Opus Channel Mapping Families

Created

  • 2016-03-07

Last Updated

  • 2018-11-02

Available Formats

Opus Channel Mapping Families

Registration Procedure(s)

  • Specification Required

Expert(s)

  • Tim Terriberry, Ralph Giles

Reference

  • RFC 7845: Ogg Encapsulation for the Opus Audio Codec
  • RFC 8486: Ambisonics in an Ogg Opus Container

Available Formats

Value Description Reference
0 Mono, L/R stereo RFC 7845, Section 5.1.1.1; RFC 8486, Section 5
1 1-8 channel surround RFC 7845, Section 5.1.1.2; RFC 8486, Section 5
2 Ambisonics as individual channels RFC 8486, Section 3.1
3 Ambisonics with demixing matrix RFC 8486, Section 3.2
4-239 Unassigned
240-254 Experimental use RFC 8486, Section 6
255 Discrete channels RFC 7845, Section 5.1.1.3; RFC 8486, Section 5