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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Audioformat</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p>Ein <b>Audioformat</b> ist ein <a href="Datenformat" title="Datenformat">Datenformat</a>, das den Aufbau einer <a href="Audiodatei" title="Audiodatei">Audiodatei</a> oder eines Audio<a href="Datenstrom" title="Datenstrom">datenstromes</a> beschreibt.
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<div class="mw-heading mw-heading2"><h2 id="Allgemein">Allgemein</h2></div>
<p>Meist handelt es sich um ein Format, das die komplette Klangkurve eines Tonsignals beschreibt.
</p><p>Daneben existieren auch Audiodateien, die kein vollständiges Tonsignal enthalten. So genannte <a href="Musikformat" title="Musikformat">Musikformate</a> speichern nur einzelne Noten und möglicherweise Informationen über den Aufbau von Klängen.
Hier sind zwei Formate zu unterscheiden: Solche, die keine Samples nutzen (zum Beispiel <a href="Musical_Instrument_Digital_Interface" class="mw-redirect" title="Musical Instrument Digital Interface">MIDI</a>), und jene, die durch Samples ergänzt werden, sogenannte <a href="Tracker_(Musik)" title="Tracker (Musik)">Trackermodule</a>.
</p><p>Einen anderen Ansatz Audiodaten zu speichern stellt die <a href="Parametrische_Audiokodierung" title="Parametrische Audiokodierung">parametrische Audiokodierung</a> dar. Manche Sprach-<a href="Codec" title="Codec">Codecs</a> nutzen teilweise diesen Ansatz, und mit Harmonic and Individual Lines and Noise (HILN, MPEG-4 Parametric Audio Coding) soll ein Audioformat danach realisiert und standardisiert werden.
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<div class="mw-heading mw-heading2"><h2 id="Datenreduktion_oder_Datenkompression">Datenreduktion oder Datenkompression</h2></div>
<div class="hauptartikel" role="navigation"><span class="hauptartikel-pfeil" title="siehe" aria-hidden="true" role="presentation">→ </span><i><span class="hauptartikel-text">Hauptartikel</span>: <a href="Audiodatenkompression" title="Audiodatenkompression">Audiodatenkompression</a></i></div>
<p>Sind die Daten <a href="Datenkompression" title="Datenkompression">komprimiert</a>, so wird zwischen <i><a href="Verlustfreie_Audiodatenkompression#Verlustfreie_Audiodatenkompression" class="mw-redirect" title="Verlustfreie Audiodatenkompression">verlustfreien</a></i> und <i>verlustbehaftet komprimierten</i> Formaten unterschieden.<br>
Unkomprimierte Formate (in der Regel <a href="Puls-Code-Modulation" title="Puls-Code-Modulation">PCM</a>), verlustfrei komprimierte und verlustbehaftet komprimierte Formate können aber auch gemeinsam in sogenannten <a href="Containerformat" title="Containerformat">Containerdateien</a> (<a href="Audio_Interchange_File_Format" title="Audio Interchange File Format">AIFF</a>, <a href="MP4" title="MP4">MP4</a>, <a href="Matroska" title="Matroska">Matroska</a>, <a href="Ogg" title="Ogg">Ogg</a>, <a href="RIFF_WAVE" title="RIFF WAVE">WAV</a> und anderen) untergebracht werden.
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<div class="mw-heading mw-heading2"><h2 id="Liste_gängiger_Audioformate"><span id="Liste_g.C3.A4ngiger_Audioformate"></span>Liste gängiger Audioformate</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Unkomprimiert">Unkomprimiert</h3></div>
<ul><li>Lineare <a href="Puls-Code-Modulation" title="Puls-Code-Modulation">Puls-Code-Modulation</a> in verschiedenen Erscheinungsformen:
<ul><li>Rohdaten (.pcm)</li>
<li>in <a href="Audio_Interchange_File_Format" title="Audio Interchange File Format">Audio Interchange File Format</a> (AIFF, <a href="Containerformat" title="Containerformat">Containerformat</a>) (.aif, .aiff, .aifc, .ief, .snd)</li>
<li>in Au-Container (.au)</li>
<li>in <a href="Resource_Interchange_File_Format" title="Resource Interchange File Format">Resource Interchange File Format</a>: <a href="RIFF_WAVE" title="RIFF WAVE">RIFF WAVE</a> (Containerformat) (.wav)</li>
<li><a href="Audio-CD" class="mw-redirect" title="Audio-CD">CompactDisc-Digital Audio</a></li></ul></li>
<li>.aud</li>
<li>.svx</li>
<li>.voc – „<a href="VOC_(Audiocodec)" title="VOC (Audiocodec)">Creative Voice File</a>“ – „Creative Labs <a href="Sound_Blaster" title="Sound Blaster">Sound Blaster</a> (Pro)“-Dateiformat für Sprache</li>
<li>IFF-8SVX</li>
<li>IFF-16SV</li>
<li>.smp – SampleVision Format, 16-Bit, mono</li>
<li><a href="Pulsamplitudenmodulation" title="Pulsamplitudenmodulation">Pulsamplitudenmodulation</a> (PAM)</li></ul>
<div class="mw-heading mw-heading3"><h3 id="Komprimierte_Formate">Komprimierte Formate</h3></div>
<div class="mw-heading mw-heading4"><h4 id="Verlustfrei">Verlustfrei</h4></div>
<ul><li>Advanced Digital Audio (ADA)</li>
<li><a href="Apple_Lossless" title="Apple Lossless">Apple Lossless</a> Audio Codec (ALAC), auch: <i>Apple Lossless Encoding</i> <i>Apple Lossless</i> (.m4a, .mp4)</li>
<li>Bonk (Codec)</li>
<li>Dakx WAV</li>
<li><a href="Direct_Stream_Transfer" title="Direct Stream Transfer">Direct Stream Transfer</a> (DST)</li>
<li><a href="Dolby_TrueHD" title="Dolby TrueHD">Dolby TrueHD</a> (erweitertes MLP)</li>
<li><a href="DTS-HD" class="mw-redirect" title="DTS-HD">DTS-HD</a> – optionales verlustfreies <a href="Raumklang" title="Raumklang">Raumklang</a>-Format für <a href="HD_DVD" title="HD DVD">HD DVD</a> und <a href="Blu-ray_Disc" title="Blu-ray Disc">Blu-ray Disc</a>, wurde zuvor auch als <i>DTS++</i> bekannt</li>
<li>Entis Lab MIO</li>
<li><a href="Free_Lossless_Audio_Codec" title="Free Lossless Audio Codec">Free Lossless Audio Codec</a> (.flac, .fla, ggf. .ogg)</li>
<li>LiteWave</li>
<li>LosslessAudio</li>
<li><a href="Lossless_Predictive_Audio_Compression" title="Lossless Predictive Audio Compression">Lossless Predictive Audio Compression</a> (LPAC) (.pac)</li>
<li><a href="Lossless_Transform_Audio_Compression" title="Lossless Transform Audio Compression">Lossless Transform Audio Compression</a> (LTAC)</li>
<li>Marian's a-Pac</li>
<li><a href="Meridian_Lossless_Packing" title="Meridian Lossless Packing">Meridian Lossless Packing</a> (MLP), auch <i>Packed PCM (PPCM)</i></li>
<li><a href="Monkey%E2%80%99s_Audio" title="Monkey’s Audio">Monkey’s Audio</a> (.ape, .mac)</li>
<li><a href="MPEG-4_Audio_Lossless_Coding" title="MPEG-4 Audio Lossless Coding">MPEG-4 Audio Lossless Coding</a> (MPEG-4 ALS)</li>
<li><a href="OptimFROG" title="OptimFROG">OptimFROG</a> (.ofr [.ofs])</li>
<li><a href="Original_Sound_Quality" title="Original Sound Quality">Original Sound Quality</a> (.osq)</li>
<li>Pegasus SPS</li>
<li><a href="RealAudio" title="RealAudio">RealAudio</a> Lossless (.ra, in Matroska-Container ggf. .mka)</li>
<li>RK Audio (RKAU)</li>
<li><a href="Shorten" title="Shorten">Shorten</a> (.shn)</li>
<li>Sonarc</li>
<li>Split2000</li>
<li><a href="True_Audio" title="True Audio">True Audio</a> (.tta)</li>
<li>VocPack</li>
<li>WavArc</li>
<li>WaveZip/MUSICompress</li>
<li><a href="WavPack" title="WavPack">WavPack</a> (.wv)</li>
<li><a href="Windows_Media_Audio" title="Windows Media Audio">Windows Media Audio</a> Lossless (.wma)</li></ul>
<dl><dd>Siehe auch: <a href="Audiodatenkompression#Verlustfreie_Audioformate" title="Audiodatenkompression">Audiodatenkompression#Verlustfreie Audioformate</a></dd></dl>
<div class="mw-heading mw-heading4"><h4 id="Verlustbehaftete_Datenreduktion">Verlustbehaftete Datenreduktion</h4></div>
<ul><li><a href="Adaptive_Differential_Pulse_Code_Modulation" title="Adaptive Differential Pulse Code Modulation">Adaptive Differential <i>(oder </i>Delta<i>)</i> Pulse Code Modulation</a> (ADPCM) (je nach Container .aif/.aiff, .au, .wav u. a.)</li>
<li>.vox - Dialogic ADPCM</li>
<li><a href="ADX_(Audio)" title="ADX (Audio)">ADX</a></li>
<li>Adaptive Rate-Distortion Optimized Sound Coder (ARDOR)</li>
<li><a href="Adaptive_Transform_Acoustic_Coding" title="Adaptive Transform Acoustic Coding">Adaptive Transform Acoustic Coding</a> (ATRAC)</li>
<li><a href="Digital_Theater_Systems" class="mw-redirect" title="Digital Theater Systems">DTS</a> Coherent Acoustics (.dts)</li>
<li><a href="Dolby_Digital" title="Dolby Digital">Dolby Digital</a>, auch <i>A/52</i> oder <i>AC-3</i> (.ac3)</li>
<li><a href="A-law" title="A-law">A-law</a> (je nach Container .aif/.aiff, .au, .wav u. a.)</li>
<li><a href="%CE%9C-law" title="Μ-law">μ-law</a> (je nach Container .aif/.aiff, .au, .wav u. a.)</li>
<li>MPEG 1/2/2.5 Audio
<ul><li><a href="MPEG-1_Audio_Layer_1" title="MPEG-1 Audio Layer 1">MPEG-1 Audio Layer 1</a> (.mp1)</li>
<li><a href="MPEG-1_Audio_Layer_2" title="MPEG-1 Audio Layer 2">MPEG-1 Audio Layer 2</a> (.mp2)</li>
<li><a href="MP3" title="MP3">MPEG-1 Audio Layer 3 (MP3)</a> (.mp3)</li></ul></li>
<li>MPEG 2/4 Audio
<ul><li><a href="Advanced_Audio_Coding" title="Advanced Audio Coding">Advanced Audio Coding</a> (.aac, .mp4, .m4a)</li>
<li><a href="MPEG-4_High_Efficiency_Advanced_Audio_Coding" title="MPEG-4 High Efficiency Advanced Audio Coding">High Efficiency Advanced Audio Coding</a> (HE-AAC), auch <i>aacPlus</i> oder <i>AAC+</i></li>
<li>Harmonic and Individual Lines and Noise (HILN, MPEG-4 <a href="Parametric_Audio_Coding" class="mw-redirect" title="Parametric Audio Coding">Parametric Audio Coding</a>)</li></ul></li>
<li><a href="Musepack" title="Musepack">Musepack</a> (.mpc, .mp+, .mpp)</li>
<li>Perceptual Audio Coding</li>
<li><a href="QDesign_Music_Codec" title="QDesign Music Codec">QDesign Music Codec</a> (QDMC)</li>
<li><a href="RealAudio" title="RealAudio">RealAudio</a> (.ra)</li>
<li><a href="TwinVQ" title="TwinVQ">TwinVQ</a> (.vqf)</li>
<li>Ogg-<a href="Vorbis" title="Vorbis">Vorbis</a> (.ogg)</li>
<li><a href="Opus_(Audioformat)" title="Opus (Audioformat)">Opus</a> (.opus)</li>
<li><a href="Windows_Media_Audio" title="Windows Media Audio">Windows Media Audio</a> (.wma)</li></ul>
<dl><dd>Siehe auch: <a href="Audiodatenkompression#Verlustbehaftete_Audioformate" title="Audiodatenkompression">Audiodatenkompression#Verlustbehaftete Audioformate</a></dd></dl>
<div class="mw-heading mw-heading3"><h3 id="Sprachcodecs">Sprachcodecs</h3></div>
<ul><li><a href="Advanced_Multi-Band_Excitation" title="Advanced Multi-Band Excitation">Advanced Multi-Band Excitation</a> (AMBE)</li>
<li><a href="Code-Excited_Linear_Prediction" title="Code-Excited Linear Prediction">Code-Excited Linear Prediction</a> (CELP)</li>
<li><a href="Codec2" title="Codec2">Codec2</a> (Patentfrei, LGPL)</li>
<li><a href="Digital_Speech_Standard" title="Digital Speech Standard">Digital Speech Standard</a> (DSS)</li>
<li>Enhanced Variable Rate Codec (EVRC)</li>
<li>FS-1015 (LPC-10)</li>
<li>FS-1016 (CELP)</li>
<li><a href="Internationale_Fernmeldeunion" title="Internationale Fernmeldeunion">ITU-T</a>-Standards:
<ul><li><a href="G.711" title="G.711">G.711</a>
<ul><li>G.711a – <a href="A-law" title="A-law">A-law</a></li>
<li>G.711u – <a href="%CE%9C-law" title="Μ-law">μ-law</a></li></ul></li>
<li>G.721 (32 kbit/s ADPCM, abgelöst durch G.726)</li>
<li><a href="G.722" title="G.722">G.722</a> (ADPCM-basiert)</li>
<li><a href="G.722.1" title="G.722.1">G.722.1</a> (Transformations-basiert)</li>
<li><a href="G.722.2" class="mw-redirect" title="G.722.2">G.722.2</a> (AMR-WB, CELP-basiert)</li>
<li><a href="G.723" class="mw-redirect" title="G.723">G.723</a> (24 und 40 kbit/s DPCM, Erweiterung von G.721, abgelöst durch G.726)
<ul><li>G.723.1 (MPC-MLQ oder <a href="Algebraic_Code_Excited_Linear_Prediction" title="Algebraic Code Excited Linear Prediction">ACELP</a>)</li></ul></li>
<li><a href="G.726" title="G.726">G.726</a> (ADPCM)</li>
<li><a href="G.728" title="G.728">G.728</a> (LD-CELP)</li>
<li><a href="G.729" title="G.729">G.729</a> (CS-ACELP)
<ul><li>G.729a (in der Komplexität reduzierte Variante)</li>
<li>G.729.1 (breitbandige Variante)</li></ul></li></ul></li>
<li><a href="Global_System_for_Mobile_Communications" title="Global System for Mobile Communications">Global System for Mobile Communications</a> (GSM):
<ul><li><a href="Global_System_for_Mobile_Communications#Full-Rate-Codec_(FR)" title="Global System for Mobile Communications">Full Rate Codec</a> (FR)</li>
<li><a href="Global_System_for_Mobile_Communications#Half-Rate-Codec_(HR)" title="Global System for Mobile Communications">Half Rate Codec</a> (HR)</li>
<li><a href="Global_System_for_Mobile_Communications#Enhanced_Full-Rate-Codec_(EFR)" title="Global System for Mobile Communications">Enhanced Full Rate Codec</a> (EFR)</li>
<li><a href="Global_System_for_Mobile_Communications#Adaptive_Multirate_Codec_(AMR)" title="Global System for Mobile Communications">Adaptive Multirate Codec</a> (AMR) (.amr)
<ul><li><a href="Adaptive_Multi-Rate#Adaptive_Multi-Rate_Wideband_(AMR-WB)" title="Adaptive Multi-Rate">Adaptive Multirate wide Band</a> (AMR-WB)</li></ul></li></ul></li>
<li><a href="Harmonic_Vector_Excitation_Coding" title="Harmonic Vector Excitation Coding">Harmonic Vector Excitation Coding</a> (HVXC)</li>
<li><a href="Internet_Low_Bitrate_Codec" title="Internet Low Bitrate Codec">internet Low Bitrate Codec</a> (iLBC)</li>
<li>Improved Multi-Band Excitation (IMBE)</li>
<li><a href="Internet_Speech_Audio_Codec" title="Internet Speech Audio Codec">internet Speech Audio Codec</a> (iSAC)</li>
<li><a href="Mixed-Excitation_Linear_Predictive" title="Mixed-Excitation Linear Predictive">Mixed-Excitation Linear Predictive</a> (MELP)</li>
<li>QCELP (auch <i>Qualcomm PureVoice</i>)</li>
<li>Relaxed Code Excited Linear Prediction (RCELP)</li>
<li>Selectable Mode Vocoder (SMV)</li>
<li><a href="Speex" title="Speex">Speex</a> (.spx, ggf. .ogg)</li>
<li><a href="SILK" title="SILK">SILK</a></li>
<li>Vector Sum Excited Linear Prediction (VSELP)</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Siehe_auch">Siehe auch</h2></div>
<ul><li><a href="Liste_von_Dateinamenserweiterungen" title="Liste von Dateinamenserweiterungen">Liste von Dateinamenserweiterungen</a></li>
<li><a href="Videoformat" title="Videoformat">Videoformat</a></li>
<li><a href="Streaming-Format" title="Streaming-Format">Streaming-Format</a></li>
<li><a href="Audioeditor" title="Audioeditor">Audioeditor</a> (u. a. auch zur Formatkonvertierung einsetzbar)</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="http://www.mpex.net/info/formate.html">Übersicht und Erläuterungen zu den populärsten Audioformaten</a></li>
<li><a rel="nofollow" class="external text" href="http://sourceforge.net/project/showfiles.php?group_id=200670&package_id=240625">Audio Formats Reference</a> (engl., <a href="Creative_Commons" title="Creative Commons">CC</a>)</li>
<li><a rel="nofollow" class="external text" href="http://wiki.hydrogenaudio.org/">Hydrogenaudio Knowledgebase</a> Themen-<a href="Wiki" title="Wiki">Wiki</a> zur Audiotechnologie (englisch)</li></ul></div><!--htdig_noindex--><div><div class="zim-footer">
Dieser Artikel wurde von <a class="external text" title="Zuletzt bearbeitet am 2025-11-26" href="https://de.wikipedia.org/wiki/?title=Audioformat&oldid=261905973">Wikipedia</a> herausgegeben. Der Text ist unter <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.de">Creative Commons Attribution-Share Alike 4.0</a> verfügbar, sofern nicht anders angegeben. Für die Mediendateien können zusätzliche Bedingungen gelten.
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