Grex Music3 Conference

Item 147: MP3 recording, playback, manipulation

Entered by krj on Tue May 13 17:53:11 2003:

An item for discussing technical tips about MP3 recording and playback,
hardware and software, and maybe some MP3 manipulation as well.
This seemed different enough from the existing CD Recorders item that
I figured I'd start a new discussion.
9 responses total.

#1 of 9 by krj on Tue May 13 18:00:05 2003:

Dept. of Ooops!:   I mis-set a parameter and have recorded about 20-30
hours of MP3 files at a 48K sampling rate instead of a 44.1K sampling
rate.   The resulting files won't play back in my Rio CD player -- 
I forget my model number, it's the blue midpriced unit selling for 
about $100 -- though they play fine in my car MP3 player.
 
Assuming I was bullheaded enough to do this, how would I go about 
transforming the 48K sampled files to 44.1K sampled files?  How much 
damage would I do to the sound quality?  I am guessing I'd have to 
turn the 48K MP3 files back into WAV files and then massage them in 
the WAV format.
 
Alternatively, do people want to suggest an upgrade for the Rio CD MP3
player?  I'm moderately unhappy with the unit -- the overall playback
sound quality on conventional CDs is significantly less appealing than
recent Sony units, and the Rio has an annoying pause whenever it plays
into the next track on both MP3 and CD discs.


#2 of 9 by mcnally on Tue May 13 19:32:03 2003:

  Well, I love my iPod.

  It's probably too late to take advantage of the Target iPod clearance
  but you can at least check with the Ann Arbor store to see if they have
  any.  Last week I bought two of the old style 10GB iPods at the nearby
  Issaquah Target for $199 apiece.


#3 of 9 by tod on Tue May 13 20:39:29 2003:

This response has been erased.



#4 of 9 by krj on Tue May 13 20:55:23 2003:

I use Total Recorder; where do I look for the resampling stuff?


#5 of 9 by tod on Tue May 13 21:05:00 2003:

This response has been erased.



#6 of 9 by krj on Tue May 13 21:35:03 2003:

OK, I'll experiment on expendable copies.  Thanks!


#7 of 9 by dbratman on Wed May 14 15:38:07 2003:

Reading Ken's post about the 48K and the 44.1K gave me an overwhelming 
sense of ennui.  I so don't want to deal with this stuff.  Let me know 
when MP3s [or equivalent] get to the point where you don't have to be a 
computer geek to use them.  I don't expect that will be soon, though 
I'm sure it will happen eventually.


#8 of 9 by krj on Fri May 16 19:21:52 2003:

(Sorry, David!  But you are missing out on a lot of fun, even if it
is somewhat computer-geekish fun.)
 
I still haven't experimented with Todd's suggestion of Total Recorder.
I want to get this URL in here though so I don't lose it:
 
http://www.voxengo.com/r8brain/

The r8brain program specifically does what I need, conversion 
between sample rates.  It only works on WAV files.  It claims to be
suitable for pro-quality use, and it's free.  It has an option 
for running in batch mode if one needs to convert a number of files.

I have not downloaded it yet.


#9 of 9 by dbratman on Sun May 18 23:20:05 2003:

Ken: But you =are= a computer geek, hence your definition of fun may 
differ from mine.  I was around computers for a long time before you 
could do anything with them, yet I had no interest in them until things 
to do with them were invented.  Yet many of my friends - people like 
you, no doubt - found them fascinating.


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