This format is completely open. WavPack allows for both lossy and lossless compression. After compression, there is created a small file that can be played separately. WavPack also contains a correction file, which allows you to restore the original version. Supported only by certain audio players. This format has high sampling frequencies (192 kHz) and can be multi-channel (up to 255). It is easily converted to the mp3 format.

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.