Convert MP1 to M4A Online — Free
Fast, free MP1 to M4A 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 .m4a 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 M4A?
M4A is an audio-only MPEG-4 container, commonly using AAC encoding. It provides better quality than MP3 at similar file sizes.
Format Details
- Full Name
- MPEG-4 Audio
- Extension
- .m4a
Key Features
- Better than MP3
- Apple ecosystem
- AAC encoding
- Metadata support
MP1 vs M4A
| Feature | MP1 | M4A |
|---|---|---|
| Full Name | MPEG Audio Layer 1 | MPEG-4 Audio |
| Extension | .mp1 | .m4a |
| Best For | Early MPEG standard | Better than MP3 |