# Transcoder v1 API - Class AudioStream (2.12.0)

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- [2.0.0](https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/2.0.0/Google.Cloud.Video.Transcoder.V1.AudioStream)
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    public sealed class AudioStream : IMessage<AudioStream>, IEquatable<AudioStream>, IDeepCloneable<AudioStream>, IBufferMessage, IMessage

Reference documentation and code samples for the Transcoder v1 API class AudioStream.

Audio stream resource.

## Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) \> AudioStream

## Implements

[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[AudioStream](https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[AudioStream](https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[AudioStream](https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html)

## Inherited Members

[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) [object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) [object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)

## Namespace

[Google.Cloud.Video.Transcoder.V1](https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1)

## Assembly

Google.Cloud.Video.Transcoder.V1.dll

## Constructors

### AudioStream()

    public AudioStream()

### AudioStream(AudioStream)

    public AudioStream(AudioStream other)

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `other` | `https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream` |

## Properties

### BitrateBps

    public int BitrateBps { get; set; }

Required. Audio bitrate in bits per second. Must be between 1 and
10,000,000.

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.int32` |   |

### ChannelCount

    public int ChannelCount { get; set; }

Number of audio channels. Must be between 1 and 6. The default is 2.

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.int32` |   |

### ChannelLayout

    public RepeatedField<string> ChannelLayout { get; }

A list of channel names specifying layout of the audio channels.
This only affects the metadata embedded in the container headers, if
supported by the specified format. The default is `["fl", "fr"]`.

Supported channel names:

- `fl` - Front left channel
- `fr` - Front right channel
- `sl` - Side left channel
- `sr` - Side right channel
- `fc` - Front center channel
- `lfe` - Low frequency

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.Collections.RepeatedField-1.htmlhttps://learn.microsoft.com/dotnet/api/system.string` |   |

### Codec

    public string Codec { get; set; }

The codec for this audio stream. The default is `aac`.

Supported audio codecs:

- `aac`
- `aac-he`
- `aac-he-v2`
- `mp3`
- `ac3`
- `eac3`
- `vorbis`

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.string` |   |

### DisplayName

    public string DisplayName { get; set; }

The name for this particular audio stream that
will be added to the HLS/DASH manifest. Not supported in MP4 files.

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.string` |   |

### LanguageCode

    public string LanguageCode { get; set; }

The BCP-47 language code, such as `en-US` or `sr-Latn`. For more
information, see
<https://www.unicode.org/reports/tr35/#Unicode_locale_identifier>. Not
supported in MP4 files.

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.string` |   |

### Mapping

    public RepeatedField<AudioStream.Types.AudioMapping> Mapping { get; }

The mapping for the
\[JobConfig.edit_list\]\[google.cloud.video.transcoder.v1.JobConfig.edit_list\]
atoms with audio
\[EditAtom.inputs\]\[google.cloud.video.transcoder.v1.EditAtom.inputs\].

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.Collections.RepeatedField-1.htmlhttps://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStreamhttps://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream.Typeshttps://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Video.Transcoder.V1/latest/Google.Cloud.Video.Transcoder.V1.AudioStream.Types.AudioMapping` |   |

### SampleRateHertz

    public int SampleRateHertz { get; set; }

The audio sample rate in Hertz. The default is 48000 Hertz.

| **Property Value** ||
|---|---|
| **Type** | **Description** |
| `https://learn.microsoft.com/dotnet/api/system.int32` |   |