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  13. 12 Oct, 2022 2 commits
    • Nikita Shulga's avatar
      Fix typos in tacotron2 tutorial (#2761) · 7aabcbd4
      Nikita Shulga authored 
      Summary:
`publishe`->`published`

Also, not sure if it should be `pre-trained weight is published` or `pre-trained weights are published`

Pull Request resolved: https://github.com/pytorch/audio/pull/2761

Reviewed By: carolineechen

Differential Revision: D40313042

Pulled By: malfet

fbshipit-source-id: c22085ca0b1125a06aa04bf38231d0a9fbfed00b
      7aabcbd4
    • Zhaoheng Ni's avatar
      Improve hubert recipe for pre-training and fine-tuning (#2744) · 27433050
      Zhaoheng Ni authored 
      Summary:
following pr https://github.com/pytorch/audio/issues/2716
- For preprocessing
  - The HuBERT feature takes lots of memory which may not fit some machines. Enable to use a subset of feature for training a k-means model.

- For pre-training
  - Normalize the loss based on the total number of masked frames across all GPUs.
  - Use mixed precision training. fp16 is not well supported in pytorch_lightning.
  - Log accuracies of masked/unmasked frames during training.
  - Clip the gradients with norm `10.0`.

- For ASR fine-tuning
  - Normalize the loss based on the total number of batches across all GPUs, same as in the conformer recipe of TorchAudio.
  - Use mixed precision training.
  - Add "|" after the end of transcription to capture the silence/word termination, same as in fairseq recipe.

- Update the WER results on LibriSpeech dev and test sets.

|                   | WER% (Viterbi)|  WER% (KenLM) |
|:-----------------:|--------------:|--------------:|
| dev-clean         |       10.9    |       4.2     |
| dev-other         |       17.5    |       9.4     |
| test-clean        |       10.9    |       4.4     |
| test-other        |       17.8    |       9.5     |

Pull Request resolved: https://github.com/pytorch/audio/pull/2744

Reviewed By: carolineechen

Differential Revision: D40282322

Pulled By: nateanl

fbshipit-source-id: 4723584c912e70e8970149fe09de005385eaab90
      27433050
  15. 07 Oct, 2022 1 commit
  17. 06 Oct, 2022 1 commit
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  23. 23 Sep, 2022 2 commits
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  27. 21 Sep, 2022 2 commits
  29. 14 Sep, 2022 1 commit
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  39. 18 Aug, 2022 3 commits
    • moto's avatar
      Update ASR inference tutorial (#2631) · 189edb1b
      moto authored 
      Summary:
* Use download_asset
* Remove notes around nightly
* Print versions first
* Remove duplicated import

Pull Request resolved: https://github.com/pytorch/audio/pull/2631

Reviewed By: carolineechen

Differential Revision: D38830395

Pulled By: mthrok

fbshipit-source-id: c9259df33562defe249734d1ed074dac0fddc2f6
      189edb1b
    • moto's avatar
      Update notes around nightly build and third parties (#2632) · 55ce80b1
      moto authored 
      Summary:
Google Colab now has torchaudio 0.12 pre-installed.
This commit removes the note about nightly build.

Pull Request resolved: https://github.com/pytorch/audio/pull/2632

Reviewed By: carolineechen

Differential Revision: D38827632

Pulled By: mthrok

fbshipit-source-id: ac769780868b741c3012357d589ec0019d9af6eb
      55ce80b1
    • moto's avatar
      Tweak tutorials (#2630) · cab2bb44
      moto authored 
      Summary:
Resolves the following warnings

```
/torchaudio/docs/source/tutorials/asr_inference_with_ctc_decoder_tutorial.rst:195: WARNING: Unexpected indentation.
/torchaudio/docs/source/tutorials/asr_inference_with_ctc_decoder_tutorial.rst:446: WARNING: Unexpected indentation.
/torchaudio/docs/source/tutorials/audio_io_tutorial.rst:559: WARNING: Content block expected for the "note" directive; none found.
/torchaudio/docs/source/tutorials/mvdr_tutorial.rst:338: WARNING: Bullet list ends without a blank line; unexpected unindent.
```

Pull Request resolved: https://github.com/pytorch/audio/pull/2630

Reviewed By: nateanl

Differential Revision: D38816632

Pulled By: mthrok

fbshipit-source-id: 135ded4e064d136be67ce24439e96f5e9c9ce635
      cab2bb44
  41. 10 Aug, 2022 1 commit
  43. 05 Aug, 2022 1 commit
    • Caroline Chen's avatar
      Add note for lexicon free decoder output (#2603) · 33485b8c
      Caroline Chen authored 
      Summary:
``words`` field of CTCHypothesis is empty if no lexicon is provided, which produces confusing output (see issue https://github.com/pytorch/audio/issues/2584) when following our tutorial example with lexicon free usage. This PR adds a note in both docs and tutorial.

Followup: determine if we want to modify the behavior of ``words`` in the lexicon free case. One option is to merge and then split the generated tokens by the input silent token to populate the words field, but this is tricky since the meaning of a "word" in the lexicon free case can be vague and not all languages have whitespaces between words, etc

Pull Request resolved: https://github.com/pytorch/audio/pull/2603

Reviewed By: mthrok

Differential Revision: D38459709

Pulled By: carolineechen

fbshipit-source-id: d64ff186df4633f00e94c64afeaa6a50cebf2934
      33485b8c
  45. 01 Aug, 2022 1 commit
  47. 29 Jul, 2022 2 commits
    • moto's avatar
      Update forced alignment tutorial (#2544) · c26b38b2
      moto authored 
      Summary:
1. Fix initialization.
Previously, the SOS token score was initialized to 0 across the time axis.
This was biasing the alignment to delay the start.
The proper way to delay the SOS is via blank token.
The new initilization takes the cumulated sum of blank scores.
2. Fill the end of trellis with Inf
Similar to the start, at the end where there remaining time frame is less
than the number of tokens, it is no longer possible to align the text, thus
we fill with Inf for better visualization.
3. Clean up asset management code.

Pull Request resolved: https://github.com/pytorch/audio/pull/2544

Reviewed By: nateanl

Differential Revision: D38276478

Pulled By: mthrok

fbshipit-source-id: 6d934cc850a0790b8c463a4f69f8f1143633d299
      c26b38b2
    • Zhaoheng Ni's avatar
      Improve speech enhancement tutorial (#2527) · d6267031
      Zhaoheng Ni authored 
      Summary:
- The "speech + noise" mixture still has a high SNR, which can't show the effectiveness of MVDR beamforming. To make the task more challenging, amplify the noise waveform to reduce the SNR of mixture speech.
- Show the Si-SNR score of mixture speech when visualizing the mixture spectrogram.
- FIx the figure in `rtf_power` subsection.
    - The description of enhanced spectrogram by `rtf_power` is wrong. Correct it to `rtf_power`.
- Print PESQ, STOI, and SDR metric scores.

Pull Request resolved: https://github.com/pytorch/audio/pull/2527

Reviewed By: mthrok

Differential Revision: D38190218

Pulled By: nateanl

fbshipit-source-id: 39562850a67f58a16e0a2866ed95f78c3f4dc7de
      d6267031
  49. 28 Jul, 2022 2 commits
  51. 11 Jul, 2022 1 commit
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  57. 08 Jun, 2022 1 commit