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In Reply to: RE: Your words, not mine. posted by andy_c on November 03, 2009 at 11:51:44
I have been using minimum phase anti-aliasing filters that roll off moderately smoothly starting at 20 kHz in the cassette tape transfers that I make to 44/16 downloads. This allows the recordings to sound nice on players that have brick wall filters. However, my filters are set to keep all the aliases at least 100 dB down. I don't want any spurious tones in my recordings. (The ADC runs at 88/24, this format is used for editing and any mastering adjustments. The final result is downsampled using the 64 bit iZotope SRC and dithered down to 16 bits.)
Of course, these recordings will sound best when played on brick wall players. They will be rolled off and smeared slightly when played on present "filter du jour" equipment such as the QB-9.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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