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xxalanxx
Avid Contributor I
March 4, 2017
Question

Bit Perfect ZP90

  • March 4, 2017
  • 23 replies
  • 1289 views
I have a ZP90 bought in 2009.The main reason (initially) was it gave bit perfect sound and I found it is easily better than CD provided you rip with EAC.
I now want a second one. However, looking on here for the first time in a while it seems the Connect isn't bit perfect.
Seems strange, but it appears my old ZP90 is better than the current Connect.
My question is this:
If I buy a second hand ZP90 is it guaranteed to be bit perfect?
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    23 replies

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    JRausch
    Lyricist III
    March 15, 2017
    There is a setting in iTunes to use error correction while ripping. I wonder if this is anywhere near as good as EAC?

    I have only tested one track by recording the digital output directly from my CD player and comparing to the iTunes rip. They were identical.

    Cheers, Peter.

    I used that setting. It might have to do with me immediately ripped any purchased CDs in the past few years and some of the ones dating back to the 1980s giving iTunes problems. When it encounters an error, I don't think it makes much of an effort to make a correct read, and it has never told me about a problem so I could have a look at the disc.
    JRausch
    Lyricist III
    March 15, 2017
    ... One reason could be that my CDs were immaculately kept...



    No teenagers playing your CDs, or colleagues at work borrowing them, I guess.

    Kumar and Peter Mc,

    If you have not used EAC or dbPoweramp, you have not experienced what happens when either of them encounter an error. It takes both quite a long time to reposition the read head on the continuous spiral CD track to make another try. Nothing like a hard disc read head setting on a circular track rotating at 7,500 RPM and waiting for the sector to come around again for another try. They both retry the read many times, the drive being obviously very busy, and they let you know about it. Based on the track number, you can make a guess about where the problem is and find a speck (not really peanut butter) or damage. Most can be cleaned or polished. I use McGuires #10 and #17 Plastic Polish and cleaner. I have had some privately produced CDs from small-time groups with errors on brand new discs and I can hear a skip when the ripped track is played. Good song, grrrr, bad song, delete. With iTunes I have never had a similar notification. Therefore, I have no idea how it deals with error recovery, or if it does, just that I have Apple Lossless files that do not match after converting them to WAV.

    Why am I awake at 3:00 AM?
    Kumar
    March 15, 2017
    With iTunes I have never had a similar notification. Therefore, I have no idea how it deals with error recovery, or if it does, just that I have Apple Lossless files that do not match after converting them to WAV.

    I haven't had one too, but that does not say anything conclusive, and I don't have any idea either how error correction works in iTunes. I also haven't ever felt the need to convert/match files as Peter and you have done, with different results I notice. As long as the files sound good, I haven't the motivation.

    In my photography I always shoot RAW, but that is for the much higher ability that I obtain from RAW over JPEG in post processing; since I don't do any such thing with my music files, the audio equivalent of RAW is of no value to me. Like I said, I find just as good sound from AAC 256 kbps.
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