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Amplitude Modulatios in speech

Dear members,
One way to describe a speech signals is as a summation of a number of amplitude modulated narrow frequency bands. There are many reports showing that these modulations are important for perception of speech. I would like to know if the transition portions of the CV is lengthened what happens to these modulations (Does the modulation frequency and deapth changes?)?

Mr.Ajith Kumar U
Doctoral Student,
Department of Audiology,
All India Institute of Speech and Hearing, Naimisham Camppus,
Ph:  +91 821 2514449 Ext 186 (O)
       +91 821 2514449 Ext 227 (R)
Fax: +91 821 2510515

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