Unverified70% confidenceTradeoffTime unknown
声音真实度与音量安全存在权衡:模拟胎内音/心跳的低配设备常为掩盖失真而调高低频音量,反而超标;宁选音质清晰、可精确调节音量的产品,也不选'音效丰富但音量档位粗糙'的机型
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70%
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Long-term
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