These three mainly refer to the late effects of audio playback, and they are all commonly used technical terms in audio systems; Echo is reverberation, bass is bass and treble is treble. The following is a detailed introduction:

1, ECHO means reverberation, which can be used when singing. Simply put, it is to create an echo sound effect;

2, bass is bass, adjust the low frequency effect when the sound is played. If you play a movie, you need to create a shocking sound effect, and you can appropriately increase the bass value;

3. The treble is a treble, and the high-frequency effect is adjusted when the sound is played;

4. These are audio auxiliary adjustments, which are used to create specific effects and will not substantially improve the sound quality of audio.