They train that this will then go through those a capellas, vocals, and from that it will create the voice.

他们训练说， 这将通过那些无伴奏合唱，人声，然后从中创造声音。

It basically wants to make the a capella recordings that I use to create my Wait's voice, which are copyrighted.

它基本上想制作我用来创作我的Wait声音的无伴奏合唱录音，这些录音是受版权保护的。

The researchers had eight pairs of musically trained amateur singers—all women for this study—to sing, a capella, the melody of either Silent Night or another classic choir tune, O Sacred Head, Now Wounded.

研究人员让八对受过音乐训练的业余歌手——在这项研究中都是女性——演唱无伴奏合唱，《平安夜》 的旋律或另一首经典合唱曲调， O Sacred Head, Now Wounded。