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- Jan 19, 2017> On Jan 19, 2017, at 10:00 AM, sppomerantz@... wrote:> Our QC department has been seeing consistent CRC errors on outputs to our SRW5500 deck. The errors also appear when playing back the tape in our SRW5100 (play only) deck. It appears to be limited to A3 only. I thought it might be a tape head alignment error, but since it's only on the one channel, I'm not about that. If the tape heads were misaligned, wouldn't we see the error on all audio channels?I reply:Yes. Just like Digital BetaCam, HDCAM-SR uses segmented recording. The 12 audio tracks are put on tape as segments of the video track. Because of this, it’s beyond my expertise to venture a guess why the problem is limited to A3.My wild guess would be that errors are being generated during channel 3’s track stream encoding; the buffers that align the 12 audio channels with the video into a continuous stream for recording onto the tape. This leads me to think that the problem is electronic, not mechanical. I wish you good luck in finding the problem.Dennis Degan, Video Editor-Consultant-Knowledge Bank
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