Convert GSM to DTS

Turn GSM recordings into DTS. Re-encoded as DTS at 768 kbit/s and at 44.1 or 48 kHz with up to 5.1 channels, unless audio.channels is given, which loses a little more than the GSM already did.

Converted in an isolated sandbox on our serversDeleted after 24 hours

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

GSM and DTS

From

GSM Audio

GSM 06.10 audio from telephony.

Extensions: .gsm
MIME type: audio/x-gsm
Kind: Audio

To

DTS Audio

DTS surround audio.

Extensions: .dts
MIME type: audio/vnd.dts
Kind: Audio

Options for GSM to DTS

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.
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.