MKV to SPX Converter
Convert your mkv files to spx online & free
mkv
spx
Settings
Auto
Set the overall output Speex audio bitrate. Designed for human speech encoding, Speex reaches transparency at ultra-low bitrate with a maximum bitrate of 44 kbps.
Auto (No change)
Set the number of audio channels. This setting is most useful when downmixing channels (e.g., from 5.1 to stereo).
Auto (No change)
Set the sample rate of the audio. Music with a full spectrum (20 Hz — 20 kHz) requires values not lower than 44.1 kHz to achieve transparency. More info can be found on the wiki.
Convert to MKV
mkv
Matroska Multimedia Container
MKV is an open source container that can contain media data compressed with a use of different codecs. It has a lot of advantages over the legacy AVI container: it can contain audio tracks and subtitles in different languages, that can be switched without stopping the playback, file seek and rewind are very fast. Also the format is easy to edit, that is why audio and video data can be extracted effortlessly.
SPX Converter
spx
Speex
An SPX file is a Speex audio file saved within an Ogg Vorbis container. Speex is an open source patent-free audio format designed for speech compression. It supports variable bitrate (VBR) encoding and several features not found in other audio codecs. Some examples include embedded encoding, intensity stereo encoding, and voice activity detection.
How to convert MKV to SPX
Step 1
Upload mkv-file(s)
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Step 2
Choose "to spx"
Choose spx or any other format you need as a result (more than 200 formats supported)
Step 3
Download your spx
Let the file convert and you can download your spx file right afterwards