I am trying to write a simple low pass filter using scipy, but I need help defining the parameters. I have 3.5 million records in the time series data that needs to be filtered, and the data is sampl
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I have a repeating signal that varies a little bit with each cycle of a process that repeats roughly every second, though the duration and the contents of each cycle vary from each other a little bit
I am new to FFTs and signal processing, so hopefully this question makes sense and/or isn\'t stupid. I would like to perform spectrum analysis on a live audio signal. My goal is to find a good tradeo
I want to detect not the pitch,but the pitch class of a sung note. So,whether it is C4 or C5 is not important: they must both be detected as C.
I would like to compare to WAV audio files using an FFT.What open source libraries and / or sample code exis开发者_运维问答t for performing such an operation?Apple\'s aurioTouch sample app (available
does anyone know how to make a simple EQ audio unit (3 bands - low, mid, hi)开发者_StackOverflow中文版 with iOS ? I know how to add an iPod EQ Audio Unit to my AU Graph. But it only give you access to
I want to comparetwo audio files(voice recording) and find whether they are identical or not (to some extent).I have come up with FFT(OouraFFT).I have integrated code and gave myaudio file as inputand
I am trying to read the .wav file and give the raw data as input to the F开发者_开发百科FT algorithm. I have used the following code to read the .wav file.
Here is the scenario: using a spectrum analyzer i have the input values and the output values. the number of samples is 32000 and the sampling rate is 2000 samples/sec, and the input is a sine wave of
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