Convert Windows TV (.wtv) to MPEG-4 Audio (.m4a) 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 .m4a file when it's ready.
WTV (Windows TV) is the DVR recording format from Windows Media Center, containing broadcast television with MPEG-2 or H.264 video, AC3 or AAC audio, and EPG metadata (program title, channel name, description, recording timestamp, content ratings). The container uses an NTFS-like internal structure for multiplexing streams. M4A (MPEG-4 Audio) is the audio-only container using the MP4 file format, typically containing AAC or ALAC audio. It is the native audio format for iTunes, Apple Music, and all Apple devices.
Windows Media Center's TV tuner recording feature produced WTV files from 2007 until Microsoft discontinued the platform. These recordings, spanning nearly a decade of personal TV archiving, are now locked in a format that no modern media player opens natively.
Extracting audio from WTV to M4A produces universally playable audio files that integrate seamlessly with Apple's ecosystem. M4A with AAC encoding is the standard format for iTunes Store purchases, Apple Music, and iPhone/iPad audio. This makes WTV-to-M4A the natural choice for extracting TV audio intended for Apple device playback.
M4A also supports rich metadata (title, artist, album, artwork, chapters) — far more than WTV's proprietary EPG data or raw AAC streams. This allows you to organize extracted TV audio into proper albums in your music library, complete with show artwork and episode information.
FFmpeg reads the WTV container, discards the video stream, and processes the audio. If the WTV source already contains AAC audio (common in some digital broadcasts), the stream can be remuxed directly into the M4A container with zero re-encoding (-c:a copy). For AC3 sources, FFmpeg decodes and re-encodes to AAC-LC at the specified bitrate (typically 128-256 kbps). The M4A container uses MPEG-4 Part 14 with audio-only metadata. Multi-channel AC3 is downmixed to stereo by default.
M4A with AAC at 192-256 kbps stereo is perceptually transparent for broadcast audio content. When the WTV source already contains AAC, stream copying produces zero generational loss. For AC3 sources at 384 kbps, AAC at 256 kbps maintains equivalent perceived quality. File sizes are compact — a one-hour extraction produces approximately 15-30 MB at 192 kbps, versus 1-8 GB for the full WTV recording.
| Device | WTV | M4A |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| 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
WTV to M4A conversion extracts broadcast audio from Windows Media Center recordings into Apple's native audio format, perfect for iTunes integration, iPhone playback, and organized music library management.
Безопасная передача
Загрузки зашифрованы по HTTPS
Конфиденциальность прежде всего
Файлы автоматически удаляются после обработки
Без регистрации
Начните конвертировать мгновенно
Работает везде
| No |
8MB free, 50MB Nitro
Любой браузер, любое устройство
| Характеристика | WTV | M4A |
|---|---|---|
| Полное название | Windows TV | MPEG-4 Audio |
| Расширение | .wtv | .m4a |
| Лучше всего подходит для | Windows Media Center | Better than MP3 |