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Showing results for tags 'convolution'.
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Here are some itching funnies (and ready made for REW targets) I’d like to share. First, Let’s take the same set of Impulse Responses obtained by Sweeps and average* them 3 ways in REW : Frequency Dependent Windowed RMS Average, RMS Average, FDW Vector Average. I add results from Real Time Analysis of Pink Noise measured while Moving Microphone. There have been some changes between MMM and Sweeps times but still there’s a good consistency between RMS Av and MMM results while FDW RMS Av and FDW VA yield radically different results, in my room with my speakers. Hence, you’
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Goal /the incumbent filters: get a faster more “agile” articulate intelligible sound while keeping big bass extension Crisis started when I switched off convolution to compare my setup + original Argo of Jamal at Alambra to the needle drop sold as dsd download (yes yes and to much praise by Acousticsounds ; meaningless comparison since I doubt the needle drop is sourced from the distorting but sometimes gloriously tubey original) : though convolved DSD was a clear winner over non convolved DSD or LP, it sounded too analog and too tamed, fat and slow. Findings
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Hi, I wonder if someone could provide a step-by-step guide to achieving room correction using REW and HQ Player. I tried to find a tutorial but the information is scarce and spread all over the web... It's been years since I last used REW to measure the frequency response at the listening spot. I have a mic, REW and I'm ready to go. Thanks, Ricardo
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There's Nyquist, there's the actual bandwidth limited range in relation with the actual microphones range and arguments for 192 helping reconstructing transients. However there might be a better argument for using even more space disk : multichannel even for stereo. I'm convinced that what I discovered with MCH Electric Ladyland goes far beyond eventual differences in remastering talents or marketing strategies (Bernie Grundman signs the Stereo that is soso while Eddie Kramer signs the MCH ; the latter supervised the gorgeous Mono LP Axis signed by the former who delivers a soso Mo
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- multichannel
- hqplayer
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I'm still an audiophile when I watch TV. And my computer is now by best source for ripped movies too since I am back to the future with a Kuro 500 Plasma TV (that doesn't have the capability to process my Blu-Ray remuxes) I could do with the included in IINA (new os x player based on mpv) eQ but I want better. However I must confess I have not been able to write a correct syntax to get IINA trigger FFmpeg afir that would convolve the IR filters I have designed for HQplayer. Anyone can help?
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- dsp
- convolution
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I'm trying to get an audiophile sound when playing remux ripped blu-rays on my computer. Getting the right syntax to make afir work in FFmpeg would be a way. At the moment I follow Bob Stern's advice to try Audio Hijack to capture the audio output of my video player app and put an AU in. Allloy 2 works but I know I can beat simple eQ with my filters REW/RePhase designed for HQP. I can't get iZotope Trash nor Fog convolver to simply convolve my own 2 channels FIR. The simple but mighty old LAconvolver works and beats Alloy 2 yet. However it resamples my filters to 44.1 and I'd like to keep
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- convolution
- audio unit
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I have previously posted asking how to configure JRiver to send stereo to multiple zones. I have now come up with a solution. This is the best I could manage without moving to pro audio type solution. I would still like to implement a master volume for the convolution channels but for now I guess I have to live with this setup. It was a slow progress from 2 speakers to the current 26 speakers setup. It took me 5 years to get the 4 speakers correct and last few months for the rest of the speakers. The convolution works for stereo setup too and it doesn't cost much.
- 3 replies
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- jriver
- ambiophonics
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The measurements of actual concert halls presented here https://pdfs.semanticscholar.org/e4c9/b3222f26472f6ba12e7fea900c2edb10c14c.pdf show a much more drastic drop of the frequencies above 5K than suggested by target curves such as B&K C, Bob Katz's or HK RR1 The bass roll-off is consistent with the FR of the monitors used while the drastic treble roll off appears to be the hall response. I recently frowned at the measurements of an expensive Audio Research amp (see Stereophile) but this, and some solutions blamed for rolloff, would it be filters cables or what have
- 150 replies
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- target curve
- convolution
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