Convert TS to FLAC — Free Online Converter
Convert MPEG Transport Stream (.ts) to Free Lossless Audio Codec (.flac) online for free. Fast, secure video conversion with no watermarks or registra...
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Sådan konverterer du
Upload your .ts 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 TS to FLAC Conversion
Transport Stream files from digital television broadcasts carry audio compressed with MPEG-2 Audio Layer II (common in DVB) or AC3/E-AC3 (standard in ATSC) alongside the video stream. Converting TS to FLAC extracts and re-encodes this audio using the Free Lossless Audio Codec, which compresses audio by 40-60% without discarding any data — every decoded sample is preserved exactly.
Why Convert TS to FLAC?
FLAC is the gold standard for lossless audio archival. When you extract audio from broadcast recordings, FLAC preserves the full decoded quality of the source while keeping files significantly smaller than uncompressed WAV or AIFF. It is open-source, patent-free, and supported by virtually every audio player and DAW on every platform.
Common Use Cases
- Archiving live concert broadcasts from DVB radio in lossless quality
- Extracting symphonic or operatic performances from cultural TV broadcasts for hi-fi listening
- Building a lossless sound effects library from documentary and nature broadcast audio
- Preserving historical broadcast speech recordings in a lossless, future-proof format
- Extracting multi-language audio tracks from European DVB broadcasts for language study archives
How It Works
FFmpeg demuxes the TS container by reading Program Association and Program Map tables to identify audio elementary streams. The selected audio PID is reassembled from TS packets, decoded through the appropriate decoder (MPEG-2 Audio, AC3, or E-AC3), and the resulting PCM samples are compressed using FLAC's LPC (Linear Predictive Coding) with Rice coding. Compression level 5 (default) provides an optimal speed/size tradeoff. The output includes Vorbis comment metadata if available.
Quality & Performance
FLAC is bit-perfect lossless — the decoded output is sample-identical to the PCM produced by decoding the broadcast audio. The quality ceiling is determined by the broadcast source: MPEG-2 Audio at 192-384 kbps for DVB, or AC3 at 384-640 kbps for ATSC. FLAC faithfully preserves whatever the broadcast delivered.
Device Compatibility
| Device | TS | 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
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Use compression level 5 for the best speed-to-size ratio — levels 6-8 save minimal additional space
- 2Preserve the native 48 kHz sample rate rather than resampling to 44.1 kHz to avoid interpolation artifacts
- 3For broadcast audio with commercial breaks, consider trimming the source first to skip ads
- 4Enable multi-channel output if your TS contains 5.1 surround and you have a surround-capable playback setup
- 5Tag your FLAC files with artist and title metadata after conversion for better library organization
Related Conversions
TS to FLAC conversion is the ideal path for lossless broadcast audio extraction — it preserves every detail of the decoded audio while keeping file sizes manageable through efficient lossless compression.