Convert MKV to SPX

Turn MKV videos into Speex. Encoded as Speex speech coding in an Ogg file at 8, 16 or 32 kHz in mono or stereo, unless audio.sample_rate or audio.channels say otherwise, and lossy sound loses a little more than it already had.

Converted in an isolated sandbox on our serversDeleted after 24 hours

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

MKV and SPX

From

Matroska Video

Matroska, an open container that holds any codec plus multiple audio and subtitle tracks.

Extensions
.mkv
MIME type
video/x-matroska
Kind
Video

To

Speex

Speex speech audio in an Ogg container, the predecessor of Opus.

Extensions
.spx
MIME type
audio/x-speex
Kind
Audio

Options for MKV to SPX

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.