Can I use
?

Opus audio format

- OTHER

Royalty-free open audio codec by IETF, which incorporated SILK from Skype and CELT from Xiph.org, to serve higher sound quality and lower latency at the same bitrate.

Chrome

  1. 4 - 32: Not supported
  2. 33 - 123: Supported
  3. 124: Supported
  4. 125 - 127: Supported

Edge

  1. 12 - 13: Not supported
  2. 14 - 122: Supported
  3. 123: Supported

Safari

  1. 3.1 - 10.1: Not supported
  2. 11 - 17.3: Partial support
  3. 17.4: Partial support
  4. 17.5 - TP: Partial support

Firefox

  1. 2 - 14: Not supported
  2. 15 - 124: Supported
  3. 125: Supported
  4. 126 - 128: Supported

Opera

  1. 9 - 19: Not supported
  2. 20 - 108: Supported
  3. 109: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 123: Supported

Safari on iOS

  1. 3.2 - 10.3: Not supported
  2. 11 - 17.3: Partial support
  3. 17.4: Partial support
  4. 17.5: Partial support

Samsung Internet

  1. 4: Not supported
  2. 5 - 23: Supported
  3. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 123: Supported

Firefox for Android

  1. 124: Supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported

Support refers to this format's use in the audio element, not other conditions.

For Opera the Linux version may be able to play it when the GStreamer module is up to date and the served mime-type is 'audio/ogg'.

Resources:
Introduction of Opus by Mozilla
Google's statement about the use of VP8 and Opus codec for WebRTC standard