Opus Export Options
From Audacity Development Manual
Revision as of 13:27, 31 March 2020 by PeterSampson (talk | contribs) (→Opus Export Setup: ===Frame Duration=== The Frame Duration ranges from2.5 ms to 60 ms. The default is 20 ms.)
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OPUS file format (also called "Ogg Opus") is a size-compressed and lossy audio format developed for Internet streaming. It uses both SILK (used by Skype) and CELT (from Xiph.Org) codecs and supports variable bit rates from 6 kb/s to 510 kb/s.
For further details on OPUS see this Wikpedia page.
- Accessed by: then choosing OPUS (OggOpus) Files (FFmpeg) from the Save as type dropdown menu.
- Also accessed by: then choosing OPUS (OggOpus) Files (FFmpeg) from the Save as type dropdown menu. In this case the options dialog will appear in the center of the Export Multiple dialog.
Contents
Opus Export Setup
The Format options offer different ways to control the trade-off between the size and quality of the exported files.
Bit Rate
Opus Export offers several different bit rate options for the export ranging from 24 kbps up to 510 kbps. The default is 128 kbps.
Compression
This controls the degree of compression used ranging from 1 to 10 (default).
Frame Duration
The Frame Duration ranges from2.5 ms to 60 ms. The default is 20 ms.
