Insert and Extract Audio in PowerPoint using Java

readme.md

Learn how to insert or extract audio in PowerPoint using Java: https://blog.aspose.com/2021/08/21/insert-or-extract-audio-in-powerpoint-using-java/

extract-audio.java

// Load presentation
Presentation pres = new Presentation("AudioSlide.pptx");
try {
    // Access the desired slide
    ISlide slide = pres.getSlides().get_Item(0);
    
    // Get the slideshow transition effects for slide
    ISlideShowTransition transition = slide.getSlideShowTransition();
    
    // Extract sound in byte array
    byte[] audio = transition.getSound().getBinaryData();
    System.out.println("Length: " + audio.length);
} finally {
    if (pres != null) pres.dispose();
}

insert-audio.java

// Load or create presentation
Presentation pres = new Presentation("AudioFrameEmbed_out.pptx");
try {
    // Get the first slide
    ISlide sld = pres.getSlides().get_Item(0);

    // Load the wav sound file to stream
    FileInputStream fstr = new FileInputStream(new File("audio.wav"));

    // Add audio frame
    IAudioFrame audioFrame = sld.getShapes().addAudioFrameEmbedded(50, 150, 100, 100, fstr);
    fstr.close();

    // Change play mode to play on click
    audioFrame.setPlayMode(AudioPlayModePreset.OnClick);

    // Set volume to Low
    audioFrame.setVolume(AudioVolumeMode.Low);

    // Set audio to play across slides
    audioFrame.setPlayAcrossSlides(true);

    // Set audio to not loop
    audioFrame.setPlayLoopMode(false);

    // Hide AudioFrame during the slide show
    audioFrame.setHideAtShowing(true);

    // Rewind audio to start after playing
    audioFrame.setRewindAudio(true);

    // Save the PPTX file to disk
    pres.save("AudioFrameEmbed_changed.pptx", SaveFormat.Pptx);
} finally {
    if (pres != null) pres.dispose();
}