AV1 to GSRT Converter

Extract GSRT audio from AV1 video files online

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VoIP Phone Format

GSRT is the Grandstream phone audio format — converting from AV1 creates ringtones and prompts for that hardware.

Quick Conversion

GSRT files are small and encode rapidly — your AV1 audio is ready for download in moments.

Data Security

AV1 uploads are erased right after conversion, and GSRT outputs are deleted within 24 hours.

How to convert AV1 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

AV1 (AOMedia Video 1) is an open, royalty-free video coding format developed by the Alliance for Open Media, a consortium whose founding members include Google, Mozilla, Microsoft, Amazon, Netflix, and Intel, among others. The specification was finalized in June 2018 with the goal of providing a next-generation video codec that surpasses the compression efficiency of H.264 and HEVC while remaining free from licensing fees. AV1 achieves roughly 30-50% better compression than HEVC at equivalent visual quality, making it particularly attractive for streaming platforms seeking to reduce bandwidth costs without sacrificing viewer experience. The codec supports a broad range of features including film grain synthesis, flexible tiling for parallel processing, content-adaptive resolution switching, and a rich set of intra and inter prediction modes. Hardware decoding support has expanded rapidly across mobile processors, GPUs, and smart TVs, addressing early concerns about computational demands during encoding. AV1 has seen wide adoption from major streaming services for delivering 4K and HDR content, and it serves as the video component of the WebM container for web-based playback. The royalty-free status makes AV1 especially important for open web standards and accessible media distribution.
Initial release: June 25, 2018
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

Why convert AV1 to GSRT?

GSRT is a Grandstream telephony format for VoIP phone ringtones and hold music — specific to Grandstream IP phone hardware.

What uses GSRT files?

Grandstream IP phones use GSRT for custom ringtones and audio prompts. The format is specific to that hardware ecosystem.

Is GSRT a common format?

GSRT is niche — it exclusively serves Grandstream VoIP equipment. For general audio, use MP3 or WAV.

What quality does GSRT offer?

GSRT uses telephony-grade encoding — optimized for voice clarity at narrow bandwidths typical of phone systems.

Is my data private?

AV1 uploads are deleted immediately. GSRT outputs are removed within 24 hours.