CONVERT
TS → OPUS
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Fast, secure TS to OPUS conversion. No registration required.
Situation. TS is the MPEG transport stream, used in broadcast and HLS streaming segments. Solution: a OPUS, produced below. Extracting audio from TS into OPUS is the most common reason people need this pair — a podcast rip, a lecture recording, a music video saved as an audio-only track. The conversion is near-instant because there is no pixel data to transcode, just the audio ES that was already inside the TS container. In practice TS is the MPEG transport stream, used in broadcast and HLS streaming segments. On the other end, Opus is the modern low-latency royalty-free codec used in VoIP, streaming, and WebRTC.
MPEG Transport Stream
Source formatTS (Transport Stream) is used for broadcasting, streaming, and recording live TV.
Opus Audio
Target formatOpus is a versatile, open-source audio codec optimized for both speech and music at very low bitrates. It is the standard for WebRTC voice calls and excels at real-time communication.
Why convert TS to OPUS
Audio players cannot read TS containers natively — they expect a OPUS stream without the video wrapper. Extracting the audio upstream saves battery and CPU on the playback device because no dummy video decoding has to happen.
HOW TO CONVERT
TS → OPUS
Provide your TS
Drag-and-drop a video up to 25 MB on the free tier; paid plans raise the ceiling substantially.
Extract the audio
We strip the video track, keep the audio ES and write it into a OPUS file. Codec-compatible cases use stream-copy for bit-exact output.
Retrieve the OPUS
A download link appears as soon as the extraction is done. Typical files finish in seconds.
Common Use Cases
Share across platforms
Send OPUS files to anyone without worrying about whether they have the right software for TS.
Embed in documents
Drop OPUS output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
OPUS often produces smaller files than TS for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
TS vs OPUS — Strengths and limitations
What each format does best, and where it falls short.
TS Strengths
- Designed for noisy channels — packet-level error correction.
- Multi-program: one TS can carry several TV channels.
- Native format for all digital TV broadcasts and HLS streaming.
- Streaming-first: no need to download whole file to start playing.
- 30+ years of stable, deployed infrastructure.
Limitations
- Packet overhead (~3% vs Program Stream).
- Seek index is implicit — requires scanning for random access.
- Multiple audio/subtitle selection requires parsing PMT (Program Map Tables).
OPUS Strengths
- Best-in-class quality across the entire bitrate range.
- Royalty-free and patent-free.
- Ultra-low latency — suitable for live voice and music.
- Handles speech and music equally well — no need to switch codecs.
- Mandatory codec in WebRTC, so supported in every browser by design.
Limitations
- Very low hardware decoder adoption — software-only on most phones.
- Older platforms (legacy Windows apps, old cars) may not play .opus files.
- Container semantics confusing — Opus lives inside Ogg, WebM, or MP4.
TS vs OPUS — Technical specifications
Side-by-side comparison of the technical details.
TS
- MIME type
- video/mp2t
- Extensions
- .ts, .m2ts, .mts
- Standard
- ISO/IEC 13818-1 (MPEG-2 Systems)
- Packet size
- 188 bytes (standard); 192 bytes (M2TS/Blu-ray)
- Primary use
- Broadcast TV + HLS streaming
OPUS
- MIME type
- audio/opus
- Extensions
- .opus, .ogg (container)
- Standard
- RFC 6716 (2012)
- Sample rates
- 8, 12, 16, 24, 48 kHz
- Latency
- 5-60 ms (configurable)
| Specification | TS | OPUS |
|---|---|---|
| MIME type | video/mp2t | audio/opus |
| Extensions | .ts, .m2ts, .mts | .opus, .ogg (container) |
| Standard | ISO/IEC 13818-1 (MPEG-2 Systems) | RFC 6716 (2012) |
| Packet size | 188 bytes (standard); 192 bytes (M2TS/Blu-ray) | — |
| Primary use | Broadcast TV + HLS streaming | — |
| Sample rates | — | 8, 12, 16, 24, 48 kHz |
| Latency | — | 5-60 ms (configurable) |
TS vs OPUS — Typical file sizes
Approximate file sizes for common scenarios.
TS
- HLS video segment (6 seconds, 1080p) 2-5 MB
- 1 hour recorded TV (HD) 4-8 GB
- Satellite transponder capture (1 min) ~300 MB
OPUS
- Voice call (24 kbps) 180 KB/min
- Podcast (48 kbps) 21 MB/hour
- Music (128 kbps) ~1 MB/min
- High-fidelity music (160 kbps) ~1.2 MB/min
Quality & Compatibility
The perceptual quality of the OPUS is bounded by the audio that was already inside the TS. Video containers often ship audio at 128-192 kbps; our conversion does not magically upgrade that, but it does preserve whatever was there without adding a second generation of lossy encoding when we can help it.
Tips for Best Results
- Use Advanced options to set a specific OPUS bitrate when file size matters (e.g., sharing over chat apps).
- Tag your OPUS output with an ID3 editor afterwards if you need searchable metadata and the source TS had none.
- When batch-extracting a folder of TS files, a single ZIP upload is faster than uploading one by one.
Frequently Asked Questions
Yes. The free tier accepts files up to 25 MB without registration, email capture or watermarks; paid plans go up to 2 GB. Paid plans raise the size cap, enable batch conversions and provide a REST API for automation, but nothing on the free tier is quality-limited — the output is exactly the same as on any paid plan.
Only if the audio codec inside TS is not directly writable into the OPUS container. When codecs match we stream-copy, producing a bit-exact OPUS. When they differ, we re-encode at a high-quality default, so the perceptual loss is tiny for anything other than lossless-to-lossless mismatches.
Uploads run over HTTPS, files are processed in isolated containers, and both the source TS and the OPUS output are auto-deleted within two hours. No account is required, file contents are never logged, and KaijuConverter does not use uploads for AI training. The paid plan adds a signable data-processing agreement for regulated workflows.
No. The full TS lands in our processing container, we demux the audio locally and then the container is destroyed. The video bytes never leave KaijuConverter infrastructure and auto-delete within two hours along with the original file.
Most files finish in well under a minute. Small images and documents are typically ready in a few seconds; large video or audio files scale roughly with duration. Upload speed from your network is usually the dominant factor, not server time.
Yes. The Advanced options let you set start and end times in HH:MM:SS, so you can extract a single chapter, a specific quote or a clean sample instead of the full duration of the TS.
Related comparisons
See these formats side by side to understand which fits your use case best.
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Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.