[Eeglablist] Matlab Video Processing Question

[Silvia Lipski]

Dear Davide,

I have been using mmplay, mmwrite, and mmread provided by Micah Richert: 

http://www.mathworks.com/matlabcentral/fileexchange/15880-mmplay
http://www.mathworks.com/matlabcentral/fileexchange/15881-mmwrite
http://www.mathworks.com/matlabcentral/fileexchange/8028-mmread

Both video and audio from .avi files could be played simultaneously, saved and manipulated. 

Best regards,
Silvia 





>________________________________
> Von: Mikołaj Magnuski <imponderabilion at gmail.com>
>An: eeglablist at sccn.ucsd.edu 
>Gesendet: 0:32 Montag, 10.September 2012
>Betreff: Re: [Eeglablist] Matlab Video Processing Question
> 
>
>
>
>Dear Davide,
>
>Unfortunatelly, reading video data (both through mmreader or VideoReader) imports only the visuals, the audio is not read, and thus when saving - you save without sound.
>
>
>I'm not sure if there is a convenient workaround (within the realms of matlab) to your problem. Reading sound from video file does not seem to be supported by matlab core functions. However, if you do have Computer Vision System Toolbox - the vision.VideoFileReader object does support this. I'm not sure if saving video with sound is any easier, but at least you can import the sound to matlab.
>http://www.mathworks.com/help/toolbox/vision/ref/vision.videofilereaderclass.html
>
>
>Nevertheless, I think that your best soulution could be to combine the sound from your original video with the transformed soundless video that matlab produced outside of matlab, unless it needs to be done automatically.
>
>
>So, generally - it's quite complicated (read: "as far as I know - impossible") to load and save with sound with basic matlab functions. Sorry I couldn't help you more.
>
>Mikolaj
>
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