22:49, 7 марта 2026Мир
在 X 上多个认证的自媒体，发布了数条由 AI 生成的假视频；最后却在补充信息都提到，视频内有非常明显的 AI 迹象，例如烟雾的效果，还有变形的水面和屋顶的太阳能电池板。。业内人士推荐新收录的资料作为进阶阅读
。业内人士推荐新收录的资料作为进阶阅读
If thirds and fifths are so out of tune in 12-TET, why do we use it? The advantage is that all the thirds and fifths in all the keys are out of tune by the same amount. None of them sound perfect, but none of them sound terrible, either. You don’t have to worry about whether your notes are derived from the third harmonic of some note or the fifth harmonic of some other note; they all just work together, kind of. If you use a digital guitar tuner, you are tuning your strings to the 12-TET versions of E, A, D, G and B. None of them will be perfectly in tune with each other, but they will all be wrong by an acceptable amount. Also, songs in the key of E won’t sound any better or worse than songs in the key of F or E-flat.
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