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Thread: CD Ripper shows Accurate but Perfect Tunes says inaccurate

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  1. #1

    Join Date
    Feb 2009
    Location
    Germany
    Posts
    35

    CD Ripper shows Accurate but Perfect Tunes says inaccurate

    Hi there,

    got a severe prob ripping my cd collection with dBp.
    After a loss of nearly all my ripped music CDs (about 20.000 files) due to a hard disk crash I'm working on re-ripping them with dBpoweramp v.16.5 for Mac to apple lossless (m4a). My computer is an iMac mid 2015, the CD-drive is a Plextor PX-230A. The used Storage is a USB 3.0 RAID5-bunch of disks in an ICY Box case.

    I re-ripped nearly 600 songs, the cd-ripper said always accurate, when I heard today a suspect ugly noise peak in the mid of a song. After checking the new rips with Perfect Tunes it says that the most songs from 15 albums are inaccurate. How could that happen? dBp ripper says accurate and Perfect tunes says not.

    What can be the mistake?
    What can I do?

    Thanks in advance.
    Derek

  2. #2

    Join Date
    Feb 2009
    Location
    Germany
    Posts
    35

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    Actually, there are some more problems, as I mentioned some weeks ago, look here:

    First one: cut text at the right hand side. Making the windows wider doesn't take effect, makes just bigger distance between left side and right side info.

    Second: Not checkable music files. There might be much more inaccurate or defect songs


    Can't read info text at the right hand side as well.

    And only two albums accurately ripped (from 45!):



    Thanks for reading
    Derek

  3. #3

    Join Date
    Feb 2009
    Location
    Germany
    Posts
    35

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    There are some other probs, see screenshots, maybe somebody can explain or help (count from left to right):

    First and all: 15 inaccurate albums See the right hand side cut text in Perfect Tunes.
    Second: 27 albums (from 45) couldn't get checked. Reason is cut.
    Third: only two accurately ripped albums - although dBp says accurate (see fourth image)
    Fourth: Typical window after ripping (45 times!)
    Strange, isn't it?

    Screenshot 2019-03-24 20.26.09.jpg Screenshot 2019-03-24 20.35.50.jpg Screenshot 2019-03-24 20.42.51.jpg Screenshot 2019-03-24 20.59.08.jpg

    According to this I will stop ripping until I find a work around or until I can solve the problem, ideally with your help.

    Thanks for reading this

    Derek
    Last edited by siriussurfer; 03-24-2019 at 02:08 PM.

  4. #4
    Administrator
    Join Date
    Apr 2002
    Posts
    38,398

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    All your DSP effects you have when ripping change the audio data, if you trim the silence from the end, it cannot match AccurateRip as part of the track is gone.

    Also volume normalize changes all data, including Replaygain (apply).

  5. #5
    dBpoweramp Enthusiast
    Join Date
    Apr 2009
    Posts
    188

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    Yeah... to echo what Spoon said, all of your DSPs change the audio data. That would definitely cause problems with PerfectTunes.

  6. #6

    Join Date
    Feb 2009
    Location
    Germany
    Posts
    35

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    Thanks for the hint.
    So the ugly noise peak I hear might be also caused by the DSPs?
    Is that right?
    If so, which of them might cause that noise peak?

  7. #7
    Administrator
    Join Date
    Apr 2002
    Posts
    38,398

    Re: CD Ripper shows Accurate but Perfect Tunes says inaccurate

    You should only have 1 DSP effect: Replaygain

    (not the apply one)

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