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Dolby B & C noise reduction system DDRP (Dynamics Detection Recording Processor) com-patibility The DDRP function is possible only when used with a suit-able JVC CD player. 2-color FL peak level indicator Digital tape counter respectively for deck A and deck B Synchro start (normal-/high-speed) dubbing Auto tape select mechanism (decks A and B)
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Dolby B is the most common NR system in the world and many pre-recorded cassettes use it. Some pre-recorded tapes sound better with the NR off. Dolby and dbx are encode/decode noise reduction systems. dbx needed a decoder for playback so was seldom used for pre-recorded tapes. dbx tapes played back without a decoder sounded very muffled.
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Next 2-minutes, Dolby NR B was used. Next 2 minutes, Dolby NR C was used. This was on Aiwa F990 (it has HX Pro, what it's worth for this experiment). Of course, I used the DATA system for auto tape calibration and Auto NR was set to manual. When I played back the tape, I noticed a subtle change when Dolby B kicked in; when C kicked in, it was.
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The Nakamichi NR-200 incorporates the revolutionary Dolby-C noise reduction system (C-Type NR) developed by Dolby Laboratories, as well as the Dolby-B noise reduction system (B-Type NR) which has been featured in many cassette decks so far. As against the 10dB of high frequency S/N improvement afforded by the B-Type NR, the C-Type NR achieves.
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Dolby C was a much more aggressive multi-band version originally intended for small-format professional video-tape systems and narrow-gauge semi-professional studio multitrack recorders. It was very sensitive to mistracking, but was unfortunately designed without any line-up tone facility to calibrate playback levels.
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Dolby B is the earliest, weakest, and by far most common type. It provides about 10 dB of noise reduction in the high frequencies. Dolby B tapes generally sound OK played back without Dolby, sometimes a little bright, which is why it became ubiquitous on prerecorded cassettes. Played back with Dolby engaged, you get noise reduction.
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It is the world's first dedicated software for decoding or encoding Dolby-C formatted audio in digital domain, along with full backward compatibility with Dolby-B. Powered by the proprietary DSP engine, the decoding/encoding can be performed in realtime, which allows for instant processing, monitoring and fine-tuning.
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Its. has three advantages over Dolby C: (1) many people find that. tapes recorded and played back using Dolby S sound closer to. the original than tapes done using Dolby C; (2) tapes recorded. using Dolby S don't sound awful if played back on Dolby B decks, and (3) Dolby S seems to be less sensitive to variations among.
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An -actually functional- Dolby B/C encoder/decoder, -hell, even just a Dolby B decoder that's actually complete and easy to use, without too many buts and ifs- has been the Holy Grail of tapeheads for a long time, as a simple search in the forums will reveal. Just think about the most obvious application -digitizing tapes encoded with Dolby B.
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In this video, we'll learn how Dolby B and C work, as well as do live comparisons with and without Dolby on Type I, Type.more.more It's cable reimagined No DVR space limits. No.
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A comparison between a cassette tape recording made with no Dolby noise reduction, Dolby B NR, and Dolby C NR on a 1995 Pioneer CT-W504R cassette deck on Son.
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A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog audio tape recording. [1]
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#1 I was just wondering if there is a consensus about which is the better NR system for general use, Dolby B or Dolby C? Back in the day I always though that newer had to be better, so when I got my first deck with Dolby C back in the early '80's I started recording most of my tapes using it.
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DDi Codec is a stand-alone GUI app without relying on any DAW host. It allows the computer to perform as a outboard Dolby-B/C NR unit in one of the following four scenarios: โข Audio-In to File (a digitizer/recorder). โข File to Audio-Out (a player). โข File to File (an off-line processor, with batch capability).
Denon CD / Cassette CombiDeck Pro Dolby BC NR Model DNT625 Photo 597391 Canuck Audio Mart
Given that in the early '70's, all Dolby B NR systems, including those built into cassette decks like the TEAC A450 / A360, were all constructed with discrete components and, I presume, said components would still be available 50-odd years later. Given that's correct, I presume it should be possible to construct a fairly simple Dolby B.
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DDi Codec is a precise digital emulation of the classic Dolby-B/C noise reduction system for analog audio tape. It is the world's first dedicated software for decoding or encoding Dolby-C formatted audio in digital domain, along with full backward compatibility with Dolby-B. Powered by the proprietary DSP engine, the decoding/encoding can be.