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1·Great visual feed - back with semitone snap, and actual pitch indicator.

伟大的视觉饲料回半音管理单元，和实际音高的指标。

2·Research suggests an increase in voice pitch is a good indicator that someone's being deceptive - but it's difficult to spot.

研究表明，音频提高是判断人说谎的好依据——但是这实在太难发现了。