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PSOLA works by dividing the speech waveform in small overlapping segments. To change the pitch of the signal, the segments are moved further apart (to decrease the pitch) or closer together (to increase the pitch). To change the duration of the signal, the segments are then repeated multiple times
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Charpentier, F.; Stella, M. (1986). "Diphone synthesis using an overlap-add technique for speech waveforms concatenation".
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66:(to increase the duration) or some are eliminated (to decrease the duration). The segments are then combined using the
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115:(Ph.D. thesis). Seria Jezykoznawstwo Stosowane. Vol. 17. Uniwersytet Im. Adama Mickiewicza W Poznaniu.
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Conference on Acoustics, Speech, and Signal Processing
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169:(PDF format; see page 35, which is page 44 of the PDF)
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62:of a speech signal. It was invented around 1986.
42:(Pitch Synchronous Overlap and Add) is a digital
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162:Changing Pitch with PSOLA for Voice Conversion
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87:Audio time stretching and pitch scaling
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131:. Vol. 11. pp. 2015–2018.
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513:Texas Instruments LPC Speech Chips
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590:Speech Synthesis Markup Language
251:Festival Speech Synthesis System
73:PSOLA can be used to change the
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54:. It can be used to modify the
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739:. You can help Knowledge by
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50:and more specifically
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241:Gnuspeech
600:VoiceXML
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458:Vocalina
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337:Talk It!
315:Speaking
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231:eSpeakNG
220:Speaking
145:62440369
81:See also
60:duration
34:"na wóz"
26:"ja jem"
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481:Machine
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274:Singing
260:FreeTTS
75:prosody
30:"nawóz"
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113:(PDF)
56:pitch
40:PSOLA
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246:Orca
58:and
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