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#1
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What file format to send to cd pressing plant?
I have some songs mixed down to 24/48 wav. files. Should I convert
them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? If I don't have to crunch it down and can send uncompressed as-is, can I put them on a dvd as a data disc so they'll fit? Or does that mean the pressing plant will make 2,000 data discs? Lastly, the band wants 3 seconds in between each song. Can I just tell the plant to insert that time? Or do I have to do it before hand? |
#2
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What file format to send to cd pressing plant?
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#3
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What file format to send to cd pressing plant?
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#4
Posted to rec.audio.pro
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What file format to send to cd pressing plant?
I have some songs mixed down to 24/48 wav. files. Should I convert
them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? The problem is: why a 48kHz recording? Is it made also for a DVD? Converting from 48 to 44.1 is similar to a digital/analog/digital conversion... (except for the noise) -- Gianluca |
#5
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What file format to send to cd pressing plant?
On Tue, 09 Nov 2010 13:09:28 +0100, LAB wrote:
I have some songs mixed down to 24/48 wav. files. Should I convert them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? The problem is: why a 48kHz recording? Is it made also for a DVD? Converting from 48 to 44.1 is similar to a digital/analog/digital conversion... (except for the noise) Actually, as the original mixes are 24 bit, a properly executed SR conversion on the 24 bit data should add noise only at levels below the resolution of the 16 bit final output, so the effect will be minimal. SR conversion should be done before word lengh reduction, of course. -- Anahata --/-- http://www.treewind.co.uk +44 (0)1638 720444 |
#6
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What file format to send to cd pressing plant?
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#8
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What file format to send to cd pressing plant?
Il 09/11/2010 15.38, anahata ha scritto:
On Tue, 09 Nov 2010 13:09:28 +0100, LAB wrote: I have some songs mixed down to 24/48 wav. files. Should I convert them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? The problem is: why a 48kHz recording? Is it made also for a DVD? Converting from 48 to 44.1 is similar to a digital/analog/digital conversion... (except for the noise) Actually, as the original mixes are 24 bit, a properly executed SR conversion on the 24 bit data should add noise only at levels below the resolution of the 16 bit final output, so the effect will be minimal. SR conversion should be done before word lengh reduction, of course. SR conversion is still a critical step to be avoided. In the ALL DIGITAL production, ideally the SR of the final work is to be adopted from the very beginning stage. The CD is 44100. Not an issue if you plan to insert DA - AD conversion between stages of the production, for sample if you plan to mix in the analog domain a bunch of digital recorded tracks and then switch to digital again. In this case the last AD conversion should be at the SR of the final work, while the previous steps may be greater. here is a comparation of different software converters. http://src.infinitewave.ca/ |
#9
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What file format to send to cd pressing plant?
On Nov 8, 2:49*pm, " wrote:
I have some songs mixed down to 24/48 wav. files. Should I convert them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? If I don't have to crunch it down and can send uncompressed as-is, can I put them on a dvd as a data disc so they'll fit? Or does that mean the pressing plant will make 2,000 data discs? Lastly, the band wants 3 seconds in between each song. Can I just tell the plant to insert that time? Or do I have to do it before hand? You need to provide the pressing plant what they say they will accept. HINT: anything other than a replication-ready 44.1/16 master will cost you extra. rd |
#10
Posted to rec.audio.pro
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What file format to send to cd pressing plant?
RD Jones wrote:
On Nov 8, 2:49 pm, " wrote: I have some songs mixed down to 24/48 wav. files. Should I convert them to another file type, or at least crunch them down to 16 bit before sending them to the cd pressing plant? If I don't have to crunch it down and can send uncompressed as-is, can I put them on a dvd as a data disc so they'll fit? Or does that mean the pressing plant will make 2,000 data discs? Lastly, the band wants 3 seconds in between each song. Can I just tell the plant to insert that time? Or do I have to do it before hand? You need to provide the pressing plant what they say they will accept. HINT: anything other than a replication-ready 44.1/16 master will cost you extra. rd Right, Oasis isn't going to master it for free, but that mastering might cost less than the second two thousand units they plan to order. It generally takes one long enough to sell/distribute a thousand discs that one can reorder easily and not be without stock. Proper mastering might even improve the band's chances of selling the first thousand units. -- shut up and play your guitar * http://hankalrich.com/ http://armadillomusicproductions.com/who'slistening.html http://www.sonicbids.com/HankandShai...withDougHarman |
#11
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What file format to send to cd pressing plant?
The answer to the header's question appears to be: call the pressing plant
and ask what is best for your project, what is cheapest and what they recommend as cost efficient compromise. alex wrote: SR conversion is still a critical step to be avoided. In the ALL DIGITAL production, ideally the SR of the final work is to be adopted from the very beginning stage. That may not be possible nor in all cases the optimal choice. The variables are the initial converter and the sample rate conversion quality. The CD is 44100 And the dvd 48 or 96. So what mote be best, recording at 44 and releasing at 96 later or the other way around? - I don't *think* the AES recommendation of letting the cd get the sr-converted stuff rather than the dvd has been retracted, but someone may know this better than I. here is a comparation of different software converters. http://src.infinitewave.ca/ Interesting to see what is how lousy compared to what I happen to have already, and certainly makes the point that sample rate conversion and cnvrsion are different between audio implements, thank you, most interesting. Kind regards Peter Larsen |
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