Convert MP1 to AMR Online — Free
Fast, free MP1 to AMR converter. No registration required.
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How to Convert
Upload your .mp1 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .amr file when it's ready.
What is MP1?
MP1 (MPEG Audio Layer 1) is the earliest MPEG audio compression standard. It provides CD-quality audio at higher bitrates than MP2/MP3 and is found in some legacy professional audio systems.
Format Details
- Full Name
- MPEG Audio Layer 1
- Extension
- .mp1
Key Features
- Early MPEG standard
- CD-quality audio
- Low complexity
- Legacy format
What is AMR?
AMR is an audio format optimized for speech encoding. It's commonly used for voice recordings on mobile phones and VoIP applications.
Format Details
- Full Name
- Adaptive Multi-Rate Audio
- Extension
- .amr
Key Features
- Speech optimized
- Mobile phones
- Small files
- Voice recording
MP1 vs AMR
| Feature | MP1 | AMR |
|---|---|---|
| Full Name | MPEG Audio Layer 1 | Adaptive Multi-Rate Audio |
| Extension | .mp1 | .amr |
| Best For | Early MPEG standard | Speech optimized |