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Re: Fwd: VCV nonsense syllable corpus



Dear Narayan,

you may want to check http://medi.uni-oldenburg.de/ollo/ (Meyer et al.,
J. Acoust. Soc. Am.128 (5), 3126-3141).

Best, Volker



On 07.10.2016 01:44, ABEER ALWAN wrote:
> sorry if you have received this message multiple times..i had some
> issues with the server. 
> 
> 
> Hi,
>  Variations in rate are not the same thing as shortening or lengthening
> an utterance (it is a non-linear process; the VOT, for example, varies
> differently than the vowel when rate changes and initial consonants vary
> differently than final ones, etc). The acoustic and perceptual
> consequences can be significant especially in difficult listening
> situations. We collected such a database a few years ago and I will try
> to sort it out and post it soon.
> 
> Regards,
> Abeer
> 
> 
> On Wednesday, October 5, 2016, Matthew Winn <mwinn2@xxxxxx
> <mailto:mwinn2@xxxxxx>> wrote:
> 
>     Narayan,
>     If you or a colleague are familiar with Praat, you can use this
>     Praat script to generate variations of your stimuli where there are
>     manipulations of the pitch contour and the duration. You'll end up
>     with your original sound, an versions where the pitch went up or
>     down (three different pitch contours) and for each of those, a
>     version with the original duration, as well as a shortened duration
>     and lengthened duration. So 9 sounds total from each original sound
>     you have. 
>     The variables should be clear from the top of the script. As is the
>     case for any Praat manipulation, your new sounds will be temp
>     objects, not saved files. You can save them with another script that
>     does batch processing
>     <http://www.mattwinn.com/praat/Save_all_selected_sounds.txt>. But
>     anyway, this kind of procedure might serve your needs. It works on a
>     PC, not sure about a Mac. 
> 
>     Matt
> 
>     # Enter your sound directory here, within double quotes:
>     sound_dir$ = "C:\consonants"
> 
>     # select your manipulations (these are multipliers of the pitch
>     contour and duration)
>     pitch_up = 1.15
>     pitch_down = 0.85
> 
>     duration_up = 1.2
>     duration_down = 0.8
> 
>     # clear the info window
>     clearinfo
> 
>     # list all the files in the folder
>     Create Strings as file list: "fileList", "'sound_dir$'\*.wav"
>     num_files = Get number of strings
> 
>     # loop through the files
>     for index from 1 to num_files
>      select Strings fileList
>      filename$ = Get string: index
>      name$ = "'filename$'" - ".wav"
>      name$ = "'filename$'" - ".WAV"
>      Read from file: "'sound_dir$'\'filename$'"
> 
>     # make a manipulation object using some default pitch analysis
>     parameters
>      To Manipulation: 0.01, 75, 600
> 
>      # create various pitch tiers
>        Extract pitch tier
>        Copy: "'name$'_p2"
>        Copy: "'name$'_p1"
>        Multiply frequencies: 0, 1000, pitch_down
>        select PitchTier 'name$'
>        Copy: "'name$'_p3"
>        Multiply frequencies: 0, 1000, pitch_up
> 
>      # create various duration tiers
>        select Manipulation 'name$'
>        Extract duration tier
>        Copy: "'name$'_d2"
>        Copy: "'name$'_d1"
>        Add point: 0, duration_down
>        select DurationTier 'name$'_d2
>        Copy: "'name$'_d3"
>        Add point: 0, duration_up
> 
>      for p_index from 1 to 3
>        for d_index from 1 to 3
> 
>        select Manipulation 'name$'
>        plus PitchTier 'name$'_p'p_index'
>        Replace pitch tier
>        
>        select Manipulation 'name$'
>        plus DurationTier 'name$'_d'd_index'
>        Replace duration tier
>           
>        select Manipulation 'name$'
>        Get resynthesis (overlap-add)
>        Rename: "'name$'_p'p_index'_d'd_index'"
>           
>        endfor
>      endfor
> 
>     # cleanup
>     selectObject: "Sound 'name$'"
>     plusObject: "Manipulation 'name$'"
>     plusObject: "PitchTier 'name$'"
>     plusObject: "PitchTier 'name$'_p2"
>     plusObject: "PitchTier 'name$'_p1"
>     plusObject: "PitchTier 'name$'_p3"
>     plusObject: "DurationTier 'name$'"
>     plusObject: "DurationTier 'name$'_d2"
>     plusObject: "DurationTier 'name$'_d1"
>     plusObject: "DurationTier 'name$'_d3"
>     Remove
> 
>     print finished with file: 'name$''newline$'
>     #pause finished with file: 'name$'
> 
>     endfor
> 
> 
>     --------------------------------------------------------------
>     Matthew Winn, Au.D., Ph.D.
>     Assistant Professor
>     Dept. of Speech & Hearing Sciences
>     University of Washington
> 
>     On Tue, Oct 4, 2016 at 9:55 AM, Narayan Sankaran
>     <Narayan_Sankaran@xxxxxxxxxxx> wrote:
> 
>         Hi all,____
> 
>         __ __
> 
>         I’m looking for help in finding a corpus of VCV nonsense
>         syllables. I’m examining the cortical representation of
>         consonants (using EEG) and want capture some invariance to
>         acoustic variability. More so than presenting multiple talkers,
>         I am looking for multiple repeat utterances of the same VCV
>         within the same talker (not only different vowel contexts, but
>         the exact VCV uttered at different rates and with as much
>         variability in prosodic features as possible). Does anyone on
>         this list knows of such a corpus? Many thanks in advance. ____
> 
>         __ __
> 
>         Best,____
> 
>         Narayan____
> 
>         __ __
> 
>         Narayan Sankaran 
>         Research Intern | Starkey Hearing Research Center 
>         2150 Shattuck Ave. | Suite 408 | Berkeley, CA 94704-1362____
> 
>         starkey.com <http://www.starkey.com/> | starkeyresearch.com
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> 
>         Starkey Hearing Research Center
>         <http://www.starkeyresearch.com/>____
> 
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> 
>         __ __
> 
> 
> 

-- 
---------------------------------------------------------
Prof. Dr. Volker Hohmann
Medizinische Physik and Cluster of Excellence Hearing4all
Universität Oldenburg
D-26111 Oldenburg
Germany

Tel. +49 441 798 5468
FAX  +49 441 798 3902
Email volker.hohmann@xxxxxxxxxxxxxxxx
http://www.uni-oldenburg.de/mediphysik/
http://www.uni-oldenburg.de/auditorische-signalverarbeitung/
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