# audioDecoderConfigFromTrack

URL: https://www.caprid.com/docs/reference/typescript/caprid/moq-media/functions/audiodecoderconfigfromtrack/

```ts
function audioDecoderConfigFromTrack(track): AudioDecoderConfig;
```

Defined in: [webcodecs.ts:53](https://github.com/caprids/relay-sdks/blob/main/ts/packages/moq-media/src/webcodecs.ts#L53)

The decoder config for a catalog's audio track: its codec, sample rate (default 48 kHz) and channel count (default
2), and its init data as the description.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `track` | [`MsfCatalogTrack`](https://www.caprid.com/docs/reference/typescript/caprid/moq-media/interfaces/msfcatalogtrack/) |

## Returns

`AudioDecoderConfig`