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RE: DSD [A Reprise]...

DirectStream DAC use sigma delta modulation for converting input PCM data to 1-bit.

If we simply upsample multibit PCM and truncate bit-depth to 1, we get high quantisation noise level (depend on sampling rate).

Sigma delta modulation allow shift most energy of the noise to inaudible frequency range.

DirectStream DAC audio data format = DSD = DSF audio data format = sigma delta modulation with sample rates 44100 Hz x N


Software developer of HD audio file converter



Edits: 09/17/14 09/17/14

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  • RE: DSD [A Reprise]... - Yuri Korzunov 12:53:19 09/17/14 (0)

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