Unverified80% confidenceTradeoffTime unknown
降噪深度与续航存在权衡：开启最强降噪档会明显缩短续航（通常减少20-30%），标称续航多为中等降噪档实测值，重度降噪用户应按标称续航打7折估算
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Unverified开启最强降噪会显著降低续航(有的机型缩短30-40%)，标称续航多为关闭或中档降噪测得，实际重度降噪使用需按标称打7折估算92% similarUnverified单耳续航与降噪强度呈反比，开启强降噪普遍缩短续航20-30%；标称续航多为关降噪数据，实际使用需按约7折估算90% similarUnverified降噪越强越费电，开启最强降噪档通常比关闭降噪续航缩短20-30%，标称续航需按降噪开启后打折估算88% similarUnverified降噪效果越强通常越费电，且强降噪状态下单次续航普遍比关闭时缩短15-25%，看续航参数要认准'开降噪'口径87% similarUnverified降噪越强越费电，同一机型开降噪续航通常比关降噪缩短30%-40%；标称续航一般为关降噪数据，实际使用需按开降噪打七折估算87% similar
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