WTV to OGG Converter

How to Convert WTV to OGG Online

1. Upload Your WTV File: Click "+ Add Files" or drag a .wtv recording from your Windows Media Center library (default location \Users\Public\Recorded TV\). Batch uploads work — drop a whole season at once.
2. Pick Audio Codec and Quality Preset: Default codec is Vorbis (the original OGG audio codec). The Quality Preset dropdown ranges from Lowest through Highest; Highest maps to roughly 320 kbps Vorbis, Medium to ~128 kbps. Switch to Opus from the codec menu when you want better quality at low bitrates (Xiph recommends Opus over Vorbis for new files since 2013).
3. Set Channels, Sample Rate, or Trim (Optional): Audio Channel defaults to Original — pick Mono to shrink size for talk-heavy recordings, Stereo to force two-channel output. Sample Rate offers 8 kHz through 48 kHz (44.1 kHz matches CD audio). Use Trim to clip off the pre-roll, commercials, or that 10 minutes of overrun the DVR captured.
4. Convert and Download: Click Convert. Audio is extracted from the WTV's MPEG-2/AC-3 stream, re-encoded into Ogg Vorbis (or Opus), and ready to download. No watermark, no signup, no install.

Why Convert WTV to OGG?

WTV (Windows Recorded TV Show) is Microsoft's container for Windows Media Center DVR recordings — introduced with the Windows Media Center TV Pack 2008 and bundled with every Media Center edition through Windows 7. Microsoft removed Windows Media Center from Windows 10 entirely when it shipped on July 29, 2015, which left a generation of archived TV recordings stranded on an unsupported playback path. WTV files wrap MPEG-2 video plus MPEG-1 Layer II or Dolby Digital AC-3 audio in a proprietary (non-ASF) container, and the audio/video streams are encrypted by the Stream Buffer Engine even for unprotected broadcasts. Extracting the audio into Ogg Vorbis gives you a small, royalty-free, BSD-licensed file that plays everywhere modern software runs.

• Archive radio shows, talk shows, and concerts — A 1-hour HDTV recording is typically 4-8 GB; the Vorbis audio track at 128 kbps lands around 55 MB, a 70-150x size reduction with no perceptible loss for speech.
• Listen on the move — Ogg Vorbis playback is built into Android, VLC, Foobar2000, Rockbox firmware (Sansa Clip, iPod Classic), and most Linux media players. iOS needs VLC or Documents by Readdle.
• Salvage your Media Center library before the hardware dies — Windows 10 and 11 won't run WMC natively; converting now means the recordings outlive the original Windows 7 box.
• Strip video to save storage — A 500 GB WTV library compresses to roughly 5-10 GB of OGG audio, freeing the rest of the drive without losing the dialog or music.
• Edit in audio tools — Audacity, Reaper, and FFmpeg all read Ogg Vorbis natively, so you can cut adverts, normalize loudness, or split into chapters.
• Stay royalty-free — Vorbis ships under a 3-clause BSD license maintained by the Xiph.Org Foundation, so the output is safe for podcasts, archives, and redistribution.

WTV vs OGG (Vorbis) — Format Comparison

Bitrate and Quality Guide (Vorbis)

Vorbis is technically superior to MP3 at the same bitrate — it addresses several known MP3 limitations (pre-echo on transients, poor stereo handling at low bitrates). Most listeners report 128 kbps Vorbis as transparent for speech and acceptable for music; pick 192 kbps or higher when the source is music-heavy.

Frequently Asked Questions

Why does my WTV file fail to convert with a "protected content" error?

Windows Media Center reads the broadcaster's CGMS-A copy-protection flag and encrypts protected recordings so they only play back on the original recording PC. Microsoft documents this restriction in the WTV SDK. Premium cable channels (HBO, Showtime), pay-per-view, and some over-the-air HD broadcasts ship with the flag set. Unprotected free-to-air programming (most network TV, PBS) converts cleanly. If the file is flagged, no third-party tool can legally bypass the lock — you would need to play it back on the original Media Center machine and capture the audio.

Should I pick Vorbis or Opus inside the OGG container?

Xiph.Org, which maintains both codecs, has officially recommended Opus over Vorbis for new encodes since 2013. Opus delivers better quality at 64-96 kbps and adds very low latency. Vorbis still wins on universal device support — Rockbox firmware, older Sandisk Sansa players, and some 2010-era car stereos read .ogg/Vorbis but not Opus. Pick Vorbis for maximum compatibility; pick Opus for the best modern compression. Both wrap in the Ogg container.

What's the difference between WTV and the older DVR-MS format?

DVR-MS shipped with Windows XP Media Center Edition and used Microsoft's ASF (Advanced Systems Format) as the underlying container. WTV replaced it in Windows Vista's TV Pack 2008 with a new proprietary container that supports the SBE's pause/seek/record on live streams more efficiently. Windows 7 included WTVConverter.exe (under \Windows\ehome\) to convert WTV back to DVR-MS for legacy apps. If you have a mix, see WTV to MP3 for a more universal audio output, or WTV to MP4 when you want to keep the video.

Will Windows Media Center metadata (show title, channel, recording date) survive the conversion?

No. WTV embeds rich Media Center metadata — series title, episode synopsis, channel, broadcast date, parental rating, even chapter marks — in a proprietary block that isn't represented in the Ogg/Vorbis tag spec. The conversion preserves only the audio. If you need the metadata, dump it first with MCEBuddy or a similar Windows tool before converting, then paste the relevant fields into the Vorbis comment block (title, artist, date) with a tag editor like Mp3tag or Kid3.

Why is the WTV file 6 GB but the OGG only 50-100 MB?

Most of the WTV's size is the MPEG-2 video stream — broadcast HDTV captures at up to 30 Mbps per the SBE spec. Extracting only the audio drops to ~128 kbps Vorbis, a 200-plus-fold bitrate reduction. A 1-hour HD recording shrinks from roughly 7 GB to roughly 55 MB without any audio quality loss beyond the re-encode step from AC-3 to Vorbis.

Can I convert several WTV files at once and keep them as separate OGG files?

Yes. Drop a folder of WTV recordings into the uploader and each one converts to its own OGG file with the same base name. Useful for a season of a show or a week of recorded news — you don't need to queue them one at a time.

Will the OGG file play on my iPhone or in iTunes?

iTunes and the stock iOS Music app do not play Ogg Vorbis. Workarounds: VLC for iOS, Documents by Readdle, and Foobar2000 mobile all play Ogg natively. If you need iPhone-native playback in the Music app, convert to AAC/M4A instead — see OGG to MP3 and then re-tag if needed, or pick MP3 from the start with WTV to MP3.

How do I cut out commercials before converting?

Use the Trim control in Advanced Options to set start and end times in hours:minutes:seconds:milliseconds. For multiple ad breaks in the middle, convert the whole recording first and edit the OGG in Audio Cutter — Audacity and Reaper also handle Vorbis natively if you prefer desktop editing.

Is the conversion lossy?

Yes — twice over, in the worst case. WTV audio is already lossy (MPEG-1 Layer II or AC-3 at broadcast bitrates), and re-encoding to Vorbis is a second lossy pass. The combined loss is inaudible for speech and most music at 192 kbps+ Vorbis. If you absolutely need a lossless archive of the audio, pick FLAC instead of OGG; the file will be roughly 5-10x larger but mathematically identical to the decoded AC-3 source.