M4V to SPX Converter

Convert your m4v files to spx online & free

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How to convert m4v to spx

Step 1

Upload m4v-file(s)

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

Step 2

Choose "to spx"

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

Step 3

Download your spx

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

m4v

MPEG-4 Video File

Is a video format similar to MP4. The difference between the formats is their developers and protection. Apple company, has developed a format that has provided DRM-lock for M4V. Video files in this format are downloaded from iTunes.

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.