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EVRC-E
EVRC-E is defined in 3GPP2 C.S0014-E: Enhanced Variable Rate Codec, Speech Service Option 3, 68, 70, 73 and 77 for Wideband Spread Spectrum Digital Systems.EVRC-E consists of EVRC-A, EVRC-B, EVRC-WB, EVRC-NW and EVRC-NW2K.
EVRC-NW2K is a narrowband-wideband Enhanced Variable Rate Codec, corresponding to speech service option 77, that adds a 2kbps low bit rate speech codec mode to EVRC-NW. For licensing IPR, please contact licensing@voiceage.com.
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