Digital Singing Voice Synthesis Using a New Alternating Reflection Model - PowerPoint PPT Presentation

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Digital Singing Voice Synthesis Using a New Alternating Reflection Model

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Digital Singing Voice Synthesis Using a New Alternating Reflection Model ... Original singing Voice. Time-Expansion using AbS/OLA ... – PowerPoint PPT presentation

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Title: Digital Singing Voice Synthesis Using a New Alternating Reflection Model


1
Digital Singing Voice Synthesis Using a New
Alternating Reflection Model
  • By Matthew Lee and Mark J. T. Smith

2
Speech vs. Singing
3
Vibrato
4
Analysis-by-Synthesis / Overlap-Add
5
The Sinusoidal Model
6
Time-Scaling with AbS/OLA
7
Problems with AbS/OLA
8
Problems with AbS/OLA
9
TD-PSOLA
10
New Model
  • Vibrato Synchronous Concatenation
  • Maintain continuity of vibrato by selecting
    segment boundaries according to vibrato phase.
  • Alternating Reflection
  • Reflect repeated portions of signal in an
    alternating manner.

11
Vibrato Synchronous Concatenation
12
Alternating Reflection
13
Alignment
14
Advantages
15
Results
  • Original singing Voice
  • Time-Expansion using AbS/OLA
  • Time-Expansion using new Alternating Reflection
    Model

16
Future Work
17
Gaussian Model
18
Formant Tracking
19
Formant Statistics
20
Modified Vocal Tract
21
Future Work
  • Identify phase conditions at boundary frames for
    optimal performance.
  • Develop methods for automatic segmentation.
  • Parameterize voice according to vocal quality
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