NewPipeExtractor/extractor/src/main/java/org/schabi/newpipe/extractor/stream/AudioTrackType.java

package org.schabi.newpipe.extractor.stream;

/**
 * An enum representing the track type of an {@link AudioStream} extracted by a {@link
 * StreamExtractor}.
 */
public enum AudioTrackType {
    /**
     * An original audio track of the video.
     */
    ORIGINAL,

    /**
     * An audio track with the original voices replaced, typically in a different language.
     *
     * @see <a href="https://en.wikipedia.org/wiki/Dubbing">
     * https://en.wikipedia.org/wiki/Dubbing</a>
     */
    DUBBED,

    /**
     * A descriptive audio track.
     * <p>
     * A descriptive audio track is an audio track in which descriptions of visual elements of
     * a video are added to the original audio, with the goal to make a video more accessible to
     * blind and visually impaired people.
     * </p>
     *
     * @see <a href="https://en.wikipedia.org/wiki/Audio_description">
     * https://en.wikipedia.org/wiki/Audio_description</a>
     */
    DESCRIPTIVE
}