> **Experimental**
>
> `@aws-cdk/aws-medialive-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# AudioChannelMapping

A mapping from input channels to an output channel.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/encode-configuration.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-medialive-alpha/lib/encode-configuration.ts#L283)

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as medialive_alpha from '@aws-cdk/aws-medialive-alpha';
const audioChannelMapping: medialive_alpha.AudioChannelMapping = {
  inputChannelLevels: [{
    inputChannel: 123,

    // the properties below are optional
    gain: 123,
  }],
  outputChannel: 123,
};
```

## Properties

- `inputChannelLevels`: [InputChannelLevel](/cdk/api/v2/docs/@aws-cdk_aws-medialive-alpha.InputChannelLevel.html)[] (required) — The input channels and their gain levels to mix into this output channel.

- `outputChannel`: number (required) — The index of the output channel being produced.