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Most who are familiar with Sony's MiniDisc know it as a portable music  playback format. But the MDCC-2000 had a much more unique purpose.  

MDCC-2000 operating instructions (PDF): https://www.sony.com/electronics/support/res/manuals/W000/W0006658M.pdf

Sources:
Stenography photo: https://www.flickr.com/photos/mgifford/15792067707  

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Music by Epidemic Sound (https://www.epidemicsound.com).
Intro music by BoxCat Games (https://freemusicarchive.org/music/BoxCat_Games).

Files

The MiniDisc deck you hoped to never see

Most who are familiar with Sony's MiniDisc know it as a portable music playback format. But the MDCC-2000 had a much more unique purpose. MDCC-2000 operating instructions (PDF): https://www.sony.com/electronics/support/res/manuals/W000/W0006658M.pdf Sources: Stenography photo: https://www.flickr.com/photos/mgifford/15792067707 ----------------------------------------­------------------------------------- Please consider supporting my work on Patreon: https://www.patreon.com/thisdoesnotcompute Follow me on Twitter and Instagram! @thisdoesnotcomp ----------------------------------------­------------------------------------- Music by Epidemic Sound (https://www.epidemicsound.com). Intro music by BoxCat Games (https://freemusicarchive.org/music/BoxCat_Games).

Comments

Asaf Sagi

This was one of the coolest videos on one of the coolest devices I've seen in a while.

Gavin Rea-Davies

Couple of thoughts: If it doesn't use MD LP, then does it record in a more primitive way? For example, does it record at lower rpm, like with a reel to reel? Maybe the spindle motor hum is a lower pitch? Next, does it record non stop in reel time (sorry, terrible pun) with lots of compression? or does it record it batches using the built in buffer, and record the audio in short bursts at say 4x speed and hence frequency? Then play it back at 1/4 of the recorded frequency to get back to normal speed? Another thought: The sample rate is 44.1kHz, but the frequency response in only to 10kHz. A 4.41:1 ratio. Is you multiply the 74 minutes of a normal MD by 4.41 you get 326 minutes, or just over 5 hours. Also, I notice that when played in a normal player, you said the times plays back at 1/4 speed but that there's no audio. Coincidence, or clue? Last, it's interesting to see that the four channels, though each accepting two inputs, are each blended into a monoaural track. While a normal stereo track could easily be made to carry two mono tracks, it's less clear how a digital data feed could be made to carry four of them. Any way, it's certainly a cool machine!