EVS

Pursuant to Section 1.19 of the EVS Patent Portfolio License, “EVS Standard” shall mean the standard defined in:​

  • 3GPP TS 26.441 “Codec for Enhanced Voice Services (EVS); General Overview”
  • 3GPP TS 26.442 “Codec for Enhanced Voice Services (EVS); ANSI C code (fixed-point)”
  • 3GPP TS 26.443 “Codec for Enhanced Voice Services (EVS​); ANSI C code (floating-point)”
  • 3GPP TS 26.444 “Codec for Enhanced Voice Services (EVS); Test Sequences”
  • 3GPP TS 26.445 “Codec for Enhanced Voice Services (EVS); Detailed Algorithmic Description”
  • 3GPP TS 26.446 “Codec for Enhanced Voice Services (EVS); AMR-WB Backward Compatible Functions”
  • 3GPP TS 26.447 “Codec for Enhanced Voice Services (EVS); Error Concealment of Lost Packets”
  • 3GPP TS 26.448 “Codec for Enhanced Voice Services (EVS); Jitter Buffer Management”
  • 3GPP TS 26.449 “Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) Aspects”
  • 3GPP TS 26.450 “Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)”
  • 3GPP TS 26.451 “Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)”

To assist in your research, click here to download the most recent available cross-reference chart showing illustrative claims of patents in the patent families on the Attachment 1 and sections of the EVS Standard for which they are essential.