Opus is a lossy audio compression format. .opus file extension is created by Internet Engineering Task Force in 2012. Opus can be adjusted seamlessly between high and low bitrates, and internally, so it is very suitable for interactive real-time applications over the Internet. Opus has been shown to have excellent quality, and at higher bit rates, it turns out to be competitive with codecs with much higher delay, such as HE-AAC and Vorbis.

OGG, Ogg Vorbis, is a open and free audio format which developed by Xiph.Org Foundation for lossy audio compression. Vorbis is most commonly used in conjunction with the Ogg container format. Vorbis has different uses for consumer products. Many video game titles store in-game audio as Vorbis. Many streaming audio website like Spotify use Vorbis for its audio streams.

  • Summary:
  • 1. If compete against in their sweet spot, opus is as good or better than other ogg and other lossy audio codecs.
  • 2. Both OGG and Opus often be used for audio streaming website or storing in-game audio, but Opus have better compression than OGG.
  • 3. Opus support dynamically adjustable bitrate, audio bandwidth, and coding delay.
  • 4. Opus data can be encapsulated in Ogg containers. The content of such Ogg Opus streams should be specified as audio/ogg.

Other Comparison: AVI vs XAVC / OPUS vs MP3 / XAVC vs MP4 / XAVC vs MOV / MOV vs WMV / 3GP vs 3G2 / MP4 vs FLV / MKV vs MP4

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