AMR to MP2 Converter
Convert AMR voice messages to MP2 (MPEG-1 Audio Layer II) format for broadcasting and legacy voice applications. Reliable audio codec for radio, telephony, and professional voice transmission. Professional-quality audio conversion powered by FFmpeg, all processing happens securely in your browser.
Recommended Settings
For Voice Broadcasting
- •128 kbps for broadcast-quality voice
- •Reliable and robust encoding
- •Standard for voice in DAB
For Legacy Systems
- •96-128 kbps for voice transmission
- •Compatible with older equipment
- •Efficient for telephony applications
Pro Tips
- •AMR is telephony-grade (8kHz) - higher bitrates won't improve quality
- •128 kbps offers excellent quality for voice broadcasting
- •MP2 is more robust than MP3 for voice transmission over airwaves
Most Popular
Most users choose 128 kbps for broadcast-quality voice
When to Use This Tool
Convert AMR voice recordings to MP2 for radio broadcasting and digital audio broadcasting (DAB) of voice content.
Recommended: 128 kbps
Convert voice messages to MP2 for compatibility with older broadcast equipment and legacy telephony systems.
Recommended: 96-128 kbps
MP2 is reliable for voice transmission in professional applications requiring robust encoding.
Recommended: 128 kbps
How It Works
Upload your AMR voice message file
Select desired bitrate
FFmpeg processes MP2 encoding
Download your converted MP2 file
100% Private
Files never leave your device. All processing happens locally in your browser.
Lightning Fast
Powered by FFmpeg.wasm (WebAssembly) for optimal performance on modern browsers.
Open Source
Built with verified, open-source libraries. Fully transparent.
Frequently Asked Questions
What is AMR format?
AMR (Adaptive Multi-Rate) is a telephony-grade audio codec optimized for speech encoding at 8kHz. It's commonly used in WhatsApp and Telegram voice messages. AMR is mono and designed for voice, not music.
What is MP2 format?
MP2 (MPEG-1 Audio Layer II) is a lossy audio compression format predecessor to MP3. It's widely used in broadcasting and video production for its reliability and consistent quality, especially for voice content.
How is MP2 different from MP3?
MP2 is simpler and more robust than MP3, making it better for broadcasting voice content. While MP3 offers better compression, MP2 is preferred in professional broadcast applications for speech.
What bitrate should I use for voice?
128 kbps is recommended for broadcast-quality voice. Since AMR is telephony-grade (8kHz), higher bitrates won't significantly improve quality as the source is bandwidth-limited. 96 kbps is suitable for efficient voice transmission.
Why use MP2 for voice instead of MP3?
MP2 is the standard in voice broadcasting (radio, TV, DAB) due to its lower complexity and better error resilience for speech transmission. It's also used in legacy telephony and voice communication systems.