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Audio Stream Questions #19538

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telke opened this Issue Nov 26, 2018 — with docs.microsoft.com · 6 comments

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telke commented Nov 26, 2018 — with docs.microsoft.com

I understand the audio stream needs to be 16000 samples of PCM encoded single channel audio but I have a couple questions:

  • Is the audio stream linear encoded?
  • Is the audio stream big endian or little endian?
  • Singed or unsigned?

Thanks,
-Craig-


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@YutongTie-MSFT

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YutongTie-MSFT commented Nov 27, 2018

@telke Thanks for the feedback! I have assigned the issue to the content author to investigate further and update the document as appropriate.

@fmegen Hi, is there anywhere we can find the details of the APIs? If not, can you please add more details of it? Thanks a lot!

@telke

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telke commented Nov 29, 2018

The question is in reference to the Speech audio input Stream API:
Content Source: articles/cognitive-services/Speech-Service/how-to-use-audio-input-streams.md

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fmegen commented Dec 20, 2018

hi @telke,

we are responsible for the client library. For the exact audio format we need to loop in someone from the service team.

@tchristiani

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tchristiani commented Dec 20, 2018

#in-progress

@fmegen

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fmegen commented Dec 20, 2018

Hi @telke ,

here is the info for the currently supported PCM format:

  • 16khz
  • linear encoding
  • little-endian
  • signed
  • 16-bit per sample
  • mono

Hope that clarified your question.

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tchristiani commented Jan 9, 2019

#please-close

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