Inside SimPhonics New Audio Systems

Over the past 14 years, since SimPhonics introduced the first flight simulation digital audio system, technology has changed considerably.  One of our primary goals continues to be the incorporation of the latest technology to aid our customer OEM's to integrate SimPhonics products into existing and new devices.

Originally, dynamic digital audio was the domain of the Digital Signal Processor.  SimPhonics legacy systems were based on the use of the PC as a host and the DSP as the primary source of digital audio.  The PC controlled the generation of digital audio on the DSP, but the DSP created the digital audio samples. 

That has changed.  PC CPU's are now more than powerful enough to create and manipulate streams of digital audio.  More importantly, standards are now emerging, created by necessity in the commercial market, that are finding their way into high end applications.  The hardware platform of choice is now clearly the PC.

SimPhonics has embraced this new trend with the introduction of the FXDirect and SMx digital audio systems.  Generation of audio is performed on the PC CPU, while the DSP is now focused on low latency mixing of digital I/O streams.  This means lower costs, higher performance, etc.

File format: .PPT; File size: .3 MB

This session explores the new SimPhonics systems, how they work, and why the new architecture is important.

A Simple V+ APU Model

The following Power Point presentation shows how simple building a basic turbine APU sound model can be using V+.  This example was installed on the KC-135 simulator. It was recorded, tuned, and installed in less than one day.

File format: .PPT; File size: 1.8 MB

A Simple tutorial on how to build a sound model for an APU using V+.


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