Convert Windows TV (.wtv) to Audio Interchange File Format (.aiff) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .wtv 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 .aiff file when it's ready.
WTV (Windows TV) is the DVR recording container from Microsoft's Windows Media Center, storing broadcast television as MPEG-2 or H.264 video with AC3 or AAC audio alongside EPG metadata (program title, description, channel, ratings, recording time). The NTFS-like internal structure supports multiple streams within a single file. AIFF (Audio Interchange File Format) is Apple's uncompressed audio standard, storing raw PCM samples at full quality — commonly used in professional music production and audio mastering on macOS.
With Windows Media Center removed from Windows 10 and no successor application, WTV files represent a closed chapter of Microsoft's living room strategy. Yet personal archives contain irreplaceable TV recordings — live concerts, sporting events, holiday specials — that deserve preservation in modern, accessible formats.
Converting WTV to AIFF extracts broadcast audio into an uncompressed, lossless format suitable for professional audio work. This is essential when the TV recording contains audio that needs further editing, processing, or mastering — such as concert performances, live music broadcasts, or spoken-word content intended for podcast production.
AIFF files integrate seamlessly with macOS-based audio workflows (Logic Pro, GarageBand, Final Cut Pro) and maintain exact audio fidelity from the decoded broadcast stream. While the files are larger than compressed formats, they serve as perfect masters for subsequent editing and distribution.
FFmpeg demuxes the WTV container and decodes the audio stream — AC3 (Dolby Digital) at 192-384 kbps or AAC at 128-256 kbps from the broadcast source. The decoded PCM audio is written into the AIFF container at 16-bit/44.1 kHz (CD quality) or 16-bit/48 kHz (broadcast standard). Multi-channel 5.1 AC3 is typically downmixed to stereo unless the target workflow requires surround. The video stream and all EPG metadata are discarded.
The output AIFF represents the full decoded quality of the broadcast audio — there is no additional loss in the WTV-to-AIFF conversion since AIFF stores uncompressed PCM. However, the source audio was already lossy (AC3 at 192-384 kbps or AAC at 128-256 kbps), so the AIFF captures whatever quality the original broadcast provided. For typical TV broadcasts, this is good stereo quality suitable for further editing.
| Device | WTV | AIFF |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
WTV to AIFF extraction produces uncompressed audio masters from Windows Media Center TV recordings, ideal for professional editing, macOS-based workflows, and archival preservation of broadcast audio content.
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処理後にファイルを自動削除
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すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
| No |
| 特徴 | WTV | AIFF |
|---|---|---|
| 正式名称 | Windows TV | Audio Interchange File Format |
| 拡張子 | .wtv | .aiff |
| 最適な用途 | Windows Media Center | Lossless quality |