Title:
オブジェクトベースのオーディオ信号の符号化及び復号化方法並びにその装置
Document Type and Number:
Japanese Patent JP2010508545
Kind Code:
A
Abstract:
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal and object-based side information, the downmix signal comprising at least two downmix channel signals; extracting gain information from the object-based side information and generating modification information for modifying the downmix channel signals on a channel-by-channel basis based on the gain information; and modifying the downmix channel signals by applying the modification information to the downmix channel signals.
Inventors:
Kim dong sue
Bread, heath
Lim, Je Hyun
Soon Young
Lee, Hyun Kook
Bread, heath
Lim, Je Hyun
Soon Young
Lee, Hyun Kook
Application Number:
JP2009534511A
Publication Date:
March 18, 2010
Filing Date:
February 14, 2008
Export Citation:
Assignee:
LG ELECTRONICS INC.
International Classes:
G10L19/00; H04S1/00
Other References:
JPN6012010885; Ｃｈｒｉｓｔｏｆ Ｆａｌｌｅｒ: 'Ｐａｒａｍｅｔｒｉｃ Ｊｏｉｎｔ-Ｃｏｄｉｎｇ ｏｆ Ａｕｄｉｏ Ｓｏｕｒｃｅｓ' Ｃｏｎｖｅｎｔｉｏｎ Ｐａｐｅｒ ｏｆ ｔｈｅ Ａｕｄｉｏ Ｅｎｇｉｎｅｅｒｉｎｇ Ｓｏｃｉｅｔｙ １２０ｔｈ Ｃｏｎｖｅｎｔｉｏｎ ６７５２, 20060520, ｐ．１-１２, Ａｕｄｉｏ Ｅｎｇｉｎｅｅｒｉｎｇ Ｓｏｃｉｅｔｙ
JPN6012010886; Ｄａｉ Ｙａｎｇ， ｅｔ ａｌ．: 'Ｈｉｇｈ-Ｆｉｄｅｌｉｔｙ Ｍｕｌｔｉｃｈａｎｎｅｌ Ａｕｄｉｏ Ｃｏｄｉｎｇ Ｗｉｔｈ Ｋａｒｈｕｎｅｎ-Ｌｏｅｖｅ Ｔｒａｎｓｆｏｒｍ' ＩＥＥＥ Ｔｒａｎｓａｃｔｉｏｎｓ ｏｎ Ｓｐｅｅｃｈ ａｎｄ Ａｕｄｉｏ Ｐｒｏｃｅｓｓｉｎｇ Ｖｏｌ．１１， Ｎｏ．４, 200307, ｐ．３６５-３８０, ＩＥＥＥ
JPN6012010886; Ｄａｉ Ｙａｎｇ， ｅｔ ａｌ．: 'Ｈｉｇｈ-Ｆｉｄｅｌｉｔｙ Ｍｕｌｔｉｃｈａｎｎｅｌ Ａｕｄｉｏ Ｃｏｄｉｎｇ Ｗｉｔｈ Ｋａｒｈｕｎｅｎ-Ｌｏｅｖｅ Ｔｒａｎｓｆｏｒｍ' ＩＥＥＥ Ｔｒａｎｓａｃｔｉｏｎｓ ｏｎ Ｓｐｅｅｃｈ ａｎｄ Ａｕｄｉｏ Ｐｒｏｃｅｓｓｉｎｇ Ｖｏｌ．１１， Ｎｏ．４, 200307, ｐ．３６５-３８０, ＩＥＥＥ
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Kenichi Nakamura