Stereo Widening is an algorithm that creates a wider sound image and helps to overcome limitations of a given system architecture.
The StereoWidening audio object has two operation modes, with or without mid processing. If mid processing is activated, the sum of the L/R input signals is high-pass filtered and fed into a delay line. The cutoff frequency of the high-pass filter can be adjusted with the xover parameter. The delay line signal is output from various positions and mixed together to a signal which is then scaled and added to the delayed input signals. With mid processing set to off, the input signals are delayed by different intervals and mixed together with different scaling factors to generate the output.
Tuning Parameters
- Mid processing ON /OFF Flag
- High pass filter cut-off frequency (applicable only for mid-processing ON case)
- Mid processing line gain (applicable only for mid-processing ON case)
The number of input and output channels are always equal to 2. The mode with mid processing ON offers better quality at the cost of high computational complexity.