Convert gsm to voc

What is the difference between .gsm and .voc?

Developer: European Telecommunications Standards Institute (ETSI); Creative Labs

Description: A lossy file format used to compress speech in Global Standard for Mobile (GSM) telecommunications. It is very effective for reducing audio file size. However, encoding and decoding audio signals severally is discouraged as the final product will have a lot of noise. Popular with some voice mail software but it is CPU intensive.; The VOC file format is an audio file format primarily used by Creative Technology's Sound Blaster sound cards for storing digital audio data. Developed by Creative Labs, the VOC format was widely used for storing sound samples and music files on PCs during the late 1980s and early 1990s. VOC files support mono and stereo sounds at various sampling rates and can contain multiple sound snippets and silence segments, making them versatile for a range of audio applications, including video games, sound effects, and voice.