> **Experimental**
>
> `@aws-cdk/aws-medialive-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# Av1RateControl

AV1 rate control.

AV1 supports QVBR and CBR.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/video-codec-settings.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-medialive-alpha/lib/video-codec-settings.ts#L1095)

## 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';
import * as cdk from 'aws-cdk-lib';

declare const bitrate: cdk.Bitrate;
const av1RateControl = medialive_alpha.Av1RateControl.cbr({
  bitrate: bitrate,
});
```

## Methods

- `cbr(props: CbrRateControlProps): Av1RateControl // chainable` (static) — Constant bitrate.

- `qvbr(props: QvbrRateControlProps): Av1RateControl // chainable` (static) — Quality-defined variable bitrate.