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