3GP to AMR
Convert 3GP files to AMR online for free. Fast, secure, and no installation required. Best 3GP to AMR tool.
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What is 3GP?
3rd Generation Partnership Project
3GP is a multimedia container format defined for 3G UMTS multimedia services. It was designed to decrease storage and bandwidth requirements for mobile phones. While rarely used on modern smartphones, it is still common on legacy mobile devices.
- Optimized for old mobile phones
- Very small file size
- Low bandwidth usage
What is AMR?
Adaptive Multi-Rate
AMR is an audio compression format optimized for speech coding. AMR is widely used in GSM and UMTS mobile telephony.
- Optimized for speech
- Very small size
- Mobile standard