Sound signal processing method and apparatus, and mobile terminal

Patent metadata

Field	Value
Publication number	US-2016150207-A1
Application number	US-201514649418-A
Country	US
Kind code	A1
Filing date	Jan 22, 2015
Priority date	Jun 24, 2014
Publication date	May 26, 2016
Grant date	—

Abstract

The embodiments of the present disclosure provide a sound signal processing method and apparatus, and a mobile terminal. The sound signal processing method includes: acquiring an image signal by using an image collecting member; acquiring sound signals by using at least two sound collecting members; acquiring state information of a mobile terminal by using a state sensing member; and processing the sound signals acquired by the at least two sound collecting members according to the state information of the mobile terminal, when the image collecting member acquires the image signal. Through the embodiments of the present disclosure, the sound signals from different sound collecting members can be controlled dynamically, thereby obtaining a good stereo shooting effect and improving the user's experiences.

First claim

1 . A sound signal processing method, comprising:
acquiring an image signal by using an image collecting member; acquiring sound signals by using at least two sound collecting members; acquiring state information of a mobile terminal by using a state sensing member; and processing the sound signals acquired by the at least two sound collecting members according to the state information of the mobile terminal, when the image collecting member acquires the image signal.

2 . The sound signal processing method according to claim 1 , wherein the sound signals acquired by the at least two sound collecting members are processed independently from each other.

3 . The sound signal processing method according to claim 1 , wherein the state information of the mobile terminal comprises translation information and/or rotation information.

4 . The sound signal processing method according to claim 1 , wherein the state sensing member is an accelerometer, and motion state information acquired by the accelerometer comprises linear acceleration information and/or angular acceleration information.

5 . The sound signal processing method according to claim 1 , wherein processing the sound signals acquired by the at least two sound collecting members according to the state information of the mobile terminal, comprises:
performing a gain control for the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal.

6 . The sound signal processing method according to claim 5 , wherein performing a gain control for the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal, comprises:
increasing the gain of the sound signal acquired by a sound collecting member closer to a first direction among the at least two sound collecting members, when motion state information of the mobile terminal is translating towards the first direction; or decreasing the gain of the sound signal acquired by a sound collecting member closer to a second direction among the at least two sound collecting members, when the motion state information of the mobile terminal is translating away from the second direction.

7 . The sound signal processing method according to claim 5 , wherein performing a gain control for the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal, comprises:
increasing the gain of the sound signal acquired by a sound collecting member closer to a third direction among the at least two sound collecting members, when motion state information of the mobile terminal is rotating towards the third direction; or decreasing the gain of the sound signal acquired by a sound collecting member closer to a fourth direction among the at least two sound collecting members, when the motion state information of the mobile terminal is rotating away from the fourth direction.

8 . The sound signal processing method according to claim 1 , wherein processing the sound signals acquired by the at least two sound collecting members according to the state information of the mobile terminal, comprises:
performing signal processing of the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal, to acquire a user's interested sound signal.

9 . A sound signal processing apparatus, comprising:
an image acquiring unit, configured to acquire an image signal by using an image collecting member; a sound acquiring unit, configured to acquire sound signals by using at least two sound collecting members; a state acquiring unit, configured to acquire state information of a mobile terminal by using a state sensing member; and an information processing unit, configured to process the sound signals acquired by the at least two sound collecting members according to the state information of the mobile terminal, when the image collecting member acquires the image signal.

10 . The sound signal processing apparatus according to claim 9 , wherein the information processing unit is configured to process the sound signals acquired by the at least two sound collecting members independently from each other.

11 . The sound signal processing apparatus according to claim 9 , wherein the state information of the mobile terminal comprises translation information and/or rotation information.

12 . The sound signal processing apparatus according to claim 9 , wherein the state sensing member is an accelerometer, and
motion state information acquired by the accelerometer comprises linear acceleration information and/or angular acceleration information.

13 . The sound signal processing apparatus according to claim 9 , wherein the information processing unit is configured to perform a gain control for the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal.

14 . The sound signal processing apparatus according to claim 13 , wherein the information processing unit is configured to:
increase the gain of the sound signal acquired by a sound collecting member closer to a first direction among the at least two sound collecting members, when motion state information of the mobile terminal is translating towards the first direction; or decrease the gain of the sound signal acquired by a sound collecting member closer to a second direction among the at least two sound collecting members, when the motion state information of the mobile terminal is translating away from the second direction.

15 . The sound signal processing apparatus according to claim 13 , wherein the information processing unit is specifically configured to:
increase the gain of the sound signal acquired by a sound collecting member closer to a third direction among the at least two sound collecting members, when motion state information of the mobile terminal is rotating towards the third direction; or decrease the gain of the sound signal acquired by a sound collecting member closer to a fourth direction among the at least two sound collecting members, when the motion state information of the mobile terminal is rotating away from the fourth direction.

16 . The sound signal processing apparatus according to claim 9 , wherein the information processing unit is configured to perform signal processing of the sound signals acquired by a part or all of the at least two sound collecting members according to the state information of the mobile terminal, to acquire a user's interested sound signal.

17 . A mobile terminal, comprising:
an image collecting member, configured to collect an image signal; at least two sound collecting members, configured to collect sound signals, respectively; a state sensing member, configured to acquire state information of the mobile terminal; a sound processor, configured to process the sound signals collected by the at least two sound collecting members; and a controller, configured to control the sound processor to perform sound processing, according to the state information of the mobile terminal, when the image collecting member collects the image signal.

18 . The mobile terminal according to claim 17 , wherein there are two sound collecting members separately disposed on two sides of the mobile terminal, and the state sensing member is an accelerometer located on one side of the mobil

Assignees

• Sony Corp

Inventors

• Zheng Jiajia

Classifications

• H04S7/302

  Electronic adaptation of stereophonic sound system to listener position or orientation (H04S7/301 takes precedence) · CPC title

• H04R2499/11

  Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's · CPC title

• H04N9/806 Primary

  with processing of the sound signal · CPC title

• H04R5/04

  Circuit arrangements, {e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments (combinations of amplifiers H03F3/68; stereophonic systems H04S)} · CPC title

• H04N13/0055

  Electricity · mapped topic