xiph / xiph/opus

Custom Window/Frame Size Question

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Dominant language
C
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Description

I'm looking to use opus for an application that requires a frame size of 8 ms, or a block size of 384.

When encoding with opus I notice that frame sizes are fixed, and I was wondering if it was possible to edit the source code to provide an 8 ms window? I hope this is the correct place to post such an inquiry.

Thank you.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the Opus encoder source and its fixed frame-size handling. Determine whether an 8 ms, 384-sample frame can be supported through a source change; done means establishing the feasibility and documenting the required scope.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
audio-video-rtc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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