I'd like to analyse recordings to see if low frequencies are correlated (most of recordings are) or not, especially within reverberation, and have kind of a "room spatiousness" indication.
Bird on a wire (Jennifer Warnes) and Fast Car (Tracy Chapman) : low frequency is mostly mono
it's "well known" that bass is non-directional.
Quote from: jlohl on 15 October, 2017, 02:28:48 PMBird on a wire (Jennifer Warnes) and Fast Car (Tracy Chapman) : low frequency is mostly mono Try classical and jazz. There are AES papers that I've linked previously, about stereo LF content in recordings.
Calculate the coherence function. Look at this https://www.dsprelated.com/freebooks/mdft/Coherence_Function.html
Quote from: mmrkaic on 11 November, 2017, 06:12:27 PMCalculate the coherence function. Look at this https://www.dsprelated.com/freebooks/mdft/Coherence_Function.htmlThanks for the idea, I have to think about it.