Title:
VOICE CONTROL DEVICE AND VOICE CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/010397
Kind Code:
A1
Abstract:
This voice control device is provided with a sound source signal input unit, a frequency determination unit, a band control unit, a sound image control unit, and a voice output unit. The sound source signal input unit receives a sound source signal of content from a sound source. The frequency determination unit determines a cutoff frequency. The band control unit acquires, from a content sound source signal, a treble signal in a frequency band equal to or higher than the cutoff frequency and a bass signal in a frequency band equal to or lower than the cutoff frequency. The sound image control unit generates a plurality of sound image control signals for controlling the sound image of a plurality of speakers by controlling at least one among a phase of the treble signal and a sound pressure level. The voice output unit outputs the bass signal to a first speaker and the plurality of sound image control signals to a second speaker formed of a plurality of speakers.
Inventors:
ARAKI JUNJI
ABE SATOSHI
YAMAGUCHI TAKAHIRO
KUBOTA KENICHI
ABE SATOSHI
YAMAGUCHI TAKAHIRO
KUBOTA KENICHI
Application Number:
PCT/JP2020/027376
Publication Date:
January 21, 2021
Filing Date:
July 14, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/40; H04R3/00; H04R3/14
Foreign References:
| JP2008271067A | 2008-11-06 | |||
| US20190014430A1 | 2019-01-10 | |||
| JP2017050847A | 2017-03-09 |
Other References:
See also references of EP 4002877A4
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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