Examples

Here are some examples of how-to-use pyLeTalker.

Todo

A better organized, more elaborate documentation is under development.

• Generating dysphonic voice samples with kinematic VF model
  • 1. Normal Voice (Baseline)
  • 2. Breathy/pressed voice
  • 3. Voice Breaks
  • 4. Frequency Jumps
  • 5. Flutter
  • 6. Vocal Tremor
  • 7. Modulation (locked, subharmonics)
  • 8. Modulation (unlocked)
  • 9. Biphonation (locked, subharmonics)
  • 10. Biphonation (unlocked)
  • 11. Built-in vowels
• Plotting synthesized signals
  • Plotting acoustic waveform and its spectrum
  • Plotting acoustic, glottal flow, and glottal area
  • Plotting spectrogram
• Playing and saving synthesized acoustic signals
  • Sound playback
  • Creating WAV files
  • Creating audio files of other formats
• Python classes to model various Elements of Voice Production Mechanism
  • abc.Lung classes
  • abc.Lip class: LeTalkerLips
  • abc.VocalTract
  • abc.VocalFolds classes
• letalker.function_generators
  • Common attributes of abc.SampleGenerator subclasses
  • Constant
  • StepGenerator - hold specific values in a sequential order
  • LineGenerator
  • Interpolators: Interpolator, ClampedInterpolator, & PeriodicInterpolator
  • FlutterGenerator - slow quasi-random drift
  • SineGenerator
  • ModulatedSineGenerator
  • WhiteNoiseGenerator & ColoredNoiseGenerator
• TaperMixin - Controlling onset and offset of functions
  • transition_time - Time in seconds at when the transition occurs
  • transition_time_constant - Sets the transition duration
  • transition_type - Sets the transition waveform
  • transition_initial_on
• Animating kinematic vocal folds
  • Symmetric Periodic Vibration
  • Entrained left-right biphonation
  • Stroboscopic animation