Convert AMR to WV

Turn AMR recordings into WavPack. Stored as 16-bit WavPack, which keeps the decoded sound exactly but cannot bring back what the AMR lost.

Converted in an isolated sandbox on our serversDeleted after 24 hours

Drop AMR files on the dialor turn it to pick what to do

AMR and WV

From

AMR Audio

AMR speech audio from mobile phone recordings.

Extensions: .amr
MIME type: audio/amr
Kind: Audio

To

WavPack

WavPack lossless and hybrid audio.

Extensions: .wv
MIME type: audio/x-wavpack
Kind: Audio

Options for AMR to WV

audio.channels: Number of audio channels. 1 is mono, 2 is stereo.
audio.denoise: Reduce steady background noise.
audio.normalize: Normalize loudness to -16 LUFS as streaming services do.
audio.sample_rate: Audio sample rate in Hz.
speed: Playback speed multiplier. 2 plays twice as fast.
trim_end: Second at which the audio or video stops.
trim_start: Seconds to cut from the start of audio or video.