AVAudioComponent class
The AVAudioComponent class implements the [AVComponent](/references/shared-utility-classes-and-features/avcomponent-class) interface.
Properties
The additional properties of a AVAudioComponent Object are detailed in this section.
| readonly String language |
| An ISO 639-2 language code representing the language of the stream, as defined in [ISO 639-2]. For AVComponents corresponding to an MPEG DASH Adaptation Set, the language property shall be what is encoded in the MPD which may be an ISO 639-1 2-character language code and not an ISO 639-2 3-character language code. |
| readonly Boolean audioDescription |
| Has value true if the stream contains an audio description intended for people with a visual impairment, false otherwise. |
| readonly Integer audioChannels |
| Note: This property is deprecated in instances returned from an A/V control object. Indicates the number of main channels present in this stream (e.g. 2 for stereo, 5 for 5.1, 7 for 7.1). Potentially available low frequency effects channels are not included in this indication. |