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evrc codec

Enhanced Variable Rate CODEC (EVRC) is a speech codec used in CDMA networks...

📦 .zip⚖️ 49.1 MB📅 21 Nov 2025

Enhanced Variable Rate CODEC (EVRC) is a speech codec used in CDMA networks. It was developed in to replace the QCELP vocoder which used more.

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Enhanced Variable Rate Codec B (EVRC-B) is a speech codec used by CDMA netw...

📦 .zip⚖️ 120.6 MB📅 20 Jan 2026

Enhanced Variable Rate Codec B (EVRC-B) is a speech codec used by CDMA networks. EVRC-B is an enhancement to EVRC and compresses each

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Abstract This document specifies Real-time Transport Protocol (RTP) payload...

📦 .zip⚖️ 95.4 MB📅 29 Mar 2026

Abstract This document specifies Real-time Transport Protocol (RTP) payload formats to be used for the Enhanced Variable Rate Wideband Codec (EVRC-WB).

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Abstract This document describes the RTP payload format for Enhanced Variab...

📦 .zip⚖️ 40.3 MB📅 26 Oct 2025

Abstract This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV) Speech.

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EVRC-B is defined in 3GPP2 dwn.220.v.ua: Enhanced Variable Rate Codec, Spee...

📦 .zip⚖️ 104.6 MB📅 10 Mar 2026

EVRC-B is defined in 3GPP2 dwn.220.v.ua: Enhanced Variable Rate Codec, Speech Service Option 68 for Wideband Spread Spectrum Digital Systems.

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EVRC (The Enhanced Variable Rate Codec) is defined in TIA-EIA-IS and in 3GP...

📦 .zip⚖️ 58.9 MB📅 26 Mar 2026

EVRC (The Enhanced Variable Rate Codec) is defined in TIA-EIA-IS and in 3GPP2 dwn.220.v.ua for use in wideband spread spectrum (CDMA) systems.

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EVRC-C is defined in 3GPP2 dwn.220.v.ua: Enhanced Variable Rate Codec, Spee...

📦 .zip⚖️ 35.8 MB📅 11 Oct 2025

EVRC-C is defined in 3GPP2 dwn.220.v.ua: Enhanced Variable Rate Codec, Speech Service Option 3, 68 and 70 for Wideband Spread Spectrum Digital Systems.

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EVRC speech codec encodes 8 kHz sampled voice audio signals for transmissio...

📦 .zip⚖️ 54.7 MB📅 10 Jun 2026

EVRC speech codec encodes 8 kHz sampled voice audio signals for transmission, and compresses the signals to , , and bits per second.

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Enhanced Variable Rate Codec (EVRC). December C.S Enhanced Variable Rate Co...

📦 .zip⚖️ 29.6 MB📅 22 May 2026

Enhanced Variable Rate Codec (EVRC). December C.S Enhanced Variable Rate Codec, Speech Service. Option 3 for Wideband Spread.

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There are some files claimed to be EVRC code here (on chinese sites): The E...

📦 .zip⚖️ 19.5 MB📅 24 Nov 2025

There are some files claimed to be EVRC code here (on chinese sites): The EVRC codec operates on each 20ms frame of bit speech.

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EVRC-NW-Enhanced Variable Rate Codec – Narrowband-Wideband (EVRC-NW or Serv...

📦 .zip⚖️ 110.9 MB📅 23 Nov 2025

EVRC-NW-Enhanced Variable Rate Codec – Narrowband-Wideband (EVRC-NW or Service Option 73 [SO 73]) was standardized by 3GPP2 in

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EVRC (Speech Service Option 3) is a source codec and operates three differe...

📦 .zip⚖️ 81.8 MB📅 19 Mar 2026

EVRC (Speech Service Option 3) is a source codec and operates three different engines/rates depending on the source signal: full rate ( kbps), half rate (4.

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This topic provides an overview of the additional codecs in the MSP. For mo...

📦 .zip⚖️ 84.6 MB📅 01 Mar 2026

This topic provides an overview of the additional codecs in the MSP. For more See also Codec Payload Sizes. EVRC (Enhanced Variable Rate Codec).

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The EFR ACELP-codec algorithm has been adopted by the US PCS , and a It was...

📦 .zip⚖️ 60.7 MB📅 24 Mar 2026

The EFR ACELP-codec algorithm has been adopted by the US PCS , and a It was named enhanced variable-rate codec (EVRC), and was standardized.

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In addition to IPv6, this new software release expands EXFO's wide lis...

📦 .zip⚖️ 61.9 MB📅 27 Sep 2025

In addition to IPv6, this new software release expands EXFO's wide list of supported codecs to include the Enhanced Variable Rate Codec (EVRC) family used.

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