CONVERT
MTS → WAV
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Fast, secure MTS to WAV conversion. No registration required.
Setup: MTS is the AVCHD camcorder variant of the MPEG transport stream. Goal: an interchangeable WAV. Extracting audio from MTS into WAV 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 MTS container. Worth knowing: MTS is the AVCHD camcorder variant of the MPEG transport stream. Meanwhile WAV is Microsoft's uncompressed PCM container — the studio master format on Windows.
AVCHD Video
Source formatMTS (AVCHD) is a high-definition video format from Sony and Panasonic camcorders.
WAV Audio
Target formatWAV is an uncompressed audio format that preserves full audio fidelity. Files are large but provide lossless, CD-quality sound. It is the standard working format in audio production and editing.
Why convert MTS to WAV
Audio players cannot read MTS containers natively — they expect a WAV 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
MTS → WAV
Provide your MTS
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 WAV file. Codec-compatible cases use stream-copy for bit-exact output.
Retrieve the WAV
A download link appears as soon as the extraction is done. Typical files finish in seconds.
Common Use Cases
Share across platforms
Send WAV files to anyone without worrying about whether they have the right software for MTS.
Embed in documents
Drop WAV output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
WAV often produces smaller files than MTS 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.
MTS vs WAV — Strengths and limitations
What each format does best, and where it falls short.
MTS Strengths
- Native format for every AVCHD camcorder since 2006.
- H.264 compression — small files for high-def quality.
- Direct compatibility with iMovie, Premiere, Resolve, Final Cut.
- Carries Dolby Digital 5.1 audio on flagship camcorders.
Limitations
- Slow to decode — editors typically transcode for editing.
- Proprietary folder-structure conventions complicate direct import.
- Largely legacy as smartphones replaced dedicated camcorders.
WAV Strengths
- Bit-perfect, uncompressed audio — the professional studio standard.
- Universally supported for playback, editing, and analysis.
- No re-encoding penalty — edit and save repeatedly with zero quality loss.
- Simple internal structure — easy to parse programmatically.
- Supports up to 32-bit float and 384 kHz sample rates.
Limitations
- Enormous file sizes — 10 MB per minute for CD-quality stereo.
- 4 GB size limit for standard WAV (RF64/W64 variants extend it but break compatibility).
- No native support for cover art or rich metadata.
MTS vs WAV — Technical specifications
Side-by-side comparison of the technical details.
MTS
- MIME type
- video/mp2t
- Extension
- .mts
- Container
- BDAV MPEG-2 Transport Stream (192-byte packets)
- Video codecs
- H.264 (AVCHD Main/High Profile)
- Audio codecs
- AC-3 (Dolby Digital), LPCM
WAV
- MIME type
- audio/wav
- Container
- RIFF
- Typical codec
- PCM (uncompressed)
- Bit depth
- 8, 16, 24, 32 bit integer or float
- Sample rate
- Up to 384 kHz
- Max size
- 4 GB (standard WAV), unlimited (RF64 / W64)
| Specification | MTS | WAV |
|---|---|---|
| MIME type | video/mp2t | audio/wav |
| Extension | .mts | — |
| Container | BDAV MPEG-2 Transport Stream (192-byte packets) | RIFF |
| Video codecs | H.264 (AVCHD Main/High Profile) | — |
| Audio codecs | AC-3 (Dolby Digital), LPCM | — |
| Typical codec | — | PCM (uncompressed) |
| Bit depth | — | 8, 16, 24, 32 bit integer or float |
| Sample rate | — | Up to 384 kHz |
| Max size | — | 4 GB (standard WAV), unlimited (RF64 / W64) |
MTS vs WAV — Typical file sizes
Approximate file sizes for common scenarios.
MTS
- 1 min HD AVCHD (17 Mbps) ~130 MB
- 1 hour AVCHD Full HD ~8 GB
WAV
- Song (4 min, CD quality) 40 MB
- Voice memo (1 min, 16-bit 44.1 kHz) 10 MB
- Studio master (1 min, 24-bit 96 kHz) 33 MB
- Field recording (1 hour, 24-bit 48 kHz) 1 GB
Quality & Compatibility
The perceptual quality of the WAV is bounded by the audio that was already inside the MTS. 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 WAV bitrate when file size matters (e.g., sharing over chat apps).
- Tag your WAV output with an ID3 editor afterwards if you need searchable metadata and the source MTS had none.
- When batch-extracting a folder of MTS 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 MTS is not directly writable into the WAV container. When codecs match we stream-copy, producing a bit-exact WAV. 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 MTS and the WAV 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 MTS 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 MTS.
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.