[hts-users:03009] postfilter coef. range ??

Subject: [hts-users:03009] postfilter coef. range ??
From: BUMJUN KIM <cutekbj@xxxxxxxxx>
Date: Thu, 18 Aug 2011 10:45:29 +0900
Delivered-to: hts-users@xxxxxxxxxxxxxxx
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hi.

I have used hts-2.2ver.

When using a mlsa filter(pulse or noise),

if postfilter coef.(beta) value is 0.4 or higher, synthesis speech is divergence.

The parameters I use are as follows:

mgc order : 50

sampling frequency : 48000Hz

Is the range of beta 0~0.8 ?

When I used hts-2,1ver, there was no such problem. (mgc order:25, sampling frequency:16000Hz)

This issue is related to the mgc order? or samling frequency ?

Regards.