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RE: DSD Numbers.

" Sony UK technical say it uses the full resolution of the DSD signal (32 bit) "

Sorry if I am posting a bit too much in this thread, but Sony tech actually told you that DSD is 32 bit resolution? DSD is a one bit delta sigma system. One bit.However even if they meant 32 bit as an equivalent it has no reality.

32 bit is, of course, a nonsensical resolution for audio use as it has the ability to capture sound with a dynamic range of around 193dB which just about exceeds any sound on Earth from the thermal movement of molecules to the greatest volcanic eruption.

The loudest sound ever heard on earth in modern times was the eruption of Krakatoa in 1883. Estimated at circa 180dB. Remember that decibels are logarithmic and that extra 13dB is even more preposterous. It cannot be catered for in any existing audio system. It's a "useful for marketing purposes " only number. Put it another way, if you could reproduce a recording with 193db dynamic range you will never hear again.

Edits: 02/20/17

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