> **Experimental**
>
> `@aws-cdk/aws-medialive-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# Fmp4HlsSettingsProps

Properties for fMP4 HLS settings.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/m3u8-settings.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-medialive-alpha/lib/m3u8-settings.ts#L332)

## 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';

declare const m3u8NielsenId3Behavior: medialive_alpha.M3u8NielsenId3Behavior;
declare const m3u8TimedMetadataBehavior: medialive_alpha.M3u8TimedMetadataBehavior;
const fmp4HlsSettingsProps: medialive_alpha.Fmp4HlsSettingsProps = {
  audioRenditionSets: 'audioRenditionSets',
  nielsenId3Behavior: m3u8NielsenId3Behavior,
  timedMetadataBehavior: m3u8TimedMetadataBehavior,
};
```

## Properties

- `audioRenditionSets`: string — The audio GROUP-IDs used with this video output stream, comma-separated.

  **Default:** service default

- `nielsenId3Behavior`: [M3u8NielsenId3Behavior](/cdk/api/v2/docs/@aws-cdk_aws-medialive-alpha.M3u8NielsenId3Behavior.html) — Nielsen ID3 passthrough behavior.

  **Default:** service default

- `timedMetadataBehavior`: [M3u8TimedMetadataBehavior](/cdk/api/v2/docs/@aws-cdk_aws-medialive-alpha.M3u8TimedMetadataBehavior.html) — Timed-metadata passthrough behavior.

  **Default:** service default