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| 1 | +\documentclass[11pt]{article} |
| 2 | +\usepackage[utf8]{inputenc} |
| 3 | +\usepackage[T1]{fontenc} % Fix weird character |
| 4 | +\usepackage{geometry} |
| 5 | +\usepackage{amsmath} |
| 6 | +\usepackage{amssymb} |
| 7 | +\usepackage{gensymb} |
| 8 | +\usepackage{spalign} |
| 9 | +\usepackage{xfrac} |
| 10 | +\usepackage{parskip} |
| 11 | +\usepackage{float} % figure[H] |
| 12 | +\usepackage[english]{babel} |
| 13 | +\usepackage[style=ieee,backend=biber,urldate=iso,date=iso]{biblatex} |
| 14 | +\usepackage[breaklinks=true,bookmarks=true,hidelinks]{hyperref} |
| 15 | +\usepackage{tikz} |
| 16 | +\usepackage{pgfplots} |
| 17 | +\usepackage{circuitikz} |
| 18 | +\usepackage{subcaption} |
| 19 | +\usepackage[yyyymmdd]{datetime} |
| 20 | +\usepackage{url} |
| 21 | +\usetikzlibrary {arrows.meta} |
| 22 | +\pgfplotsset{compat=newest,compat/show suggested version=false} |
| 23 | + |
| 24 | +% Custom shape |
| 25 | +\makeatletter |
| 26 | +\pgfdeclareshape{dflowpass}{ |
| 27 | + \inheritsavedanchors[from=rectangle] |
| 28 | + \inheritanchorborder[from=rectangle] |
| 29 | + \inheritanchor[from=rectangle]{center} |
| 30 | + \anchor{left}{\pgfpoint{-0.5cm}{0cm}} |
| 31 | + \anchor{right}{\pgfpoint{0.5cm}{0cm}} |
| 32 | + % Add more custom anchors if needed |
| 33 | + \backgroundpath{ |
| 34 | + % Draw the switch shape (rectangle with diagonal lines) |
| 35 | + \pgfsetlinewidth{0.85pt} |
| 36 | + \pgfpathrectanglecorners{\pgfpoint{-0.5cm}{-0.5cm}}{\pgfpoint{0.5cm}{0.5cm}} |
| 37 | + \pgfpathmoveto{\pgfpoint{-0.35cm}{0.125cm}} |
| 38 | + \pgfpathlineto{\pgfpoint{0.15cm}{0.125cm}} |
| 39 | + \pgfpathlineto{\pgfpoint{0.35cm}{-0.2cm}} |
| 40 | + \pgfusepath{draw} |
| 41 | + } |
| 42 | +} |
| 43 | +\pgfdeclareshape{dfhighpass}{ |
| 44 | + \inheritsavedanchors[from=rectangle] |
| 45 | + \inheritanchorborder[from=rectangle] |
| 46 | + \inheritanchor[from=rectangle]{center} |
| 47 | + \anchor{left}{\pgfpoint{-0.5cm}{0cm}} |
| 48 | + \anchor{right}{\pgfpoint{0.5cm}{0cm}} |
| 49 | + \backgroundpath{ |
| 50 | + % Draw the switch shape (rectangle with diagonal lines) |
| 51 | + \pgfsetlinewidth{1pt} |
| 52 | + \pgfpathrectanglecorners{\pgfpoint{-0.5cm}{-0.5cm}}{\pgfpoint{0.5cm}{0.5cm}} |
| 53 | + \pgfpathmoveto{\pgfpoint{0.35cm}{0.125cm}} |
| 54 | + \pgfpathlineto{\pgfpoint{-0.15cm}{0.125cm}} |
| 55 | + \pgfpathlineto{\pgfpoint{-0.35cm}{-0.2cm}} |
| 56 | + \pgfusepath{draw} |
| 57 | + } |
| 58 | +} |
| 59 | +\pgfdeclareshape{dfbandpass}{ |
| 60 | + \inheritsavedanchors[from=rectangle] |
| 61 | + \inheritanchorborder[from=rectangle] |
| 62 | + \inheritanchor[from=rectangle]{center} |
| 63 | + \anchor{left}{\pgfpoint{-0.5cm}{0cm}} |
| 64 | + \anchor{right}{\pgfpoint{0.5cm}{0cm}} |
| 65 | + \backgroundpath{ |
| 66 | + % Draw the switch shape (rectangle with diagonal lines) |
| 67 | + \pgfsetlinewidth{1pt} |
| 68 | + \pgfpathrectanglecorners{\pgfpoint{-0.5cm}{-0.5cm}}{\pgfpoint{0.5cm}{0.5cm}} |
| 69 | + \pgfpathmoveto{\pgfpoint{-0.35cm}{-0.2cm}} |
| 70 | + \pgfpathlineto{\pgfpoint{-0.20cm}{0.125cm}} |
| 71 | + \pgfpathlineto{\pgfpoint{0.15cm}{0.125cm}} |
| 72 | + \pgfpathlineto{\pgfpoint{0.35cm}{-0.2cm}} |
| 73 | + \pgfusepath{draw} |
| 74 | + } |
| 75 | +} |
| 76 | +\pgfdeclareshape{quantizer}{ |
| 77 | + \inheritsavedanchors[from=rectangle] |
| 78 | + \inheritanchorborder[from=rectangle] |
| 79 | + \inheritanchor[from=rectangle]{center} |
| 80 | + \anchor{left}{\pgfpoint{-0.5cm}{0cm}} |
| 81 | + \anchor{right}{\pgfpoint{0.5cm}{0cm}} |
| 82 | + \backgroundpath{ |
| 83 | + % Draw the switch shape (rectangle with diagonal lines) |
| 84 | + \pgfsetlinewidth{0.8pt} |
| 85 | + \pgfpathrectanglecorners{\pgfpoint{-0.5cm}{-0.5cm}}{\pgfpoint{0.5cm}{0.5cm}} |
| 86 | + \pgfpathmoveto{\pgfpoint{-0.25cm}{-0.25cm}} |
| 87 | + \pgfpathlineto{\pgfpoint{0cm}{-0.25cm}} |
| 88 | + \pgfpathlineto{\pgfpoint{0cm}{0.25cm}} |
| 89 | + \pgfpathlineto{\pgfpoint{0.25cm}{0.25cm}} |
| 90 | + \pgfusepath{draw} |
| 91 | + } |
| 92 | +} |
| 93 | +\pgfdeclareshape{quantamp}{ |
| 94 | + \inheritsavedanchors[from=op amp] |
| 95 | + \inheritanchorborder[from=op amp] |
| 96 | + \inheritanchor[from=op amp]{center} |
| 97 | + \inheritanchor[from=op amp]{+} |
| 98 | + \inheritanchor[from=op amp]{-} |
| 99 | + \inheritanchor[from=op amp]{out} |
| 100 | + \inheritanchor[from=op amp]{up} |
| 101 | + \inheritanchor[from=op amp]{down} |
| 102 | + \backgroundpath{ |
| 103 | + \pgfsetlinewidth{0.8pt} |
| 104 | + \pgfpathmoveto{\pgfpoint{-0.5cm}{0.55cm}} |
| 105 | + \pgfpathlineto{\pgfpoint{0.5cm}{0}} |
| 106 | + \pgfpathlineto{\pgfpoint{-0.5cm}{-0.55cm}} |
| 107 | + \pgfpathclose |
| 108 | + \pgfpathmoveto{\pgfpoint{-0.35cm}{-0.2cm}} |
| 109 | + \pgfpathlineto{\pgfpoint{-0.2cm}{-0.2cm}} |
| 110 | + \pgfpathlineto{\pgfpoint{-0.2cm}{0.2cm}} |
| 111 | + \pgfpathlineto{\pgfpoint{-0.05cm}{0.2cm}} |
| 112 | + \pgfusepath{draw} |
| 113 | + } |
| 114 | +} |
| 115 | +\pgfdeclareshape{decimation}{ |
| 116 | + \inheritsavedanchors[from=rectangle] |
| 117 | + \inheritanchorborder[from=rectangle] |
| 118 | + \inheritanchor[from=rectangle]{center} |
| 119 | + \anchor{left}{\pgfpoint{-0.5cm}{0.0cm}} |
| 120 | + \anchor{right}{\pgfpoint{0.5cm}{0.0cm}} |
| 121 | + \anchor{top}{\pgfpoint{0.0cm}{0.5cm}} |
| 122 | + \anchor{bot}{\pgfpoint{0.0cm}{-0.5cm}} |
| 123 | + \backgroundpath{ |
| 124 | + \pgfsetlinewidth{0.8pt} |
| 125 | + \pgfpathrectanglecorners{\pgfpoint{-0.5cm}{-0.5cm}}{\pgfpoint{0.5cm}{0.5cm}} |
| 126 | + \pgfpathmoveto{\pgfpoint{-0.25cm}{0.25cm}} |
| 127 | + \pgfpathlineto{\pgfpoint{-0.25cm}{-0.25cm}} |
| 128 | + \pgfpathmoveto{\pgfpoint{-0.30cm}{-0.185cm}} |
| 129 | + \pgfpathlineto{\pgfpoint{-0.25cm}{-0.25cm}} |
| 130 | + \pgfpathlineto{\pgfpoint{-0.20cm}{-0.185cm}} |
| 131 | + \pgfusepath{draw} |
| 132 | + } |
| 133 | +} |
| 134 | +\makeatother |
| 135 | + |
| 136 | +\geometry{ |
| 137 | + a4paper, |
| 138 | + hmargin=2.54cm, |
| 139 | + tmargin=1.27cm, |
| 140 | + bmargin=1.27cm, |
| 141 | + includeheadfoot |
| 142 | +} |
| 143 | +\setcounter{secnumdepth}{0} % Disable section numbering |
| 144 | + |
| 145 | +\begin{filecontents}{linux-audio-stack.bib} |
| 146 | +@misc{linux:doc, |
| 147 | + author = {The Linux Kernel Community}, |
| 148 | + title = {The Linux Kernel Documentation}, |
| 149 | + year = {2024}, |
| 150 | + url = {https://www.kernel.org/doc/html/latest/}, |
| 151 | + note = {Accessed: 2024-12-27} |
| 152 | +} |
| 153 | +@misc{linux:sound, |
| 154 | + author = {The Linux Kernel Community}, |
| 155 | + title = {Sound Subsystem Documentation - The Linux Kernel}, |
| 156 | + year = {2024}, |
| 157 | + url = {https://www.kernel.org/doc/html/latest/sound/index.html}, |
| 158 | + note = {Accessed: 2024-12-27} |
| 159 | +} |
| 160 | +\end{filecontents} |
| 161 | +\addbibresource{linux-audio-stack.bib} |
| 162 | + |
| 163 | +\begin{document} |
| 164 | +\section{Linux Audio Stack} |
| 165 | + |
| 166 | +Linux Kernel\cite{linux:doc} audio stack. ALSA, ASoC\cite{linux:sound} |
| 167 | + |
| 168 | +\newpage |
| 169 | +\printbibliography |
| 170 | +\end{document} |
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