In a message dated 7/4/03 11:02:03 PM Pacific Daylight Time,
writes:
> Subj: Re: [Nature Recordists] Re: Limiters
> Date: 7/4/03 11:02:03 PM Pacific Daylight Time
> From: (Walter Knapp)
> Reply-to:
> To:
>
>
>
>
> wrote:
> > In a message dated 6/30/2003 10:47:48 AM Pacific Standard Time,
> > writes:
> >
> >
> >
> >>But, it's probably time to revisit the subject as there
> >>has been so much new equipment brought out since then. My feeling is
> >>some of the newer limiters are not that bad.
> >>
> >
> >
> > But don't all limiters raise and lower the "volume" as you are recordin=
g
> so
> > that constant background noise will be going up and down as the "volume=
"
> is
> > increased or decreased. I used limiters a lot several years ago and reg=
ret
> it!
> > The recordings are not good as the volume is constantly going up and do=
wn
> as the
> > bird sings...this being noticeable with the constant background noise
> > sounding like a wave!
>
> That's a different thing from a limiter. A limiter will keep the sound
> from exceeding the clipping level, usually by making a "soft landing"
> for the loud peaks. But, does not reset the overall gain.
>
> What your are talking about is automatic volume control, or automatic
> level control. This attempts, by adjusting the overall gain, to hold the=
> volume constant. By the very nature of the beast, even if working right,=
> it produces just the kind of up and down that you talk about. And should=
> be avoided completely.
>
> Walt
>
>
>
Dear Walt,
Thanks for the thorough explanation. You are correct, what I was talking
about was Automatic Gain Control which is EVIL in nature recording..at leas=
t it
was for me. So the limiter in the Portadisc will just decrease the sounds t=
hat
are nearing "clipping" and won't be constantly lowering and raising the
constant background sounds like rivers and insects?
My best and thanks for sharing your knowledge.
John
John V. Moore Nature Recordings
John V. Moore Nature Recordings
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