Convertspxamr
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SPX to AMR

Online Convert SPX to AMR Use OnlineConvert online. Free fast! No registration is required.

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How to convert SPX to AMR?

Online SPX to AMR, you can put the SPX to AMR format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload SPX file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'AMR'

Select output AMR or any other format as the conversion result (click the Convert button)
Step 3

Download your SPX file

After the conversion you can download your AMR file and upload it to Google Drive, Dropbox.

spx : Speex

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.

amr : Adaptive Multi-Rate Codec File

AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.
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