises:
Memory module, for storing described background noise according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
Preferably, described device also comprises:
Receiver module, for receiving the instruction of the selection background noise that described user triggers;
Select module, for selecting the background noise corresponding with described instruction from the background noise prestored;
Second filtering module, for filtering background noise described in real-time filtering when described user's communication.
Preferably, described device also comprises:
Whether the second detection module, touch for detecting described user the button deleting background noise;
If so, removing module, for then deleting background noise according to the button of described deletion background noise from the background noise prestored.
Whether the embodiment of the present invention receives the instruction of the background extraction noise that user triggers by detecting; If so, the background noise of mobile terminal place environment is then obtained according to described instruction; The background noise described in real-time filtering when described user's communication, thus in the process of making a phone call, when pinning key or touchscreen button de-noising under noisy environment, synchronously environmental noise is recorded, filtered out and similar background noise of recording of sampling by speech processes, the impact not by environmental noise when can record in the process of making a phone call.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method first embodiment of embodiment of the present invention filter out background noise;
Fig. 2 is the schematic flow sheet of method second embodiment of embodiment of the present invention filter out background noise;
Fig. 3 is the schematic flow sheet of method the 3rd embodiment of embodiment of the present invention filter out background noise;
Fig. 4 is the schematic flow sheet of method the 4th embodiment of embodiment of the present invention filter out background noise;
Fig. 5 is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise;
Fig. 6 is the high-level schematic functional block diagram of embodiment of the present invention first detection module;
Fig. 7 is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise;
Fig. 8 is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise;
Fig. 9 is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise.
Embodiment
Below in conjunction with drawings and Examples, the embodiment of the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the embodiment of the present invention, but not the restriction to the embodiment of the present invention.It also should be noted that, for convenience of description, illustrate only the part relevant to the embodiment of the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
It is the schematic flow sheet of method first embodiment of embodiment of the present invention filter out background noise with reference to figure 1, Fig. 1.
In embodiment one, described method comprises:
Step 101, detects the instruction whether receiving the background extraction noise that user triggers;
Preferably, whether described detection receives the instruction of the background extraction noise that user triggers, and comprising:
Detect the button whether described user touches background extraction noise; Or,
The button whether described user touches background extraction noise is detected in described user's communication; Or,
The button of background extraction noise whether is touched the user described in the gap detection of dialogue that do not have of described user's communication process.
Step 102, if so, then obtains the background noise of mobile terminal place environment according to described instruction;
Step 103, the background noise described in real-time filtering when described user's communication.
Concrete, when mobile terminal incoming call, when in a noisy environment, during with hand button or touchscreen button, synchronous background extraction noise; When loosing one's grip, speech processes is carried out, as the sampling of background noise to the recording of this period.When normal talking, automatic fitration is sampled similar background noise, also can press & hold, gather the background noise of the other side in the dumb gap of the other side, make the voice of receiver become clear; Also can further in the process pinned, synchronously carry out filtration treatment, synchronously hear the program of filtration, record length is longer, and the voice of collection are more, and the process of background noise is also more clear.When gathering background sound, when collecting the voice affecting normal talking, the speech samples deleting admission can be selected, and do not need the background noise that Resurvey is new.
Whether the embodiment of the present invention receives the instruction of the background extraction noise that user triggers by detecting; If so, the background noise of mobile terminal place environment is then obtained according to described instruction; The background noise described in real-time filtering when described user's communication, thus in the process of making a phone call, when pinning key or touchscreen button de-noising under noisy environment, synchronously environmental noise is recorded, filtered out and similar background noise of recording of sampling by speech processes, the impact not by environmental noise when can record in the process of making a phone call.
Embodiment two
It is the schematic flow sheet of method second embodiment of embodiment of the present invention filter out background noise with reference to figure 2, Fig. 2.
On the basis of embodiment one, after the described background noise according to described instruction acquisition mobile terminal place environment, also comprise:
Step 104, described background noise is stored according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
Embodiment three
It is the schematic flow sheet of method the 3rd embodiment of embodiment of the present invention filter out background noise with reference to figure 3, Fig. 3.
In embodiment two, describedly, also to comprise before background noise described in real-time filtering when described user's communication:
Step 105, receives the instruction of the selection background noise that described user triggers;
Step 106, selects the background noise corresponding with described instruction from the background noise prestored;
Step 107, the background noise described in real-time filtering when described user's communication.
Embodiment four
It is the schematic flow sheet of method the 4th embodiment of embodiment of the present invention filter out background noise with reference to figure 4, Fig. 4.
On the basis of embodiment one or embodiment two or embodiment three, to be described on the basis of embodiment three, described method also comprises:
Step 108, detects described user and whether touches the button deleting background noise;
Step 109, if so, then deletes background noise according to the button of described deletion background noise from the background noise prestored.
Embodiment five
It is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise with reference to figure 5, Fig. 5.
In embodiment five, the device of described filter out background noise comprises:
First detection module 501, for detecting the instruction whether receiving the background extraction noise that user triggers;
Preferably, with reference to figure 6, Fig. 6 be the high-level schematic functional block diagram of embodiment of the present invention first detection module.Described first detection module 501, comprising:
First detecting unit 601, for detecting the instruction whether receiving the background extraction noise that user triggers;
Second detecting unit 602, for detecting the button whether described user touches background extraction noise in described user's communication;
Whether the 3rd detecting unit 603, touch the button of background extraction noise for the user described in the gap detection of dialogue that do not have in described user's communication process.
If so, acquisition module 502, for then obtaining the background noise of mobile terminal place environment according to described instruction;
First filtering module 503, for background noise described in the real-time filtering when described user's communication.
Concrete, when mobile terminal incoming call, when in a noisy environment, during with hand button or touchscreen button, synchronous background extraction noise; When loosing one's grip, speech processes is carried out, as the sampling of background noise to the recording of this period.When normal talking, automatic fitration is sampled similar background noise, also can press & hold, gather the background noise of the other side in the dumb gap of the other side, make the voice of receiver become clear; Also can further in the process pinned, synchronously carry out filtration treatment, synchronously hear the program of filtration, record length is longer, and the voice of collection are more, and the process of background noise is also more clear.When gathering background sound, when collecting the voice affecting normal talking, the speech samples deleting admission can be selected, and do not need the background noise that Resurvey is new.
Whether the embodiment of the present invention receives the instruction of the background extraction noise that user triggers by detecting; If so, the background noise of mobile terminal place environment is then obtained according to described instruction; The background noise described in real-time filtering when described user's communication, thus in the process of making a phone call, when pinning key or touchscreen button de-noising under noisy environment, synchronously environmental noise is recorded, filtered out and similar background noise of recording of sampling by speech processes, the impact not by environmental noise when can record in the process of making a phone call.
Embodiment six
It is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise with reference to figure 7, Fig. 7.
On the basis of embodiment five, described device also comprises:
Memory module 504, for storing described background noise according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
Embodiment seven
It is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise with reference to figure 8, Fig. 8.
On the basis of embodiment six, described device also comprises:
Receiver module 505, for receiving the instruction of the selection background noise that described user triggers;
Select module 506, for selecting the background noise corresponding with described instruction from the background noise prestored;
Second filtering module 507, for filtering background noise described in real-time filtering when described user's communication.
Embodiment eight
It is the high-level schematic functional block diagram of the device of embodiment of the present invention filter out background noise with reference to figure 9, Fig. 9.
On the basis of embodiment five to embodiment seven, to be described on the basis of embodiment seven, described device also comprises:
Whether the second detection module 508, touch for detecting described user the button deleting background noise;
If so, removing module 509, for then deleting background noise according to the button of described deletion background noise from the background noise prestored.
Below the know-why of the embodiment of the present invention is described in conjunction with specific embodiments.These describe the principle just in order to explain the embodiment of the present invention, and can not be interpreted as the restriction to embodiment of the present invention protection range by any way.Based on explanation herein, those skilled in the art does not need to pay other embodiment that performing creative labour can associate the embodiment of the present invention, these modes all by fall into the embodiment of the present invention protection range within.
Claims (10)
1. a method for filter out background noise, is characterized in that, described method comprises:
Detect the instruction whether receiving the background extraction noise that user triggers;
If so, the background noise of mobile terminal place environment is then obtained according to described instruction;
The background noise described in real-time filtering when described user's communication.
2. method according to claim 1, is characterized in that, whether described detection receives the instruction of the background extraction noise that user triggers, and comprising:
Detect the button whether described user touches background extraction noise; Or,
The button whether described user touches background extraction noise is detected in described user's communication; Or,
The button of background extraction noise whether is touched the user described in the gap detection of dialogue that do not have of described user's communication process.
3. method according to claim 1, is characterized in that, after the described background noise according to described instruction acquisition mobile terminal place environment, also comprises:
Described background noise is stored according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
4. method according to claim 3, is characterized in that, describedly, also comprises before background noise described in real-time filtering when described user's communication:
Receive the instruction of the selection background noise that described user triggers;
The background noise corresponding with described instruction is selected from the background noise prestored;
The background noise described in real-time filtering when described user's communication.
5. the method according to Claims 1-4 any one, is characterized in that, described method also comprises:
Detect described user and whether touch the button deleting background noise;
If so, then from the background noise prestored, background noise is deleted according to the button of described deletion background noise.
6. a device for filter out background noise, is characterized in that, described device comprises:
First detection module, for detecting the instruction whether receiving the background extraction noise that user triggers;
If so, acquisition module, for then obtaining the background noise of mobile terminal place environment according to described instruction;
First filtering module, for background noise described in the real-time filtering when described user's communication.
7. device according to claim 6, is characterized in that, described first detection module, comprising:
First detecting unit, for detecting the instruction whether receiving the background extraction noise that user triggers;
Second detecting unit, for detecting the button whether described user touches background extraction noise in described user's communication;
Whether the 3rd detecting unit, touch the button of background extraction noise for the user described in the gap detection of dialogue that do not have in described user's communication process.
8. device according to claim 6, is characterized in that, described device also comprises:
Memory module, for storing described background noise according to the storage mode pre-set, described storage mode is included in the position that pre-sets and stores background noise and the mark corresponding with described background noise, and described mark comprises time of the described background noise got, scene and mode.
9. device according to claim 8, is characterized in that, described device also comprises:
Receiver module, for receiving the instruction of the selection background noise that described user triggers;
Select module, for selecting the background noise corresponding with described instruction from the background noise prestored;
Second filtering module, for filtering background noise described in real-time filtering when described user's communication.
10. the device according to claim 6 to 9 any one, is characterized in that, described device also comprises:
Whether the second detection module, touch for detecting described user the button deleting background noise;
If so, removing module, for then deleting background noise according to the button of described deletion background noise from the background noise prestored.
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| CN201510613117.1A CN105338170A (en) | 2015-09-23 | 2015-09-23 | Method and device for filtering background noise |
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| CN201510613117.1A CN105338170A (en) | 2015-09-23 | 2015-09-23 | Method and device for filtering background noise |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106297779A (en) * | 2016-07-28 | 2017-01-04 | 块互动（北京）科技有限公司 | A kind of background noise removing method based on positional information and device |
| CN107240403A (en) * | 2016-03-28 | 2017-10-10 | 阿里巴巴集团控股有限公司 | Sonic transmissions method and device |
| CN108766453A (en) * | 2018-05-24 | 2018-11-06 | 江西午诺科技有限公司 | Voice de-noising method, device, readable storage medium storing program for executing and mobile terminal |
| CN111739549A (en) * | 2020-08-17 | 2020-10-02 | 北京灵伴即时智能科技有限公司 | Sound optimization method and sound optimization system |
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| US20110300806A1 (en) * | 2010-06-04 | 2011-12-08 | Apple Inc. | User-specific noise suppression for voice quality improvements |
| CN103219011A (en) * | 2012-01-18 | 2013-07-24 | 联想移动通信科技有限公司 | Noise reduction method, noise reduction device and communication terminal |
| CN104599675A (en) * | 2015-02-09 | 2015-05-06 | 宇龙计算机通信科技(深圳)有限公司 | Speech processing method, device and terminal |
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| US20110300806A1 (en) * | 2010-06-04 | 2011-12-08 | Apple Inc. | User-specific noise suppression for voice quality improvements |
| CN103219011A (en) * | 2012-01-18 | 2013-07-24 | 联想移动通信科技有限公司 | Noise reduction method, noise reduction device and communication terminal |
| CN104599675A (en) * | 2015-02-09 | 2015-05-06 | 宇龙计算机通信科技(深圳)有限公司 | Speech processing method, device and terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240403A (en) * | 2016-03-28 | 2017-10-10 | 阿里巴巴集团控股有限公司 | Sonic transmissions method and device |
| CN107240403B (en) * | 2016-03-28 | 2021-08-27 | 阿里巴巴集团控股有限公司 | Sound wave transmission method and device |
| CN106297779A (en) * | 2016-07-28 | 2017-01-04 | 块互动（北京）科技有限公司 | A kind of background noise removing method based on positional information and device |
| CN108766453A (en) * | 2018-05-24 | 2018-11-06 | 江西午诺科技有限公司 | Voice de-noising method, device, readable storage medium storing program for executing and mobile terminal |
| CN111739549A (en) * | 2020-08-17 | 2020-10-02 | 北京灵伴即时智能科技有限公司 | Sound optimization method and sound optimization system |
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