Convertm4rsph
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M4R to SPH

Online Convert M4R to SPH Use OnlineConvert online. Free fast! No registration is required.

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How to convert M4R to SPH?

Online M4R to SPH, you can put the M4R to SPH format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload M4R file

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

Select 'SPH'

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

Download your M4R file

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

m4r : MPEG 4 Ringtones Audio

M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.

sph : SPeech HEader Resources

SPHERE (SPeech HEader Resources) is a file format defined by NIST (National Institute of Standards and Technology) and is used with speech audio. SoX can read these files when they contain μ-law and PCM data. It will ignore any header information that says the data is compressed using shorten compression and will treat the data as either μ-law or PCM. This will allow SoX and the command line shorten program to be run together using pipes to encompasses the data and then pass the result to SoX for processing.
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