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are you smart? if u think so, answer this q

#1 User is offline   chrome_shadow 

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Posted 05 August 2004 - 10:17 AM

ok if you think yir smart u should be able to answer this question easily:D :
what is the difference between digital and analog audio in relation to the following:
1. how they are structured or visually represented
2. specific featured of each format
3. process of converting analog to digital audio.
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#2 User is offline   AndyFair 

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Posted 05 August 2004 - 12:35 PM

When does your homework have to be in? wink

AndyF
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#3 User is offline   chrome_shadow 

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Posted 05 August 2004 - 12:53 PM

lol what kinda person do you take me for andy?
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#4 User is offline   felix 

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Posted 05 August 2004 - 03:06 PM

1. how they are structured or visually represented

Analog audio used to come in vinyl disc form, generally surrounded by a thin cardboard sleeve.

Digital audio most commonly comes in aluminium disc form, with a plastic coating with a label on one side and surrounded by a plastic or cardboard case.

2. specific featured of each format

Analog audio could be scratched, bent, broken, heat & pressure damaged but had fantastic sound quality for the first few playings. It came in tube form, 33rpm disc, 45rpm disc and the older one which I can't remember if it was 72 or 83rpm.

Digital audio is read by laser and I'm not sure what speed it spins at.

3. process of converting analog to digital audio.

Simple - microwave. Same as the old non-foil chip packets made great keyrings. You can shrink any vinyl disc down to fit in a CD player.

And now for something completely different - http://www.google.com.au/search?sourceid...vs+analog+audio
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#5 User is offline   jmmijo 

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Posted 05 August 2004 - 04:50 PM

Originally posted by felix:
Quote:

2. specific featured of each format

Analog audio could be scratched, bent, broken, heat & pressure damaged but had fantastic sound quality for the first few playings. It came in tube form, 33rpm disc, 45rpm disc and the older one which I can't remember if it was 72 or 83rpm.

Digital audio is read by laser and I'm not sure what speed it spins at.


The original Sony-Philips spec is 150k per second or 1x speed. However I'm not sure of the actual spin rate either other then you can hear high-speed CD/DVD readers slow way down if you're using the analog playback function rather then the digital audio extraction method wink

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