July 2017
Beginner to intermediate
390 pages
10h 53m
English
Content preview from Microsoft HoloLens Developer???s Guide
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Asynchronous stream generating
We have two methods. One is the public PlayVoice(), the other is called ReadSpeechStream(). The first one is called by SendMessage("PlayVoice") in the GestureHelper class. The second one is the part that loads the voice data into the streams. Why did we do this?
The answer lies in the inner workings of Unity. The short answer is: we need to call several awaitable methods that work asynchronously, while also doing work that can only be done on the main thread.
Let us investigate. If we look at the work being done in the ReadSpeechStream method we can see the following steps:
- Create an instance of the speech synthesizer.
- Wrap that in a using statement so we are sure it will be disposed of.
- Asynchronously create ...
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