Who This Is For / When to Use
Use this guide if you need to prepare an audio file for Voicemail Drops and your file is not already in MP3 or WAV format, or does not meet audio requirements.
Audio Requirements for Voicemail Drops
Supported formats: MP3 or WAV
Recommended sample rate: 8000 Hz
WAV encoding (when applicable): U-Law
Option A: Convert Audio Using Audacity (Recommended)
This option provides the most control and reliability.
What You Need
Audacity (free audio editor)
Step 1: Download Audacity
Go to the Audacity website.
Click Downloads.
Download and install Audacity for your operating system.
Step 2: Import Your Audio File
Open Audacity.
Drag and drop your audio file into the Audacity workspace.
Step 3: Open Preferences
Click Edit in the top menu.
Select Preferences.
Step 4: Set the Project Sample Rate
In Audio Settings, locate Project Sample Rate.
Change the value to 8000 Hz.
Click OK.
Step 5: Resample the Track
Click Tracks in the top menu.
Select Resample…
Enter 8000.
Click OK.
Step 6: Export the Audio File
Click File.
Select Export → Export Audio.
Choose MP3 or WAV.
Step 7: Choose Encoding (WAV Only)
If exporting as WAV, set Encoding to U-Law.
Name your file and click Save.
Option B: Convert Audio Using an Online Tool (Faster)
This option is quicker but offers fewer customization controls.
Step 1: Upload Your Audio File
Go to online-audio-converter.com.
Click Open files.
Select your audio file.
Step 2: Convert and Download
Select MP3 as the output format.
Set quality to Economy (64 kbps).
Click Convert.
Click Download once conversion completes.
Common Issues and Fixes
Audio Upload Fails
Confirm the file is MP3 or WAV.
Ensure the sample rate is 8000 Hz.
Poor Audio Quality
Use Option A (Audacity) for better control.
Confirm U-Law encoding for WAV files.
FAQ
What audio formats are required for Voicemail Drops?
Voicemail Drops require MP3 or WAV audio files.
What is the recommended sample rate?
The recommended sample rate is 8000 Hz.
Which option should I use?
Use Option A (Audacity) for reliability and customization.
Use Option B (Online Tool) for speed and simplicity.
What encoding should I use for WAV files?
Use U-Law encoding when exporting WAV files.
Are these tools free?
Yes. Audacity is free, and the online converter supports free basic conversions.
Why is Audacity more reliable?
Audacity allows precise control over sample rate and encoding, ensuring compatibility with Voicemail Drops.