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<div>I believe any BVW<a></a> (or Ampex<a></a> CVR<a></a>) that was SP had the two
<u>additional</u> (no edit capabilities) higher quality channels called AFM<a></a> (audio frequency modulation) with the modulation frequencies down under luminance. The D75<a></a> was still a betacam<a></a> to tape recording (CTDM<a></a>) however it had digital
(SDI) I/O's<a></a>. There was even a composite digital version; it also still was CTDM<a></a> on tape but composite digital out.</div>
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<font face="Tahoma" color="#000000" size="2"><b>From:</b> quadlist-bounces@quadvideotapegroup.com [quadlist-bounces@quadvideotapegroup.com] On Behalf Of Dennis Degan [DennyD1@verizon.net]<br>
<b>Sent:</b> Friday, June 03, 2011 3:36 PM<br>
<b>To:</b> Quad List<br>
<b>Subject:</b> Re: [QuadList] QuadQuiz: What company used a 2" Quad machine for digital audi...<br>
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<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span>On Jun 3, 2011, at 1:41 PM, Gary Adams wrote:</div>
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<div>> I don’t recall a digital audio method recording on a quad. Would it have been similar to the Sony PCM type system that recorded digital audio on ¾ inch decks? </div>
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<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span>I reply:</div>
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<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span>I also don't recall any quad VTR with digital audio capability. Certainly not digital audio in addition to the analog video. More than likely, it was what you suggest: The Sony 14-bit PCM
system that converted digital audio into a psuedo-video signal which enabled ANY VTR to record digital audio. Of course, using this system would preclude the capability of recording regular video along with the digital audio, but hey, it's two channels of
DIGITAL audio!</div>
<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span>There WAS a 1-inch Type-C Sony VTR (BVH-2800) that could record digital audio along with the analog video. Also, Sony made a BetaCam SP deck with digital audio. I think it was named the BVW-D75.</div>
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<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span>Dennis Degan, Video Editor-Consultant-Knowledge Bank</div>
<div><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span><span class="Apple-tab-span" style="WHITE-SPACE: pre"></span> NBC Today Show, New York</div>
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