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TRANSFERRING PCM-F1 DIGITAL TAPES presented by Gary Galo 

Association for Recorded Sound Collections
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The Association for Recorded Sound Collections presents the following program from its 2018 ARSC Conference in Baltimore, Maryland on Friday May 11, 2018:
TRANSFERRING PCM-F1 DIGITAL TAPES
presented by Gary Galo, Crane School of Music, SUNY Potsdam
The PCM-F1 was a portable digital audio recording system introduced by Sony in 1981. Though originally marketed as a consumer product, the PCM-F1’s excellent audio quality and affordable price made it far more popular in professional audio circles.
This portable digital processor encoded digital audio onto a video carrier for storage on Beta-format video cassettes. Most users chose Sony’s matching SL-2000 Beta recorder.
The PCM-F1 digital processor was not equipped with a digital audio output, making it undesirable for transferring these recordings to modern digital formats. Sony subsequently manufactured F1-compatible digital processors with S/PDIF digital outputs, including the PCM-601 ESD.
This paper will outline a procedure for transferring PCM-F1 digital recordings using a PCM-601 ESD processor and a stand-alone digital recorder. Practical solutions to the four issues facing anyone transferring PCM-F1 recordings will be covered, including: the non-standard 44.056 kHz sampling rate, the 50 μSec /15 μSec pre-emphasis curve, the inter-channel time delay, and DC offset.
The presentation will explain how a stand-alone digital recorder easily solves the first two problems, and how the remaining two can be addressed with most computer-based digital editing programs.
THE ASSOCIATION FOR RECORDED SOUND COLLECTIONS (www.arsc-audio.org) is a nonprofit organization dedicated to the preservation and study of sound recordings, in all genres of music and speech, in all formats, and from all periods. ARSC is unique in bringing together private individuals and institutional professionals-everyone with a serious interest in recorded sound.
Videographers: Michael and Leah Biel
Editor: Nathan Georgitis

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15 июн 2024

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Комментарии : 3   
@video99couk
@video99couk Год назад
I have F1, 501, 601 and 701 decoders. Generally I use a PCM-501ES with an added S/PDIF output, which works better than the PCM-601 when there are gaps in the original recordings. Alas my Tascam SS-R250N does not support 88.2kHz sample rate even though it does higher than this. Here in PAL lands, most of the tapes I get in are true 44.1kHz sample rate. I do de-emphasis within Audacity. It is important to use a Beta machine with a PCM switch, which disables the DOC (dropout compensator), or add this feature yourself. Only then can the decoder's error correction work properly.
@Capturing-Memories
@Capturing-Memories Год назад
As far as I knw professionals used uMatic and reel to reel, Small production and hobbyists used Beta and VHS, though mostly Beta.
@jorgendnilsson
@jorgendnilsson Год назад
Finding a decoder, and a decoder with digital out at that!, would be unobtainium here. I think it would be easier here to digitize the video to FFV1 lossless video. The original stream are preserved that way, and from there use digital processing with avisynth or similar to extract the digital audio stream. That part would need a bit of development, but nothing very difficult as long as the format are documented. (And it is, I've been told.)
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