Is the GTX 670/680 supports sound Dolby TrueHD/Dolby Digital Plus /DTS-HD ????

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Is the GTX 670/680/660 supports sound Dolby TrueHD/Dolby Digital Plus /DTS-HD ?

http://www.gigabyte.com/products/list.aspx?s=43&p=52,53@53@53,62&v=1,8@1@2,18

AMD registers as YES NVIDIA registered nothing

http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-680/specifications

http://www.amd.com/uk/products/desktop/graphics/7000/7950/Pages/radeon-7950.aspx#3