Unverified90% confidenceDecision RuleTime unknown
改善房间混响、录音室/直播间吸音选NRC≥0.8的聚酯纤维吸音板或岩棉板；NRC 0.5-0.7适合会议室办公，NRC＜0.4的装饰性隔音板基本无吸音效果
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
UnverifiedNRC（降噪系数）≥0.85的吸音板才算高效吸音产品，NRC 0.5-0.7适合语音清晰度改善的会议室，NRC＜0.4的装饰性板材几乎无实质吸音效果88% similarUnverified选购吸音板首看NRC降噪系数：NRC≥0.85属高效吸音，适合录音棚/直播间；NRC 0.5-0.7适合家用会议/客厅；NRC＜0.4基本只有装饰作用，吸音意义不大88% similarUnverified录音/直播/会议室降混响，选NRC 0.85以上聚酯纤维吸音板，厚度9mm起，覆盖墙面20%-30%面积即可显著降低回声，无需铺满86% similarUnverified录音室/直播间选NRC≥0.85的吸音板，普通家庭影院或会议室NRC 0.5-0.7即可，NRC过高会让声音过于干涩失去自然混响85% similarUnverified改善直播/录音室内回声选聚酯纤维吸音板，NRC≥0.8、厚度9mm即可；若为影音室低频驻波问题，需在墙角配置厚度≥50mm的低频陷阱，薄板对低频无效85% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/172967API
curl https://kongchang.com/api/v1/knowledge/claims/172967MCP
get_claim(id=172967)