Audio

The Audio tag plays a simple audio file. Use this tag for basic audio annotation tasks such as classification or transcription.

Use with the following data types: audio.

Parameters

Param	Type	Default	Description
name	string		Name of the element
value	string		Data field containing path or a URL to the audio
hotkey	string		Hotkey used to play or pause audio
[cursorwidth]	string	1	Audio pane cursor width. It is measured in pixels.
[cursorcolor]	string	"#333"	Audio pane cursor color. The color should be specified in hex decimal string

Sample Results JSON

Name	Type	Description
original_length	number	length of the original audio (seconds)
value	Object
value.start	number	start time of the fragment (seconds)
value.end	number	end time of the fragment (seconds)
value.channel	number	channel identifier which was targeted

Example JSON

{
  "original_length": 18,
  "value": {
    "start": 3.1,
    "end": 8.2,
    "channel": 0,
    "labels": ["Voice"]
  }
}

Example

Play audio on the labeling interface

<View>
  <Audio name="audio" value="$audio" />
</View>

Example

Audio classification

<View>
  <Audio name="audio" value="$audio" />
  <Choices name="ch" toName="audio">
    <Choice value="Positive" />
    <Choice value="Negative" />
  </Choices>
</View>

Example

Audio transcription

<View>
  <Audio name="audio" value="$audio" />
  <TextArea name="ta" toName="audio" />
</View>