Re: How Does CD Player Anti Skip Work?

Discussion in 'Electronic Equipment' started by John Tserkezis, May 17, 2008.

  1. David Tweed wrote:

    > Yes, that wording is a bit confusing. What's really happening is that
    > the audio to the DAC is *always* coming from the RAM, which is being
    > used as a FIFO buffer.


    May be worth adding, that although a buffer however small, is always being
    used, that for the CD players that have the "anti-shock" feature, have a
    LARGER buffer than those without.

    In addition, they *might* spend a little more on the physical shock
    resistance of the tray and such, but not a lot. Since adding ram is by far
    easier, smaller and cheaper than the engineering that has to go into a tray to
    stop jogging skips, the extra ram wins every time.

    So to the OP, it's not really a "feature" in the true sense, it's just more
    of what the circuitry already has.
    --
    Linux Registered User # 302622
    <http://counter.li.org>
     
    John Tserkezis, May 17, 2008
    #1
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  2. John Tserkezis

    Engineer Guest

    On May 16, 7:33 pm, John Tserkezis
    <> wrote:
    > David Tweed wrote:
    > > Yes, that wording is a bit confusing. What's really happening is that
    > > the audio to the DAC is *always* coming from the RAM, which is being
    > > used as a FIFO buffer.

    >
    >   May be worth adding, that although a buffer however small, is always being
    > used, that for the CD players that have the "anti-shock" feature, have a
    > LARGER buffer than those without.
    >
    >   In addition, they *might* spend a little more on the physical shock
    > resistance of the tray and such, but not a lot.  Since adding ram is byfar
    > easier, smaller and cheaper than the engineering that has to go into a tray to
    > stop jogging skips, the extra ram wins every time.
    >
    >   So to the OP, it's not really a "feature" in the true sense, it's just more
    > of what the circuitry already has.
    > --
    > Linux Registered User # 302622
    > <http://counter.li.org>


    I hope someone now edits the Wikipedia entry!
    Cheers,
    Roger
     
    Engineer, Jun 29, 2008
    #2
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