[opendtv] Re: Panasonic's AG-HVX200
- From: "Dale Kelly" <dalekelly@xxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 28 Apr 2005 19:22:21 -0700
I wouldn't nit pick the numbers, the concept was creative and
technically sound, IMO. I was a studio engineer for many years
and having experience in that particular area, I found your thinking
to be right on !
----- Original Message -----
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
To: "OpenDTV (E-mail)" <opendtv@xxxxxxxxxxxxx>
Sent: Thursday, April 28, 2005 2:39 PM
Subject: [opendtv] Re: Panasonic's AG-HVX200
>> At 1 KHz, where the amp gives outputs of 0 to 100
>> watts, the amp can reproduce 20 dB of "contrast."
>
> Thanks, Dale, but I didn't get the full "contrast" here.
> The number 20 dB assumes a min level of 1 watt, which of
> course is far higher than what the amp can really
> provide as its softest clean sounds.
>
> A good hifi amp is good for about 100 dB of dynamic
> range. So 100 =3D 10*log(100 / x), where x is the minimum
> power level. Below that, it would be just noise.
>
> So the min power is more like 0.01 uW, not 1 W.
>
> Bert
>
>
> ----------------------------------------------------------------------
> You can UNSUBSCRIBE from the OpenDTV list in two ways:
>
> - Using the UNSUBSCRIBE command in your user configuration settings at
> FreeLists.org
>
> - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
> unsubscribe in the subject line.
>
>
----------------------------------------------------------------------
You can UNSUBSCRIBE from the OpenDTV list in two ways:
- Using the UNSUBSCRIBE command in your user configuration settings at
FreeLists.org
- By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
unsubscribe in the subject line.
Other related posts:
