Converion from one compressed sound format to another degrades quality?

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apakhira

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Hi
If i converted a 192 Kbps WMA file to a 192 Kbps Mp3 file , will the Mp3's quality be worse than if i were to directly rip from the CD to the Mp3?
 
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Let me see if I understand this correctly. You have a song on your HD. You have the same song on the CD. You are asking which one would sound better when converted to MP3?

If that's what your asking then it will depend on where you copied the HD version from. As a general rule with audio, you always want to be as close to the source as possible. In this case that would be the CD.
 
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The simple answer is that yes it will sound worse than directly ripping it from the CD.

This is because wma & mp3 are 'lossy' compression schemes and compressing the original will result in less 'loss' than compressing something that's already been compressed with 'lossy' compression. :p
 

JohnWill

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Oct 19, 2002
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If you're really worried about the sound quality of the MP3, I'd be careful which MP3 encoding utility I used, and I'd encode at 256k or 320k. Sure, they take more space, and that space is called "quality". :D

AN excellent quality free encoder is LAME, though it's a command line utility. Razor LAME solves that problem and gives it a nice front end. Also, many CD ripping programs link to LAME for the MP3 encoding step, since it's very good and free.
 

apakhira

Thread Starter
Joined
Nov 29, 2002
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223
Yes
I have dBPowerAMP which uses LAME for encoding.But actually the reason why first i am encoding in WMA and then to Mp3 is that all the mp3 encoding apps have FreeDB support, which does not have some of my rare CDs in its database.Windows Media Player (ver. 9)can detect my CDs, but as it can't encode to Mp3,i have to first encode in WMA and then to Mp3.So i ask, will converting to Wma and then to Mp3 degrade the quality further than if i encoded the CD directly to Mp3?
 

JohnWill

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I think we answered that question, yes the extra conversion step degrades quality! I'd look for an application that uses CDDB or just manually enter the tracks that aren't on FDDB.
 
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