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| Why 32-bit video card and not 24-bit ? Hi, A technical question about video board. The human eye detects 256 level of gray. Applied to RGB channels, it is able to see 256x256x256 = 16.77 millions colors, so as much as a 24-bit card (2^24 = 16.77 millions) Question : why do we sale 32-bit card is 24-bit is enough (in another field, 24-bit audio board are common, but for other reasons) It is not because the bus is 32-bit or because the processing or the OS works on 32-bit. It seems that the reaon is other... Aany idea ? Thanks Thierry |
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| Re: Why 32-bit video card and not 24-bit ? "Thierry" <: -> wrote in message news:441180a8$1@news.vo.lu... > Hi, > > A technical question about video board. > I have partly the answer looking in HDR file format which allows much better renderings and image processing than a standard 8 bits fixed dataset. Thierry > The human eye detects 256 level of gray. Applied to RGB channels, it is > able to see 256x256x256 = 16.77 millions colors, so as much as a 24-bit > card (2^24 = 16.77 millions) > > Question : why do we sale 32-bit card is 24-bit is enough (in another > field, 24-bit audio board are common, but for other reasons) > It is not because the bus is 32-bit or because the processing or the OS > works on 32-bit. > It seems that the reaon is other... > > Aany idea ? > > Thanks > Thierry > > > > > > |
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| Re: Why 32-bit video card and not 24-bit ? "Thierry" <: -> wrote in message news:441180a8$1@news.vo.lu... > Hi, > > A technical question about video board. > I have partly the answer looking in HDR file format which allows much better renderings and image processing than a standard 8 bits fixed dataset. Thierry > The human eye detects 256 level of gray. Applied to RGB channels, it is > able to see 256x256x256 = 16.77 millions colors, so as much as a 24-bit > card (2^24 = 16.77 millions) > > Question : why do we sale 32-bit card is 24-bit is enough (in another > field, 24-bit audio board are common, but for other reasons) > It is not because the bus is 32-bit or because the processing or the OS > works on 32-bit. > It seems that the reaon is other... > > Aany idea ? > > Thanks > Thierry > > > > > > |
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| Re: Why 32-bit video card and not 24-bit ? "Thierry" <: -> wrote in message news:441180a8$1@news.vo.lu... > Hi, > > A technical question about video board. > I have partly the answer looking in HDR file format which allows much better renderings and image processing than a standard 8 bits fixed dataset. Thierry > The human eye detects 256 level of gray. Applied to RGB channels, it is > able to see 256x256x256 = 16.77 millions colors, so as much as a 24-bit > card (2^24 = 16.77 millions) > > Question : why do we sale 32-bit card is 24-bit is enough (in another > field, 24-bit audio board are common, but for other reasons) > It is not because the bus is 32-bit or because the processing or the OS > works on 32-bit. > It seems that the reaon is other... > > Aany idea ? > > Thanks > Thierry > > > > > > |
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