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@ 2013/09/26As part of today’s public session for AMD’s 2014 GPU product showcase, AMD has announced a new audio technology for some of their upcoming GPUs. Dubbed TrueAudio, Although technical details are light at this time – more is certainly to come under NDA – what AMD is describing would be consistent with them having integrated some form of audio DSP into their relevant GPUs.
The inclusion of an audio DSP comes at an interesting time for the industry. The launch of the next generation consoles has afforded everyone the chance to make significant technology changes, as the consoles and the realities of multi-platform game publishing meant that many developers stuck with a least common denominator on input, graphics, and audio. For PC game audio this meant that most audio was implemented entirely in software, just as it was with the consoles.
This also coincides with significant changes to the Windows audio stack that came with Windows Vista. Vista saw a significant overhaul of the Windows audio stack, where after years of bad experiences with audio hardware and dodgy drivers for low-end audio chips that implemented most of their functionality in software, Microsoft outright moved the bulk of the audio stack into the user space, i.e. into software. This vastly improved the audio stack stability and baseline features, however in doing so it cut off hardware audio acceleration of the principle 3D audio API of the time, DirectSound 3D.
The inclusion of an audio DSP comes at an interesting time for the industry. The launch of the next generation consoles has afforded everyone the chance to make significant technology changes, as the consoles and the realities of multi-platform game publishing meant that many developers stuck with a least common denominator on input, graphics, and audio. For PC game audio this meant that most audio was implemented entirely in software, just as it was with the consoles.
This also coincides with significant changes to the Windows audio stack that came with Windows Vista. Vista saw a significant overhaul of the Windows audio stack, where after years of bad experiences with audio hardware and dodgy drivers for low-end audio chips that implemented most of their functionality in software, Microsoft outright moved the bulk of the audio stack into the user space, i.e. into software. This vastly improved the audio stack stability and baseline features, however in doing so it cut off hardware audio acceleration of the principle 3D audio API of the time, DirectSound 3D.
