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Re: Re: Digital Distortion / Meters

Subject: Re: Re: Digital Distortion / Meters
From: Klas Strandberg <>
Date: Mon, 23 Jun 2003 21:52:25 +0200
Analog meters also read after the micamp. If the signal is too strong at the
input, the meters are helpless. 


At 18:28 2003-06-23 -0000, you wrote:
>VU meters (analog needles) are average readings, but LED's on digital 
>equipment are always peak readings (unless specifically stated 
>otherwise on the meter or in the manual).
>The problem with digital meters is they read AFTER the preamp and 
>AFTER the ADC. 
>So if the signal is already too hot for the mic (high SPL) or too hot 
>for the preamp, it is already distorted BEFORE the AD converting, so 
>any digital level indication does not mean the signal is undistorted. 
>It just means the energy of the signal is at a certain level. It 
>tells nothing about the possible clipping of a signal. 
>You have to monitor / listen to the signal with good headphones to 
>judge wether a recording has clipping or not. 
>Most of the times it is analog clipping in or before the preamp 
>section I am afraid.
>Regards, Evert
>To unsubscribe from this group, send an email to:
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Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01


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