SPX to CVSD Converter

Convert your spx files to cvsd online & free
Audio Converter
Drop files here. 100 MB maximum file size or Sign Up
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to
  • Image
  • Document
  • Ebook
  • Audio
  • Archive
  • Video
  • Presentation
  • Font
  • Vector
  • CAD
  • abc
  • abw
  • csv
  • dbk
  • djvu
  • dng
  • doc
  • docm
  • docx
  • erf
  • ebm
  • ewm
  • emw
  • gzip
  • kwd
  • odt
  • oxps
  • ppt
  • pptx
  • pdf
  • rtf
  • rar
  • txt
  • wps
  • xls
  • xlsx
  • zip
Convert to SPX

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.
CVSD Converter

cvsd

Continuously Variable Slope Delta modulation

Continuously Variable Slope Delta modulation is a voice coding method. It is a delta modulation with variable step size (adaptive delta modulation), first proposed by Greefkes and Riemens in 1970

How to convert SPX to CVSD

Step 1

Upload spx-file(s)

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

Step 2

Choose "to cvsd"

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

Step 3

Download your cvsd

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