05-envelopes

• 01-data-signal-conversion.py - Conversion from number to audio stream.
• 02-linear-ramp.py - Portamento, glissando, ramping.
• 03-exponential-ramp.py - Exponential portamento with rising and falling times.
• 04-simple-envelopes.py - ASR and ADSR envelopes.
• 05-breakpoints-functions.py - Multi-segments envelopes.