For a long time, it is generally believed that the revolution of audio technology is somewhat insignificant for computer calculations, but if your head is basically kept still, 3D surround sound seems to have its own use. In the VR experience, immersive sounds become especially important. In fact, many experts believe that the audiovisual experience constitutes half of the VR experience. If something in VR sounds a bit wrong, it will undermine the immersion of the entire VR experience. For example, in VR, if you walk from the building to the street, you feel that the surrounding voice is definitely different. Furthermore, if there is a barrier between you and the sound source, then the sound is certainly not the same as there is no obstacle.
In May of this year, Nvidia introduced the VR Work development kit, which uses ray tracing to render the environment based on physical sound technology. This technology is then used in sound rendering to create accurate physical sound wave feedback. Today, AMD has also followed the trend and developed a similar thing. In the face of Nvidia VR Work, AMD TrueAudio Next is its answer. AMD uses existing ray tracing interaction library Radeon Rays to generate a real-time dynamic, physical-based audio rendering that provides accurate spatial and positional audio. TrueAudio Next uses this information to provide feedback on all sounds in the surrounding environment. AMD claims that this technology can bring "accurate audio information in space and location." AMD claims that with CU Reservation, “real†audio that can be processed with TrueAudio Next can be added without any graphics rendering delay. CU Reservation allows the computer to perform other tasks while performing image rendering. For example, it can perform TrueAudio Next's Radeon Ray position tracking task. AMD claims that their CE Reservation technology is only available to certified developers, but TrueAudio Next can run without relying on CU Reservation. It only adds some predictability to audio signal processing. AMD TrueAudio Next is part of the AMD LiquidVR software development package and is free and open source. More detailed information can be found on AMD's Github and GPUOpen.