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Is it possible to get timestamps for BeamSearchLSTM-based inference? #146

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OleguerCanal opened this issue Mar 4, 2022 · 3 comments
Open

Is it possible to get timestamps for BeamSearchLSTM-based inference? #146

OleguerCanal opened this issue Mar 4, 2022 · 3 comments
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QUESTION Further information is requested

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@OleguerCanal
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❓ Questions & Help

I see that the output can be aligned (provide per-token timestamps) if we use the CTCBeamDecoder, I wonder if I can get timestamps also if using another decoder such an lstm or transformer-based one.
@upskyy upskyy added the QUESTION Further information is requested label Mar 5, 2022
@upskyy
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upskyy commented Mar 5, 2022

Hello, @OleguerCanal

Currently we are not providing it. Also I know that E2E timestamps (including CTC decoder) perform relatively poorly,
How was your experience using CTCBeamDecoder?

@OleguerCanal
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OleguerCanal commented Mar 14, 2022 •
edited

Hey @upskyy , no worries, if I can I'll try to implement something and open a PR. I havent had much time to play with the CTCBeamDecoder yet. Will get back to you when I've tested it more

@OleguerCanal
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Do we have alignment for the transducer model implemented?

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@OleguerCanal @upskyy