Re: Modifying speech signal (Roy Patterson )


Subject: Re: Modifying speech signal
From:    Roy Patterson  <rdp1@xxxxxxxx>
Date:    Wed, 6 Dec 2006 07:47:28 +0000
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Hello David, We use Kawahara-san's vocoder STRAIGHT. It works very well on clean speech recordings. We describe its use in several papers where we scaled speech sounds over a wide range. Smith, D. R. R., Patterson, R. D., Turner, R., Kawahara, H., and Irino, T. (2005). "The processing and perception of size information in speech sounds," J. Acoust. Soc. Am. 117, 305-318. Ives, D. T., Smith, D. R. R. and Patterson, R. D. (2005). "Discrimination of speaker size from syllable phrases," J. Acoust. Soc. Am. 118 (6), 3816-3822. Smith, D. R. R. and Patterson, R. D. (2005). "The interaction of glottal-pulse rate and vocal-tract length in judgements of speaker size, sex and age," J. Acoust. Soc. Am. 118, 3177-3186. It also works on some musical instruments by the way. Dinther, R. van, Patterson, R. D. (2006). “Perception of acoustic scale and size in musical instrument sounds,” J. Acoust. Soc. Am. 120, 2158-2176. You can also use PRAAT from Peter Boersema in Amsterdam. Another useful application is PSOLA from Eindhoven. Regards Roy Patterson David Schwartz wrote: > Greetings all. > > For a study of formant perception, I'm seeking a method to transform > normal speech signals so as to alter the apparent vocal tract length of > the speaker. Any and all suggestions much appreciated. > > David > > > _____________________ > David Schwartz > Department of Psychology > Duke University > > email: schwartz /at /neuro /dot /duke /dot /edu > > The early bird may get the worm, but the second mouse gets the cheese. > > > > -- Roy and Karalyn Patterson 17 Woodlands Road Great Shelford, Cambridge, CB22 5LW Phone +44 1223 842310 (International format) email rdp1@xxxxxxxx karalyn.patterson@xxxxxxxx


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