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beware of bad MP3 compression
 

offline Junktion from Northern Jutland (Denmark) on 2002-08-02 20:32 [#00334752]
Points: 9713 Status: Lurker



I've notised many mp3's off the net with bad compression,
and all with same effect. A small noise that lingers in the
background. It's like it's affected by the sound, so it's
not static. It must be because of the convertion between
cd's/wav and mp3. Have anyone notised the same effect?


 

offline Junktion from Northern Jutland (Denmark) on 2002-08-02 20:32 [#00334753]
Points: 9713 Status: Lurker



it appears on the Nu-sounds compilation and some
mp3-versions of Chris Clark - Clarence Park


 

offline Ophecks from Nova Scotia (Canada) on 2002-08-02 20:48 [#00334766]
Points: 19190 Status: Moderator | Show recordbag



I noticed that...

But my Chris Clark album sounds FLAWLESS, chrystal clear.

Freescha, Slower than Church Music, on the other hand... my
MP3s of that are fuzzy and weird. I have to look for some
others.

Sometimes I have a bad sounding MP3, then I'll download a
couple more copies of it and see which one sounds the best.


 

offline Junktion from Northern Jutland (Denmark) on 2002-08-02 20:49 [#00334768]
Points: 9713 Status: Lurker | Followup to Ophecks: #00334766



i've talked to Manic Miner about making a new version of the
Nu-Sounds, because of the same problem. In some way
something went wrong in the compression/convertion.


 

offline Inverted Whale from United States Minor Outlying Islands on 2002-08-02 20:54 [#00334772]
Points: 3301 Status: Lurker



I notice all kinds of crazy artifacts on 128kbps encodes.
The worst offender is second bad vilbel by autechre. It's
like a totally different song. :-)

Use a good quality encoder like LAME.

options:
CBR: use at least --alt-preset cbr 192
VBR: use at least --alt-preset standard

If you have to encode at 128kbps (for mp3.com or whatever),
MusicMatch 6.1+ (with Fraunhofer's codec) is ok at the
"normal" setting. LAME --alt-preset cbr 128 also works well.


 

offline xceque on 2002-08-02 22:07 [#00334861]
Points: 5888 Status: Moderator | Show recordbag



Any recording with sustained trebble sounds, like cymbals
etc will suffer this problem if it's encoded at 160k or
less. Second Bad Vilbel has lots of background 'sighing'
sounds, especially after those chunky booms at the start,
that's why it sounds shit as an mp3

I don't like 'em less than 192. 256 if I can get 'em, and
even then I can hear it if it's a bad compression.

Try listening to the .nu compilation on a hi-fi system with
surround sound. Listen to the surround speakers and you'll
hear it.

Poor.

Though it's nice work by manicminer, and everyone else
involved :D



 

offline Junktion from Northern Jutland (Denmark) on 2002-08-02 22:22 [#00334866]
Points: 9713 Status: Lurker | Followup to xceque: #00334861



I really hope that Manic makes a fully featured remix

 

offline princo from Shitty City (Geelong) (Australia) on 2002-08-03 01:54 [#00335064]
Points: 13411 Status: Lurker



I use LAME for my MP3s....
i've been impressed with that.

 

offline outside_ninja from ninjaland (I touch no-one and on 2002-08-03 03:18 [#00335093]
Points: 462 Status: Addict



I will get at least 192k if I can help it: 128k sounds so
tinny and cheap - like a tranny radio.


 

offline titsworth from Washington, DC (United States) on 2002-08-05 03:39 [#00336970]
Points: 14550 Status: Lurker



all the more reason to buy albums instead of burning them or
listening to mp3's


 

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