1, coding technology: DTS sound effects adopt higher code rate and more advanced coding technology, which makes the details of sound richer and more accurate. 7. 1 sound effect is a surround sound technology based on seven independent audio channels, providing more channel separation.

2. Scope of application: DTS sound effects can be used not only in home theater systems, but also in cinemas, concerts and other places. 7. 1 sound effects are mainly used in home theater systems, providing more channel separation and more stereo sound.