[KongchangAI]
Unverified85% confidenceCautionTime unknown

需要过滤高频却听清人声的场景(音乐现场、开会、机场值机)不要买高NRR全屏蔽塞,应选带声学滤波片的音乐/降噪等响塞,它均匀衰减15-20dB保留音质

1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/171533
API
curl https://kongchang.com/api/v1/knowledge/claims/171533
MCP
get_claim(id=171533)