HIS Radeon R7-260X iCooler review -
A new Island and Technology
True Audio
Audio immersion is a key factor for AMD as they are now implementing an audio pipeline into the newest GPUs. Now first, please understand that AMD True Audio is only available on the R7 260/260X and the upcoming Radeon R9-290 and R9-290X, and NOT the rest of this series.
And AMD is implementing a fully programmable audio engine, TrueAudio technology. You guys know about programmable shaders for visuals right? To some extent that now applies for audio as well; to improve audio effects (real-time voices and audio channels in your game opposed to what is possible with CPUs today) enabling directional (surround) audio over input. To do so AMD injected DSPs into the GPU that can do some magic on the audio channels.
For the geeks:
- There are multiple Audio optimized DSP cores
- Tensilica HiFi2 EP instruction set
- Tensilica Xtensa SP Fload support
- The DSPs have 32KB instruction and data caches
- 8KB of scratch RAM for local operation.
So yes, an audio processor is onboard the 260X and the 290 series. For example, surround with stereo could be virtualized. There isn't enough CPU power left to run complex audio mechanisms and this is where the technology kicks in. So professional grade audio is now closer to the home PC with this new audio technology. Try to imagine High Quality Reverbs, Room Simulation, True 3D audio dedicated audio processing. Game developers can use what is called a Wwise audio plugin to get all this going over the AMD True Audio DPS. This is going to help with CPU load big-time BTW. A few simple audio effects can use up-to 14% of your CPU, this is now offloaded to the graphics card. That's always good stuff.
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