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Conference cookie::notes$archive:cd_v1

Title:Welcome to the CD Notes Conference
Notice:Welcome to COOKIE
Moderator:COOKIE::ROLLOW
Created:Mon Feb 17 1986
Last Modified:Fri Mar 03 1989
Last Successful Update:Fri Jun 06 1997
Number of topics:1517
Total number of notes:13349

1112.0. "Noise on Sony with Classical" by CSMSRE::WRIGHT (Dain Bramage) Fri Mar 04 1988 13:51

    This is going to start as a vaque note and hopefully get better
    :-)
    
    I currently own a sony cdp-302II that I have been very happy with
    for 1.5 years (i think, it might be 2.5 :-), anyway, after upgrading
    my speakers to B&W dm220's (very nice) and getting them set up right
    I started to get noise on my classical cds, not on the jazz or rock
    ones, just the classicals.  They are Duetche Grammaphone, Telarc
    and other "Good/excellent" Labels.
    
    The noise it self is intermentent and sounds like pops and/or a
    snare drum vibrating (a burr kinda sound).  I have yet to actually
    sit down and document where the noise is on each disc and to see
    if it stays at that spot or travels around.  I also have not had
    the oppurtunity to try the discs on another player.
    
    Has anyone out there had any problems with noise on classical
    recordings or with the sony units popping during the d/a stages
    etc...
    
    I hope that is the player and not the medium...
    
    Thanks,
    
    Clark.
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1112.1psCSMSRE::WRIGHTDain BramageFri Mar 04 1988 13:535
    
    Forgot to mention that the noise only happens in one channel and
    that I can hear it in the headphones pluged into the cd jack...
    
    
1112.2Maybe this is itBINKLY::STROUBLEFri Mar 04 1988 15:4622
    
    When I  first  started listening to classical CD's I also thought
    there was something  wrong  with  my player.  I would hear little
    noises that just shouldn't  be  on  well  reviewed,  top  quality
    disks.  The noises sounded  to  me  like  crinkling cellophane or
    maybe the shutter of a 35mm  camera.  I actually returned a disk,
    (Watermusic, Pinnock) because of the noises, but they  were there
    in the same place in the replacement disk.
    
    Eventually I figured it out.  The noises were on  so  many  disks
    that it  became  obvious.  Classical music instruments are noisy.
    Valves  clack, bows  slap.    The  musicians  aren't  always  the
    quietest bunch either. 
    
    I felt better about the noises  once  I found out what they were.
    The better the recording, the more likely you are  to hear noise.
    On  the  other  hand,  more  care is taken to minimize extraneous
    noise  on  the better recordings, so all in all, they are usually
    quieter.
    
    
1112.3Throat clearing?FACT01::LAWRENCEJim/Hartford A.C.T.,DTN 383-4523Fri Mar 04 1988 19:5511
    
    Yes, I agree with .2 about the noise.  You must be hearing audience
    noise, coughs and the like.  And musician noise.  Rock recordings
    made in studios don't have the ambience recorded between tracks
    like they do on many classical disks when the recorders are left
    running.  However, it worries me that you only hear it on 1 channel.
     That smells of equipment failure.  You should hear ambient noise
    from both speakers on the classical disks.
    
    Jim
    
1112.4Distortion??????NCVAX1::SUZDAMon Mar 07 1988 08:3910
    I also have been hearing what I think is distortion.  I have a Pioneer
    9010 unit and while listening to various recordings, I get what
    I think is distortion on one channel.  At first I thought it was
    a dirty channel on the amp (15 years old), or the speakers (10 years
    old), but I plugged in headphones directly to the CD unit and the
    noise is still there.  It seems to disappear when I crank up the
    volume but that may be because I can only hear the pictures on the
    walls rattling.  Well, I'll just have to wait here for an answer.
    
    
1112.5Chirp, chirpAQUA::ROSTTush, tush, you lose your pushMon Mar 07 1988 09:228
    
    
    If the noise sounds like chirping, it may be some sort of digital error.
    
    Before I had my player fixed, in addition to gross "skipping" it
    would also occasionally "chirp" on certain discs.

    
1112.6Solved (to my satisfaction...)CSMSRE::WRIGHTUnderneath the RadarThu Mar 10 1988 10:3020
    
    fiqured it out (actually it was explained to me...) -
    
    The various noises have been attributed (in order) to -
    
    1. Bad Engineer
    
    2. Noisy Musicians
    
    3. Full Symphony Recordings of very dynamic music occasionaly have
    more data then bits available.  (no flames, it makes sense to me
    in a weird software sort of way :-)
    
    The system that proved that it was the recording was Maggie deck,
    the Musical Concpets (??) Passive preamps, 2 mono-blocked haffler
    dh220's with the MC gx mods, and B&W matrix 1's...Sweet System!!
    
    thanks for the help,
    
    Clark.
1112.7Noisy CDCSC32::MA_BAKERWed Jul 20 1988 16:584
    Yes, I have a Vivaldi "Four Seasons" and I think someone is actually
    walking around the room on it. I have Sony D5, and this is the only
    recording that I have ever noticed noise like that!