Old Mobile Videos with Voice Recordings?
You have 3GP videos from an older phone and need just the audio. Maybe it is a voice memo someone recorded as video, an interview, or a memorable voicemail saved years ago. The video portion is unnecessary, but the voice matters.
Converting 3GP to AMR extracts the audio in a format specifically designed for speech. AMR files are extremely compact while preserving voice clarity. In our testing, a 3-minute voice recording extracted from a 3GP video produced an AMR file under 500KB.
How to Convert 3GP to AMR
- Upload your 3GP file - Drag and drop or tap to select from your device
- Choose AMR output - Select AMR as your target format for speech-optimized audio
- Download your audio - Your extracted voice recording is ready
The entire process takes seconds. No software installation, no account creation, no complicated settings.
Understanding These Formats
Both 3GP and AMR emerged from the mobile phone era, and they share a connection. Here is what makes each one distinct:
3GP (3GPP Multimedia)
3GP is a video container format designed for 3G mobile networks. Developed in the early 2000s, it was built to handle the limited bandwidth and storage of that era's phones. A 3GP file contains both video and audio, often with AMR already as the audio codec inside.
AMR (Adaptive Multi-Rate)
AMR is an audio format released in 1999, optimized specifically for human speech. It uses variable bitrates between 4.75 and 12.2 kbps, adapting to network conditions. While not suitable for music, AMR excels at voice clarity with minimal file size.
When you convert 3GP to AMR, you are essentially stripping away the video container and keeping only the speech-optimized audio track.
When This Conversion Makes Sense
Voice Memo Recovery
Older phones often recorded voice memos as video files. Extracting the AMR audio gives you just the speech without the unnecessary dark or blurry video footage.
Interview Archives
If you recorded interviews on a 3G-era phone, converting to AMR creates compact audio-only files for easier storage and organization. A folder of 3GP videos becomes a lightweight audio archive.
Messaging and Sharing
AMR files are small enough to attach to messages or emails without compression issues. The audio quality remains clear for speech even at low bitrates.
Transcription Prep
Speech-to-text services work with audio files. Extracting AMR from 3GP removes the video processing overhead, though you may want to convert to 3GP to MP3 for broader transcription service compatibility.
Quality Expectations
AMR is designed for voice, not high-fidelity audio. If your 3GP video has background music or ambient sounds you want to preserve, consider 3GP to AAC instead for better overall audio quality.
For speech recordings, AMR delivers clear, intelligible audio at remarkably small file sizes. The format dynamically adjusts quality based on the audio content, prioritizing speech frequencies.
Works on Any Device
Our converter runs entirely in your browser:
- Windows, Mac, Linux, Chromebook
- Chrome, Firefox, Safari, Edge
- iPhone, iPad, Android devices
No downloads or plugins required. Your files stay on your device throughout the conversion process.