Unverified85% confidenceDecision RuleTime unknown
信噪比选购看DAC实测而非标称，音乐欣赏建议SNR≥120dB、THD+N＜0.001%；游戏/语音场景SNR≥110dB足够，追求高数值边际收益低
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Unverified信噪比(SNR)≥120dB且THD+N<0.001%属Hi-Fi级，游戏娱乐用114dB足够；低于108dB的廉价内置卡底噪明显，接高灵敏度入耳会有电流声84% similarUnverified失真指标看THD+N应＜0.01%，SNR信噪比≥110dB为优秀水平，但这些客观指标达标后进一步提升对听感影响很小，不必盲目追求数字极致82% similarUnverified信噪比(SNR)选择：纯游戏/语音沟通≥110dB即可，音乐监听或Hi-Fi聆听建议≥120dB，两者差异在安静段落底噪可闻81% similarUnverified音乐鉴赏/HiFi用途优先看信噪比与失真：信噪比≥110dB、THD+N＜0.005%为入门HiFi门槛；纯音乐用户应选无游戏音效DAC而非游戏声卡，因游戏声卡的DSP处理会引入音染81% similarUnverified看动态范围（DNR）而非只看采样率：DNR≥120dB属于优秀水平，≥115dB足够日常听感干净，本底噪声决定安静段落是否有底噪嘶声，比32bit/768kHz这类营销参数更影响实际听感79% similar
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