Unverified60% confidenceFactExact time
44.1kHz采样率标准由索尼和飞利浦在1980年代制定CD规格时确立
2
Sources
60%
Confidence
Long-term
Relevance
8/6/2026
First Seen
Sources
Related Claims
UnverifiedCD品质音频每秒需要计算44100个采样点的振幅值，每个采样点的值可由 amplitude = A × sin(2π × frequency × t) 计算68% similarPartially Verified音源以流媒体/CD（PCM 16-24bit/44.1-192kHz）为主时，无需追求DSD512/768kHz规格，普通ES9038Q2M方案已足够，高规格采样支持在实际听感上无差异68% similarUnverifiedCD理论信噪比可达96 dB，远超黑胶唱片通常55–65 dB的水平68% similarUnverified一秒钟的CD品质音频包含44,100个采样点67% similarUnverifiedHi-Res音质本质是文件/流媒体规格（≥24bit/96kHz），实体CD物理上限为16bit/44.1kHz，所谓'Hi-Res CD'多为附赠下载码或蓝光音频，购买时应看清是否含实体高解析载体66% similar
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