real time audio processing tool in C++ -


i trying record , calculate spectrum in real time. wonder library should use purpose. need integrate original c++ code , combine image feature. looked opensmile , seems not suit purpose.

any suggestions appreciated!!

here pretty comparison , evaluation of various audio feature extraction toolboxes.

main conclusion based on paper mention in link below:

1) essentia: full function workflow environment high , low-level features, facilitating audio input, preprocessing , statistical analysis of output. written in c++, python binding , export data in yaml or json format.

2) marsyas: full real-time audio processing standalone framework data flow audio processing gui , cli. program includes low-level feature extraction tool built in c++, ability perform machine learning , synthesis within framework.the feature extraction aspects have been translated vamp plugin format

3)yaafe low level feature extraction library designed computational efficiency , batch processing utilizing data flow graphs, written in c++ cli , bindings python , matlab

you can find more details graph of percentage coverage of multiple feature sets , graph of computational time of feature extraction tools in link.


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