INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM

• US 20180240453A1
• Filed: 07/13/2016
• Published: 08/23/2018
• Est. Priority Date: 08/28/2015
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: SHIBUYA, Hirohisa
• Granted Patent: US 10,726,825 B2
• Time in Patent Office: Days
• CPC Class Codes: G06V 40/20 Movements or behaviour, e.g. gesture recognition recognition of facial expressions G06V40/16
• CPC Class Codes: G10K 11/17821 characterised by the analysis of the input signals only
• CPC Class Codes: G10K 11/17823 Reference signals, e.g. ambient acoustic environment
• CPC Class Codes: G10K 11/1783 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
• CPC Class Codes: G10K 11/17837 by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
• CPC Class Codes: G10K 11/17873 using a reference signal without an error signal, e.g. pure feedforward
• CPC Class Codes: G10K 11/17881 the reference signal being an acoustic signal, e.g. recorded with a microphone
• CPC Class Codes: G10K 11/17885 additionally using a desired external signal, e.g. pass-through audio such as music or speech
• CPC Class Codes: H04R 1/1083 Reduction of ambient noise active noise reduction per se G10K11/175; protective devices for the ear, e.g. providing acoustic protection A61F11/06
• CPC Class Codes: H04R 2460/01 Hearing devices using active noise cancellation
• CPC Class Codes: H04R 3/00 Circuits for transducers , loudspeakers or microphones
• CPC Class Codes: H04R 3/04 for correcting frequency response

Abstract

An information processing apparatus, an information processing method, and a program, which make it possible for a user to listen to an audio signal more appropriately are provided. An information processing apparatus, including: behavior recognition unit configured to recognize behavior of a user on a basis of sensing information of at least one of the user and an environment; a processing controller configured to control, on a basis of the recognized behavior of the user, signal processing with respect to at least one of an audio signal listened to by the user, a noise reduction signal, and an external sound monitor signal; and a signal processing unit configured to execute the signal processing.

Claims

1. An information processing apparatus, comprising:

a behavior recognition unit configured to recognize behavior of a user on a basis of sensing information of at least one of the user and an environment;

a processing controller configured to control, on a basis of the recognized behavior of the user, signal processing with respect to at least one of an audio signal listened to by the user, a noise reduction signal, and an external sound monitor signal; and

a signal processing unit configured to execute the signal processing.

2. The information processing apparatus according to claim 1, wherein

the external sound monitor signal is a signal including a collected external sound, and

the signal processing unit generates the external sound monitor signal.

3. The information processing apparatus according to claim 1, wherein

the noise reduction signal is a signal that reduces noise included in a collected external sound, and

the signal processing unit generates the noise reduction signal.

4. The information processing apparatus according to claim 1, wherein the processing controller controls acoustic processing to be performed on the audio signal.

5. The information processing apparatus according to claim 1, wherein the processing controller controls amplification processing on the audio signal.

6. The information processing apparatus according to claim 1, wherein the behavior recognition unit recognizes the behavior of the user using a machine learning algorithm that uses the sensing information.

7. The information processing apparatus according to claim 1, wherein the behavior recognition unit recognizes the behavior of the user further on a basis of an external sound.

8. The information processing apparatus according to claim 1, further comprising

a behavior pattern recognition unit configured to recognize behavior pattern of the user on a basis of position information of the user, wherein

the processing controller controls the signal processing further on a basis of the recognized behavior pattern of the user.

9. The information processing apparatus according to claim 2, wherein, in a case where the behavior recognition unit recognizes that the user is walking, the processing controller controls generation of the external sound monitor signal in which strength of a low frequency band of a collected external sound is reduced.

10. The information processing apparatus according to claim 1, wherein, in a case where the behavior recognition unit recognizes that the user is moving, the processing controller controls generation of the noise reduction signal on a basis of movement speed of the user.

11. The information processing apparatus according to claim 10, wherein the processing controller controls, on the basis of the movement speed of the user, at least one of a frequency band and strength of noise reduced using the noise reduction signal.

12. The information processing apparatus according to claim 1, wherein control performed by the processing controller is settable by the user.

13. An information processing method, comprising:

recognizing behavior of a user on a basis of sensing information of at least one of the user and an environment;

controlling, by an arithmetic processing unit, on a basis of the recognized behavior of the user, signal processing with respect to at least one of an audio signal listened to by the user, a noise reduction signal, and an external sound monitor signal; and

executing the signal processing.

14. A program for causing a computer to function as

a behavior recognition unit configured to recognize behavior of a user on a basis of sensing information of at least one of the user and an environment,

a processing controller configured to control, on a basis of the recognized behavior of the user, signal processing with respect to at least one of an audio signal listened to by the user, a noise reduction signal, and an external sound monitor signal, and

a signal processing unit configured to execute the signal processing.