Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma
You can get the list of supported formats with:
ffmpeg -formats
You can get the list of installed codecs with:
<!DOCTYPE html> | |
<html> | |
<head><title>SOUND</title></head> | |
<body> | |
<div>Frequence: <span id="frequency"></span></div> | |
<script type="text/javascript"> | |
var audioCtx = new (window.AudioContext || window.webkitAudioContext)(); | |
var oscillatorNode = audioCtx.createOscillator(); | |
var gainNode = audioCtx.createGain(); |
"""Perlin noise implementation.""" | |
# Licensed under ISC | |
from itertools import product | |
import math | |
import random | |
def smoothstep(t): | |
"""Smooth curve with a zero derivative at 0 and 1, making it useful for | |
interpolating. |
#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
from PyQt5.QtWidgets import (QWidget, QDataWidgetMapper, | |
QLineEdit, QApplication, QGridLayout, QListView) | |
from PyQt5.QtCore import Qt, QAbstractTableModel, QModelIndex | |
class Window(QWidget): | |
def __init__(self, parent=None): |
import sys,os | |
import curses | |
def draw_menu(stdscr): | |
k = 0 | |
cursor_x = 0 | |
cursor_y = 0 | |
# Clear and refresh the screen for a blank canvas | |
stdscr.clear() |
import java.awt.geom.Rectangle2D; | |
import java.awt.geom.Point2D; | |
public static final int FRAME_X = 1024; | |
public static final int FRAME_Y = 1024; | |
public static final int GENERATION_NUM = 4; | |
public static final int WALL_POWER = 10; | |
public static final int COFF_COULUMB = 1; | |
private ArrayList<Body> bodies; |
# Create background noise profile from mp3 | |
/usr/bin/sox noise.mp3 -n noiseprof noise.prof | |
# Remove noise from mp3 using profile | |
/usr/bin/sox input.mp3 output.mp3 noisered noise.prof 0.21 | |
# Remove silence from mp3 | |
/usr/bin/sox input.mp3 output.mp3 silence -l 1 0.3 5% -1 2.0 5% | |
# Remove noise and silence in a single command |
### Locating UI elements ### | |
# By ID | |
<div id="coolestWidgetEvah">...</div> | |
element = driver.find_element_by_id("coolestWidgetEvah") | |
or | |
from selenium.webdriver.common.by import By | |
element = driver.find_element(by=By.ID, value="coolestWidgetEvah") | |
# By class name: |