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Terms 

The following glossary identifies and defines terms used in this article.

ADI

Attitude Director Indicator

AGC

Automatic Gain Control

ASCII

American Standard Code for Information Interchange

ATIS

Automatic Terminal Information Service

BFO

Beat Frequency Oscillator

Binary Data

Digital sound data that is stored in binary format (i.e., a Microsoft WAVE file)

Channel

An output route where sounds are allocated and dispatched

COTS

Commercial-Off-The-Shelf

Design

A V+ visual program constructed of objects and ports, connected via nets that are placed upon a worksheet.

DME

Distance Measuring Equipment. This system uses a VHF radio receiver to measure the distance to a tuned navaid

Device

An individual sound card used in the SimPhonics sound system

DSP

Digital Signal Processor

EFIS

Electronic Flight Instrument System

FAA

Federal Aviation Agency

GPWS

Ground Proximity Warning System

I/O

Input/Output

Loop

A sample that continually repeats itself

LFI

Linear Function Interpolator

Message

An event triggered by a simulation model (e.g., a navigation radio model) and sent to the SimPhonics sound system (typically by ethernet).

Model

Specific to this document, a model is defined as a V+ representation of an aircraft sound

Monaural, Mono

A method of sound reproduction whereby one or more sources are routed to a single channel

Navaid

Radio Navigation Aid transmitter. Provides navigation cues on various instruments in the cockpit

DB

Non-Directional Beacon

Net

The connecting “wire” between V+ objects

Object

One of many V+ constructs used for implementing a design (e.g., Logical And, Logical Or, High Pass Filter, Constant Float, Looped FXDirect Player)

ODBC

Open Database Connectivity

PA

Public Address

Panning

Varying the proportion of an audio signal between channels, typically left and right

Pitch

A subjective quality of a complex sound that is dependent on frequency, loudness, and intensity, most often measured by frequency. In the SimPhonics sound system, the pitch of a sound is, for all intents and purposes, its frequency.

Port

An input/output object connecting a V+ design to real-world signals

Pot

Short for potentiometer. A volume control knob.

PTT

Push-To-Talk

RPM

Revolutions Per Minute

Sample

A digitally stored representation of a sound.

Stereophonic, Stereo

A method of sound reproduction in which two channels are used to give an illusion of a more natural distribution of sources of sound.

TCAS

Traffic Collision Avoidance System

USA

United States of America

V+

Object-oriented visual application development system created by SimPhonics

VHF

Very High Frequency. Navigation and communications radios operate in this bandwidth.

Voice

An internal mixing channel of a sound card

WAVE

Windows digital audio file

Worksheet

A V+ window on which to place objects and ports (saved as a design file)

Beech 1900D Aircraft

Overview

- concept

- space analysis

- speakers & amps

Data Collection

Sound File Editing

Computer Interface

Computer Configuration

Aero & Environmental V+ designs

- top level

- engine

- flaps & fuselage

- gear

- tires & runway

- tire blow

- weather

- windshield

- explosions

- audible warnings

- NAV/DME

- ADF

- marker beacon

Communications V+ Designs

- IOS

- pilot

- copilot

- ATIS

Speaker & Amp Specifications

Host Buffer Interface Table

Terms

 

 
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