Online GSRT to SPX, you can put the GSRT to SPX format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload GSRT 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 GSRT file
After the conversion you can download your SPX file and upload it to Google Drive, Dropbox.
gsrt : Grandstream ring-tone files
Grandstream ring-tone files. Whilst this file format can contain A-Law, μ-law, GSM, G.722, G.723, G.726, G.728, or iLBC encoded audio, SoX supports reading and writing only A-Law and μ-law.
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.