<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Happy December 1 (as opposed to other labels for the day)</div><div><br></div><div>The 1960's era Ampex 1" industrial/educational videotape format that spawned the VR-5xxx, 6xxx and 7xxx VTRs is often referred to as "Type A" or "SMPTE Type A" with the assertion that it became a SMPTE Standardized format at some point.</div><div><br></div><div>Searching does not turn up any references to a SMPTE Standard that seems to apply, although one can find the SMPTE Type C helical scan standard without too much difficulty:</div><div><br></div><blockquote class="webkit-indent-blockquote" style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><blockquote class="webkit-indent-blockquote" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 40px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><div style="font-size: 12px; "><a href="http://standards.smpte.org/gca?gca=smptes;st-20-2003/1/part1&gca=smptes;st-19-2003/1/part1&gca=smptes;st-18-2003/1/part1&allch=&submit=Go">http://standards.smpte.org/gca?gca=smptes%3Bst-20-2003%2F1%2Fpart1&gca=smptes%3Bst-19-2003%2F1%2Fpart1&gca=smptes%3Bst-18-2003%2F1%2Fpart1&allch=&submit=Go</a></div><div><br></div></blockquote></div></blockquote><div>and similarly, for Type-B (the Bosch segmented 1" helical format)</div><div><br></div><div>Does anyone on the list know whether there was an actual SMPTE Standard adopted (or even proposed) for this legacy Ampex format, and if so, what the Standard Number is?</div><div><br></div><div>For Example: </div><blockquote class="webkit-indent-blockquote" style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div id="book-number" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 8px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: 16.6399993896484px; text-align: start; vertical-align: baseline; color: rgb(64, 56, 56); font-variant: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; "><div id="book-number" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 8px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: 16.6399993896484px; text-align: start; vertical-align: baseline; color: rgb(64, 56, 56); font-variant: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; "><span xmlns="" id="smpte-number" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: inherit; text-align: inherit; vertical-align: baseline; font-size: 12px;">ST 19:2003</span></div><div id="book-header" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 5px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: 16.6399993896484px; text-align: start; vertical-align: baseline; color: rgb(64, 56, 56); font-variant: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; "><span id="chapter-title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: inherit; text-align: inherit; vertical-align: baseline; font-size: 12px;">For Television Analog Recording — 1-in Type C — Records</span></div><div class="abstract-view" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: 16.6399993896484px; text-align: start; vertical-align: baseline; color: rgb(64, 56, 56); font-variant: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; "><div class="abstract" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: inherit; text-align: inherit; vertical-align: baseline; "><h2 id="title-2" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0.4em; margin-left: 0px; padding-top: 5px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: inherit; text-align: left; vertical-align: baseline; "><span class="Apple-style-span" style="font-size: 12px; font-weight: normal;">Scope</span></h2><p id="p-1" style="margin-top: 15px; margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; outline-style: none; line-height: 1.5; text-align: inherit; vertical-align: baseline; "><span class="Apple-style-span" style="font-size: 12px;">This standard specifies the dimensions and location of recorded video, audio, and tracking-control records for 1-in type C helical-scan television analog recorders operating in the 525/60 monochrome or NTSC color systems.</span></p></div></div></div></div></blockquote><div style="font-size: 12px; "><br></div><div>Directions to applicable standards or proposed standards, (or such information for "Type A" as outlined in the three Type-C documents linked to) would be most appreciated.</div><div><br></div><div>Cheers and thanks,</div><br><div>
<div><font class="Apple-style-span" style="font-size: 12px;">Ted</font></div><div style="font-size: 14px; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 12px; "><br></span></font></div><div style="font-size: 14px; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 12px; ">Ted Langdell</span></font></div><div style="font-size: 14px; "><span class="Apple-style-span" style="font-size: 12px; ">Secretary</span></div><div><span class="Apple-style-span" style="font-size: 12px; ">Quad Videotape Group</span></div><div style="font-size: 14px; "><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 12px; ">e-mail:<span class="Apple-tab-span" style="white-space: pre; "> </span><a href="mailto:ted@quadvideotapegroup.com">ted@quadvideotapegroup.com</a></span></font></div>
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