Traitement en cours

Veuillez attendre...

Paramétrages

Paramétrages

Aller à Demande

1. JP2020198644 - VOICE PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

Office Japon
Numéro de la demande 2020148756
Date de la demande 04.09.2020
Numéro de publication 2020198644
Date de publication 10.12.2020
Type de publication A
CPC
H04S 5/005
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
SSTEREOPHONIC SYSTEMS 
5Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
005of the pseudo five- or more-channel type, e.g. virtual surround
H04S 2400/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
SSTEREOPHONIC SYSTEMS 
2400Details of stereophonic systems covered by H04S but not provided for in its groups
11Positioning of individual sound objects, e.g. moving airplane, within a sound field
H04S 2400/13
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
SSTEREOPHONIC SYSTEMS 
2400Details of stereophonic systems covered by H04S but not provided for in its groups
13Aspects of volume control, not necessarily automatic, in stereophonic sound systems
H03G 3/3005
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
GCONTROL OF AMPLIFICATION
3Gain control in amplifiers or frequency changers ; without distortion of the input signal
20Automatic control
30in amplifiers having semiconductor devices
3005in amplifiers suitable for low-frequencies, e.g. audio amplifiers
Déposants SONY CORP
ソニー株式会社
Inventeurs YAMAMOTO YUKI
山本 優樹
CHINEN TORU
知念 徹
SHI RUNYU
史 潤宇
HATANAKA MITSUYUKI
畠中 光行
Mandataires 西川 孝
稲本 義雄
三浦 勇介
Données relatives à la priorité 2013094269 26.04.2013 JP
Titre
(EN) VOICE PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
(JA) 音声処理装置および情報処理方法、並びにプログラム
Abrégé
(EN)

PROBLEM TO BE SOLVED: To stabilize a location of a sound image.

SOLUTION: In a side of quadrangle on a spherical surface in which four speakers surrounding a target sound image position are set as a peak, it is assumed that the virtual speaker is positioned onto the side positioned at a lower side. By performing a three-dimension VBAP from the virtual speaker and the two speakers on an upper right and an upper left, each gain of the two speaker on the upper right and the upper left for positioning a sound image to the target sound image position and the virtual speaker is calculated. Further, by performing a secondary VBAP of the speakers in a lower right and a lower left, each gain of the speakers on the lower right and the lower left for positioning the sound image to the virtual speaker is calculated. The gain obtained by multiplying the gain of the virtual speaker to the gain is a gain of the speaker in the lower right and the lower left for positioning the sound image to the target sound image position. The present technique is adapted to the voice processing device.

SELECTED DRAWING: Figure 7

COPYRIGHT: (C)2021,JPO&INPIT

(JA)

【課題】音像の定位をより安定させることができるようにする。
【解決手段】目標音像位置を囲む4つのスピーカを頂点とする球面上の四角形の辺のうち、下側に位置する辺上に仮想スピーカがあるものとされる。そして、仮想スピーカと、右上および左上の2つのスピーカとから3次元VBAPにより、目標音像位置に音像を定位させるための右上および左上の2つのスピーカと仮想スピーカの各ゲインが算出される。さらに、右下および左下のスピーカについて2次元VBAPが行なわれ、仮想スピーカに音像を定位させるための、右下および左下のスピーカのゲインが算出され、それらのゲインに仮想スピーカのゲインが乗算されたものが、目標音像位置に音像を定位させるための右下および左下のスピーカのゲインとされる。本技術は、音声処理装置に適用することができる。
【選択図】図7