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Discussion Groups | Speech Coding | melp2400 to melp1200, interpolation

Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)

  

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melp2400 to melp1200, interpolation - steh...@hotmail.com - Jul 2 22:10:33 2008



Hi,
I have converted my speech application from melp2400 to melp1200. I was using fir filter to
convert 8KHz speech to 32KHz. Should I need to change the filter for melp1200??? I think it
should work fine because in fact we are using the melp2400 synthesis function without change.
When I run my melp1200 speech application with this fir filter I feel as the voice is being
lingered on, gives a fading effect. Is this problem of the filter or is it something inside
melp1200?

Thanks and Regards,
Saba

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