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Can someone tell me how to unsubscribe? Thanks. -----Original Message----- From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Shai Drori Sent: Wednesday, September 10, 2014 9:09 AM To: [log in to unmask] Subject: Re: [ARSCLIST] recording "cleanup" plugins and 192/24 That's how I do it. Shai בתאריך 10/09/14 1:34 PM, ציטוט Andrew Dapuzzo: > While I understand the importance of capturing output "above 20kHz" > with the aforementioned tools, are there any tools available to help > with azimuth adjustments? Older recordings, especially those made in > the field with machines that have been "banged up", may be recorded > with azimuth that is slightly off. Therefore, the higher frequencies > may be lost or diminished if playback is not adjusted to the exact > azimuth of the original recording. Is the only tool available our > ears listening as we manually adjust the azimuth? > > On Fri, Aug 29, 2014 at 6:18 PM, John K. Chester <[log in to unmask]> wrote: > >> At 04:49 PM 8/29/2014, Tom Fine wrote: >> >>> John, is there a modification for to remove those noises? Do 3rd >>> party electronics also carry those noises or are they something with >>> the power rails under the transport? Sorry if these are ignorant >>> questions, I'm not that familiar with the innards of ATR's. >>> >> I suspect this is neither the list nor the proper subject heading for >> discussing such a highly technical issue, but here's a brief answer: >> >> I have never tried to clean up an ATR with stock electronics, >> although I have a good idea of where to start. I have no data on 3rd >> party electronics other than Plangent's. When I got the Plangent >> electronics to be clean enough for our purposes, I stopped worrying about the problem. >> Plangent does use a preamp in the headblock with a cable running >> directly to our box, which helps keep things clean. >> >> I do find it a bit odd that folks doing 192k transfers often don't >> seem to worry about how much signal gets from the tape to the tape >> machine output above 20 kHz, and how much noise in that region comes >> from the machine rather than the tape. There are useful signals up >> there, and we know that if the transfer captures them they can later >> be used to improve the quality of the audio below 20 kHz that we can actually hear. >> >> -- John Chester >> >> >> >> ----- Original Message ----- From: "John K. Chester" >> <[log in to unmask]> >>> To: <[log in to unmask]> >>> Sent: Friday, August 29, 2014 4:33 PM >>> Subject: Re: [ARSCLIST] recording "cleanup" plugins and 192/24 >>> >>> >>> At 05:06 PM 8/29/2014, Shai Drori wrote: >>>>> So if I turn the display off the 28.8 kHz goes away? >>>>> >>>> No, that noise on an ATR is actually coming from the reel motor >>>> drivers. The display generates other noise which starts somewhere >>>> in the mid-50's of kHz and has lots of harmonics. >>>> >>>> Turning off the display removes a lot of the noise spikes in the >>>> audio output but not all of them. >>>> >>>> -- John Chester >>>> -- Cheers Shai Drori Timeless Recordings [log in to unmask] בברכה, שי דרורי מומחה לשימור והמרה של אודיו וידאו וסרטים 8-35 ממ.