* Fixing typecast warnings generated by visual studio 2019 in examples.
* Changes to fixes based on feedback
Co-authored-by: Jeffery Myers <JefMyers@blizzard.com>
1. Always synthesize a complete frame of audio, using a second buffer (this prevents gaps in playback)
2. Sine is computed correctly, with an adjustable frequency
3. User can modulate frequency in real-time with mouse
4. Entire audio buffer data is shown, visually demonstrating how sine changes in wavelength