This format was developed by Creative Labs for storing and transmitting audio information of 8 and 16-bit sound cards. VOC can be represented as a sound effect, a music sound or a sound clip. It consists of a header and a pair of blocks containing the sound data. This format is supported by several audio players. VOC files can be converted into the WAV format using various utilities.

gsm

GSM digital audio format

Developed in Europe, this format was designed for mobile users. GSM is used for audio files that contain a large amount of audio information. Suitable for voice recordings, including recordings of phone calls. You can compress and archive a GSM file to achieve a different file size. The format is mostly used to create and store voice information. There are 4 types of this format that can be opened using different applications.