ตัวแปลงไฟล์ออนไลน์ฟรี CAVS เป็น IMA

CAVS is a set of coding/decoding standards developed by Workgroup of China in 2002. The technology is aimed to resolve problems of audio and video compression, namely original data and sources. This format is not widely supported on a PC, but is widely used for DVD-players and home theater systems in China.

A headerless file of IMA ADPCM audio data. IMA ADPCM claims 16-bit precision packed into only 4 bits, but in fact sounds no better than .vox.