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@endolith
endolith / frequency_estimator.py
Last active July 15, 2024 21:25
Frequency estimation methods in Python
from __future__ import division
from numpy.fft import rfft
from numpy import argmax, mean, diff, log, nonzero
from scipy.signal import blackmanharris, correlate
from time import time
import sys
try:
import soundfile as sf
except ImportError:
from scikits.audiolab import flacread
@endolith
endolith / DCT Type I.png
Last active February 4, 2021 16:32
Relationship between DCT, RFFT, FFT, DFT in SciPy
DCT Type I.png
#!/usr/bin/python
# coding: utf-8
import numpy as np
from numpy import linalg
from sklearn.mixture import GMM
import scipy.linalg
import scipy.sparse
import scipy.sparse.linalg
@karpathy
karpathy / min-char-rnn.py
Last active July 24, 2024 18:36
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np
# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)
@mjdietzx
mjdietzx / improved_wGAN_loss.py
Last active January 7, 2021 05:02
tensorflow implementation of Wasserstein distance with gradient penalty
"""
wGAN implemented on top of tensorflow as described in: [Wasserstein GAN](https://arxiv.org/pdf/1701.07875.pdf)
with improvements as described in: [Improved Training of Wasserstein GANs](https://arxiv.org/pdf/1704.00028.pdf).
"""
import tensorflow as tf
#
@peterroelants
peterroelants / mnist_estimator.py
Last active February 14, 2024 11:26
Example using TensorFlow Estimator, Experiment & Dataset on MNIST data.
"""Script to illustrate usage of tf.estimator.Estimator in TF v1.3"""
import tensorflow as tf
from tensorflow.examples.tutorials.mnist import input_data as mnist_data
from tensorflow.contrib import slim
from tensorflow.contrib.learn import ModeKeys
from tensorflow.contrib.learn import learn_runner
# Show debugging output
@yougg
yougg / proxy.md
Last active July 25, 2024 02:20
complete ways to set http/socks/ssh proxy environment variables

set http or socks proxy environment variables

# set http proxy
export http_proxy=http://PROXYHOST:PROXYPORT

# set http proxy with user and password
export http_proxy=http://USERNAME:PASSWORD@PROXYHOST:PROXYPORT

# set http proxy with user and password (with special characters)
@HudsonHuang
HudsonHuang / audio_format.py
Created October 11, 2019 15:21
Convert audio data of PCM16/float32 to byte, and vice versa.
"""Helper functions for working with audio files in NumPy."""
"""some code borrowed from https://github.com/mgeier/python-audio/blob/master/audio-files/utility.py"""
import numpy as np
import contextlib
import librosa
import struct
import soundfile
def float_to_byte(sig):