WV to SLN Converter
Decode WavPack into Asterisk SLN signed linear audio
Asterisk PBX Audio
Create crystal-clear SLN prompts from WavPack lossless — the best source for professional-sounding IVR greetings.
Sample Rate Control
Choose 8 kHz or 16 kHz to match your Asterisk PBX configuration precisely.
Secure Processing
WV uploads are deleted immediately. SLN files are removed within 24 hours.
How to convert WV to SLN
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose sln or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your sln file right afterwards
About formats
Frequently Asked Questions
SLN is the native raw audio for Asterisk PBX. Lossless WavPack gives you the cleanest IVR prompts and hold music.
Standard Asterisk uses 8 kHz. Wideband setups may use 16 kHz for improved voice clarity.
SLN stores headerless signed linear PCM audio — the format Asterisk expects for voice prompts and greetings.
Yes — SLN is the preferred format for Asterisk auto-attendant greetings, IVR menus, and on-hold audio.
Yes — WV to SLN is free on convertio.tools.