This is a free audio codec that enables compression without any losses. The True Audio format was developed by Russian specialists back in 2009. The main advantage of TTA is the highly efficient compression: up to 30% of the total volume. The original quality of the file is fully preserved. The encoding algorithm is implemented in real-time mode. The True Audio data format is simple and open; it is also suitable for lossless compression of multichannel files.

voc

VOC: an audio file format used on Creative Labs devices

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.