Unverified50% confidenceFactExact time

ANC对低频稳定噪音效果最佳，打鼾声主要频率约在50-500 Hz之间

1

Sources

50%

Confidence

Long-term

Relevance

7/8/2026

First Seen

Sources

Anker Soundcore Sleep A20 Sleep Earbuds Drop to Record-Low $99

rss7/7/2026

Related Claims

UnverifiedANC处理链路存在约1-10毫秒延迟，对频率低于20Hz的次声波和高于1000Hz的高频突发声效果有限，打鼾声频率约在50-500Hz之间82% similar

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