Recent content by Roger Dressler

As Todd rightly noted, "Absolute volume indicators are all over the map in terms of what they actually mean." Some of the uncertainty relates to the nature of the noise signal. While many products use the nominal level for THX calibration, there are plenty of others that do not. In your case the...

That's a good question. The particular recording in this case is from Sheffield Sound Labs, Ghost in the House, direct to disc vs their tape-to-CD version. I think they did very little, if any, of the usual processing that occurs during mastering -- which is what piqued my interest in why they...

That worked great! I loaded the CD and LP captures (20 sec each) and applied 1/3-oct smoothing. It showed an increase in HF above 5 kHz, reaching 3.3 dB at 10 kHz from the LP (red) version vs. the CD (blue). Just as I was hearing.

Superb! I knew I'd get the answer here. Thanks John.

Am new around here, but have been a fan of REW for years for room measurements and EQ tuning -- all the way back to my Tag McLaren processor days. Am now trying to compare two audio clips -- same song, one from CD, the other from LP. To me, they sound different in the high frequencies, so I...