How to convert audio file to WAV format

To use Audio input component you need WAV file format. You can create WAV file from other formats like MP3 or OGG.

1. Download Audacity software (free) and install

• Website: https://www.audacityteam.org/download/

• Windows link: https://www.fosshub.com/Audacity.html?dwl=audacity-win-3.1.3-64bit.exe

2. Open your MP3/OGG file (File -> Open). Audacity should show audio file content like below:

3. Set Project Rate (Hz) value to 44100:

4. Export audio as WAV signed 16-bit PCM (File -> Export -> Export as WAV):

5. Check WAV file size, PROTO app supports max 1MB file.