context level diagrams examples
Post on 13-Apr-2015
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Examples of Context Level Diagrams
Courtesy of the Fall 2004 ECE-163 class.
Context LevelSignal Flow Block Diagram
Increased Incoming Voice Signal
Outgoing Voice Signal with Ambient Noise
Line Pair to Phone Base
Line Pair to Phone Company
Signal Flow Legend for Line to Phone Company
Signal DirectionDecreased Outgoing VoiceSignal with Ambient Noise
Unprocessed IncomingVoice Signal
Telephone Control Signals
Signal Flow Legend for Line to Phone Base
Signal DirectionOutgoing VoiceSignal with Ambient Noise
Increased IncomingVoice Signal
Telephone Control Signals
Audio Signal
Control Signal
Context Level Block Diagram
Hand Device Base station
Pointing device
User’s hand movement
Cursor movement
Access ControlHardware
Pet w/ Collar Approaches
Door
Animal w/o Collar
Pet Door Opens & Closes
Pet Door Remains
Shut
Wireless Analog Communication
Access Commands
No Communication No Command Signals
Human User Interface
(LCD/Buttons)
User Input
Information
Output*Button presses
data
* - Time of last access and whether a pet is currently inside or outside.
Context Level Block Diagram
User Input Cough
Recorder
“Control” Coughs(Serves as Basis for Cluster Analysis)
Parameters and Graphs Produced From
Time-Domain and Frequency Domain Analysis
Results from Cluster and Discriminant
Analysis
PC – Software Program
MIDI Drum SignalTo be Humanized
MIDI Drum Humanizer `
Other MIDI Device
User SetsParameters
Context Level Block Diagram
Context Level Design
Flash and Light SensorSurface
Temperature Display (output)
Phosphor
User Input (button press)
Light
Context-Level Diagram
Node Computer Interface
Tx Rx
1. Motion Event
3. Sensor Triggered + Timestamp
2. IR LEDs blinking in unique pattern indicative of order
4. Node triggering and intruder path information displayed on GUI
Touch Screen Display
Digitally Controlled 3 Channel Audio Mixer
User input
Audio input A
Audio input B
Audio input C
Analog out to speaker
USB out to PC
User input
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