US 9,311,919 B2Granted

Apparatus and method for coding and decoding multi-object audio signal with various channel

AssigneeElectronics and Telecommunications Research Institute

InventorsSeung-Kwon Beack, Jeong-Il Seo, Tae-Jin Lee, Yong-Ju Lee, In-Seon Jang, Jae-Hyoun Yoo, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Kyeong-Ok Kang

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Abstract

Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.

Claims5

Dependent claims

An apparatus for decoding multi-object audio signals having different channels, comprising:

a supplementary information control means for controlling supplementary information extracted from input signal, using control information for downmix audio signal restored from the input signal, wherein the control information includes rendering control information for the restored downmix audio signal;
and
an output means for outputting the restored downmix audio signal as multi-channel audio signal, using the supplementary information controlled by the supplementary information control means, wherein
the supplementary information includes spatial cue information for audio object of one of mono channel, stereo channel, and multi-channel of the multi-object audio signal.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 14/096,117Filed 4 Dec 2013 · continuation
Priority: KR 10-2006-009617229 Sep 2006
Published: US 2014/0095179 A13 Apr 2014
Granted: 12 Apr 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

G10L 19/00
Speech or audio signals analysis-synthesis techniques for redundancy reduction
G10L 19/008
Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals,…:…
G10L 19/20
Vocoders using multiple modes: using sound class specific coding, hybrid encoders or object based coding
G10L
Speech analysis techniques or speech synthesis

Family

PCT/KR2007/004795Parent of this continuation · filed 1 Oct 2007
Application13/722,176Parent of this continuation · filed 20 Dec 2012
US 8,364,497 B2Parent of this continuation · filed 29 Jan 2013
US 2014/0095179 A1Pre-grant publication · published 3 Apr 2014
US 8,670,989 B2Parent of this continuation
Application12/443,644Parent of this continuation
US 2010/0174548 A1Published application
US 2013/0110523 A1Published application
US 9,311,919 B2This patent

From the US filing history. Foreign family members aren’t listed.