Android STT Tutorial

Android application that streams audio from the microphone and transcribes it using STT.

Prerequisites

Download model

Download the pre-trained English model and extract it:

curl -LO https://github.com/mozilla/DeepSpeech/releases/download/v0.7.4/deepspeech-0.7.4-models.tflite
curl -LO https://github.com/mozilla/DeepSpeech/releases/download/v0.7.4/deepspeech-0.7.4-models.scorer

Move the model files deepspeech-0.7.4-models.tflite and deepspeech-0.7.4-models.scorer, to the demo application's data directory on your android device. Mind that the data directory will only be present after installing and launching the app once.

adb push deepspeech-0.7.4-models.tflite deepspeech-0.7.4-models.scorer /storage/emulated/0/Android/data/org.deepspeechdemo/files/

You can also copy the files from your file browser to the device.

Android device with USB Debugging

Connect an android device and make sure to enable USB-Debugging in the developer settings of the device. If haven't already, you can activate your developer settings by following this guide from android.

Installation

To install the example app on your connected android device you can either use the command line or Android Studio.

Command Line

cd android-tflite-tutorial
./gradlew installDebug

Android Studio

Open the android-tflite-tutorial directory in Android Studio. Run the app and your connected android device.

Usage

Start recording by pressing the button and the app will transcribe the spoken text.