Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

FieldTypeDefaultUse
muteBooleanfalse

Set to true to mute the audio of the video currently playing in the Video node. Set to false to restore audio.

audioTrackstring""The track identifier of the audio being played. Reading this field will return the track identifier of the audio being played, and writing this value will change the audio track.
availableAudioTracksarray of associative arrays[ ]
empty array

Read-Only
Each associative array has the following entries:

Section
Column
width400px
KeyTypeValue
LanguagestringISO 639-2 three-letter language code
NamestringDescriptive name of the audio track
TrackstringThe track identifier. The value of this field may be used to select the audio track.
Is_playablebooleanSpecifies whether the track is playable by the host device according to the host device audio capabilities.

 

The field also retrieves audio description tracks which are typically seen on broadcast TV. An audio description track is mixed with the main audio track.

audioFormatstring"" 

Read-Only 
Contains the format of the currently playing audio.

Section
Column
ValueMeaning

""

No stream playing

none 

Stream contains no playable audio

unknown 

Stream contains unknown audio

aac 

ISO/IEC 14496-3, Advanced Audio Coding

aac_adif 

ISO/IEC 14496-3, Advanced Audio Coding, ADIF container

aac_adts 

ISO/IEC 14496-3, Advanced Audio Coding, ADTS container

aac_latm 

ISO/IEC 14496-3, Advanced Audio Coding, LATM container

ac3 

Dolby Digital

alac

Apple Lossless

dts 

DTS Coherent Acoustics

eac3 

Dolby Digital Plus

flac 

Free Lossless Audio Codec

mp2 

ISO/IEC 11172-3, MPEG Audio Layer II

mp3 

ISO/IEC 11172-3, MPEG Audio Layer III

pcm 

linear PCM

vorbis 

Ogg Vorbis

wma 

Microsoft Windows Media Audio

wmapro 

Microsoft Windows Media Pro Audio
supplementaryAudioVolumeint50
This field sets the volume of the description tracks separately from the main audio track. The field value can range from 0 to 100.

Available since firmware version 8.

...