Top "Signal-processing" questions

AKA digital signal processing (DSP).

parameters for low pass fir filter using scipy

I am trying to write a simple low pass filter using scipy, but I need help defining the parameters. I …

numpy signal-processing scipy scientific-computing matplotlib
Simulink: Convert Continuous Signal to Discrete

I am very new to simulink, so this question may seem simple. I am looking for a way to sample …

signal-processing simulink discrete-mathematics data-acquisition
2D FFT using 1D FFT

I am trying to implement a 2D FFT using 1D FFTs. I have a matrix of size 4x4 (row major) …

signal-processing fft
Android 2.3 Visualizer - Trouble understanding getFft()

First time here so sorry in advance for any butchered formatting. So I am completely new to DSP so I …

android signal-processing fft visualizer android-sdk-2.3
Mixing 16 bit linear PCM streams and avoiding clipping/overflow

I've trying to mix together 2 16bit linear PCM audio streams and I can't seem to overcome the noise issues. I …

c audio signal-processing pcm mixing
Learning Digital Signal Processing

What are some good resources for learning about DSP (including the mathematics and algorithms necessary for actually understanding these resources)? …

signal-processing
How to capture raw signal from wireless router?

I have seen several projects now which derive novel spatial information from radio data collected from a typical wireless router: …

wifi signal-processing radio wireless data-analysis
Transferring data using ultrasound

Yamaha InfoSound and ShopKick application use technologies that allow to transfer data using ultrasound. That is playing an inaudible signal (&…

iphone android audio signal-processing data-transfer
Programmatically increase the pitch of an array of audio samples

Hello kind people of the audio computing world, I have an array of samples that respresent a recording. Let us …

audio signal-processing pitch
MFCC - 13 Coefficients

I'm trying to compute a MFCC algorithm based upon this paper I found (http://arxiv.org/pdf/1003.4083.pdf) so what …

signal-processing speech-recognition mfcc