--- title: audio description: Describes audio file. Audio is usually in mp3 format --- ## Constructor: audio [Back to constructors index](index.md) Describes audio file. Audio is usually in mp3 format ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |duration|[int](../types/int.md) | Yes|Duration of the audio in seconds as defined by sender| |title|[string](../types/string.md) | Yes|Title of the audio as defined by sender| |performer|[string](../types/string.md) | Yes|Performer of the audio as defined by sender| |file\_name|[string](../types/string.md) | Yes|Original name of a file as defined by sender| |mime\_type|[string](../types/string.md) | Yes|MIME type of a file as defined by sender| |album\_cover\_thumb|[photoSize](../types/photoSize.md) | Yes|Thumb of the album's cover as defined by sender. Full size thumb should be extracted from the downloaded file, nullable| |audio|[file](../types/file.md) | Yes|File with the audio| ### Type: [Audio](../types/Audio.md)