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Selectable Mode Vocoder
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{{Short description|Speech codec used by CDMA2000 networks}} {{multipleissues| {{confusing|date=May 2009}} {{technical|date=June 2024}}}} '''Selectable Mode Vocoder''' ('''SMV''') is [[variable bitrate]] [[speech coding]] standard used in [[CDMA2000]] networks.<ref name="3gpp2 smv">{{Cite web|url=http://www.3gpp2.org/public_html/specs/C.S0030-0_v3.0_040325.pdf|title=3GPP2 C.S0030-0 Selectable Mode Vocoder (SMV) Service Option for Wideband Spread Spectrum Communication Systems|access-date=2009-05-26|publisher=3rd Generation Partnership Project 2|year=2004|format=PDF|url-status=dead|archive-url=https://web.archive.org/web/20110723044752/http://www.3gpp2.org/public_html/specs/C.S0030-0_v3.0_040325.pdf|archive-date=2011-07-23}}</ref> SMV provides multiple modes of operation that are selected based on input speech characteristics.
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