xiph / xiph/opus

opus-ng deep plc seems to have a worse plc audio quality than lpcnet plc

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Dominant language
C
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Description

hi, I have tested neural plc using different nn model. opus-ng deep plc seems to have a worse plc audio quality than opus lpcnet plc. How can I increase the plc quality?

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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 reproducing the reported audio-quality comparison between opus-ng deep PLC and Opus LPCNet PLC with the different neural PLC models mentioned. Review the PLC implementation and model configuration, then define done as identifying why deep PLC sounds worse and documenting or implementing a validated quality improvement.

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Assessment

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

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