Top "Fft" questions

FFT Pitch Detection for iOS using Accelerate Framework?

I have been reading up on FFT and Pitch Detection for a while now, but I'm having trouble piecing it …

objective-c ios signal-processing fft accelerate-framework

Understanding Overlap and Add for Filtering

I am trying to implement the overlap and add method in oder to apply a filter in a real time …

signal-processing add fft overlap

How to calculate frequency of a give wave and time

I have data for Velocity vs time. The time steps are not uniform, but the Velocity data is a wave. …

python numpy scipy fft dft

Get the frequency of an audio file in every 1/4 seconds in android

I have a sound file (.3gp) and its about ~1 min. I would like to get the frequency of this sound …

android audio fft frequency

c++ FFT Beat detection library?

I am currently looking around for a good allround beat detection library / source code in C++ since I found it …

c++ audio analysis fft

Android audio FFT to display fundamental frequency

I have been working on an Android project for awhile that displays the fundamental frequency of an input signal (to …

android fft frequency audiorecord

Calculating the DFT with Jtransform's DoubleFFT_1D() for android

I have been searching everywhere to find a reliable method to calculate the FFT of an audio byte stream received …

android fft dft libgdx

Python: Performing FFT on .csv values using SciPy documentation

I would like to perform Fast Fourier transform on a data series. The series contains values of daily seismic amplitude, …

python csv scipy fft valueerror

How to extract frequency information from samples from PortAudio using FFTW in C

I want to make a program that would record audio data using PortAudio (I have this part done) and then …

c audio fft fftw portaudio

(numpy) Wrong amplitude(?) of FFT'd array?

I'm using numpy and matplotlib to analyze data output form my simulations. There is one (apparent) inconsistency that I can't …

python numpy fft amplitude