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Results 1 - 10 of 14 for Butterworth (0.64 sec)

  1. audio_filters/butterworth_filter.py

    from math import cos, sin, sqrt, tau
    
    from audio_filters.iir_filter import IIRFilter
    
    """
    Create 2nd-order IIR filters with Butterworth design.
    
    Code based on https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html
    Alternatively you can use scipy.signal.butter, which should yield the same results.
    """
    
    
    def make_lowpass(
        frequency: int, samplerate: int, q_factor: float = 1 / sqrt(2)  # noqa: B008
    ) -> IIRFilter:
        """
    Python
    - Registered: 2022-11-24 19:18
    - Last Modified: 2022-10-13 16:03
    - 5.9K bytes
    - Viewed (0)
  2. audio_filters/equal_loudness_filter.py

        Designed for use with samplerate of 44.1kHz and above. If you're using a lower
         samplerate, use with caution.
    
        Code based on matlab implementation at https://bit.ly/3eqh2HU
        (url shortened for flake8)
    
        Target curve: https://i.imgur.com/3g2VfaM.png
        Yulewalk response: https://i.imgur.com/J9LnJ4C.png
    Python
    - Registered: 2022-11-24 19:18
    - Last Modified: 2022-10-12 13:19
    - 2.2K bytes
    - Viewed (0)
  3. examples/js/shaders/RGBShiftShader.js

    ( function () {
    
    	/**
     * RGB Shift Shader
     * Shifts red and blue channels from center in opposite directions
     * Ported from http://kriss.cx/tom/2009/05/rgb-shift/
     * by Tom Butterworth / http://kriss.cx/tom/
     *
     * amount: shift distance (1 is width of input)
     * angle: shift angle in radians
     */
    	const RGBShiftShader = {
    		uniforms: {
    			'tDiffuse': {
    				value: null
    			},
    			'amount': {
    				value: 0.005
    			},
    			'angle': {
    JavaScript
    - Registered: 2022-09-21 04:56
    - Last Modified: 2021-04-19 15:10
    - 1K bytes
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  4. examples/js/shaders/DigitalGlitch.js

    ( function () {
    
    	/**
     * RGB Shift Shader
     * Shifts red and blue channels from center in opposite directions
     * Ported from http://kriss.cx/tom/2009/05/rgb-shift/
     * by Tom Butterworth / http://kriss.cx/tom/
     *
     * amount: shift distance (1 is width of input)
     * angle: shift angle in radians
     */
    	const DigitalGlitch = {
    		uniforms: {
    			'tDiffuse': {
    				value: null
    			},
    			//diffuse texture
    			'tDisp': {
    				value: null
    JavaScript
    - Registered: 2022-09-21 04:56
    - Last Modified: 2022-01-13 00:59
    - 2.7K bytes
    - Viewed (0)
  5. audio_filters/iir_filter.py

            a_0 may be left out, and it will use 1.0 as default value.
    
            This method works well with scipy's filter design functions
                >>> # Make a 2nd-order 1000Hz butterworth lowpass filter
                >>> import scipy.signal
                >>> b_coeffs, a_coeffs = scipy.signal.butter(2, 1000,
                ...                                          btype='lowpass',
    Python
    - Registered: 2022-11-24 19:18
    - Last Modified: 2021-10-23 21:19
    - 3.1K bytes
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  6. MAINTAINERS

      h263*                                 Michael Niedermayer
      h264*                                 Loren Merritt, Michael Niedermayer
      hap*                                  Tom Butterworth
      huffyuv*                              Michael Niedermayer
      idcinvideo.c                          Mike Melanson
      interplayvideo.c                      Mike Melanson
      jni*, ffjni*                          Matthieu Bouron
    Plain Text
    - Registered: 2022-11-21 18:17
    - Last Modified: 2022-11-10 15:28
    - 30.5K bytes
    - Viewed (0)
  7. plugins/codemirror/mode/idl/idl.js

    JavaScript
    - Registered: 2022-11-21 07:18
    - Last Modified: 2021-01-27 07:12
    - 14.5K bytes
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  8. DIRECTORY.md

      * [Newton Raphson New](arithmetic_analysis/newton_raphson_new.py)
      * [Secant Method](arithmetic_analysis/secant_method.py)
    
    ## Audio Filters
      * [Butterworth Filter](audio_filters/butterworth_filter.py)
      * [Equal Loudness Filter](audio_filters/equal_loudness_filter.py)
      * [Iir Filter](audio_filters/iir_filter.py)
      * [Show Response](audio_filters/show_response.py)
    
    ## Backtracking
    Plain Text
    - Registered: 2022-11-24 19:18
    - Last Modified: 2022-11-20 10:59
    - 54.8K bytes
    - Viewed (2)
  9. julia.spdx.json

                "licenseConcluded": "MIT",
                "licenseDeclared": "MIT",
                "copyrightText": "Copyright (c) 2017-2021: Stefan Karpinski, Kristoffer Carlsson, Fredrik Ekre, David Varela, Ian Butterworth, and contributors: https://github.com/JuliaLang/Pkg.jl/graphs/contributors",
                "summary": "Julia's package manager, shipped with Julia v1.0 and above"
            },
            {
                "name": "Statistics.jl",
    Json
    - Registered: 2022-11-21 02:21
    - Last Modified: 2022-11-02 11:13
    - 35.8K bytes
    - Viewed (0)
  10. doc/filters.texi

    18701+0.58773007i 0.80918701-0.58773007i 0.80884700+0.58784055i 0.80884700-0.58784055i:p=0.63892345+0.59951235i 0.63892345-0.59951235i 0.79582691+0.44198673i 0.79582691-0.44198673i:f=zp:r=s @end example @item Apply 3-rd order analog normalized Butterworth low-pass filter, using analog transfer function format: @example aiir=z=1.3057 0 0 0:p=1.3057 2.3892 2.1860 1:f=sf:r=d @end example @end itemize @section alimiter The limiter prevents an input signal from rising over a desired threshold. This limiter...
    Others
    - Registered: 2022-11-21 18:17
    - Last Modified: 2022-11-19 13:15
    - 814.3K bytes
    - Viewed (5)
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