Do you hear the difference?
这个网站提供 320K 和 128K 音质的 歌曲 试听后， 你能否听出哪首是 320kbps ？
Are you an audiophile? With this simple test you'll be able to find out whether you can hear the difference between a low quality song and a two-and-a-half times larger high fidelity mp3 file. Is the difference as big as you expected?