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Windows 7: PowerPoint Embed MP3 files



PowerPoint Embed MP3 files

Published by whs
15 Jan 2011
Published by
whs's Avatar




The problem

If you create a Power Point show and want to embed sound, you need to provide a .wav file for PP to accept it. Unfortunately .wav files are very large as much as 10 times and more larger than e.g. .mp3 files. This will bloat your PP show significantly and makes it lengthy to upload and certainly impossible to attach to an Email.

Example



Compare the original .mp3 file on the left to the same file converted to .wav. The .wav file is nearly 25 times larger than the .mp3 file.

The Solution

The solution is a tweak that puts a .wav header in front of the .mp3 file to make PP believe that it is dealing with an actual .wav file. As you can see, the same file appears as .wav but retains the .mp3 size.




The Tool

The tool we use to achieve this tweak is CDex. You can download and install it from here.

The operation of CDex is very simple. First you go to Convert and Add RIFF-WAV header.





Then you get this window where you browse to your folder containing the .mp3 file (top right). You highlight the file and click Convert. The resulting .wav file will be in the originating folder.

It is advisable to present a folder that contains only those files that you want to convert else you get a long list of files in the little window.





As shown above, you now have a .wav file in the size of the originating .mp3 file.




16 Jan 2011   #1
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Nice work, whs.

My System SpecsSystem Spec
16 Jan 2011   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Thanks theog. There do not seem to be too many Power Point enthusiasts. But that is OK. I will continue to make some tuts for the few.
My System SpecsSystem Spec
14 Mar 2014   #3
Tepid

Win 7 Ultimate 32bit
 
 

I agree. Thanks for the info WHS.
My System SpecsSystem Spec
.


14 Mar 2014   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

A little caveat I just found out. On my Windows 8 Phone, the MP3 files with WAV headers do not play the sound. Only PP shows with full embedded WAV files work properly. That must be a restriction of Office 365.
My System SpecsSystem Spec
Comment

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