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Dither does more than that, Page 426 of Robert Harley's "Complete Guide to High End Audio"

"Dither reduces quantization artifacts, allows the system to resolve information lower in amplitude than one-half of the least significant bit, and makes digital audio sound more like analog. Among other benefits, dither improves low-level resolution and smoothes reverberation decay. Without dither, reverberation decay gets granular in texture, then seems to drop off in a black hole. It's ironic that a small amount of analog noise can greatly improve the performance of digital audio."

I stand corrected on one item, "the original waveform is recovered by smoothing the staircase with a low pass filter" p. 418.

It appears that the low pass filter is makes the original waveform look smoother, and both the low pass filter and dithering is required to make the original waveform sound smoother.

But nothing is as smooth as an analog waveform as it is continuous.

44.1kHz Digital is not acceptable as a music carrier. 24 Bit 96kHz and DSD are just barely acceptable. But any recording available in both high-resolution digital and pure analog, the analog is superior sometimes to a huge degree.

Digital does it own bashing in the playing of it?

"Analog is Music, Digital is mathematics"
Happy listening,
Teresa


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