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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 2005-10-24, 03:27 AM
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opinions...

SHOW 1 >>

dj shadow 1999-10-30
info text says: SBD > ? > CDR > flac





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  #2  
Old 2005-10-24, 03:33 AM
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Re: opinions...

SHOW 2>>>

quannum collective "live on british radio" [no other info]



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  #3  
Old 2005-10-24, 03:39 AM
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Re: opinions...

SHOW 3>>

squarepusher 2003-08-06
sounds like an audience recording...no info came with the show




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  #4  
Old 2005-10-24, 03:41 AM
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Re: opinions...

pics came out kinda small...or maybe its just my display settings...let me know if ya need larger pics...

these are a few that i'm trying to determine more about...its all DJ recordings, so the wav forms are going to be different than a traditional band...any opinons on possible source or any lossiness...cheers!
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  #5  
Old 2005-10-24, 05:34 AM
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Re: opinions...

Show 1 looks iffy (a lorra holes), show 2 looks like kosher FM though maybe a little clean between the 15 KHz ceiling and the pilot tone, show 3 also looks iffy. Could you possibly send some snippets ?
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  #6  
Old 2005-10-24, 05:44 AM
mort
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Re: opinions...

looks to me like whatever you are using to do the spectrum analysis is wortless
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  #7  
Old 2005-10-24, 07:34 AM
tilomagnet tilomagnet is offline
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Re: opinions...

IMO show 1 and 2 look like mp3 sourced, show 3 doesn't look like mp3, but maybe MD sourced.
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  #8  
Old 2005-10-24, 11:22 AM
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Re: opinions...

yeah ffooky, i'll try to use yousendit and u/l a 10 sec clip or so of each

mort...do you actually know anything or do you just troll and talk shit...bye
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  #9  
Old 2005-10-24, 01:36 PM
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Re: opinions...

here's some 10sec clips for anyone wantin to give a listen/look:

show1 djshadow1999-10-30> http://s41.yousendit.com/d.aspx?id=0...52Q98ZKEL9Y5I4
show2 quannumcollective BBCRadio1> http://s41.yousendit.com/d.aspx?id=3...O2Q0OV76ZVH1Q9
show3 squarepusher2003-08-06> http://s41.yousendit.com/d.aspx?id=0...922H9O84TTTDG5
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  #10  
Old 2005-10-24, 02:05 PM
thornhill
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Re: opinions...

that dj shadow show has a step of lossy in it somewhere... not mp3 but perhaps minidisc. same goes for the quannum collective show but that one could possibly be mp3. it was torrented on dime a while back. the squarepusher is minidisc. I managed to track down the original (or atleast so im told) info file:

Squarepusher a/k/a Tom Jenkinson

Bowery Ballroom, NYC
August 6, 2003

Audience recording
Sony MD > ?don't remember what I used to get it on disc > .wav > dbPoweramp > .flac

I think this is an excellent recording - the show is very clear with a minimum of crowd noise. I was in the upper balcony on the left side. A lingering security guard caused me to have to hide my mic for a portion of the recording, but that results in only a slight muffling. The show was loud enough so that I could use a nice low recording level and the result is a VERY clean and listenable recording. I have edited this a bit, so it's much shorter than the actual show. If this goes well, I'll try to seed an entire show from last May. These '03 shows formed a lot of the material that ended up on 'Ultravisitor'.

Selist is a bit difficult because there's so much improv. 'Ultravisitor' is on there and the last track is 'Come on My Selector' (with a little Stanley Clark thrown in). Any help with the other tracks would be apreciated.

Enjoy!

-Mpomy

DO NOT ENCODE TO MP3 OR ANY OTHER LOSSY FORMAT

NEVER SELL - ALWAYS SHARE
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  #11  
Old 2005-10-26, 10:40 AM
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Re: opinions...

werd thanks thorn and ffooky...much appreciated!
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  #12  
Old 2005-10-28, 02:07 PM
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Re: opinions...

all are lossy for sure... all look like they could be MD imo
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  #13  
Old 2005-10-28, 07:54 PM
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Re: opinions...

I'd like to call mp3 on the DJ Shadown and Quannum Collective shows. The spectrum exhibits typical mp3 block durations rather than the 12ms long blocks that are so typical of MD, and both have a rather messed-up side channel, which is also typical of some mp3 encoders. (Disclaimer: I am not aware to which extent lower quality MD encoding introduces such issues, if even)

The Squarepusher show is MD indeed.
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  #14  
Old 2005-10-28, 08:41 PM
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Re: opinions...

Quote:
Originally Posted by ssamadhi97
I'd like to call mp3 on the DJ Shadown and Quannum Collective shows. The spectrum exhibits typical mp3 block durations rather than the 12ms long blocks that are so typical of MD, and both have a rather messed-up side channel, which is also typical of some mp3 encoders.
what do you mean by a side channel? I agree that the quannum collective is probably mp3. the dj shadow has quite a bit of noise above 16k though. you cant really see it in aaron's pics but if you open up the 10 sec wav that was hosted in a spectral analyzer of your choice you should be able to see what im talking about. however, I see what you mean about the block size being a bit short.... I dont know. somewhere there was a broad spectrum of noise introduced so maybe this is mp3>cassette.
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  #15  
Old 2005-10-29, 12:01 PM
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Re: opinions...

werd ssamadhi, a bit more re: side channel? [i'm still learning]

i mentioned this to ffooky in PM, but alot of DJ related stuff i've found has been webcast captures [of varying quality]...don't know if this is a possibility on the Shadow or Quannum shows, but figured i'd throw it out there.

again thanks for the time and opinions everyone...
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