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At long last, copy your digital collection to vinyl!
Apesbrain
post Dec 21 2012, 21:16
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http://www.engadget.com/2012/12/21/3d-printed-record/

Enjoy the video!
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bryant
post Dec 23 2012, 00:05
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This is very cool! I recently had sort of the reverse idea: storing digital audio on [pressed] analog LPs. We used to store digital data on analog cassettes (Im dating myself here), but the technology was extremely primitive and the system I used was only about 1 kbps, although I have read that people got up to 4 kbps with pretty cheap mono machines. Magazines would sometimes publish programs on thin plastic records that you tore out (although those were usually 300 bps, IIRC).

By taking advantage of todays much more advanced methods (QAM256, Reed-Solomon ECC, etc.) and the LPs greater bandwidth (20-25 KHz times two channels) it might very well be possible to get 128 kbps, which would provide usable audio quality with Opus or AAC encoding. Of course you would want a little decoder box with an S/PDIF output, but the prototype could use a PC for playback. All the fun of playing LPs without the clicks and pops! (The only LP artifact youd still be left with is wow, and you could get rid of that if you were willing to put up with some latency).
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- Apesbrain   At long last, copy your digital collection to vinyl!   Dec 21 2012, 21:16
- - Sunhillow   This brings the analog warmth back to digital sour...   Dec 21 2012, 21:25
|- - Arnold B. Krueger   QUOTE (Sunhillow @ Dec 21 2012, 15:25) Th...   Dec 24 2012, 14:47
- - mzil   I wouldn't advise this! The stylus isn...   Dec 21 2012, 21:53
|- - Soap   QUOTE (mzil @ Dec 21 2012, 15:53) I would...   Dec 21 2012, 22:31
|- - Glenn Gundlach   QUOTE (mzil @ Dec 21 2012, 12:53) I would...   Dec 22 2012, 10:46
|- - krabapple   QUOTE (mzil @ Dec 21 2012, 15:53) I would...   Feb 9 2013, 19:59
|- - mzil   QUOTE (krabapple @ Feb 9 2013, 14:59) I...   Feb 9 2013, 21:31
- - mzil   What matters is not the dimensions of the needle, ...   Dec 21 2012, 23:26
- - splice   The "stairstepping" of the printed groov...   Dec 22 2012, 03:42
|- - mzil   QUOTE (splice @ Dec 21 2012, 22:42) The ...   Dec 22 2012, 04:32
|- - Soap   QUOTE (mzil @ Dec 21 2012, 22:32) Conside...   Dec 22 2012, 04:50
||- - mzil   QUOTE (Soap @ Dec 21 2012, 23:50) QUOTE (...   Dec 22 2012, 05:16
|||- - Nessuno   The printing process is actually a downsampling an...   Dec 22 2012, 10:06
|||- - Soap   QUOTE (mzil @ Dec 21 2012, 23:16) QUOTE (...   Dec 22 2012, 11:47
|||- - Glenn Gundlach   QUOTE (Soap @ Dec 22 2012, 02:47) Glenn, ...   Dec 22 2012, 19:41
|||- - mzil   QUOTE (Soap @ Dec 22 2012, 06:47) QUOTE (...   Dec 24 2012, 06:36
|||- - Soap   QUOTE (mzil @ Dec 24 2012, 00:36) QUOTE (...   Dec 24 2012, 21:10
|||- - mzil   QUOTE (Soap @ Dec 24 2012, 16:10) QUOTE (...   Dec 25 2012, 00:58
|||- - Soap   QUOTE (mzil @ Dec 24 2012, 18:58) There...   Dec 25 2012, 01:14
|||- - BFG   When I first read this topic's title, I though...   Feb 9 2013, 19:09
||- - mzil   QUOTE (Soap @ Dec 21 2012, 23:50) QUOTE (...   Dec 25 2012, 01:33
||- - Soap   Again, the point is that your line: QUOTE (mzil ...   Dec 25 2012, 02:10
||- - Soap   QUOTE (mzil @ Dec 21 2012, 22:32) Conside...   Dec 25 2012, 03:47
||- - splice   QUOTE (mzil @ Dec 24 2012, 17:33) ... My ...   Dec 25 2012, 11:59
|- - splice   QUOTE (mzil @ Dec 21 2012, 19:32) QUOTE (...   Dec 23 2012, 01:33
|- - pdq   QUOTE (splice @ Dec 22 2012, 19:33) Do yo...   Dec 24 2012, 14:42
|- - splice   QUOTE (pdq @ Dec 24 2012, 05:42) QUOTE (s...   Dec 24 2012, 21:25
|- - washu   QUOTE (splice @ Dec 24 2012, 15:25) CGA d...   Dec 24 2012, 21:40
- - bryant   This is very cool! I recently had sort of the ...   Dec 23 2012, 00:05
- - lvqcl   AFAIR CGA graphics = 320x200 4 colors or 640x200 2...   Dec 24 2012, 21:33
- - splice   You're right. Memory is the second thing to go...   Dec 25 2012, 00:11
- - mccarthyk   That is amazing. I'm sure it's not too di...   Feb 9 2013, 17:58
- - splice   QUOTE (mccarthyk @ Feb 9 2013, 09:58) Tha...   Feb 10 2013, 03:02


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