Digital Drive

Posted by Todd Krieger (A) on September 05, 2007 at 01:36:19

In Reply to: RE: Whest Dap10 Discrete Analog processor posted by kkmacc on September 02, 2007 at 02:33:45

I recall products in the early digital days that restore harmonics above 22.05 kHz. I think the interest in such products declined when high-rez digital hit the market.

Nonetheless, an interesting product, especially for those who think band limiting is a major deficiency in CD playback.

A word of warning- This product should only be used with DACs that use classic "brickwall" filtering, since non-music-related "image" components above 22 kHz are kept to a minimum in these designs. (Most modern CD players and DACs still use this type of filtering.) But with non-OS or time-resolute DACs, which pass through these ultrasonic "image" components to a far greater degree, the "harmonic restoration" might act partly on these "image" components, which would likely negate sonic benefit.

• no problem with my non-oversampling DAC - Quiet Earth 18:04:12 09/05/07 (5)
  • Don't take anyones word for it... use your OWN ears! - robm1 08:33:08 09/08/07 (2)
    • RE: Don't take anyones word for it... use your OWN ears! - Quiet Earth 21:13:04 09/09/07 (0)
    • Yep - Ted Smith 10:53:05 09/08/07 (0)
  • RE: no problem with my non-oversampling DAC - Todd Krieger 20:54:17 09/05/07 (1)
    • Todd, Todd, Todd . . . . - Quiet Earth 21:48:28 09/05/07 (0)

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