IP Library Granted Patent US 9,832,555
Granted Patent B2
US 9,832,555 · App. 14/654,481 · Granted Nov 28, 2017

Audio reproduction device

Inventors: Nobuhiro Saijo (Tokyo, JP); Satoshi Akagawa (Tokyo, JP); Hiroshi Sato (Kanagawa, JP)
Assignee: SONY CORPORATION
H04R1/028F21V23/0442G10H1/40G11B27/28G11B27/34H05B33/086H05B37/0236F21V33/0056F21Y2101/00F21Y2115/10G10H2220/081H04R2201/403
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Quick Facts
Patent No.
US 9,832,555
App. No.
14/654,481
Granted
Nov 28, 2017
Kind
B2
Abstract

Provided is a sound reproduction device including: speakers; light emitting elements provided to a part of each of the speakers, or in a vicinity of each of the speakers; a detecting section configured to detect a beat of an audio signal reproduced by the speakers, and output a detection signal corresponding to the beat; and a light emission control signal outputting section configured to output a light emission control signal for controlling a light emission mode of the light emitting elements according to the detection signal. The light emission control signal outputting section outputs a first light emission control signal according to the detection signal, and outputs a second light emission control signal when a period in which the beat is not detected exceeds a set period, the second light emission control signal being for controlling the light emitting elements to perform a predetermined light emission mode.

Claims (31)

1. A sound reproduction device, comprising:

a plurality of speakers configured to reproduce an audio signal;

a plurality of first light emitting elements on at least a part of each of the plurality of speakers;

a detecting unit configured to:

detect a first beat of the audio signal; and

output a detection signal that corresponds to the detected first beat; and

a light emission control signal output unit configured to:

output, based on the detection signal that is present, a first light emission control signal to control the plurality of first light emitting elements to emit light in at least a first light emission mode,

wherein the at least first light emission mode is based on the detection signal; and

output, based on a first period that exceeds a second period, a second light emission control signal to control the plurality of first light emitting elements to emit light in a second light emission mode,

wherein the detection signal is absent in the first period.

2. The sound reproduction device according to claim 1 , wherein each of the plurality of speakers are arranged in one of a horizontal direction or a vertical direction.

3. The sound reproduction device according to claim 1 , wherein the plurality of first light emitting elements are configured to emit light onto vibration plates of the plurality of speakers.

4. The sound reproduction device according to claim 1 , wherein the detecting unit and the light emission control signal output unit are integrated as a control unit that includes a second light emitting element, and wherein the second light emitting element is configured to emit light based on the detection signal.

5. The sound reproduction device according to claim 1 , wherein the plurality of first light emitting elements are configured to emit light in the at least first light emission mode in a third period that begins in synchronism with the detection signal.

6. The sound reproduction device according to claim 5 , wherein a second beat detected in the third period is ignored.

7. The sound reproduction device according to claim 5 , wherein there are a plurality of third light emission modes in the third period, and an order of each of the third light emission modes is set in advance.

8. The sound reproduction device according to claim 1 , wherein the plurality of first light emitting elements are configured to emit light in a third light emission mode in a cycle based on the second light emission control signal.

9. The sound reproduction device according to claim 8 , wherein the cycle is longer than the first period.

10. The sound reproduction device according to claim 8 , wherein the plurality of first light emitting elements are switched over in chorus from a bright state to a dark state in the third light emission mode.

11. A sound reproduction device, comprising:

at least one speaker configured to reproduce an audio signal;

at least one light emitting element on at least a part of the at least one speaker,

wherein the at least one light emitting element is configured to illuminate a diaphragm of the at least one speaker;

a detection unit configured to:

detect a beat of the audio signal; and

output a detection signal that corresponds to the detected beat; and a light emission control signal output unit configured to:

based on the detection signal that is present, output a first signal to control the at least one light emitting element to emit light in at least a first mode,

wherein the at least first mode is based on the detection signal; and

based on a first period that exceeds a determined second period, output a second signal to control the at least one light emitting element to emit light in a second mode,

wherein the detection signal is absent in the first period.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2015
From: SAIJO, NOBUHIRO; AKAGAWA, SATOSHI; SATO, HIROSHI
To: SONY CORPORATION
Reel/Frame 036040/0771 →
Priority Claims (1)
JP 2012-287541 · Dec 28, 2012 · national
Continuity (1)
Related Publication 20150358707A1 · Dec 10, 2015