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PCM1717系列数字音频D A转换器动态性能的测定方法的介
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2009-06-03
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This application bulletin will provide the reader with an
understanding of test methods for audio digital-to-analog
converters (DACs). In particular, delta-sigma (DS) DACs
require a special understanding due to the nature of their
architecture. The dynamic specifications of interest for an
audio DAC are THD+N (total harmonic distortion + noise),
dynamic range, channel separation, and idle channel noise
(often referred to as SNR, signal-to-noise ratio). There are
many possible digital audio applications, but only CD-DA
(reproduction of digital audio from a compact disc) has a
standard specification defined by EIAJ (Electronic Industry
Association of Japan).
understanding of test methods for audio digital-to-analog
converters (DACs). In particular, delta-sigma (DS) DACs
require a special understanding due to the nature of their
architecture. The dynamic specifications of interest for an
audio DAC are THD+N (total harmonic distortion + noise),
dynamic range, channel separation, and idle channel noise
(often referred to as SNR, signal-to-noise ratio). There are
many possible digital audio applications, but only CD-DA
(reproduction of digital audio from a compact disc) has a
standard specification defined by EIAJ (Electronic Industry
Association of Japan).
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