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Leslie Sanford - Professional Profile


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Aside from dabbling in BASIC on his old Atari 1040ST years ago, Leslie's programming experience didn't really begin until he discovered the Internet in the late 90s. There he found a treasure trove of information about two of his favorite interests: MIDI and sound synthesis.

After spending a good deal of time calculating formulas he found on the Internet for creating new sounds by hand, he decided that an easier way would be to program the computer to do the work for him. This led him to learn C. He discovered that beyond using programming as a tool for synthesizing sound, he loved programming in and of itself.

Eventually he taught himself C++ and C#, and along the way he immersed himself in the ideas of object oriented programming. Like many of us, he gotten bitten by the design patterns bug and a copy of GOF is never far from his hands.

Now his primary interest is in creating a complete MIDI toolkit using the C# language. He hopes to create something that will become an indispensable tool for those wanting to write MIDI applications for the .NET framework.

Besides programming, his other interests are photography and playing his Les Paul guitars.


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GeneralApplying Generic Programming to Runtime Polymorphism Pin
Leslie Sanford22-Feb-10 11:28
Leslie Sanford22-Feb-10 11:28 
GeneralGeneric Programming [modified] Pin
Leslie Sanford19-Jul-08 6:53
Leslie Sanford19-Jul-08 6:53 
GeneralOff-topic Pin
Rajesh R Subramanian19-Jun-09 13:48
professionalRajesh R Subramanian19-Jun-09 13:48 
GeneralRe: Off-topic Pin
Leslie Sanford19-Jun-09 20:06
Leslie Sanford19-Jun-09 20:06 
GeneralEnsuring Object State [modified] Pin
Leslie Sanford27-Jun-07 9:00
Leslie Sanford27-Jun-07 9:00 
GeneralEvolution of Messaging Pin
Leslie Sanford19-Oct-06 6:15
Leslie Sanford19-Oct-06 6:15 
GeneralEnumerators as Synthesizer Components Pin
Leslie Sanford20-Sep-06 21:53
Leslie Sanford20-Sep-06 21:53 
Consider an oscillator in your standard analog synthesizer. It cycles through its waveform endlessly. Let's say you want to model this using C#. Why not use the IEnumerator interface? The MoveNext method moves the oscillator to the next sample of the waveform. The Reset method resets the oscillator to the beginning of the cycle of its waveform. And the Current property represents the current output of the oscillator.

In addition to implementing the IEnumerator interface, an Oscillator class could implement methods allowing you to modulate it's amplitude and frequency; it could have ModulateAmplitude and ModulateFrequency methods that take a double value.

In the case of ModulateAmplitude, the Oscillator would multiply the specified value to its current amplitude. In the case of ModulateFrequency, the Oscillator would add the specified value to its current index into the waveform buffer. When MoveNext is called, it calculates its current value based on the modulated amplitude value and modulated frequency value.

Since this is an oscillator, MoveNext would never return false. However, we could model other synth components using the IEnumerator interface, such as an ADSR envelope. It this case, MoveNext would eventually return false when the envelope has reached the end of its release segment.

I've written code to implement the above descriptions, and I've liked the results. Hopefully, I'll post an article with an accompanying demo project sometime before the end of the year.
GeneralAnonymous Methods as Glue Pin
Leslie Sanford17-Sep-06 15:30
Leslie Sanford17-Sep-06 15:30 
GeneralRefining the approach Pin
Leslie Sanford22-Jan-06 8:52
Leslie Sanford22-Jan-06 8:52 
GeneralFlowing down the Sink Pin
Leslie Sanford21-Jan-06 17:45
Leslie Sanford21-Jan-06 17:45 
GeneralFlow-Based Programming in C# Pin
Leslie Sanford29-Dec-05 14:07
Leslie Sanford29-Dec-05 14:07 
GeneralCombining Visitor, Observer, and Iterator Pin
Leslie Sanford25-Dec-05 22:29
Leslie Sanford25-Dec-05 22:29 

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