Presentation	2000/2/18 An Error-Robust Scalable Coder Based on MPEG-4 TwinVQ Takehiro Moriya, Takeshi Mori, Naoki Iwakami, Akio jin,
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Abstract(in English)	This paper proposes a design for an error-robust and scalable audio coder based on TwinVQ(transform-domain weighted interleave vector quantization) and EP(error protection) tools defined in ISO / IEC MPEG-4 / Audio. By combining the inherent error-robustness of TwinVQ, the un-equal error-protection scheme, and the hierarchical scalable coding structure, the distortion is confirmed to be very minor, even in high-error channel conditions at bit rates of 16-32 kbit / s. These structures offer a flexible coding framework that can be used for various types of network / storage environments and applications.
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Paper #	SP99-153
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Committee	SP
Conference Date	2000/2/18(1days)
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Registration To	Speech (SP)
Language	JPN
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Title (in English)	An Error-Robust Scalable Coder Based on MPEG-4 TwinVQ
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1st Author's Name	Takehiro Moriya
1st Author's Affiliation	NTT Laboratories()
2nd Author's Name	Takeshi Mori
2nd Author's Affiliation	NTT Laboratories
3rd Author's Name	Naoki Iwakami
3rd Author's Affiliation	NTT Laboratories
4th Author's Name	Akio jin
4th Author's Affiliation	NTT Laboratories
Date	2000/2/18
Paper #	SP99-153
Volume (vol)	vol.99
Number (no)	627
Page	pp.pp.-
#Pages	6
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