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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>9 Abspielen von Audio-Dateien: "sound.ss"</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">▼</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">Sprachebenen und Material zu <span style="font-style: italic">Die Macht der Abstraktion</span></a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1 </td><td><a href="DMdA-beginner.html" class="tocviewlink" data-pltdoc="x">Die Macht der Abstraktion -<wbr></wbr> Anfänger</a></td></tr><tr><td align="right">2 </td><td><a href="DMdA-vanilla.html" class="tocviewlink" data-pltdoc="x">Die Macht der Abstraktion</a></td></tr><tr><td align="right">3 </td><td><a href="DMdA-assignments.html" class="tocviewlink" data-pltdoc="x">Die Macht der Abstraktion mit Zuweisungen</a></td></tr><tr><td align="right">4 </td><td><a href="DMdA-advanced.html" class="tocviewlink" data-pltdoc="x">Die Macht der Abstraktion fortgeschritten</a></td></tr><tr><td align="right">5 </td><td><a href="Konstruktionsanleitungen_1_bis_10.html" class="tocviewlink" data-pltdoc="x">Konstruktionsanleitungen 1 bis 10</a></td></tr><tr><td align="right">6 </td><td><a href="image.html" class="tocviewlink" data-pltdoc="x">Bilder konstruieren:<span class="mywbr"> </span> <span class="stt">"image.ss"</span><a name="(idx._(gentag._2._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></a></td></tr><tr><td align="right">7 </td><td><a href="world.html" class="tocviewlink" data-pltdoc="x">Animationen:<span class="mywbr"> </span> <span class="stt">"world.ss"</span><a name="(idx._(gentag._3._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></a></td></tr><tr><td align="right">8 </td><td><a href="turtle.html" class="tocviewlink" data-pltdoc="x">Turtle-<wbr></wbr>Grafik:<span class="mywbr"> </span> <span class="stt">"turtle.ss"</span><a name="(idx._(gentag._4._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></a></td></tr><tr><td align="right">9 </td><td><a href="" class="tocviewselflink" data-pltdoc="x">Abspielen von Audio-<wbr></wbr>Dateien:<span class="mywbr"> </span> <span class="stt">"sound.ss"</span><a name="(idx._(gentag._5._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></a></td></tr><tr><td align="right">10 </td><td><a href="line3d.html" class="tocviewlink" data-pltdoc="x">3D-<wbr></wbr>Liniengraphik:<span class="mywbr"> </span> <span class="stt">"line3d.ss"</span><a name="(idx._(gentag._6._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></a></td></tr><tr><td align="right">11 </td><td><a href="DMdA__Sprachen_als_Libraries.html" class="tocviewlink" data-pltdoc="x"><span style="font-weight: bold">DMd<span class="mywbr"> </span>A</span>:<span class="mywbr"> </span> Sprachen als Libraries</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._play-sound-file%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">play-<wbr></wbr>sound-<wbr></wbr>file</span></span></a></td></tr><tr><td><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._background-play-sound-file%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">background-<wbr></wbr>play-<wbr></wbr>sound-<wbr></wbr>file</span></span></a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <a href="turtle.html" title="backward to "8 Turtle-Grafik: "turtle.ss""" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "Sprachebenen und Material zu Die Macht der Abstraktion"" data-pltdoc="x">up</a> <a href="line3d.html" title="forward to "10 3D-Liniengraphik: "line3d.ss""" data-pltdoc="x">next →</a></span> </div><h3 x-source-module="(lib "deinprogramm/scribblings/deinprogramm.scrbl")" x-source-pkg="deinprogramm" x-part-tag=""sound"">9<tt> </tt><a name="(part._sound)"></a>Abspielen von Audio-Dateien: <span class="stt">"sound.ss"</span><a name="(idx._(gentag._5._(lib._deinprogramm/scribblings/deinprogramm..scrbl)))"></a></h3><p>Note: This is documentation for the <span class="stt">"sound.rkt"</span> teachpack that goes
with the German textbook
<span style="font-style: italic"><a href="http://www.deinprogramm.de/dmda/">Die Macht der
Abstraktion</a></span>.</p><p>Dieses Teachpack definiert eine Prozedur zum Abspielen einer
Audio-Datei. Diese Prozedur ist je nach Plattform unterschiedlich
realisiert, und funktioniert möglicherweise nicht auf jedem
Rechner.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._teachpack/deinprogramm/sound..rkt)._play-sound-file))"></a><span title="Provided from: teachpack/deinprogramm/sound | Package: deinprogramm"><span class="RktSym"><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._play-sound-file%29%29" class="RktValDef RktValLink" data-pltdoc="x">play-sound-file</a></span></span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=strings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._string%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">string</a></span><span class="hspace"> </span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=function-contracts.html%23%2528form._%2528%2528lib._racket%252Fcontract%252Fbase..rkt%2529._-%7E3e%2529%2529&version=6.7" class="RktStxLink Sq" data-pltdoc="x"><span class="nobreak">-></span></a></span><span class="hspace"> </span><span class="RktSym">unspecific</span><span class="RktPn">)</span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">Der Aufruf
<span class="RktPn">(</span><span class="RktSym"><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._play-sound-file%29%29" class="RktValLink" data-pltdoc="x">play-sound-file</a></span><span class="stt"> </span><span class="RktSym">f</span><span class="RktPn">)</span> spielt die Audio-Datei mit dem Namen
<span class="RktSym">f</span> ab.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>value</p></div></div><p class="RForeground"><a name="(def._((lib._teachpack/deinprogramm/sound..rkt)._background-play-sound-file))"></a><span title="Provided from: teachpack/deinprogramm/sound | Package: deinprogramm"><span class="RktSym"><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._background-play-sound-file%29%29" class="RktValDef RktValLink" data-pltdoc="x">background-play-sound-file</a></span></span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=strings.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._string%2529%2529&version=6.7" class="RktValLink Sq" data-pltdoc="x">string</a></span><span class="hspace"> </span><span class="RktSym"><a href="https://download.racket-lang.org/docs/6.7/html/local-redirect/index.html?doc=reference&rel=function-contracts.html%23%2528form._%2528%2528lib._racket%252Fcontract%252Fbase..rkt%2529._-%7E3e%2529%2529&version=6.7" class="RktStxLink Sq" data-pltdoc="x"><span class="nobreak">-></span></a></span><span class="hspace"> </span><span class="RktSym">unspecific</span><span class="RktPn">)</span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">Der Aufruf
<span class="RktPn">(</span><span class="RktSym"><a href="#%28def._%28%28lib._teachpack%2Fdeinprogramm%2Fsound..rkt%29._background-play-sound-file%29%29" class="RktValLink" data-pltdoc="x">background-play-sound-file</a></span><span class="stt"> </span><span class="RktSym">f</span><span class="RktPn">)</span> spielt die Audio-Datei mit dem Namen
<span class="RktSym">f</span> im Hintergrund ab, also ohne dass das Scheme-Programm anhält.</div></p><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, "6.7", "../");" onfocus="this.style.color="black"; this.style.textAlign="left"; if (this.value == "...search manuals...") this.value="";" onblur="if (this.value.match(/^ *$/)) { this.style.color="#888"; this.style.textAlign="center"; this.value="...search manuals..."; }"/></form> <a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot("6.7");">top</a></span><span class="navright"> <a href="turtle.html" title="backward to "8 Turtle-Grafik: "turtle.ss""" data-pltdoc="x">← prev</a> <a href="index.html" title="up to "Sprachebenen und Material zu Die Macht der Abstraktion"" data-pltdoc="x">up</a> <a href="line3d.html" title="forward to "10 3D-Liniengraphik: "line3d.ss""" data-pltdoc="x">next →</a></span> </div></div></div><div id="contextindicator"> </div></body></html>
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