Other methods include sound source isolations or sound source localisation in case of interactive VR audio.
Room acoustics modelling requires hybrid methods combining optimized approaches for different scales of wave lengths and complexity such as wave-based methods, geometric or statistical methods.
Audio rendering requires the combination of many time-varying transfer functions, proven perception models and ultrafast convolution techniques. Ultrafast computing can be done on GPUs providing thousands of parallel processing cores and fast shared memory using standard programming languages like C++ or Python or prototyped in MATHEMATICA, MATLAB, OCTAVE or LABVIEW.