Asus Xonar_U3 Owner's Manual download pdf (Page 33)

27ASUS Xonar U3

8.8 DS3D GX2.5 and DSP Modes

Xonar U3 is introducing an innovative technology –DirectSound 3D Game

Extensions v2.5 (DG3D GX2.5)- to restore DirectSound 3D Hardware acceleration

mode and its subsidiary EAX effects on Windows 7/Vista for 3D games.

Unlike some proprietary API like OpenAL, DG3D GX doesn’t require games to

support OpenAL API. All existing games compatible with Microsoft DirectX and

DirectSound 2D/3D will be supported with DG3D GX technology. Before you start

EAX and DG3D HW games, please enable DG3D GX on the Xonar U3 audio

center, and disable the function after the games.

In addition, Xonar U3 also offers a Hi-Fi mode for hi-delity playback without any

effect processing to keep the original audio delity. Every time you turn on Hi-Fi

mode, Xonar U3 will clear all sound effects. It’s also recommended to use Hi-Fi

mode for audio quality tests (using RMAA software or another machine-based

measurement). Use the DSP mode button as the quick setup if you don’t wish to

know the details of the effect setup.

No sound effects will be applied to high-denition 96KHz/192KHz content.

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Asus Xonar_U3 Owner's Manual Page 33