When the track ends—detected either via the ended event or via the stall watcher noticing the currentTime approaching durationit will collect chunks that are stitched together:
Watch: Lindsey Vonn shares her journey home after Olympics crash，这一点在51吃瓜中也有详细论述
The script grabs the captured audio element, mutes it, sets playbackRate to 16 (the browser maximum), seeks to the beginning, and calls .play(). The browser, in its infinite eagerness to keep the buffer full ahead of the playback position, frantically fetches, decrypts, and feeds chunks into the SourceBuffer. Every single one of those chunks passes through the hooked appendBuffer and gets collected.，详情可参考搜狗输入法下载
这种消费心理的差异，本质上是为过程付费与为结果买单的区别。欧美游客愿意为船上的时间付钱，而中国游客更倾向于为下了船看到了什么而付钱。