Python audio filtering module.

• Analyse the noise and search for harmonics
• Study about standard Audio Pre-processing techniques.
• Read clip frame by frame, formatting from wave module
• Dumping / Loading the filter coeffs, for faster computation
• Artificial Combing + ButterWorth.
• Time Computation Graphs

• To record a clip, type in rec filename.wav.
• To play the clip, type in aplay filename.wav.

• Test for more data, similar conditions.
• Getter function for params
• Normalise the x axis into frequency, and try to locate the voice-frequency component approximately.
• Pass a normal LPF around it and try, get results
• Get way for amplifying the audio, adding dB gain
• Make a function for calculating SNR.
• Adding OptParsing for convenience
• Added Combing filter, for removing certain high power harmonics, using a naive thresholding method.
• Adding ButterWorth filter, working