Online AV1 to SPX, you can put the AV1 to SPX format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload AV1 file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'SPX'
Select output SPX or any other format as the conversion result (click the Convert button)
Step 3
Download your AV1 file
After the conversion you can download your SPX file and upload it to Google Drive, Dropbox.
av1 : AOMedia Video 1
AOMedia Video 1 (AV1) - is an open, royalty-free high efficiency video coding format designed for video transmissions over the Internet. AV1 is more efficient than H.264, H.265, HEVC, VP8, VP9. In a comparison of AV1 against H.264 (x264) and VP9 (libvpx), AV1 showed about 45–50% bitrate savings over H.264 and about 40% over VP9 when using a constant quality encoding mode. AV1 is intended to be able to be used together with the audio format Opus in a future version of the WebM container format for HTML5 web video and WebRTC
An SPX file is a Speex audio file saved within an Ogg Vorbis container. Speex is an open source patent-free audio format designed for speech compression. It supports variable bitrate (VBR) encoding and several features not found in other audio codecs. Some examples include embedded encoding, intensity stereo encoding, and voice activity detection.