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Rockbox mail archiveSubject: Re: Battery life as related to output volumeRe: Battery life as related to output volume
From: David Litchman <Davel23_at_rcn.com>
Date: Sun, 14 Mar 2004 12:14:43 -0500 At 06:06 PM 3/14/2004 +0100, you wrote: > > Obviously, playing a louder signal requires more power to be drained. Has > > anyone done any research into how it affects Archos battery life? > >Headphones need only little power to punch your eardrums, the difference is >not significant. I measured 77 mA with zero volume, 80 mA at full blast (you >would not want to have wear that), with a low-impedance headphone (sortof the >worst case). > > > I use my > > unit almost exclusively in my car, and I could turn the Archos volume way > > down and use the car's amp to turn up the volume, but I currently try to > > keep the Archos at the same volume as when I switch over to the > > radio. Prevents heart-attacks.:) > >I recommend setting the volume to 93, this is 0dB and gives an unaltered 1:1 >signal, no attenution, no amplification. Use less if you have to, but you >lose SNR (Signal to Noise Ratio). Ok, cool, thanks! _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2004-03-14 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |