WAV to IMA Converter Convert your wav files to ima online & free. Audio Converter. Choose Files. IMA ADPCM claims 16-bit precision packed into only 4 bits, but in
File > Export > Export as WAV. Set the sampling rate with the window lower left. The bit depth is set at export. However. You do not suddenly get WAV quality. It will still be MP3 quality in a very fancy, expensive box. Further, you will not be able to make another MP3 out of the work without the MP3 compression distortion catching up with you. Convert audio files via WavePad. To use WavePad to convert audio files to new formats, download WavePad to your local PC, and proceed as follows. Launch WavePad, open your audio file. Click File > Save File As. In the Save as type drop-down list, select Wave (*.wav), MPEG Layer-3 (*.mp3), or GSM (*.gsm), click Save. Set the bit rate with the -b:a option. Examples. Convert an audio file to AAC in an M4A (MP4) container: ffmpeg -i input.wav -c:a libfdk_aac -b:a 128k output.m4a Convert 5.1 surround sound audio of a video, leaving the video alone: ffmpeg -i input.mp4 -c:v copy -c:a libfdk_aac -b:a 384k output.mp4