CN105338170A - Method and device for filtering background noise - Google Patents

Abstract

The embodiment of the invention discloses a method and a device for filtering background noise, which are used for detecting whether an instruction for acquiring the background noise triggered by a user is received; if yes, acquiring background noise of the environment where the mobile terminal is located according to the instruction; real-time filtering during the user's conversation background noise to at the in-process of making a call, when pressing down key or touch-sensitive screen button noise reduction under noisy environment, the synchronous recording of environmental noise, filter through speech processing and filter the background noise similar with the sampling recording, can not receive environmental noise's influence when making a call in-process recording.

Description

A method and device for filtering background noise

technical field

Embodiments of the present invention relate to the technical field of mobile terminals, and in particular to a method and device for filtering background noise.

Background technique

In a noisy environment, not only you can’t hear clearly, but also the other party can’t hear clearly. Some people can barely hear you with earphones, but the other party still can’t hear clearly because of the noise on the other end of the call, which affects the phone in a noisy environment. experience.

Contents of the invention

The purpose of the embodiments of the present invention is to provide a method and device for filtering background noise, aiming at solving the problem that the conversation between two parties cannot be heard clearly in a noisy environment.

To achieve this purpose, the embodiments of the present invention adopt the following technical solutions:

In the first aspect, a method for filtering out background noise, comprising:

Detect whether an instruction to acquire background noise triggered by the user is received;

If so, then acquire the background noise of the environment where the mobile terminal is located according to the instruction;

The background noise is filtered out in real time when the user is talking.

Preferably, the detecting whether an instruction to acquire background noise triggered by a user is received includes:

detecting whether said user has touched a key to capture background noise; or,

Detecting whether the user touches a button for obtaining background noise during the user's call; or,

It is detected whether the user touches a button for acquiring background noise during a gap in which there is no dialogue during the user's conversation.

Preferably, after acquiring the background noise of the environment where the mobile terminal is located according to the instruction, it further includes:

Store the background noise according to a preset storage method, the storage method includes storing the background noise and an identifier corresponding to the background noise at a preset location, and the identifier includes the acquired time and scene of the background noise and way.

Preferably, before the real-time filtering of the background noise when the user is talking, the method further includes:

receiving an instruction for selecting background noise triggered by the user;

selecting a background noise corresponding to the instruction from pre-stored background noises;

The background noise is filtered out in real time when the user is talking.

Preferably, the method also includes:

Detecting whether the user touches a button to delete background noise;

If yes, then delete the background noise from the pre-stored background noise according to the key to delete the background noise.

In a second aspect, a device for filtering background noise, the device includes:

A first detection module, configured to detect whether an instruction to acquire background noise triggered by a user is received;

The obtaining module is used to obtain the background noise of the environment where the mobile terminal is located according to the instruction if so;

The first filtering module is configured to filter the background noise in real time when the user is talking.

Preferably, the first detection module includes:

A first detection unit, configured to detect whether an instruction to acquire background noise triggered by a user is received;

A second detection unit, configured to detect whether the user touches a button for acquiring background noise during the user's call;

The third detection unit is configured to detect whether the user touches a button for acquiring background noise during a gap in which the user is not talking.

Preferably, the device also includes:

A storage module, configured to store the background noise according to a preset storage method, the storage method including storing the background noise and an identifier corresponding to the background noise at a preset location, the identifier including the obtained background noise The time, scene and manner of the noise.

Preferably, the device also includes:

A receiving module, configured to receive an instruction to select background noise triggered by the user;

a selection module, configured to select the background noise corresponding to the instruction from pre-stored background noises;

The second filtering module is configured to filter out the background noise in real time when the user is talking.

Preferably, the device also includes:

The second detection module is used to detect whether the user touches the button for deleting background noise;

The deletion module is configured to delete the background noise from the pre-stored background noise according to the key to delete the background noise if yes.

The embodiment of the present invention detects whether an instruction to obtain background noise triggered by the user is received; if so, obtains the background noise of the environment where the mobile terminal is located according to the instruction; During the phone call, when you press and hold the key or the touch screen button to cancel the noise in a noisy environment, the environmental noise will be recorded synchronously, and the background noise similar to the sampling recording will be filtered out through voice processing, so that the recording during the phone call will not be affected by the environment. the effect of noise.

Description of drawings

FIG. 1 is a schematic flowchart of a first embodiment of a method for filtering background noise in an embodiment of the present invention;

FIG. 2 is a schematic flowchart of a second embodiment of a method for filtering background noise according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of a third embodiment of a method for filtering background noise according to an embodiment of the present invention;

FIG. 4 is a schematic flowchart of a fourth embodiment of a method for filtering background noise according to an embodiment of the present invention;

5 is a schematic diagram of functional modules of a device for filtering background noise according to an embodiment of the present invention;

6 is a schematic diagram of functional modules of a first detection module according to an embodiment of the present invention;

7 is a schematic diagram of functional modules of a device for filtering background noise according to an embodiment of the present invention;

8 is a schematic diagram of functional modules of a device for filtering background noise according to an embodiment of the present invention;

Fig. 9 is a schematic diagram of functional modules of an apparatus for filtering background noise according to an embodiment of the present invention.

detailed description

The embodiments of the present invention will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present invention, rather than to limit the embodiments of the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the embodiments of the present invention.

Embodiment one

Referring to FIG. 1 , FIG. 1 is a schematic flowchart of a first embodiment of a method for filtering background noise according to an embodiment of the present invention.

In embodiment one, the method includes:

Step 101, detecting whether an instruction to acquire background noise triggered by a user is received;

Preferably, the detecting whether an instruction to acquire background noise triggered by a user is received includes:

detecting whether said user has touched a key to capture background noise; or,

Detecting whether the user touches a button for obtaining background noise during the user's call; or,

It is detected whether the user touches a button for acquiring background noise during a gap in which there is no dialogue during the user's conversation.

Step 102, if yes, then acquire the background noise of the environment where the mobile terminal is located according to the instruction;

Step 103, filtering out the background noise in real time when the user is talking.

Specifically, when the mobile terminal phone calls, when in a noisy environment, when pressing a button or touching a button on the screen, the background noise is acquired synchronously; sampling. During a normal call, it will automatically filter and sample similar background noise. You can also press and hold the button to collect the background noise of the other party when the other party is not speaking, so that the voice of the earpiece becomes clear; Carry out the filtering process and hear the filtering program synchronously. The longer the recording time, the more voices are collected, and the background noise processing is clearer. When collecting background voice, if the voice that affects the normal call is collected, you can choose to delete the recorded voice sample without re-collecting new background noise.

The embodiment of the present invention detects whether an instruction to obtain background noise triggered by the user is received; if so, obtains the background noise of the environment where the mobile terminal is located according to the instruction; During the phone call, when you press and hold the key or the touch screen button to cancel the noise in a noisy environment, the environmental noise will be recorded synchronously, and the background noise similar to the sampling recording will be filtered out through voice processing, so that the recording during the phone call will not be affected by the environment. the effect of noise.

Embodiment two

Referring to FIG. 2 , FIG. 2 is a schematic flowchart of a second embodiment of a method for filtering background noise according to an embodiment of the present invention.

On the basis of Embodiment 1, after acquiring the background noise of the environment where the mobile terminal is located according to the instruction, it further includes:

Step 104: Store the background noise according to a preset storage method, the storage method includes storing the background noise and an identifier corresponding to the background noise at a preset location, and the identifier includes the acquired background noise When, where and how.

Embodiment three

Referring to FIG. 3 , FIG. 3 is a schematic flowchart of a third embodiment of a method for filtering background noise according to an embodiment of the present invention.

In the second embodiment, before the real-time filtering of the background noise when the user is talking, it also includes:

Step 105, receiving an instruction to select background noise triggered by the user;

Step 106, selecting background noise corresponding to the instruction from pre-stored background noise;

Step 107, filtering out the background noise in real time when the user is talking.

Embodiment Four

Referring to FIG. 4 , FIG. 4 is a schematic flowchart of a fourth embodiment of a method for filtering background noise according to an embodiment of the present invention.

On the basis of Embodiment 1 or Embodiment 2 or Embodiment 3, it will be described on the basis of Embodiment 3 as an example, and the method also includes:

Step 108, detecting whether the user touches the button for deleting background noise;

Step 109, if yes, delete the background noise from the pre-stored background noise according to the key to delete the background noise.

Embodiment five

Referring to FIG. 5 , FIG. 5 is a schematic diagram of functional modules of an apparatus for filtering background noise according to an embodiment of the present invention.

In Embodiment 5, the device for filtering background noise includes:

The first detection module 501 is configured to detect whether an instruction to acquire background noise triggered by a user is received;

Preferably, refer to FIG. 6 , which is a schematic diagram of functional modules of the first detection module according to an embodiment of the present invention. The first detection module 501 includes:

The first detection unit 601 is configured to detect whether an instruction to acquire background noise triggered by a user is received;

The second detection unit 602 is configured to detect whether the user touches a button for acquiring background noise during the user's call;

The third detection unit 603 is configured to detect whether the user touches a key for acquiring background noise during a gap in the user's call process when there is no dialogue.

The acquiring module 502 is configured to acquire the background noise of the environment where the mobile terminal is located according to the instruction if so;

The first filtering module 503 is configured to filter the background noise in real time when the user is talking.

Specifically, when the mobile terminal phone calls, when in a noisy environment, when pressing a button or touching a button on the screen, the background noise is acquired synchronously; sampling. During a normal call, it will automatically filter and sample similar background noise. You can also press and hold the button to collect the background noise of the other party when the other party is not speaking, so that the voice of the earpiece becomes clear; Carry out the filtering process and hear the filtering program synchronously. The longer the recording time, the more voices are collected, and the background noise processing is clearer. When collecting background voice, if the voice that affects the normal call is collected, you can choose to delete the recorded voice sample without re-collecting new background noise.

The embodiment of the present invention detects whether an instruction to obtain background noise triggered by the user is received; if so, obtains the background noise of the environment where the mobile terminal is located according to the instruction; During the phone call, when you press and hold the key or the touch screen button to cancel the noise in a noisy environment, the environmental noise will be recorded synchronously, and the background noise similar to the sampling recording will be filtered out through voice processing, so that the recording during the phone call will not be affected by the environment. the effect of noise.

Embodiment six

Referring to FIG. 7 , FIG. 7 is a schematic diagram of functional modules of an apparatus for filtering background noise according to an embodiment of the present invention.

On the basis of embodiment five, the device also includes:

The storage module 504 is configured to store the background noise according to a preset storage method, the storage method includes storing the background noise and an identifier corresponding to the background noise at a preset location, and the identifier includes the acquired The time, scene and manner of background noise.

Embodiment seven

Referring to FIG. 8 , FIG. 8 is a schematic diagram of functional modules of an apparatus for filtering background noise according to an embodiment of the present invention.

On the basis of embodiment six, the device also includes:

A receiving module 505, configured to receive an instruction for selecting background noise triggered by the user;

A selection module 506, configured to select background noise corresponding to the instruction from pre-stored background noise;

The second filtering module 507 is configured to filter out the background noise in real time when the user is talking.

Embodiment Eight

Referring to FIG. 9 , FIG. 9 is a schematic diagram of functional modules of an apparatus for filtering background noise according to an embodiment of the present invention.

On the basis of Embodiment 5 to Embodiment 7, taking Embodiment 7 as an example for illustration, the device also includes:

The second detection module 508 is used to detect whether the user touches the button for deleting background noise;

The deletion module 509 is configured to, if yes, delete the background noise from pre-stored background noises according to the background noise deletion button.

The above describes the technical principles of the embodiments of the present invention in conjunction with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present invention, and cannot be construed as limiting the protection scope of the embodiments of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific implementation manners of the embodiments of the present invention without creative work, and these manners will fall within the protection scope of the embodiments of the present invention.

Claims (10)

1. A method for filtering background noise, the method comprising:

detecting whether an instruction for acquiring background noise triggered by a user is received;

if yes, acquiring background noise of the environment where the mobile terminal is located according to the instruction;

and filtering the background noise in real time when the user is in a call.

2. The method of claim 1, wherein detecting whether a user-triggered instruction to acquire background noise is received comprises:

detecting whether the user touches a key for acquiring background noise; or,

detecting whether the user touches a key for acquiring background noise in the user call; or,

and detecting whether the user touches a key for acquiring background noise or not in the interval without conversation in the conversation process of the user.

3. The method according to claim 1, wherein after obtaining the background noise of the environment where the mobile terminal is located according to the instruction, the method further comprises:

and storing the background noise according to a preset storage mode, wherein the storage mode comprises storing the background noise and an identifier corresponding to the background noise at a preset position, and the identifier comprises the time, scene and mode of the acquired background noise.

4. The method of claim 3, wherein before filtering the background noise in real time while the user is talking, further comprising:

receiving a user-triggered instruction for selecting background noise;

selecting background noise corresponding to the instruction from prestored background noise;

and filtering the background noise in real time when the user is in a call.

5. The method of any one of claims 1 to 4, further comprising:

detecting whether the user touches a key for deleting background noise;

and if so, deleting the background noise from the pre-stored background noise according to the key for deleting the background noise.

6. An apparatus for filtering background noise, the apparatus comprising:

the first detection module is used for detecting whether an instruction for acquiring background noise triggered by a user is received;

the obtaining module is used for obtaining the background noise of the environment where the mobile terminal is located according to the instruction if the mobile terminal is located;

and the first filtering module is used for filtering the background noise in real time when the user calls.

7. The apparatus of claim 6, wherein the first detection module comprises:

the first detection unit is used for detecting whether an instruction for acquiring background noise triggered by a user is received;

the second detection unit is used for detecting whether the user touches a key for acquiring background noise during the user call;

and the third detection unit is used for detecting whether the user touches a key for acquiring background noise or not in the interval without conversation in the conversation process of the user.

8. The apparatus of claim 6, further comprising:

and the storage module is used for storing the background noise according to a preset storage mode, wherein the storage mode comprises the step of storing the background noise and an identifier corresponding to the background noise at a preset position, and the identifier comprises the acquired time, scene and mode of the background noise.

9. The apparatus of claim 8, further comprising:

the receiving module is used for receiving the instruction for selecting the background noise triggered by the user;

the selection module is used for selecting the background noise corresponding to the instruction from the prestored background noise;

and the second filtering module is used for filtering the background noise in real time when the user calls.

10. The apparatus of any one of claims 6 to 9, further comprising:

the second detection module is used for detecting whether the user touches a key for deleting the background noise;

and the deleting module is used for deleting the background noise from the pre-stored background noise according to the key for deleting the background noise if the key is used for deleting the background noise.