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+---
+title: BaseAudioContext.createBiquadFilter()
+slug: Web/API/BaseAudioContext/createBiquadFilter
+translation_of: Web/API/BaseAudioContext/createBiquadFilter
+---
+<p>{{ APIRef("Web Audio API") }}</p>
+
+<div>
+<p>El metodo <code>createBiquadFilter()</code> de la interfaz {{ domxref("BaseAudioContext") }} crea un {{ domxref("BiquadFilterNode") }}, el cual representa un filtro de segundo orden configurable, asi como varios tipos de filtros comunes diferentes.</p>
+</div>
+
+<h2 id="Sintaxis">Sintaxis</h2>
+
+<pre class="brush: js">var audioCtx = new AudioContext();
+var biquadFilter = audioCtx.createBiquadFilter();</pre>
+
+<h3 id="Description" name="Description">Retorna</h3>
+
+<p>Un {{domxref("BiquadFilterNode")}}.</p>
+
+<h2 id="Example" name="Example">Ejemplo</h2>
+
+<p>El siguiente ejemplo muestra el uso básico de un AudioContext para crear un nodo de filtro Biquad. Para ver el ejemplo trabanjando completamente, mire nuestra demostración <a href="http://mdn.github.io/voice-change-o-matic/">voice-change-o-matic</a> (mirar tambien <a href="https://github.com/mdn/voice-change-o-matic">source code</a>).</p>
+
+<pre class="brush: js">var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+
+// Configurar los diferentes nodos de audio que usaremos para la aplicación.
+var analyser = audioCtx.createAnalyser();
+var distortion = audioCtx.createWaveShaper();
+var gainNode = audioCtx.createGain();
+var biquadFilter = audioCtx.createBiquadFilter();
+var convolver = audioCtx.createConvolver();
+
+// conectar los nodos juntos
+
+source = audioCtx.createMediaStreamSource(stream);
+source.connect(analyser);
+analyser.connect(distortion);
+distortion.connect(biquadFilter);
+biquadFilter.connect(convolver);
+convolver.connect(gainNode);
+gainNode.connect(audioCtx.destination);
+
+// Manipule el filtro Biquad
+
+biquadFilter.type = "lowshelf";
+biquadFilter.frequency.value = 1000;
+biquadFilter.gain.value = 25;</pre>
+
+<h2 id="Especificaciones">Especificaciones</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Especificaciones</th>
+   <th scope="col">Estados</th>
+   <th scope="col">Comentario</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Web Audio API', '#dom-baseaudiocontext-createbiquadfilter', 'createBiquadFilter()')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidad_con_el_navegador">Compatibilidad con el navegador</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Soporte básico</td>
+   <td>{{CompatChrome(10.0)}}{{property_prefix("webkit")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop(25.0)}} </td>
+   <td>{{CompatNo}}</td>
+   <td>15.0 {{property_prefix("webkit")}}<br>
+    22</td>
+   <td>6.0{{property_prefix("webkit")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Android</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+   <th>Chrome for Android</th>
+  </tr>
+  <tr>
+   <td>Soporte básico</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>26.0</td>
+   <td>1.2</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>33.0</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Ver_tambien">Ver tambien</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li>
+</ul>
diff --git a/files/es/web/api/baseaudiocontext/index.html b/files/es/web/api/baseaudiocontext/index.html
new file mode 100644
index 0000000000..593f535ef0
--- /dev/null
+++ b/files/es/web/api/baseaudiocontext/index.html
@@ -0,0 +1,293 @@
+---
+title: BaseAudioContext
+slug: Web/API/BaseAudioContext
+tags:
+  - API
+  - Audio
+  - BaseAudioContext
+  - Interface
+  - NeedsTranslation
+  - Reference
+  - TopicStub
+  - Web Audio API
+translation_of: Web/API/BaseAudioContext
+---
+<p>{APIRef("Web Audio API")}}</p>
+
+
+<p>The <code>BaseAudioContext</code> interface acts as a base definition for online and offline audio-processing graphs, as represented by {{domxref("AudioContext")}} and {{domxref("OfflineAudioContext")}} resepectively. You wouldn't use <code>BaseAudioContext</code> directly — you'd use its features via one of these two inheriting interfaces.</p>
+
+<p>A <code>BaseAudioContext</code> can be a target of events, therefore it implements the {{domxref("EventTarget")}} interface.</p>
+
+<p>{{InheritanceDiagram}}</p>
+
+<h2 id="Properties">Properties</h2>
+
+<dl>
+ <dt>{{domxref("BaseAudioContext.baseLatency")}} {{readonlyinline}}</dt>
+ <dd>Returns a double epresents the number of seconds of processing latency incurred by the AudioContext passing the audio from the AudioDestinationNode to the audio subsystem. </dd>
+ <dt>{{domxref("BaseAudioContext.currentTime")}} {{readonlyInline}}</dt>
+ <dd>Returns a double representing an ever-increasing hardware time in seconds used for scheduling. It starts at <code>0</code>.</dd>
+ <dt>{{domxref("BaseAudioContext.destination")}} {{readonlyInline}}</dt>
+ <dd>Returns an {{domxref("AudioDestinationNode")}} representing the final destination of all audio in the context. It can be thought of as the audio-rendering device.</dd>
+ <dt>{{domxref("BaseAudioContext.listener")}} {{readonlyInline}}</dt>
+ <dd>Returns the {{domxref("AudioListener")}} object, used for 3D spatialization.</dd>
+ <dt>{{domxref("BaseAudioContext.sampleRate")}} {{readonlyInline}}</dt>
+ <dd>Returns a float representing the sample rate (in samples per second) used by all nodes in this context. The sample-rate of an {{domxref("AudioContext")}} cannot be changed.</dd>
+ <dt>{{domxref("BaseAudioContext.state")}} {{readonlyInline}}</dt>
+ <dd>Returns the current state of the <code>AudioContext</code>.</dd>
+</dl>
+
+<h3 id="Event_handlers">Event handlers</h3>
+
+<dl>
+ <dt>{{domxref("BaseAudioContext.onstatechange")}}</dt>
+ <dd>An event handler that runs when an event of type {{event("statechange")}} has fired. This occurs when the <code>AudioContext</code>'s state changes, due to the calling of one of the state change methods ({{domxref("AudioContext.suspend")}}, {{domxref("AudioContext.resume")}}, or {{domxref("AudioContext.close")}}).</dd>
+</dl>
+
+<h2 id="Methods">Methods</h2>
+
+<p><em>Also implements methods from the interface </em>{{domxref("EventTarget")}}.</p>
+
+<dl>
+ <dt>{{domxref("BaseAudioContext.createBuffer()")}}</dt>
+ <dd>Creates a new, empty {{ domxref("AudioBuffer") }} object, which can then be populated by data and played via an {{ domxref("AudioBufferSourceNode") }}.</dd>
+ <dt>{{domxref("BaseAudioContext.createConstantSource()")}}</dt>
+ <dd>Creates a {{domxref("ConstantSourceNode")}} object, which is an audio source that continuously outputs a monaural (one-channel) sound signal whose samples all have the same value.</dd>
+ <dt>{{domxref("BaseAudioContext.createBufferSource()")}}</dt>
+ <dd>Creates an {{domxref("AudioBufferSourceNode")}}, which can be used to play and manipulate audio data contained within an {{ domxref("AudioBuffer") }} object. {{ domxref("AudioBuffer") }}s are created using {{domxref("AudioContext.createBuffer")}} or returned by {{domxref("AudioContext.decodeAudioData")}} when it successfully decodes an audio track.</dd>
+ <dt>{{domxref("BaseAudioContext.createScriptProcessor()")}}</dt>
+ <dd>Creates a {{domxref("ScriptProcessorNode")}}, which can be used for direct audio processing via JavaScript.</dd>
+ <dt>{{domxref("BaseAudioContext.createStereoPanner()")}}</dt>
+ <dd>Creates a {{domxref("StereoPannerNode")}}, which can be used to apply stereo panning to an audio source.</dd>
+ <dt>{{domxref("BaseAudioContext.createAnalyser()")}}</dt>
+ <dd>Creates an {{domxref("AnalyserNode")}}, which can be used to expose audio time and frequency data and for example to create data visualisations.</dd>
+ <dt>{{domxref("BaseAudioContext.createBiquadFilter()")}}</dt>
+ <dd>Creates a {{domxref("BiquadFilterNode")}}, which represents a second order filter configurable as several different common filter types: high-pass, low-pass, band-pass, etc.</dd>
+ <dt>{{domxref("BaseAudioContext.createChannelMerger()")}}</dt>
+ <dd>Creates a {{domxref("ChannelMergerNode")}}, which is used to combine channels from multiple audio streams into a single audio stream.</dd>
+ <dt>{{domxref("BaseAudioContext.createChannelSplitter()")}}</dt>
+ <dd>Creates a {{domxref("ChannelSplitterNode")}}, which is used to access the individual channels of an audio stream and process them separately.</dd>
+ <dt>{{domxref("BaseAudioContext.createConvolver()")}}</dt>
+ <dd>Creates a {{domxref("ConvolverNode")}}, which can be used to apply convolution effects to your audio graph, for example a reverberation effect.</dd>
+ <dt>{{domxref("BaseAudioContext.createDelay()")}}</dt>
+ <dd>Creates a {{domxref("DelayNode")}}, which is used to delay the incoming audio signal by a certain amount. This node is also useful to create feedback loops in a Web Audio API graph.</dd>
+ <dt>{{domxref("BaseAudioContext.createDynamicsCompressor()")}}</dt>
+ <dd>Creates a {{domxref("DynamicsCompressorNode")}}, which can be used to apply acoustic compression to an audio signal.</dd>
+ <dt>{{domxref("BaseAudioContext.createGain()")}}</dt>
+ <dd>Creates a {{domxref("GainNode")}}, which can be used to control the overall volume of the audio graph.</dd>
+ <dt>{{domxref("BaseAudioContext.createIIRFilter()")}}</dt>
+ <dd>Creates an {{domxref("IIRFilterNode")}}, which represents a second order filter configurable as several different common filter types.</dd>
+ <dt>{{domxref("BaseAudioContext.createOscillator()")}}</dt>
+ <dd>Creates an {{domxref("OscillatorNode")}}, a source representing a periodic waveform. It basically generates a tone.</dd>
+ <dt>{{domxref("BaseAudioContext.createPanner()")}}</dt>
+ <dd>Creates a {{domxref("PannerNode")}}, which is used to spatialise an incoming audio stream in 3D space.</dd>
+ <dt>{{domxref("BaseAudioContext.createPeriodicWave()")}}</dt>
+ <dd>Creates a {{domxref("PeriodicWave")}}, used to define a periodic waveform that can be used to determine the output of an {{ domxref("OscillatorNode") }}.</dd>
+ <dt>{{domxref("BaseAudioContext.createWaveShaper()")}}</dt>
+ <dd>Creates a {{domxref("WaveShaperNode")}}, which is used to implement non-linear distortion effects.</dd>
+ <dt>{{domxref("BaseAudioContext.decodeAudioData()")}}</dt>
+ <dd>Asynchronously decodes audio file data contained in an {{domxref("ArrayBuffer")}}. In this case, the ArrayBuffer is usually loaded from an {{domxref("XMLHttpRequest")}}'s <code>response</code> attribute after setting the <code>responseType</code> to <code>arraybuffer</code>. This method only works on complete files, not fragments of audio files.</dd>
+ <dt>{{domxref("BaseAudioContext.resume()")}}</dt>
+ <dd>Resumes the progression of time in an audio context that has previously been suspended/paused.</dd>
+</dl>
+
+<h2 id="Examples">Examples</h2>
+
+<p>Basic audio context declaration:</p>
+
+<pre class="brush: js">var audioCtx = new AudioContext();</pre>
+
+<p>Cross browser variant:</p>
+
+<pre class="brush: js">var AudioContext = window.AudioContext || window.webkitAudioContext;
+var audioCtx = new AudioContext();
+
+var oscillatorNode = audioCtx.createOscillator();
+var gainNode = audioCtx.createGain();
+var finish = audioCtx.destination;
+// etc.</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Web Audio API', '#BaseAudioContext', 'BaseAudioContext')}}</td>
+   <td>{{Spec2('Web Audio API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>15.0{{property_prefix("webkit")}}<br>
+    22</td>
+   <td>6.0{{property_prefix("webkit")}}</td>
+  </tr>
+  <tr>
+   <td><code>baseLatency</code></td>
+   <td>{{CompatChrome(60)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td><code>createConstantSource()</code></td>
+   <td>{{CompatChrome(56)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatGeckoDesktop(52)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatOpera(43)}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td><code>createStereoPanner()</code></td>
+   <td>{{CompatChrome(42)}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop(37.0)}} </td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td><code>onstatechange</code>, <code>state</code>, <code>suspend()</code>, <code>resume()</code></td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop(40.0)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatSafari(8.0)}}</td>
+  </tr>
+  <tr>
+   <td>Unprefixed</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td> </td>
+   <td> </td>
+   <td> </td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android Webview</th>
+   <th>Chrome for Android</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>2.2</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td><code>baseLatency</code></td>
+   <td>{{CompatChrome(60)}}</td>
+   <td>{{CompatChrome(60)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td><code>createConstantSource()</code></td>
+   <td>{{CompatChrome(56)}}</td>
+   <td>{{CompatChrome(56)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatGeckoMobile(52)}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td><code>createStereoPanner()</code></td>
+   <td>{{CompatChrome(42)}}</td>
+   <td>{{CompatChrome(42)}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td><code>onstatechange</code>, <code>state</code>, <code>suspend()</code>, <code>resume()</code></td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+  <tr>
+   <td>Unprefixed</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatOperaMobile(43)}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li>
+ <li>{{domxref("AudioContext")}}</li>
+ <li>{{domxref("OfflineAudioContext")}}</li>
+</ul>