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[hts-users:04668] noise in generated voice


Hi ,
I am trying to generate mandarin using hts demo.My database contains 1000 clear 48KHz wav files.When I use SPTK(1 mix) synthesize a new sentence ,there is background noise.And I use STRAIGHT40 as vocoder ,the noise is still exist. Attachment wav is the sythesized voice.

I write questions my own ,is there anything wrong with my question files?
Or could you give me some advice to make synthesized voice better?

thanks and regards


 

Attachment: SPTK.wav
Description: Wave audio