Multichannel PCM (including the one decoded from HD audio codecs/DD/DTS): If your card does not come with the adapter, you have to buy it, for example, from here. The adapter is sometimes bundled with the card. Otherwise you won't get audio through HDMI. First you have to use the ATI proprietary DVI-HDMI adapter (unless your card has a native HDMI connector). GeForce 8800 GT (= 9800 GT) Radeon HD 4850 Radeon HD 4870 = GeForce GTX 260 TG Daily - ATI Radeon 4800 launch details: Meet (Terry) Makedon and Trojan (Horse) (May 14, 2008) Supports Multichannel LPCM HDMI Audio, Up To 7.1 channel/32 bit/192 kHzĪccording to a couple of sources, the upcoming ATI Radeon HD 4800 Series graphics cards will support multichannel LPCM HDMI audio (actually up to 7.1 channel/32 bit/192 kHz ). MKV and FLAC – A Solution for Full-Resolution Audio without PAP.ASUS Xonar HDAV1.3 and ArcSoft TotalMedia Theater.Auzentech X-Fi HomeTheater HD and CyberLink PowerDVD.HDMI Sound Cards – Proprietary PAP Solutions.Hardware and Software player Must Work Together.Another Reason for Downsampling: Player Bug.Audio from Premium Contents Downsampled to 16bit/48kHz without PAP!.Current Solutions for Multichannel LPCM HDMI Audio.Bit Perfect Sounds by WASAPI Exclusive Mode.Managing 5.1 Channel Sources with 7.1 Channel Speakers.Download and Install 'ATI HDMI Audio Device' Driver.Enabling HDMI Audio – You Need the 'ATI HDMI Audio Device' Driver!!.Audio Downsampled to 16 bit, 48 kHz by Commercial BD Players.Supports Multichannel LPCM HDMI Audio, Up To 7.1 channel/32 bit/192 kHz.

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