Developed by the International Voice Association, this is a standardized file format for digitized speech. Digital Speech Standard files store information in a high-compression format. You can record an insert or overwrite the sound; the file can also be filled with metadata. This format offers two modes: “Overwrite” and “Enable”. Digital Speech Standard allows for creating voice files suitable for sending via e-mail. This format is powered by IBM ViaVoice software, which enables speech recognition.

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.