Unverified88% confidenceDecision RuleTime unknown
会议记录/采访场景优先选全向或120度宽指向双麦配置,人声还原比高采样率更重要,48kHz/24bit已足够,无需追求96kHz
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified选唱歌直播需采样率≥48kHz/24bit,采样率24bit比16bit动态范围更大更抗爆音;纯口播语音16bit/44.1kHz已足够84% similarUnverified采样率选择上,会议记录用16kHz/16bit即可保证语音清晰且省空间,音乐或高保真采访录制需要≥48kHz采样率的PCM/WAV无损格式83% similarUnverified音响需按面积配功率:100㎡内一对300W有源音箱够用,200㎡以上需分布式音箱或线阵,且必须确认场地提供无线麦克风数量(婚礼/演讲至少2支手持+1支领夹)82% similarUnverified降噪深度标称值需结合有效频段看,多数入耳式在中低频(100-500Hz,如飞机引擎、地铁轰鸣)降噪可达30-40dB,但对人声(1000Hz以上)几乎无效,需要办公室屏蔽同事说话应优先选带宽降噪的旗舰型号81% similarUnverified远距离拾音(讲台、大会议室>3米)需选PCM线性录音+高灵敏度麦克风,采样率≥48kHz/16bit,普通AI降噪机型在远场会丢失细节81% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/241774API
curl https://kongchang.com/api/v1/knowledge/claims/241774MCP
get_claim(id=241774)