Convert MP2 to FLAC — Free Online Converter
Convert MPEG Audio Layer 2 (.mp2) to Free Lossless Audio Codec (.flac) online for free. Fast, secure audio conversion with no watermarks or registrati...
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Upload your .mp2 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 .flac file when it's ready.
About MP2 to FLAC Conversion
Converting MP2 to FLAC decodes broadcast MPEG Audio Layer 2 and stores the resulting PCM in a lossless compressed format. FLAC provides 40-60% compression over raw PCM while guaranteeing bit-perfect reconstruction of the decoded broadcast audio.
For broadcast archivists, this conversion captures the maximum quality recoverable from MP2 streams — DAB recordings, DVB audio, and DVD-Video soundtracks — in an efficient, well-documented, open-source format suitable for long-term preservation.
Why Convert MP2 to FLAC?
Broadcast archives require formats that preserve maximum quality while being storage-efficient and future-proof. FLAC meets all these criteria — it is lossless, open-source (no licensing risk), widely supported, and uses 40-60% less storage than uncompressed WAV.
FLAC from MP2 serves as a decode-once master archive. Rather than re-decoding MP2 every time the audio is needed, the FLAC captures the decoded output once. Any future format conversion can work from the FLAC without touching the original MP2 stream.
Common Use Cases
- Archiving DAB radio broadcasts from MP2 in lossless FLAC for institutional preservation
- Creating decode-once FLAC masters from DVB television MP2 audio streams
- Preserving DVD-Video MP2 soundtracks in FLAC for film archive collections
- Building a lossless broadcast audio library from MP2 sources with proper metadata
- Preparing broadcast MP2 content for remastering by first decoding to FLAC
How It Works
FFmpeg decodes the MP2 subband audio to PCM at the source sample rate (typically 48 kHz for broadcast) and encodes to FLAC using linear prediction and residual coding. FLAC level 5 (default) provides good compression speed. Broadcast MP2 at 48 kHz stereo decodes to full-bandwidth PCM that FLAC compresses by approximately 40-60%. Vorbis comment metadata in FLAC supports comprehensive archival tagging.
Quality & Performance
Lossless relative to the decoded MP2 audio. Every PCM sample from the MP2 decode is preserved without modification. The audio quality is limited by the original MP2 encoding — broadcast MP2 at 384 kbps provides excellent quality that FLAC captures completely. This is the maximum quality extractable from any MP2 source.
Device Compatibility
| Device | MP2 | FLAC |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No | No |
Recommended Settings by Platform
Spotify
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Apple Music
Resolution: N/A
Bitrate: 256 kbps
AAC format required
SoundCloud
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Podcast
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
Tips for Best Results
- 1Preserve 48 kHz broadcast sample rate in FLAC — do not downsample
- 2Use FLAC level 5 for the best balance of encoding speed and compression ratio
- 3Tag FLAC files with comprehensive broadcast metadata: program, date, channel, duration
- 4Verify FLAC integrity with flac --test after conversion for archival confidence
- 5Create FLAC as a decode-once master — derive AAC, MP3, and other formats from FLAC, not from MP2
Related Conversions
MP2 to FLAC is the broadcast archival standard — maximum decoded quality in an efficient lossless open-source format.