压限 (compression)就是时间上调节音量。整首声音量大小比较均匀,不要突然的变大 (smooth out spikes)。
EQ 就是在频率上面调节音量大小。高音对应高频率(more vibration per second)。高频减少音量高音就不会刺耳了。增加就会声音更有穿透力。
BGM - background music 你现在的吉他伴奏是BGM。下载的伴奏也是BGM。朗读人声是在前面。
我把前人后期经验 cut and paste 到博客里面。还在慢慢体会。
https://blog.wenxuecity.com/myblog/67448/201810/6264.html
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Equalization (audio) - Wikipedia
Equalization or equalisation is the process of adjusting the balance between frequency ... In the field of audio electronics, the term "equalization" (or "EQ") has come to include the adjustment of frequency responses for practical or aesthetic ...