Top "Downsampling" questions

Downsampling wav audio file

I have to downsample a wav file from 44100Hz to 16000Hz without using any external Python libraries, so preferably wave …

python audio wav wave downsampling
Downsampling and applying a lowpass filter to digital audio

I've got a 44Khz audio stream from a CD, represented as an array of 16 bit PCM samples. I'd like to …

audio signal-processing pcm downsampling
How to downsample images correctly?

Background Creating an app that has a lot of high quality images, I've decided to downscale the images to the …

android bitmap decode downsampling pixelate
How do I sample a matrix in MATLAB?

I have a matrix in MATLAB from which I want to sample every other entry: a = 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16 And I want: result = 1 9 3 11 …

matlab matrix downsampling
How to perform undersampling (the right way) with python scikit-learn?

I am attempting to perform undersampling of the majority class using python scikit learn. Currently my codes look for the …

python-2.7 machine-learning scikit-learn sampling downsampling
Perceptual Image Downsampling

So here is my problem: I have an image, that image is large (high resolution) and it needs to be …

algorithm image downsampling
Downsample PCM audio from 44100 to 8000

I've been working on a audio-recognize demo for some time, and the api needs me to pass an .wav file …

javascript audio pcm downsampling
Which pcl filter to use to downsample a point cloud

I am getting a point cloud from a lidar on an autonomous driving robot, but it's too much data to …

c++ point-cloud-library point-clouds downsampling
How do I downsample a 1d numpy array?

This seems like a very straight forward problem but I can't figure out a solution. Suppose I have a sine …

python numpy downsampling