Convert AC3 to MKA

Turn AC3 recordings into MKA. Stored as 16-bit FLAC in Matroska, which keeps the decoded sound exactly but cannot bring back what the AC-3 lost.

Converted in an isolated sandbox on our serversDeleted after 24 hours

Drop AC3 files on the dialor turn it to pick what to do

AC3 and MKA

From

AC-3 Audio

Dolby Digital audio, the surround sound of DVDs.

Extensions: .ac3
MIME type: audio/ac3
Kind: Audio

To

Matroska Audio

Audio-only Matroska. Any codec, with chapters and tags.

Extensions: .mka
MIME type: audio/x-matroska
Kind: Audio

Options for AC3 to MKA

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.