5G • Services
EVS Codec
Enhanced Voice Services Codec
3GPP flagship speech and audio codec providing ultra-wideband (up to 20 kHz audio bandwidth) HD voice.
Technical Explanation
The EVS codec represents the gold standard in cellular voice quality. Supporting audio bandwidths from narrowband (NB) to fullband (FB, 20 Hz - 20 kHz), EVS incorporates advanced packet loss concealment (PLC), jitter buffer management, and variable bitrates (5.9 to 128 kbps) delivering studio-quality conversational speech.
Key Functions
- 3GPP flagship cellular audio codec delivering up to 20 kHz fullband speech
- Features state-of-the-art packet loss concealment and channel awareness
- Operates seamlessly over 5G VoNR and 4G VoLTE networks
Specifications
3GPP TS 26.441, TS 26.445
Interfaces
Uu
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