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Re: For Speech Understanding

Dear Xiao:

Bell Telephone Laboratories had a 30-year research program dedicated to
determining factors influencing speech intelligibility.  Results are
contained in the book, ¡°Speech and Hearing in Communication,¡± by Harvey
Fletcher (1953).  Chapters 15, 16, 17, 18, and 19 provide basic information
on these factors, and this may be what you are looking for.

Fletcher¡¯s book was quite popular and may among your university's library
collection.  If not, you may purchase a reissued version (edited by J. B.
Allen) from the Acoustical Society of America.  (See www.asa.aip.org).

Christine Rankovic, PhD
Articulation Incorporated
36 Hampshire Street, 2nd Floor
Cambridge, MA  02139
AI = V x E x F x H

----- Original Message -----
From: "xiao xianbo" <xxb00@MAILS.TSINGHUA.EDU.CN>
Sent: Sunday, January 04, 2004 9:12 PM
Subject: For Speech Understanding

> Dear List,
>         I have some questions confusing me. I am doing some signal
> processing work to improve impaired persons' hearing.
> Now I am focused on OHC and IHC damnification caused deaf.
>         What I want to know is, in a speech signal, what are the important
> cues to keep high intelligibility.      For example,
> in single channel, phase infomation is not so important, while formants'
> location and relative intensity are significative.
> Is there some article discribe general facts influencing speech
> understanding. These will tell me what to emphasize, what to
> dismiss, what to keep, when I design the hearing compensation algorithms.
>         Thank all.
> xiao xiaonbo
> Tsinghua Univ.
> Beijing, China