But that begs the question - why include a block diagram of the signal
flow if it doesn't accurately reflect the design of the recorder?
Cheers
Paul
On 12/04/2010, at 1:44 AM, "Raimund" <> wrote:
> Scott Fraser wrote:
>
>> <<The HDP2 has analog low cut and limiters whereas the DR680 has
>> digital low cut and limiter.>>
>>
>> Since a limiter is intended to prevent overloads of the ADC & a
>> digital implementation of a limiter must perforce be post conversion,
>> what good can this possibly serve?
>
> Yep, the same would also apply for the low-cut filter, which should
> help to reject loud low-frequency rumble that would otherwise cause
> heavy clipping if the filter was located behind the ADC.
>
> The low-cut and limiter settings of the DR-680 are selected from the
> menu. This is different from the HD-P2 that has physical switches
> for these items.
>
> I therefore believe that both the limiter and low-cut filter are
> still analog circuits, but digitally controlled by the
> microcontroller of the DR-680
>
> Raimund
>
>
>
> ------------------------------------
>
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> sound is worth a thousand pictures." R. Murray Schafer via Bernie
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