Convertspxgsm
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SPX to GSM

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

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How to convert SPX to GSM?

Online SPX to GSM, you can put the SPX to GSM 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 'GSM'

Select output GSM 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 GSM 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.

gsm : GSM 06.10 Lossy Speech Compression

GSM 06.10 Lossy Speech Compression. A lossy format for compressing speech which is used in the Global Standard for Mobile telecommunications (GSM). It’s good for its purpose, shrinking audio data size, but it will introduce lots of noise when a given audio signal is encoded and decoded multiple times. This format is used by some voice mail applications. It is rather CPU intensive.
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