MTS to OGA Converter

MTS to OGA Converter

An .mts file is an AVCHD camcorder clip — H.264 video wrapped in an MPEG-2 transport stream, with a Dolby AC-3 (or, on some professional models, uncompressed LPCM) soundtrack. .oga is the Xiph.Org Foundation's general-purpose Ogg audio extension. This conversion is an audio extraction: the video is discarded and only the soundtrack is re-encoded into an Ogg file — by default with Vorbis, the open, royalty-free codec that game engines, Linux media players, and patent-averse open-source tooling specifically expect. The two tables below explain both sides so you know what you are starting from and what you end up with.

MTS Source Audio at a Glance

OGA (Ogg Audio) Format at a Glance

How to Convert MTS to OGA

1. Upload Your MTS File: Drag and drop your .mts clip onto the page, or click "+ Add Files" to browse. Queue several clips and they all extract with the same settings.
2. Keep Vorbis or Switch the Audio Codec: Open Advanced Options. The .oga target defaults to Vorbis; the Audio Codec dropdown also offers Opus, FLAC, and Speex. Leave it on Vorbis for game engines and legacy Ogg tooling.
3. Set Quality Preset, Bitrate, or Trim (Optional): Leave Quality Preset on the recommended setting, or switch File Compression to Custom Bitrate, Constant Bitrate, or Variable Bitrate to pick an exact value. Adjust Audio Channel or Audio Sample Rate to match the source, and use Trim to export only a start time and duration.
4. Convert and Download: Click Convert and save your .oga file individually or as a ZIP. No sign-up, no watermark.

Frequently Asked Questions

What is the difference between a .oga and a .ogg file?

Both use the same Ogg container, but the extensions signal what is inside. Per Xiph's naming convention (formalized in RFC 5334), .oga is the general-purpose extension for Ogg audio of any codec — Vorbis, Opus, FLAC, or Speex — while .ogg is a backward-compatible spelling reserved for streams that carry only Vorbis. In practice many players treat the two extensions identically, so a Vorbis stream works under either name. This tool writes .oga; if your target specifically wants the Vorbis-only .ogg spelling, use MTS to OGG instead.

Does converting MTS to OGA keep the video?

No. This is an audio extraction — the H.264 video track is discarded and you get an audio-only .oga file. If you want to keep the picture alongside the sound, convert MTS to MP4 instead, which re-encodes both streams into one playable file.

Will the OGA sound better than the audio already in my MTS?

It depends on what your camcorder recorded, and this is an honest limit rather than a tool flaw. Most AVCHD cameras record Dolby AC-3, which is already lossy, so re-encoding to Vorbis is a lossy-to-lossy transcode that cannot rebuild detail the original codec discarded — keep the Vorbis bitrate at or above the source to avoid adding a second round of loss. If your clip carries LPCM (uncompressed, found on some professional models), extracting to Vorbis is a clean first-generation encode, and a higher bitrate keeps it close to the master.

Should I use OGA with Vorbis or Opus for this extract?

For a brand-new project, Opus is the technically better choice — since 2013 the Xiph.Org Foundation has recommended Opus over Vorbis for new applications, and Opus holds quality better at low bitrates. The reason to still pick Vorbis is compatibility with tooling built around it: many game engines and their importers, internet-radio stacks, and older Linux applications expect Vorbis-in-Ogg specifically. If your target understands the newer codec, use MTS to Opus instead, or switch the Audio Codec dropdown to Opus before converting.

Can OGA keep my MTS file's 5.1 surround sound?

It can in principle — the Ogg container and both Vorbis and Opus support multichannel audio — but whether surround survives depends on the codec settings and on whether your player decodes Ogg multichannel correctly, which many do not. If your AVCHD clip carries a 5.1 mix and surround matters, test the output before relying on it; for a soundtrack you will play across ordinary devices, a stereo extract is the safer, more universally supported result.

Why is Vorbis the default codec for OGA instead of Opus?

Because the Ogg audio extensions exist largely to serve the Vorbis era, and Vorbis is the codec the players and toolchains most likely to open a .oga file expect. Defaulting to Vorbis makes the output "just work" for game engines and legacy Ogg software. If you would rather keep the newer codec, switch the Audio Codec dropdown to Opus, or use the dedicated MTS to Opus converter.

Will my OGA file play on an iPhone, iPad, or Mac?

Not reliably, especially on older Apple hardware. Ogg Vorbis has played natively in Chrome, Firefox, Edge, Opera, and VLC for years, but Apple only added native Ogg Vorbis playback to Safari very recently (around Safari 18.4 / iOS 18.4), and earlier versions need a third-party player. If your target is the Apple ecosystem or any older device, extract to MTS to MP3 instead, which plays virtually everywhere.

What bitrate should I choose for the Vorbis output?

Match or slightly exceed the source. Vorbis spans roughly 45–500 kbps; for a typical stereo AC-3 camcorder track, 160–192 kbps Vorbis preserves a music mix cleanly, while 96–128 kbps is fine for speech-heavy recordings. In our testing, a stereo AC-3 soundtrack extracted to 192 kbps Vorbis was hard to tell from the source in normal listening, while going below the source's effective bitrate is where audible loss starts to creep in.

How are my files handled, and how long are they kept?

Your MTS file is uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark, never shared or made public.