[ProAudio] FeralA - Recordings released encoded with Dolby A

[Corey Bailey Audio Engineering]

Hi Mike,

These days, for cassette transfers, I prefer to use a dual capstan deck. 
Naks have the added bonus of having pad lifters in most of their dual 
capstan decks.

-CB

Corey Bailey Audio Engineering
www.baileyzone.net

On 2/11/2020 5:22 PM, Mike via ProAudio wrote:
> Just a side note about Dolby cassettes:
>
>
> Corey Bailey Audio Engineering<proaudio at baileyzone.net> wrote:
>
>> IIRC, it was Dolby B. Could have been "C" because, at the time, I used
>> whatever was built into the record deck & was compatible with my car
>> stereo so that I could switch the NR off.
>
> I reviewed a Marantz cassette deck last year, looking for something I 
> could recommend to the home-archivists who want to digitize the closet 
> full of cassettes of their band's shows from 30 years ago, but who no 
> longer have a means to play them and wouldn't spend the bucks on a 
> restored Dragon. It has a Noise Reduction switch (for playback only), 
> but no B/C switch. I asked their tech support about it, assuming that 
> it was Dolby B, and the answer was that it works for either B or C.
>
> I didn't have a good way of testing how good of a job it did on either 
> - the best I could do was to compare playback in the Marantz with that 
> of my TASCAM 112Mk2, but with several other significant differences 
> between playback on the two decks, I couldn't really evaluate the NR 
> decoding.
>
> It turns out that what's in the Marantz (and also in an almost 
> identical deck from TASCAM) is that it's not really Dolby, because 
> there are no more Dolby decoder chips available, and that's what was 
> used in all the cassette decks. This decoder circuit was something 
> that was developed (I don't know by who) to approximate the Dolby 
> playback - one size "fits" all - though I suppose not Dolby S.
>
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