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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [WebAudio](./puppeteer.protocol.webaudio.md) &gt; [BaseAudioContext](./puppeteer.protocol.webaudio.baseaudiocontext.md)

## Protocol.WebAudio.BaseAudioContext interface

Protocol object for BaseAudioContext

<b>Signature:</b>

```typescript
export interface BaseAudioContext 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [callbackBufferSize](./puppeteer.protocol.webaudio.baseaudiocontext.callbackbuffersize.md) | number | Platform-dependent callback buffer size. |
|  [contextId](./puppeteer.protocol.webaudio.baseaudiocontext.contextid.md) | [GraphObjectId](./puppeteer.protocol.webaudio.graphobjectid.md) |  |
|  [contextState](./puppeteer.protocol.webaudio.baseaudiocontext.contextstate.md) | [ContextState](./puppeteer.protocol.webaudio.contextstate.md) |  |
|  [contextType](./puppeteer.protocol.webaudio.baseaudiocontext.contexttype.md) | [ContextType](./puppeteer.protocol.webaudio.contexttype.md) |  |
|  [maxOutputChannelCount](./puppeteer.protocol.webaudio.baseaudiocontext.maxoutputchannelcount.md) | number | Number of output channels supported by audio hardware in use. |
|  [realtimeData](./puppeteer.protocol.webaudio.baseaudiocontext.realtimedata.md) | [ContextRealtimeData](./puppeteer.protocol.webaudio.contextrealtimedata.md) |  |
|  [sampleRate](./puppeteer.protocol.webaudio.baseaudiocontext.samplerate.md) | number | Context sample rate. |