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Thread: Non-linear windows volume?

  1. #1
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    Non-linear windows volume?

    Maybe I am mistaken, but dont most h/u volume controls work in a logarithmic fashion. So when it is much louder, each rotation of the wheel makes a larger absolute difference than when the volume is low, and each turn make less difference.

    Windows doesn't work like that, does it?

    Well, I know I'm not the only one to do without a h/u. I use a Griffin PowerMate for my volume, but if the volume is loud enough that 100% is loud enough for me with the windows down, I have to drop the volume to 1 or 2% when someone else gets in the car with me.

    I couldn't decide between posting this here or in Software & Software development, because I would imagine that a good frontend could handle it. Perhaps this is something Senor Frodo could incorporate?
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  2. #2
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    I had tried searching, finding nothing. I searched and searched and drew blanks. Then I finally make the post, and the "Similar Threads" thing at the bottom gave me this... Volume % is linear, not tapered

    I think there should be a way to see the "Similar Threads" to a thread you are about to start BEFORE you post it. It seems almost like an advanced search feature.
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  3. #3
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    I think it depends on the sound card and the drivers it uses. For example, me using my m-audio sound card, the volume control wasnt logarithmic. Since then i have switched to a creative card, and the volume control was logarithmic. Its easy to tell if your card/drivers does this, just click once on the volume icon in the system tray and watch it while you press volume up or down on a remote or something. if the slider moves slow at low levels and increases speed as you reach the top, it is logarithmic. if its a steady pace from bottom to top, it isnt. that easy!

  4. #4
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    Logarithmic / linear volume control is implemented at the device driver level. You're supposed to be able to query the mmsystem and find out if the volume is log / linear, but device drivers are sometimes dodgy and they report linear back when they're actually logarithmic. It's very annoying (****ed me off a few times in the past).

    Some drivers are nice and let the user select linear / logarithmic, but some don't.

    Afaik, DirectSound lets the software specify whether volume levels are logarithmic / linear, so software authors have some control over this...

  5. #5
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    I would think that for the most part it would have to be logarithmic but with a different coefficient. Your ear is a logarithmic device, so if the volume control was purely linear then you would take some time just to increase volume by a factor of 2 and twice as much time to increase it by another factor of 2 and so on.
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  6. #6
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    That program I posted above really is great. I installed it in the car and now everything's dandy. I can still have a conversation with the volume at anything below 15%, and anything above 60% is nice and loud even with the windows down on the highway. That's exactly what I wanted. Before installing that program, I was endlessly adjusting the master volume, wave volume, and gain on my amp, and still never satisfied.
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