Convert MP2 to SPX

Turn MP2 recordings into Speex. Re-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, which loses a little more than the MP2 already did.

Converted in an isolated sandbox on our serversDeleted after 24 hours

Drop MP2 files on the dialor turn it to pick what to do

MP2 and SPX

From

MP2 Audio

MPEG audio layer II, the sound of DVDs, DAB radio and broadcast.

Extensions: .mp2
MIME type: audio/mpeg
Kind: Audio

To

Speex

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

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

Options for MP2 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.