The SMV algorithm selected by TIA and 3GPP2 for CDMA applications

Authors:
Yang Gao;E. Shlomot;A. Benyassine;J. Thyssen;Huan-yu Su;C. Murgia
Affiliations:
Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA, USA;-;-;-;-;-
Venue:
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 200. on IEEE International Conference - Volume 02
Year:
2001

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Abstract

During the years 1999 and 2000, the Telecommunication Industry Association (TIA) and the 3rd Generation Partnership Project 2 (3GPP2), managed a competition and a selection process for a new speech coding standard for CDMA applications. The new speech coding standard, which is coined Selectable Mode Vocoder (SMV), will become a service option in CDMA systems such as IS-95 and cdma2000, providing a higher quality, flexibility, and capacity over the existing speech coding service options, IS-96C, IS-127, and IS-733. Eight companies submitted candidates to selection phase. For all of the 36 test conditions, the Conexant SMV candidate was ranked at the top, or was statistically equivalent to other top-ranking candidates. The Conexant SMV candidate was chosen as the core speech coding technology for the SMV system. This paper describes the SMV algorithm developed by Conexant.