Android speech recognizing and audio recording in the same time

Question

My application records audio using MediaRecorder class in AsyncTask and also use Google API transform speech to text - Recognizer Intent - using the code from this question

Answer 1

I have successfully accomplished this with the help of CLOUD SPEECH API. You can find it's demo by google speech.

The API recognizes over 80 languages and variants, to support your global user base. You can transcribe the text of users dictating to an application’s microphone, enable command-and-control through voice, or transcribe audio files, among many other use cases. Recognize audio uploaded in the request, and integrate with your audio storage on Google Cloud Storage, by using the same technology Google uses to power its own products.

It uses audio buffer to transcribe data with help of Google Speech API. I have used this buffer to store Audio recording with help of AudioRecorder.

So with this demo we can transcribe user's speech parallely with Audio Recording.

In this, it starts and stops speech recognition based on voice. It also gives a facility of SPEECH_TIMEOUT_MILLIS in VoiceRecorder.java which is just same as EXTRA_SPEECH_INPUT_COMPLETE_SILENCE_LENGTH_MILLIS of RecognizerIntent, but user controlled.

So all in all, you can specify silence timeout and based on that it will stop after user output and start again as soon as user starts speaking.