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Lossy or Lossless? Please use this forum to post spectral and frequency analysis posts about shows you have your doubts about.

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  #1  
Old 2010-02-07, 06:41 PM
harmon712 harmon712 is offline
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Question mp3 to wav??

What can I use to check for mp3 files that have been changed to wav on a mac?

I used to use Traders Little Helper on PC for this.
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  #2  
Old 2010-02-07, 06:44 PM
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Re: mp3 to wav??

will xACT do it?...I would think so.
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  #3  
Old 2010-02-07, 06:46 PM
lintoni
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Re: mp3 to wav??

TLH uses aucdtect, which is by no means a reliable tool. Use Audacity and look at spectral/frequency analyses. There are plenty of examples in this forum to compare results with - and people are willing to look and give their opinion on posted screenshots.
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Old 2010-02-07, 07:05 PM
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Re: mp3 to wav??

darn it...sorry, I meant audacity...duh
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Old 2010-02-08, 10:10 AM
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Re: mp3 to wav??

to expound a bit, use Audacity like they said [i prefer v1.2.6a...1.3beta was a bit buggy imo]

for a Frequency Analysis [FA]:
select all portion of the track [preferably from the middle of the song with all instruments playing]
click Analyze > Plot Spectrum -- the FA window will pop up
i use the following settings -- Spectrum / Hanning window / 4096 / Linear frequency


for Spectral Analysis [SA]:
first set yer SA preferences...Audacity > Preferences > Spectograms tab > select Maximum Frequency of at least 20,000 Hz [i use 24,000 typically] and an FFT size of 1024

its good to analyze SA two ways -- using a 2 sec section of music, and a larger of sample [~20 secs]
zoom in to yer section, click the drop down displaying the track's name [to the left of the waveform, above the sample rate and bit depth] > Spectrum
te waveform will switch to SA view
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Old 2010-02-09, 01:03 AM
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Re: mp3 to wav??

Switch also works well and one can choose from several encoder quality options
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  #7  
Old 2010-02-09, 02:04 AM
lintoni
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Re: mp3 to wav??

Quote:
Originally Posted by weavil View Post
Switch also works well and one can choose from several encoder quality options
Your reading and comprehension skills need some work.
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  #8  
Old 2010-02-12, 12:44 AM
harmon712 harmon712 is offline
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Re: mp3 to wav??

Quote:
Originally Posted by lintoni View Post
Quote:
Originally Posted by weavil View Post
Switch also works well and one can choose from several encoder quality options
Your reading and comprehension skills need some work.


I'm also looking for something like EAC, but I don't think there is anything like that for mac.
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  #9  
Old 2010-02-12, 12:58 AM
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Re: mp3 to wav??

Quote:
Originally Posted by lintoni View Post
Quote:
Originally Posted by weavil View Post
Switch also works well and one can choose from several encoder quality options
Your reading and comprehension skills need some work.
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  #10  
Old 2010-02-12, 07:13 PM
lintoni
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Re: mp3 to wav??

Quote:
Originally Posted by harmon712 View Post


I'm also looking for something like EAC, but I don't think there is anything like that for mac.
You'll probably want something based on cdparanoia.

For mac -eg http://cdparanoia.darwinports.com/

Last edited by lintoni; 2010-02-12 at 07:19 PM.
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  #11  
Old 2010-02-12, 07:24 PM
lintoni
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Re: mp3 to wav??

^^^
If you do a bit of googling, you should be able to find a GUI for cdparanoia.
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  #12  
Old 2010-02-12, 07:29 PM
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Re: mp3 to wav??

for mac: XLD
http://wiki.hydrogenaudio.org/index.php?title=XLD
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