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Forum: General Discussion

Topic: How Do Timecodes Work

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not sure if this has been asked and/or answered yet as i couldnt find it in a search.

how do timecodes work, the technical stuff...... i want to know, for example,how the timecode allows you to control the way the software reacts.

i know this much, you grab your timecode, slap it in/on your deck, load a track to vdj and your timecode acts as a physical piece of hardware such as a cd or viynal. so if you speed it up of slow it down, bend a pitch or scratch the shit out of it, then vdj reacts in the same way.

how though do they do what they do.

i downloaded the cd timecodes just for no aparent reason and upon listening after i noticed they were mp3 they just prodice a single constant tone.

what is this tone for and what role does it play in the operation.

so many questions but not enough energy to type them all its like almost midnight.

 

geposted Sat 06 Jun 09 @ 5:17 pm
Here's how I understand it to work (and this is pretty basic)...

The "tone" is a digital signal which, I suppose, could be likened to a fax signal. Basically, the signal is read by the software which determines the position of the needle on the record (or the playback position if were talking cds). The position is tracked and matched to the loaded mp3.

Check this for more information:
http://en.wikipedia.org/wiki/Vinyl_Emulation_Software
 

Great link for the info.

I have been researching and using timecoded vinyl for a while now and the easiest way to explain the timecoded setup is that the vinyl or cd acts as a clock. If you look at a piece of timecoded vinyl compared to a regular piece of vinyl you will notice the look is significantly different. The timecoded piece will look almost as if it has a hologram type of look to it. Each mark that runs around the vinyl is a "timecoded" position that "talks" to the computer through your interface/ external sound card. Now you will also notice that there appears to be multiple grooves that look like breaks on the vinyl also. Normally those breaks are done in 1 minute increments. This allows you to pick up the needle and move it to a different position which tells the computer that you moved the needle to a different position on the record changing the time location of the needle. The cd works much the same way. With both there is a signal sound (constant tone) that relays the information. This signal is the other part of the system that is needed for the vinyl to "talk" to the comuter.

It's kind of funny. I have questioned this myself for a while and did a bunch of research to figure this out. Great question.
 



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