For the same song, MP3 audio files with different bit rates, can you hear the difference?
How are standing waves generated? How to reduce the generation of standing waves? How to reasonably arrange the audio-visual room to maximize the listening experience?
Can a speaker port improve the sound quality of a speaker? How to use the phase port of the speaker to make the speaker perform better?
What is the purpose of the hole behind the speaker? Why design such a hole?
How to choose the right power amplifier when the TV is equipped with passive sound speakers?