- Extension
- .cvsd
- .m4a
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Adaptive Digital Technologies
- Apple
- Description
- Continuously Variable Slope Delta Modulation Audio is a headerless format used to compress speech audio for applications such as voice mail.
- An M4A file is an audio file created in the MPEG-4 format, a multimedia container format used to store compressed audio and video data. It contains audio encoded with either the Advanced Audio Coding (AAC) codec or the Apple Lossless Audio Codec (ALAC).
- MIME Type
- audio/x-cvsd
- audio/mp4