VR Commander

System Requirements

Windows 2000, XP
Minimum RAM: 128MB
At least 4 MB free disk space
Pentium 2 450 MHz or faster CPU
Full Duplex Sound Card
Noise Canceling Microphone

A word about Sound Cards:
Most PCs shipped today have what is known as full duplex sound cards. In other words, the sound card
can send and receive data simultaneously. Typical systems configured for gamers or business applications
are configured with full duplex sound cards. USB microphones, including Bluetooth mics, leverage their own
sound card via the USB port. If you have an older system, you may want to check to make sure your
sound card is full duplex, if not, get a USB microphone.

MICROPHONES
The microphone is an important part of any voice recognition system. No question, you will get the best
results with a headset style noise canceling microphone. Monaural (single ear piece) and Stereo (dual ear
piece) headset microphones are available at most computer stores. That said; VR Commander’s voice
recognition engine is powerful enough to filter out unwanted noise, therefore allowing most microphones
to yield acceptable performance. The table below offers some suggestions on the best microphone to use
for your applications:

Microphone
Type

Features

Recommended Applications

Headset

					Delivers the best performance. Multiple styles available including monaural (single earpiece) and Stereo (dual earpiece). Comes with either two 2.5mm jacks separated for microphone and speakers, or a single USB jack. Note that USB headsets bypass the soundcard internal to the computer (this is good if your internal sound card is not full duplex)

All

Bluetooth

Delivers acceptable performance when
optimized. The Bluetooth headset service
bypasses the internal sound card on your
computer.

PowerPoint. Applications
where it is not convenient to
be near the computer.

Desktop

Delivers acceptable performance. Microphone
should be placed close to the user’s mouth for
best results.

CAD. Applications where it is
not convenient to wear a
headset.

Built into
Computer

Not Recommended, but it will work reasonably
well.

Not Recommended