***

id: 1a3e9c35-75fa-46ba-a573-5120dd033919
title: CallRecord.AudioParams
slug: /dotnet/reference/calling/call-record-audio-params
max-toc-depth: 3
----------------

[call-record-audio-params-audio-direction]: /docs/server-sdk/v2/dotnet/reference/calling/call-record-audio-direction

[call-record-audio-params-audio-format]: /docs/server-sdk/v2/dotnet/reference/calling/call-record-audio-format

# SignalWire.Relay.Calling.CallRecord.AudioParams

This object represents the parameters specific to audio recording.

## Constructor

The only constructor is the default constructor, properties should all be assigned by initializer or after construction.

**Parameters**

None

**Examples**

> Basic Example

```csharp
CallRecord record = new CallRecord
{
    Audio = new CallRecord.AudioParams
    {
        // Use default audio recording parameters
    }
};
```

## Properties

| Property            | Type                                                                                                          | Description                                                                                                                                   |
| ------------------- | ------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| `Beep`              | bool?                                                                                                         | Whether or not to include a beep at the start of the recording.<br />*Default: false*                                                         |
| `Format`            | [`SignalWire.Relay.Calling.CallRecord.AudioParams.AudioFormat`][call-record-audio-params-audio-format]?       | The format of the audio recording.<br />*Default: mp3*                                                                                        |
| `Stereo`            | bool?                                                                                                         | Whether to include stereo or only mono tracks in the audio recording.<br />*Default: false*                                                   |
| `Direction`         | [`SignalWire.Relay.Calling.CallRecord.AudioParams.AudioDirection`][call-record-audio-params-audio-direction]? | The direction to include in the audio recording, speak (what the caller says), listen (what the caller hears), or both.<br />*Default: speak* |
| `InitialTimeout`    | double?                                                                                                       | How long to wait in seconds until audio is detected to begin recording.<br />*Default: 5 seconds*<br />*Note: Disable with 0*                 |
| `EndSilenceTimeout` | double?                                                                                                       | How long to wait in seconds after audio is no longer detected to terminate recording.<br />*Default: 1 second*<br />*Note: Disable with 0*    |
| `Terminators`       | string                                                                                                        | A string of individual DTMF characters that can be used to terminate recording.<br />*Default: #\**                                           |

## Methods

None

## Events

None