You might have had an audio clip that you wanted to put into your video, but it's too short for what you really need. That's why you start wondering how to make audio longer and looking for an audio stretching tool that can lengthen tracks without affecting the pitch or clarity.
This guide will teach you why audio stretching is important and how simple it is to change the length of an audio file in Filmora without sacrificing sound quality. That being said, let's dig into it and effortlessly lift your creative projects right in any situation.
In this article
Common Audio Editing Challenges in Video Production
One of the main challenges in audio editing is keeping the pitch and quality consistent when increasing the duration. Most traditional tools distort audio, making it sound unnatural or stretched. This issue becomes critical when extending tracks for professional purposes.
Solution: Wondershare Filmora has an advanced pitch correction feature. Based on an advanced algorithm, this tool ensures that even when the audio length is increased, the pitch remains consistent, delivering a natural sound. Filmora is ideal for tasks like adjusting podcast tracks or syncing audio to video projects.
You can change the pitch of the sound. As the speed goes up or down, it will change the voice's pitch. Follow the step-by-step instructions below:
Step 1: In the timeline, double-click the audio file. In the pop-up window under Volume, drag the pitch slider to the right or to the left to change the pitch.
Step 2: In the Preview box, select the Play button to hear how the sound works. To change the pitch again, click the "Reset" button.
Step 3: Hit OK to save the modifications to the audio pitch.
Best Tools to Change the Length of an Audio
AI video involves creating or editing video with AI. This system automates editing, effects, and synchronizing, making video production faster. When a video needs excellent audio synchronization, AI video helps. It matches the stretched audio to the tape for perfect harmony. This is huge for filmmakers, advertisers, and anyone developing material where audio and video must blend.
Wondershare Filmora's Audio Stretch Tool simplifies the process, offering precise adjustments with user-friendly controls. Perfect for beginners and professionals alike, Filmora ensures your audio fits your project flawlessly.
Why Choose Wondershare Filmora for Audio Stretching?
- User-Friendly Interface: Perfect for both beginners and seasoned editors.
- Precision Tools: Filmora's Audio Stretch Tool offers unmatched accuracy.
- Real-Time Preview: Adjust and preview changes instantly.
- Format Compatibility: Works seamlessly with MP3, WAV, and other formats.
- High-Fidelity Results: Ensures your stretched audio retains its original clarity.
- Superb video stabilization with low distortion.
- Vast video/audio effects and creative assets.
- Powerful AI for effortless content creation.
- Intuitive, professional yet beginner-friendly.
- Works on Mac, Windows, iOS, and Android.
Step-by-step guide using Audio Stretch Tool
Step1Open Your Project
Start by opening your project in Wondershare Filmora. Click on the audio track in the timeline to select it.
Step2Activate the Audio Stretch Tool
After adding the audio track/clip. Activate the AI Audio Stretch tool by clicking the Audio Stretch icon.
Step3Adjust the Audio Clip (If Necessary)
If your audio is too short for stretching, you can adjust it: Use the Split Tool to cut the clip at the desired point. Remove any excess portions, leaving a suitable length for the AI tool to process effectively.
Step4Edit Your project
Enter the editing workspace to make adjustments. Add text overlays, modify fonts, and incorporate creative elements like Titles, Transitions, Filters, or Stickers. You can also enhance the audio quality using AI Speech Enhancement before selecting Edit to continue refining your video.
Step5Auto Normalization of the Audio
Turning on the "Auto Normalization" option is highly recommended because it automatically adjusts the "Sound Balance," "Fade In," and "Fade Out."
Step6Preview and Export the Result
Play back the audio to ensure a smooth and seamless transition from its original end to the extended version. When you're happy with your creation, click Export to save the file to your device.
Additional Audio Features in Filmora
Beyond its audio length increase capabilities, Filmora offers advanced tools to enhance your projects:
- Audio Visualizer Effects: Create dynamic visual effects synced with your audio for engaging videos.
- AI-Powered Tools: Use AI to refine sound quality, remove noise, and balance audio levels automatically.
- Synchronization Tools: Easily align stretched audio with video content, ensuring perfect timing.
These features make Filmora a comprehensive solution for both video and audio editing. Due to its adaptability, you may use it for anything from podcasts to feature films.
Conclusion
Improving your podcasts, videos, or other creative endeavors can be as simple as understanding how to change the length of an audio file. Filmora's Audio Stretch Tool ensures you can extend audio without compromising quality. Its user-friendly interface and professional features make it the ultimate choice for stretching MP3s or WAV files effortlessly.
