Convert MPEG Audio Layer 2 (.mp2) to Free Lossless Audio Codec (.flac) online for free. Fast, secure audio conversion with no watermarks or registration.
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.
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.
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.
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.
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 | MP2 | FLAC |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
MP2 to FLAC is the broadcast archival standard — maximum decoded quality in an efficient lossless open-source format.
安全传输
HTTPS 加密上传
隐私优先
文件处理后自动删除
无需注册
即刻开始转换
随处可用
任何浏览器，任何设备
| No |
| 特性 | MP2 | FLAC |
|---|---|---|
| 全称 | MPEG Audio Layer 2 | Free Lossless Audio Codec |
| 扩展名 | .mp2 | .flac |
| 最适合 | Broadcast standard | Lossless compression |