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These samples demonstrate the quality achievable with Opus. They are have been encoded with Opus and then decoded back to wav so that any browser can play them. The bitrates indicated are target bitrates, i.e. the average that would be achieved on a large audio collection.
The following example demonstrates what happens when gradually varying the bitrate from 8 kb/s to 64 kb/s. It's an extreme example, but it shows how Opus can change bandwidth and bitrate seamlessly without any glitch. In practical applications, bitrate changes are expected to occur much more slowly.
Opus works with the <audio> element just like vorbis.
For example, this code in a web page:
<audio src="ehren-paper_lights-96.opus" controls>
displays an embedded player that can play an Opus file.
Playback should work in Firefox of Chrome.
|Hypnotic torture clock
|A rhythmic electronic chant of the current time. Prolonged exposure to this Temporal Fugue is not recommended. The stream is synthesized in real-time using boodler and encoded using opusenc and streamed using oggfwd and icecast.|
|A simulation of an FM3 Buddha Machine, this stream produces an endless stream of peaceful droning. The stream is synthesized in real-time using boodler and encoded using opusenc and streamed using oggfwd and icecast.|