It does. AAC 是 MP4-家庭丢失编码器, 以同一位元速率比 MP3 明显好于 MP3, 苹果设备的默认值也好于 MP3. 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 AAC 的具体信息吗?
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Yes — AAC携带容器编码器延迟编码器,因此天真切开可留下几毫秒的沉默,适当的剪接可去除. 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。
此网站的转换器将图像从WebP、PNG、JPG和AVIF移动到WebP、PNG、JPG和AVIF, 也就是您决定是否值得丢失一个较小的文件。 Doing it in that order matters: pick the pixels first and the container afterwards, because the container is the cheap decision and the pixels are the expensive one.
