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.
Yes: free accounts process audio up to 200 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. That is the most generous cap on the site after video, and audio work rarely runs into it.
Will AAC Cutter lower the quality of my AAC audio files?
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.
