# `ExGram.Model.Audio`
[🔗](https://github.com/rockneurotiko/ex_gram/blob/0.64.0/lib/ex_gram.ex#L3801)

This object represents an audio file to be treated as music by the Telegram clients.

Check the [documentation of this model on Telegram Bot API](https://core.telegram.org/bots/api#audio)

- `file_id`: Identifier for this file, which can be used to download or reuse the file
- `file_unique_id`: Unique identifier for this file, which is supposed to be the same over time and for different bots. Can't be used to download or reuse the file.
- `duration`: Duration of the audio in seconds as defined by the sender
- `performer (optional)`: Optional. Performer of the audio as defined by the sender or by audio tags
- `title (optional)`: Optional. Title of the audio as defined by the sender or by audio tags
- `file_name (optional)`: Optional. Original filename as defined by the sender
- `mime_type (optional)`: Optional. MIME type of the file as defined by the sender
- `file_size (optional)`: Optional. File size in bytes. It can be bigger than 2^31 and some programming languages may have difficulty/silent defects in interpreting it. But it has at most 52 significant bits, so a signed 64-bit integer or double-precision float type are safe for storing this value.
- `thumbnail (optional)`: Optional. Thumbnail of the album cover to which the music file belongs

# `t`

```elixir
@type t() :: %ExGram.Model.Audio{
  duration: integer(),
  file_id: String.t(),
  file_name: String.t() | nil,
  file_size: integer() | nil,
  file_unique_id: String.t(),
  mime_type: String.t() | nil,
  performer: String.t() | nil,
  thumbnail: ExGram.Model.PhotoSize.t() | nil,
  title: String.t() | nil
}
```

# `decode_as`

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*Consult [api-reference.md](api-reference.md) for complete listing*