What's the difference between hifi sound effects and Dolby pro logic?

Sound effects, music requirements. Query the house according to the script.

1, sound effect. Hifi sound quality refers to a specific sound quality standard, which is used to measure the sound quality of audio equipment. Dolby pro logic is a special sound technology, which is produced by sound engineers through stereo. The purpose is to create or restore sound field information through sound reverberation equipment, so as to bring users a more stereoscopic sound experience.

2. Music requirements. Dolby pro logic is the sound effect of surround sound, which is suitable for all kinds of equipment and music, while hifi is the sound quality, which requires certain details for equipment and music.