Messages - Sarkand [ switch to compact view ]

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Post New Requests Here / Backup and restore sound volume profiles
« on: December 04, 2018, 03:37 PM »
I have a 5.1 sound system.  I often adjust the volumes of the various speaker channels to give me the best sound for a given application - e.g. Netflix streaming, music player, You Tube videos, etc.  It's a pain to continually readjust each channel.  I'd like a way to make a sound setting, back it up, then reapply it when I need it.  I'd like to store several different profiles from which to select.  Can anyone pull this off?


Post New Requests Here / Volume fader for 5.2 channel sound card
« on: September 19, 2016, 04:09 PM »
I have a Logitech THX 5.2 channel external sond card.  I like to fade the front and center channels while leaving the rear channels at full volume.  This makes for the best balance in my room at the spot where I sit.  On some videos, dialog is muddled or sent to the audio background in that config, and I need to bring all channels to 100% to understand.  That's the easy part, since all I have to do is crank the volume dial on the card, and all channels are maxed.  When I want to return to my preferred config, with different channels set to different levels, this involves bringing up Windows volume control, navigating to "Levels," then "Balance," where I can manipulate the sliders individually.  It's not huge, but it's annoying.  I'd like a way to store and retrieve my preferred config(s) without jumping through the hoops in Windows volume control.  Anyone interested in figuring this out?  Thanks,  Stephen EarleVolctl.PNG


Several of you have made excellent theoretical points, and I understand the theories behind them to an extent.  However, none of those points are borne out by my electric bill reduction.  The realities kinda kill the theories in such discussions.  Financially, LEDs have altered my budget.  That is fact, and no theoretical discourse will alter it.

Yep, ain't no doubt about it - LEDs will save energy, whatever the long-term costs in various applications.  That is important.  But we have let this thread go way off topic (mea maxima culpa, Mouser).  Mouser's stated primary motivation was heat reduction, however and wherever it is generated.  The cost of energy saved is gravy to him.  Unfortunately, he is now in the position of re-thinking his original assumptions, as am I.  The fact is that LEDs use less energy, that is important, and I intend to keep using them as the best alternative until something better comes along.  I am willing to pay the freight (still think it's cheaper).

Excuse me, but this only reinforces my point.  Sliding the players around is only a different way of saying the same thing, that's the beauty of mathematics and physics.  Ohms do not equal watts, they are not two sides of the same coin, i.e., manifestations of one another, they have a relationship.  I have granted the influence of wattage on ohms - greater wattage given constant ohms will increase heat output.  Yes, heat can be measured in watts of power, but that heat is generated by resistance, and that's how thermodynamics works in Newtonian physics.                                                   

I reiterate:  the heat in an electrical system is generated by resistance.  Wattage, voltage and amperage have nothing to do with it, except in how they influence resistance (push more of any of these into a medium of given resistance and more heat will be generated).  You can throw 10,000 watts at 100,000 volts across a superconducting wire or surface and generate little or no heat - resistance is reduced to near zero in such conditions.  At absolute zero, resistance of a conducting medium is zero, this is a law of physics - I haven't forgotten that much.  The heat is generated by the excitement of atoms unwilling to give up their electrons in order to propagate a current.  If the current is high enough, the wave is propagated - at the expense of the heat generated when the atoms are forced give up their electrons, as they have to be raised to a higher energy level in order to do so. In the trough of the current (wave), the atoms regain their lost electrons from the free electrons surrounding, ready to repeat the cycle at next crest.  At least that is how I understand it.

My question in fact relates to the mechanism by which the heat (resistance) is still generted at such high levels, even in conditions of lower wattage.  I still like my earlier guess of a step-down or AC/DC transformer.  These things produce heat like crazy - to get rid of the extra electrons, I expect.

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