<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Introduction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.oggvorbis.html">oggvorbis</a></div> <div class="next" style="text-align: right; float: right;"><a href="oggvorbis.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.oggvorbis.html">oggvorbis</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="intro.oggvorbis" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> The OGG/Vorbis file format, as defined by <a href="http://www.vorbis.com/" class="link external">» http://www.vorbis.com/</a>, is a scheme for compressing audio streams by multiple factors with a minimum of quality loss. This extension adds Ogg Vorbis support to PHP's <a href="wrappers.html" class="link">URL Wrappers</a>. When used in read mode, compressed OGG/Vorbis data is expanded to raw PCM audio in one of six PCM encoding formats listed in the <a href="oggvorbis.constants.html" class="link">predefined constants</a> section. </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.oggvorbis.html">oggvorbis</a></div> <div class="next" style="text-align: right; float: right;"><a href="oggvorbis.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.oggvorbis.html">oggvorbis</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
