第二部分是这款产品的音频音调，交织成双耳的音乐。

The second component of this product is the binaural audio tones that are interwoven into the music.

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用几分钟的时间关注于太阳穴，让它们从眼睛的外眼角到双耳的耳孔处完全地放松。

Spend a few moments focusing on the temples and allowing them to release completely from the outermost corners of the eyes towards the opening of the ears.

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方法30例受试者(60耳)分别进行纯音测听，首先测出双耳的纯音听阈，然后应用同频音掩蔽试验测试各个频率的MCML。

Methods the pure tone thresholds of 30 subjects (60 ears) were measured by pure tone audiometry and MCML was obtained by means of the same frequency tone masking test.

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