[KongchangAI]
Unverified75% confidenceDecision RuleTime unknown

枪式(超枪形)指向话筒的有效拾音距离通常达1.5-3米,适合桌面前1-2米的单人录音或采访;而心形话筒拾音距离一般在0.15-0.5米最佳,超过0.6米人声就明显变闷、噪声比升高

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