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Improve accuracy for hot word detection

See original GitHub issue

https://photos.app.goo.gl/M34ZXSNToWKnmiAH6

Hi I am trying to make a hot word detection app that listens for the phrase “care direct”. I am using the tip of master 1725bde253128641e544471f875cf736474ee0a1 Here is the only code change: rec = new KaldiRecognizer(activityReference.get().model, 16000.f, "[\"care direct\"]");

As you can see from the video the accuracy is pretty poor - despite stating the phrase in the grammar argument. Any tips to improve accuracy? many thanks 😃

Issue Analytics

  • State:closed
  • Created 3 years ago
  • Comments:15

github_iconTop GitHub Comments

1reaction
nshmyrevcommented, Feb 19, 2021

You are welcome

1reaction
nshmyrevcommented, Feb 19, 2021

Have I specified the grammar argument correctly?

You should have modified this line:

https://github.com/alphacep/vosk-android-demo/blob/1725bde253128641e544471f875cf736474ee0a1/app/src/main/java/org/kaldi/demo/KaldiActivity.java#L274

not the line above. The line above which you modified is for file recognition.

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