<html><head><base href="x-msg://43/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Yes, that is the way I remember. Sony insisted on recording the entire video. My Ampex machines did not have the sync head and I never missed it.<div><br></div><div>Bill Carpenter may shed more light.<br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div><div><br class="Apple-interchange-newline">Best,</div><div>Park</div><div><br></div></div><div>C. Park Seward</div><div>Visit us: <a href="http://www.videopark.com">http://www.videopark.com</a></div><br class="Apple-interchange-newline"></span></div></span></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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<br><div><div>On Feb 7, 2010, at 7:50 AM, Wayne Watson wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div ocsi="x"><div dir="ltr"><font face="Tahoma" color="#000000" size="2">It was in the SMPTE standard. Ampex made it an option and Sony made it standard. The concern was that something in the future might need the V.I. However in type C only lines 4 to 14 were missing so VITC and VITS were still there. I think there was also an issue where Sony did not want tp pay re a patent Ampex had on control track update (or something like that)and needed the V.I. to do it their way. Can anyone shed more light on that?</font></div><div id="divRpF276414" style="direction: ltr; "><hr tabindex="-1"><font face="Tahoma" size="2"><b>From:</b><span class="Apple-converted-space"> </span><a href="mailto:quadlist-bounces@quadvideotapegroup.com">quadlist-bounces@quadvideotapegroup.com</a><span class="Apple-converted-space"> </span>[quadlist-bounces@quadvideotapegroup.com] On Behalf Of Scott Thomas [scottgfx@mac.com]<br><b>Sent:</b><span class="Apple-converted-space"> </span>Saturday, February 06, 2010 11:59 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Quad List<br><b>Subject:</b><span class="Apple-converted-space"> </span>[QuadList] Blanking Issues<br></font><br></div><div></div><div><div>Talking about Type-C for a moment; I can't remember if it was Sony or Ampex (or both?), but they had a separate "sync" head on the scanner. I'm assuming that was to have a clean sync pulse on the head switch? A problem obviated by a TBC?</div><div><br></div><div>Scott Thomas</div><br><div><div>On Feb 6, 2010, at 5:20 PM, Don Norwood wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span"><div bgcolor="#ffffff"><div>Hi Park:</div><div> </div><div>All of the Type-A 1" machines up thru the VR-7800 had the switch above the vertical interval. The VPR-7900 was the first to place it in the vertical. Remember also that the Type-A machines are single head, so there is more than a "switch", there is a dropout for several lines. The VR-660 is a 2-head design so there is a switch and no dropout.</div><div> </div><div>When Sony made their first 1/2" machines, there was apparently some "reverse engineering" done on their Ampex predecessors. Although the Sony machines were 2-head, they had a "blanking" circuit that covered up the switching point and produced a totally blank area in the same location as the Ampex Type-A. There was no logical reason for that other than replicating the output signal of the Ampex. The practice was discontinued in subsequent models.</div><div> </div><div>Don Norwood<br><a href="http://www.digitrakcom.com" target="_blank">www.digitrakcom.com</a> </div></div></span></blockquote></div></div>_______________________________________________<br>Please trim posts to relevant info when replying!<br>Send QuadList list posts to<span class="Apple-converted-space"> </span><a href="mailto:QuadList@quadvideotapegroup.com">QuadList@quadvideotapegroup.com</a><br>Your subscribe, unsubscribe and digest options are here:<br><a href="http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com">http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com</a></div></span></blockquote></div><br></div></body></html>