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[TTS] Spectrogram Enhancer: correct dim for length when loading data #6074

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What does this PR do ?

Makes DataLoader for Spectrogram enhancer (#5565) use correct dimension to determine length of the spectrogram.

Currently it uses number of mel bands as length, so in practice enhancer trains on 80x80 patches, which is obviously suboptimal and a bug.

Collection: TTS

Changelog

  • Fixes just one single dimension index

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Additional Information

@github-actions github-actions bot added bug Something isn't working cherry-pick TTS labels Feb 21, 2023
@racoiaws
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The fix is approved and merged into the r1.16 brach, this is an autogenerated PR for the main branch

@racoiaws racoiaws merged commit 85afe72 into main Feb 23, 2023
@racoiaws racoiaws deleted the cherry-pick-main-5d039822e3f6d2f43bf03a287bf1a9dd6d9cb691 branch February 23, 2023 22:57
titu1994 pushed a commit to titu1994/NeMo that referenced this pull request Mar 24, 2023
hsiehjackson pushed a commit to hsiehjackson/NeMo that referenced this pull request Jun 2, 2023
…6074)

Signed-off-by: Roman Korostik <[email protected]>
Co-authored-by: Roman Korostik <[email protected]>
Signed-off-by: hsiehjackson <[email protected]>
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