CAVS to AVR Converter

Convert CAVS video audio to AVR — free and online

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Online Conversion

Go from CAVS video to AVR audio without desktop tools. The entire extraction runs in the cloud through your browser.

Clean Experience

Convert your files without intrusive interruptions. Registered users enjoy an even smoother, ad-free conversion workflow.

Batch Processing

Upload and convert multiple files in one session. The converter handles each file individually and delivers all results together.

How to convert CAVS to AVR

1

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

2

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

3

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

About formats

CAVS (Chinese Audio Video Standard) is a video compression standard developed by the Audio Video Coding Standard Workgroup of China and adopted as a national standard (GB/T 20090.2) in February 2006. The project began in 2002 with the aim of creating an independent compression technology that could serve the massive broadcasting and multimedia infrastructure in China without relying on foreign-licensed codecs. CAVS, also referred to as AVS1, achieves compression efficiency comparable to H.264/AVC while utilizing a simpler patent framework with significantly lower licensing costs. The standard supports video resolutions from standard definition up to high definition, making it suitable for both terrestrial digital television broadcasting and broadband streaming. Key technical features include 8x8 block transforms, multiple prediction modes, and a loop filter designed to reduce blocking artifacts at low bit rates. The Chinese government endorsed CAVS as the mandatory compression standard for the national digital TV broadcasting system, ensuring broad deployment across set-top boxes and television receivers in the country. While CAVS has limited international adoption compared to H.264 or HEVC, its significance lies in serving one of the largest media markets in the world and demonstrating a viable national alternative to globally dominant video coding standards.
Initial release: February 2006
AVR (Audio Visual Research) is an audio format that originated on the Apple Macintosh around 1989, created by the Audio Visual Research company for their editing and synthesis tools. It stores raw audio samples preceded by a fixed-length header containing sample rate, bit depth (8 or 16 bits), channel configuration, and loop point markers. Unlike complex container formats, AVR uses a flat binary structure with no compression, preserving the full waveform quality at the expense of larger files. The format served professional Macintosh audio workstations during the late 1980s and early 1990s, when the Mac platform dominated creative computing. One advantage is uncompressed storage guaranteeing zero artifacts and perfect signal integrity through editing operations. Native loop markers represent another feature, letting sound designers define seamless repetition points within the file — ahead of its time for sample-based music production. Tools like SoX maintain AVR support, ensuring archivists can access and convert these legacy recordings. While eclipsed by WAV and AIFF, AVR remains a notable piece of early digital audio history.
Initial release: 1989

Frequently Asked Questions

What is the benefit of converting CAVS to AVR?

Extracting audio from a CAVS video into AVR lets you keep just the soundtrack — ideal for listening without the video overhead.

How do I open an AVR file?

Audacity, audio research tools, and specialized converters open Audio Visual Research files.

Can I choose the audio bitrate?

Yes. Adjust the bitrate, sample rate, and channel count before converting to get the AVR 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.

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 CAVS 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.