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Sample Rates... What?
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Old 10th May 2012   #1
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Sample Rates... What?

I tend to record and mix at 48, and things are fine and dandy. I recently noticed that when I convert to 44.1 (for cds, mp3s, etc) it sounds way different. I'm posting this in the newbie forum cause I'm sure this is a noob mistake. I'll attach an example.

Two mp3s, first is 48kHz, the other is converted to 44.1kHz

Thanks for your help.
Attached Files
File Type: mp3 Heaven.mp3 (6.14 MB, 28 views)
File Type: mp3 Heaven441.mp3 (6.14 MB, 26 views)
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Old 10th May 2012   #2
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Both sample rate conversion and MP3 conversion are lossy/damaging processes... are you recording at 48K/24BIT then converting to MP3 or are you going 48K/24BIT to 44/16 to MP3? What bit rate are you making your MP3s at?
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Old 10th May 2012   #3
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Unless you are doing video (where the final file is 16bit/48k) there is NO reason for you to record at 48k. As you have noted, conversions can give you problems and the meager 15% extra bit depth is worthless.

Set you system at 24bit/44.1k and forgetaboutit. There are more important things to worry about.
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Old 10th May 2012   #4
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I've been recording at 48/24 and when I export the finished song I do it at 44.1/16. so that it can be burned directly to a CD. I have never noticed any difference. Are you dithering? This sounds like bad export/ converting software to me. Which DAW do you use? I will agree that recording at 44.1 is more than fine for a home studio.
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Old 10th May 2012   #5
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Thanks for the replies. I use reaper most of the time, so it may just be poor conversion software. I'll try converting in Cubase (AI6) and see if that fixes the problem.
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