MP4 to CVU Converter
Extract unfiltered CVSD audio from MP4 video online
Raw Telecom Encoding
CVU delivers unfiltered CVSD audio from your MP4. Ideal for telecom systems that need raw delta-modulated voice data.
Compact Voice Data
CVU encoding produces small audio files from your MP4 content — suited for bandwidth-limited communication channels.
Server-Side Processing
No telecom codecs needed locally. Our cloud servers handle the MP4 to CVU extraction and encoding completely.
How to convert MP4 to CVU
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose cvu or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your cvu file right afterwards
About formats
Frequently Asked Questions
CVU provides unfiltered CVSD delta modulation audio — used in specific telecommunications systems that require raw, unprocessed delta-encoded voice data.
SoX and telecom signal processing tools can decode CVU audio. Specialized communication equipment processes unfiltered CVSD natively.
CVU is the unfiltered variant of CVSD. Standard CVSD applies reconstruction filtering, while CVU provides the raw delta-modulated output.
Upload multiple MP4 files at once. Each audio track is extracted and encoded to CVU format in parallel.
No — CVU is highly specialized for telecommunications. For general listening, use formats like MP3, AAC, or FLAC instead.
Yes — only the audio track is extracted from your MP4. The output is a dedicated CVU encoded audio file.