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Thread: Pre-Emphasis Newbie... What do I need to do?

  1. #16
    dBpoweramp Guru
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    Dec 2008
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    Re: Pre-Emphasis Newbie... What do I need to do?

    Quote Originally Posted by Max Dread View Post
    With the PE tag box ticked in CDRipper Options >> Meta Data & ID Tag >> Write ID Tags, when ripping a CD WITHOUT PE, should there be no tag written whatsoever for PE? Or should there be a PE tag, but with a value of No or zero?
    If a CD does not have pre-emphasis, no tag is written.

    Quote Originally Posted by Max Dread View Post
    In my above scenarios, does it make sense that de-emphasis is being applied twice (see post 9, point 3)?
    It does not make sense that deemphasis is being applied twice, if you only have 1 deemphasis component installed. What you describe, implies a problem in your foobar2000 setup.

  2. #17
    dBpoweramp Enthusiast
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    Dec 2013
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    Re: Pre-Emphasis Newbie... What do I need to do?

    A quick update...

    It turned out that the foo_dsp_effect package I had installed (an older version) included a de-emphasiser as well, and it seems that was the cause of the issue. I uninstalled it and all is well. I remain confused that even when the old foo_dsp_effect package was installed, I had not activated the de-emphasis dsp... I can only presume it acts on files with a PE tag even when not activated.

    I have since installed the up to date foo_dsp_effect package and it would seem the de-emphasis dsp is no longer included in it.

    It has left with with some other questions and ponderings which I have raised over in the HA forum:

    https://hydrogenaud.io/index.php/topic,114610.0.html

    If you (or anyone) have anything to say about those, then please chip in!

    Either way, thanks for all the help you've given me

  3. #18
    dBpoweramp Guru
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    Re: Pre-Emphasis Newbie... What do I need to do?

    Glad you got it sorted re. the foo_dsp_effect. I thought it was something like this, hence my earlier point about applying other non-deemphasis EQ/DSP.

    Regarding foo_dsp_deemph (from the foobar2000 site):
    To CD de-emphasize a track automatically, add a tag named PRE_EMPHASIS or PRE-EMPHASIS with a value of "1", or "on" or "yes". Other tracks are unaffected.

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