Syncing of audio file while doing Lottie animation

Hello Everyone,
I’ve created an animated Christmas card using a Lottie animation and the Slider. Each slide moves the single Lottie animation to a different time stamp, and it works ok. I’d really like to add some sound effects to it, so do you know if there’s any way of syncing an audio file, that can also be controlled by the slider using custom animations? Ideally it would do the same as the Lottie file - time stamp at different places so it’s just one file to load rather than having 24 separate audio files.

I’m really keen to use this platform to create interactive picture books, but really need to get the audio working to bring them to life.
Thanks in Advance
Regards: Eva
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If you want to get the result of audio working, then here is a quick list that help. Let see:

  1. Check your speaker output. …
  2. Run the audio troubleshooter. …
  3. Verify that all Windows Updates are installed. …
  4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. …
  5. Check sound settings. …
  6. Fix your audio drivers. …
  7. Set your audio device as the default device. Source

Thanks for sharing.

1 Like

Hi you can check it out their Sara Matter

Syncing audio with Lottie animations can enhance the overall user experience, making your animations more engaging and immersive. Lottie is a library that allows you to easily render After Effects animations in various platforms, including web and mobile apps. To synchronize an audio file with your Lottie animation, you can follow these steps:

  1. Prepare Your Assets:
  • Ensure you have the Lottie animation file (JSON or other supported formats) and the audio file in the appropriate formats (e.g., MP3, WAV).
  • Make sure the animation and audio have the same duration or timing alignment.
  1. Import Lottie Animation:
  • Integrate the Lottie animation into your project. You can use the Lottie library to load and render the animation.
  1. Add an Audio Component:
  • Use a suitable audio player component or library in your project (e.g., HTML5 <audio> element for web or an audio player library for mobile apps).
  1. Synchronize Playback:
  • You’ll need to write code to start playing the Lottie animation and the audio at the same time. The synchronization may involve using event listeners and controlling the animation and audio playback based on their time frames. For example, in web development using JavaScript, you can add event listeners to control the animation and audio:
const lottieAnimation = lottie.loadAnimation({
    container: document.getElementById('lottie-container'),
    renderer: 'svg',
    loop: false,
    autoplay: false,
    path: 'your-animation.json' // Path to your Lottie animation JSON
});

const audio = new Audio('your-audio.mp3'); // Create an Audio element

lottieAnimation.addEventListener('DOMLoaded', () => {
    // Synchronize the start of animation and audio
    lottieAnimation.play();
    audio.play();
});
In a mobile app, you would use the appropriate SDKs and libraries to control the animation and audio playback simultaneously.

Adjust Timing:

If the animation and audio are not perfectly synchronized, you may need to fine-tune their timing by adding delays or adjusting the start times.
Handle User Interactions:

Implement user controls, such as pause, play, and volume adjustments, for both the animation and audio.
Testing and Optimization:

Test your synchronized animation and audio on different devices and browsers/platforms to ensure consistent behavior.
Optimize the file sizes and loading times to provide a smooth user experience.
By following these steps, you can synchronize your Lottie animation with an audio file, creating a more engaging and interactive multimedia experience in your web or mobile application.

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