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They have plenty of audio samples here:
http://www.plangentprocesses.com/examples.htm
Some Hollywood guys swear by it because it can clean up a badly warped 35mm without costly chemical 
treatment to the film itself. If you can grab the audio using one of those new sprocketless playback 
systems, Plangent can fix the wow.

-- Tom Fine

----- Original Message ----- 
From: "Ted Kendall" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, April 29, 2010 5:58 AM
Subject: Re: [ARSCLIST] Airshow Mastering & Plangent Processes


> Call me a sceptical old f*** if you will, but given the trouble I sometimes have in getting the 
> audio off tape of a certain age, never mind anything ultrasonic, I wonder about the applicability 
> of the technique as described in the real world...
>
>
> ----- Original Message ----- 
> From: "Paul G Turney" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, April 29, 2010 9:55 AM
> Subject: Re: [ARSCLIST] Airshow Mastering & Plangent Processes
>
>
> Chandra Lynn [mailto:[log in to unmask]]
> Sent: Thursday, April 29, 2010
> 02:12 AM
> To: [log in to unmask]
> Subject: [ARSCLIST]
>
> Airshow Mastering & Plangent Processes
>
> I noticed some earlier postings about Plangent Processes. It eliminates wow,flutter and speed 
> aberrations from analog masters. They are now working withAirshow Mastering to offer optimized 
> tape transfers.
>
> The announcement is onAirshow¹s site at http://www.airshowmastering.com/plangent.htm
>
> lHave any of you worked with Airshow or Plangent?
>
> If so, what has been your experience?
>
> One of GlowMarketing.com's clients is ... Airshow Mastering.Is this a wholly justifiable posting 
> asking for experiences not by the company or engineer but by their PR company?
> Which postings did Chandra Lynn notice about Plangent Processes?
>
>
>
> PT
> -----Original Message-----
> From: Andrew Hamilton [mailto:[log in to unmask]]
> Sent: Thursday, April 29, 2010 09:24 AM
> To: [log in to unmask]
> Subject: Re: [ARSCLIST] Airshow Mastering & Plangent Processes
>
> There are other forensic time stamp signals besides bias which would allow for an ATR-100-recorded 
> tape to be de-fluttered by the PP DSP. However, even though a tape may be played back by the 
> Airshow ATR-100, it's entirely possible that the tape was recorded elsewhere by a different 
> machine (having a much lower bias f). I believe that Airshow are offering this service with PP for 
> already-existing analog tapes, rather than for creative layback transfers.David Glasser is chief 
> engineer at Airshow and he has mastered a huge amount of audiophile CDs, DVDs, and SACDs. Great 
> ear; great rooms; great gear. From the PP website:"software algorithm, developed with researchers 
> at Cambridge University in England, which identifies a steady-state ultrasonic reference tone 
> (such as tape bias or logic control) embedded within the original analog signal and then performs 
> continuous high- resolution pitch correction in order to keep the reference tone at a fixed 
> frequency..."AndrewOn Apr 29, 2010, at 4:15 AM, Shai Drori wrote:> My experience with the ATR is 
> just the opposite. I have tested > various transport and some tapes were handled only by the ATR. 
> Does > the system figure out bias frequency automatically. What does it do > with tapes recorded 
> on the atr where the frequency is so high it > doesn't show up on playback (400kHz+)?> Shai>> On 
> 4/29/2010 8:54 AM, Paul G Turney wrote:>> Well they only use ATR 102 machines which are 
> notoriously rough >> tape handlers....>>>> They use software to track and maintain a bias 
> frequency so that >> any speed anomolies are and wow and flutter are reduced by >> maintaining 
> perfect pitch with this tone.>> Not worked with Airshow mastering.>>>> It appears to be a monopoly 
> on the software so Airshow would be >> subbing the work out to PP.>>>> PT>>>> -----Original 
> Message----->> From: Chandra Lynn [mailto:[log in to unmask]]>> Sent: Thursday, April 29, 
> 2010 02:12 AM>> To: [log in to unmask]>> Subject: [ARSCLIST] Airshow Mastering& Plangent 
> Processes>>>> I noticed some earlier postings about Plangent Processes. It >> eliminates 
> wow,flutter and speed aberrations from analog masters. >> They are now working withAirshow 
> Mastering to offer optimized tape >> transfers. The announcement is onAirshow¹s site at http:// >> 
> www.airshowmastering.com/plangent.htmlHave any of you worked with >> Airshow or Plangent? If so, 
> what has been yourexperience?>>>>