Unverified80% confidenceCautionTime unknown
手机白噪音App已能满足绝大多数偶尔需求，不建议为短途出行专门购买独立白噪音机；仅当追求无屏幕干扰、避免手机整夜发热耗电或哄婴场景时才有必要
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80%
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Long-term
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Unverified手机白噪音App在多数场景已够用且免费，若不追求彻底断网、无需长续航独立设备，不建议单独购买硬件白噪音机92% similarUnverified手机白噪音APP已能覆盖多数居家需求，不经常出差或对声音不敏感者不必单独购买硬件白噪音机92% similarUnverified手机白噪音App功能与音质已能覆盖大多数出行需求，仅偶尔差旅、不介意手机占用者不必单独购买硬件白噪音机92% similarUnverified仅用手机播放白噪音App即可满足偶尔需求者，不建议专门购买独立白噪音机，除非追求物理发声音质或需避免手机电量占用90% similarUnverified手机白噪音APP免费且音效更丰富，若仅居家偶尔使用不建议单独买白噪音机；专用机的价值在于不占手机、不受消息打断、续航独立88% similar
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