VMS to M4A Converter
Convert your vms files to m4a online & free
Set the AAC audio bitrate per channel. For example, stereo audio with 128 kbps set here will produce a 256 kbps file. If set to "Custom", the recommended range is ≥64 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 VMS
Used in Germany to compress speech audio for voice mail. A self-describing variant of cvsd (Continuously Variable Slope Delta modulation).
Compressed Audio File
This is a lossless-format (and encoding algorithm) for Apple platforms. M4A is widely used in iPod players and as a component in QuickTime media-players. The m4a codecs decoder is found in open sources - this allows third party users to open files in that format.
How to convert VMS to M4A
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to m4a"
Choose m4a or any other format you need as a result (more than 200 formats supported)
Download your m4a
Let the file convert and you can download your m4a file right afterwards