The machine uses a technology that automatically adjusts the speed and tone of any song being played to match the tempo and key the singer is using.

这台机器使用了一种技术，可以自动调整任何正在播放的歌曲的速度和音调，以配合歌手所使用的节奏和音调。

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Phase two, preparation, adds a layer of speed by introducing tempo runs and long repeats.

第二个阶段，会增加一部分速度训练，包括乳酸门槛跑和长距离的反复跑。

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The device saves all the data from each hit, namely the animation, path, putter-face angle at impact and throughout the stroke, angle of attack, tempo, impact speed and swing path distance -- in other words, more information than most players would know what to do with.

ENGADGET: 3BaysGSA Putt: a Bluetooth golf gadget that puts eyes in your putter (hands on)