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Showing results for tags 'izotope'.
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I wanted to start a topic that focuses on the parameters of these two upsamplers in A+ and perhaps even get some objective measurements of Fourier transforms (impulse response graphs) from those people who can capture them. My experience comes from these software upsamplers as they are implemented in Audirvana Plus 3.2 - But I don't think there's anything keeping others with different players from chiming in here. To kick things off, I'm using @copy_of_a 's extreme settings for iZotope as shown below. In order to avoid aliasing with his settings, you have to use a software plugin to further lowpass the signal. In my case, I'm using FabFilter ProQ2 steepness: 3 length: 500,000 Cutoff: 1.25 Anti-Aliasing: 50 Prering: 0.36 For SoX, I've chosen the below based solely by ear. No LP filter is needed with an EQ plugin since the filter is much steeper it seems. Admittedly I haven't put near a much time into SoX as I have with iZotope: Bandwidth: 90 samples: 500,000 Anti-Aliasing: 85 Prering: 41 Overall, the biggest difference between these is the inability to finely tune the filter steepness in SoX. I've read some anecdotal things and tend to agree with most of them. For instance, Sox seems to present a great image/stage/separation, but comes at the expense of some more ringing that can be heard in the "shimmering" highs on cymbals. What's interesting though, is that the preringing doesn't seem too bad when I scrutinize the timing of a kick drum - hearing first its batter head which should be followed by its resonate sub bass thump. I find that my setting in iZotope still perform best here - but the SoX isn't nearly as bad in the lows as with the high frequency "smearing/shimmering" I hear. But this could just be my settings, more time will tell which is the better upsampler for me. What else have other's experienced?
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Any comments on adding iZotope Ozone 8 as a DSP processor for a JRiver-based listening environment? I sometimes use the JRiver DSP EQ and Headphone-crossfeed tools to reduce glare and fatigue when listening to older classic rock and other older Rock and Roll music. Some headphones really need it with this music. The Jriver DSP tools work OK at this, but sometimes the bass clarity is compromised, but I accept this drawback. (I suppose I could just use the Ozone 8 alone for playback and leave Jriver out of the picture for certain ripped CDs or other files. These are .ape files that Jriver creates.) Reducing glare and fatigue in the upper mids and highs (most often on vocals) is the only thing I use EQ and DSP for. Any tips or comments are welcome. Thank you. (I use a Chord DAVE DAC.)