Posted by mv on 03/31/06 18:09

>>>
>> Oleg dear chap, you're being pedantic to a fault. Of course the PD's
>>have, for all practical purposes, automatic audio level response with
>>options for 0db limiter/cut off.
>> Nevertheless the issue is one of using an external mixer, such as an
>>SQN, as a means of over riding, to a significant degree, the cameras
>>auto level response using the cameras proportional responsiveness to
>>such an input.
>
>There is a significant difference. ALC is exactly what it says:
>Automatic Level Control. IOW, it raises the gain for quiet inputs, and
>lowers it for louder signals...leaving everything squashed within a
>narrow dynamic range. A hard limiter does nothing at all to the signal
>until it reaches a preset level, then chokes it off (in a usually
>unfriendly fashion).
>
>However, given that the it does nothing until then, it's only a matter
>of keeping the input below that threshold to get decent recorded
>dynamics. That can be done with a mixer or even a simple level control
>between the mic and camera. Some experimentation is in order to stay
>below the threshold, but overall, it's good news for the OP.
>
>A 'sort of' ALC can be achieved with a limiter by raising the gain of
>the mic to the point that almost any audible sound will hit the limiter
>threshold; but it's not true ALC, which is variable.
>
>jak


Good grief! Reminds of that old adage, 'two peoples divided by a common
language'. I've not said that a 0db limiter is the same as Auto Level
Control. Read my post again carefully.
--
John Lubran

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