Re: [ARSCLIST] Dolby B

[Don Cox <doncox@xxxxxxxxxxxxxx>]

On 24/10/07, Mike Richter wrote:

> Ganesh.Irelan@xxxxxxxx wrote:
>> Is there a sure way to tell if a tape is Dolby B encoded? What do
>> you do if you are not sure?
> 
> I fear your question is the proverbial tip of the iceberg.
> 
> I know of no way to determine whether it has been nominally encoded; 
> even worse, I know of no way to tell whether it was encoded on an 
> ill-calibrated machine.
> 
> As an amateur with no responsibility beyond fidelity, I play it by
> ear, using the better of Dolby on and off, then equalizing with best
> judgement.

There is a real need for a software Dolby decoder with adjustments,
because it isn't a simple matter of equalisation.

Regards
-- 
Don Cox
doncox@xxxxxxxxxxxxxx