It does. M4A是存放AAC或ALACA音频的MP4集装箱,iTunes和苹果音乐文件默认值。. That is precisely what decides whether a cut can be placed arbitrarily or has to land on a structural boundary.
修剪时有什么具体关于 M4A 的具体信息吗?
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Yes — a.m4a 可以是持有ACAC或ALACA, 如此失失和无损的文档共用一个扩展号, 必须通过检查分开告知. It explains most of the "the cut is a fraction of a second off" surprises.
是的:free accounts process audio up to 15 MB per file, which at typical bitrates is several hours of material; ffmpeg does the decoding and encoding, exactly as it would on a desktop。这是网站在视频之后最慷慨的上限, 音频工作很少能进入它。
