WTV to GSRT Converter

Extract audio from WTV and save as GSRT online for free

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Fast Audio Ripping

Extracting GSRT from WTV is faster than full video conversion — our servers focus on the audio stream and skip video processing.

Adjustable Settings

Fine-tune audio parameters — codec, bitrate, and quality — before converting to tailor the output precisely.

Cloud Conversion

Processing runs entirely in the cloud, so your computer or phone does none of the heavy lifting. Just upload and download.

How to convert WTV to GSRT

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose gsrt or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your gsrt file right afterwards

About formats

WTV (Windows Recorded TV Show) is a digital video recording format developed by Microsoft and introduced in July 2008 with the Windows Media Center TV Pack for Windows Vista. The format was designed to replace the earlier DVR-MS recording format used by Windows Media Center, offering a more capable container for recording live television broadcasts. WTV files store video in MPEG-2 or H.264 encoding alongside multiple audio tracks in AC-3 or MPEG audio format, along with closed caption data, electronic program guide metadata, and copy protection flags. The container uses an internal directory structure that supports time-shifting features, allowing Windows Media Center to record content while simultaneously enabling playback from the beginning of the recording. A rich metadata framework preserves detailed program information from the electronic program guide (EPG), including show title, episode description, genre, ratings, and original air date, making it easy to organize and browse recorded content. The format supports both standard definition and high definition recordings from digital cable, over-the-air ATSC, and ClearQAM tuner sources. WTV files are natively accessible through Windows Media Center and can be converted to the simpler DVR-MS format using built-in Windows tools. While Windows Media Center was discontinued after Windows 7 (with limited support in Windows 8), WTV files remain in personal media archives and can be processed by third-party video tools.
Developer: Microsoft
Initial release: July 16, 2008
GSRT is a purpose-built ringtone format developed by Grandstream Networks for its line of IP phones and VoIP endpoint devices. Each file begins with a fixed-size header identifying sample rate (typically 8 kHz or 16 kHz), bit depth, and payload length, followed by PCM or mu-law encoded audio data optimized for the small speakers found in desk phones. The design prioritizes minimal decode complexity — Grandstream handsets run on embedded processors with limited memory, so the format avoids transform stages or complex bitstream parsing. Ringtones are usually provisioned through a web management interface or a centralized configuration server, letting IT administrators push branded audio to an entire fleet of phones at once. Although GSRT occupies a narrow niche within enterprise VoIP telephony, its straightforward binary layout means conversion tools can map the payload directly to WAV with minimal effort. Key advantages include rock-solid playback reliability on Grandstream hardware, negligible latency from file read to speaker output, and seamless integration with the provisioning ecosystem for company-wide ringtone deployment.
Initial release: 2002

Frequently Asked Questions

What is the benefit of converting WTV to GSRT?

Extracting audio from a WTV recording into GSRT lets you save the soundtrack of a TV show for offline listening on any device.

What program opens GSRT files?

GSM-related tools and telephony platforms process GSRT audio-encoded files.

Will the audio quality match the original?

You can set the output bitrate to match or exceed the original audio quality. Higher settings preserve more detail from the WTV source.

How fast is the audio extraction?

Audio extraction is quicker than full video conversion since only the sound track is processed. Most files are done within seconds.

Can I choose the audio bitrate?

Yes. Adjust the bitrate, sample rate, and channel count before converting to get the GSRT quality that suits your listening needs.

Is registration necessary?

No. Basic conversions work without an account. Signing up is optional and provides access to extended features and larger uploads.