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The Mixed Reality Forums here are no longer being used or maintained.
There are a few other places we would like to direct you to for support, both from Microsoft and from the community.
The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.
For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality.
If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers, or in our Microsoft Tech Communities forums at https://techcommunity.microsoft.com/t5/mixed-reality/ct-p/MicrosoftMixedReality.
And always feel free to hit us up on Twitter @MxdRealityDev.
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Is there a speech recognition audio level property?
Hi!
I'm using the DictationRecognizer in my HoloLens app. I would also need the audio level of the voice input (something like speechrecognitionengine.audiolevel). Is there something like that I could use? Thanks!
0
Answers
Speech recognition results are more tuned into quality and time length, rather than the audio level. Audio level is more associated with the microphone.
You can delve into the windows api for it here.
There is a problem description for too quiet. Windows.Media.SpeechRecognition.SpeechRecognitionAudioProblem.TooQuiet
Thanks for the quick answer @codebrained !
The problem is that I want to exclude the user's voice for the speech recognition - so I would like to exclude too loud input.
The user that is wearing the HoloLens should be able to read (kind of a subtitle) what the other person is saying but shouldn't get his own voice as a subtitle. (It's kind of a translation/subtitling tool for deaf persons).
That is likely possible, you'll need a custom model. Check out this cognitive service
I think @codebrained is on the right path. I would recommend looking at the Speaker Recognition cognitive service. One challenge you might run into is that the HoloLens microphone array is usually trying to focus on the voice of the person wearing the device. Though I do remember seeing that there are different ways that you can initialize the microphone (for example video recording vs dictation) that may afford you some control over this "focusing".
Sounds like an interesting application. Good luck!
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I work in Developer Experiences at Microsoft. My posts are based on my own experience and don't represent Microsoft or HoloLens.