1. Problems Solution
Breakdowns of Chalkboard User friendly touch screen podium
Unable to view Lecture Ease of
Attribute
audience while Improved Ease of Complete Availabil Implement
writing Tech Learning Teaching Cost Solution ity ation
Tablet PC
w/ video
Constantly needs to capture 7 8 7 9 6 5
look for and change Document
Kevin Crossan chalk colors Camera 5 9 5 7 6 7
Simulcast
James McCloskey 1. The podium accepts video output Lectures 10 8 9 10 10 8
Observations while using from a presenter's laptop and then Interactive
displays the output on a touch
Tablet PC screen. boards 7 8 2 7 6 2
Black
Design
2. The presenter is allowed to make
Still uses pen annotations onto the screen, board 4 10 10 5 5 9
chalkboard along which are then sent to the
projector. Podcast 5 9 8 2 6 8
with tablet 3. The slides from the presenter, the Video
annotations and the audio will be podcast 7 9 4 8 6 6
recorded as a video and can be
Physical uploaded to our web system.
4. Students can access the recorded
interaction with lectures on our web system and
digital medium add their own notes to that lecture.
Presenter's Technical
Computer
VGA
Part Cost Shipping
Embedded Computer
AMD
ASRock K10N78M-PRO AM3/AM2+/AM2 NVIDIA GeForce
VGA->S-Video 8200 Micro ATX AMD Motherboard $56.99 $2.99
Y/C (S-Video) Hauppauge Intel Core 2 Computer case picture AMD Athlon II X3 435 Rana 2.9GHz Socket AM3 95W Triple-
converter box ImpactVCB Quad Q8300 Core Processor Model ADX435WFGIBOX $74.99 $0.00
(Sabrent TV-PC85 ) Subtotal $131.98 $2.99
1 GB DDR2 8 GB Compact Intel
Projector Flash Intel BOXDG41TY LGA 775 Intel G41 Micro ATX Intel
V GA Motherboard $66.99 $2.99
Intel Core 2 Quad Q8300 Yorkfield 2.5GHz LGA 775 95W
Intel GMA 4500 Quad-Core Desktop Processor Model BX80580Q8300 $149.99 $0.99
DV
I Subtotal $216.98 $3.98
19" LCD
Touchscreen LCD Monitor picture Atom
with stylus ECS 945GCD-M(1.0) Intel Atom 330 Intel 945GC Micro ATX
Motherboard/CPU Combo $89.99 $7.56
ZOTAC ZT-96SEQ3P-FDL GeForce 9600 GSO 256MB $59.99 $6.98
Subtotal $149.98 $14.54
GStreamer Pipeline Other
CORSAIR XMS2 1GB 240-Pin DDR2 SDRAM DDR2 675
(PC2 5400) Desktop Memory Model CM2X1024-5400C4 $24.99 $2.99
Patriot 8GB Compact Flash (CF) 266X Flash Card Model
PSF8G266CF $26.49 $2.99
SYBA SD-CF-IDE-DI IDE to Compact Flash Adapter ( Direct
Insertion Mode) $6.99 $2.99
FSP Group ATX300-PA 300W ATX 12V (v2.2) Power Supply $24.99 $8.57
APEX TX-381-C Black Steel Micro ATX Tower Computer Case
$24.99 $14.99
SABRENT PC to TV Converter Box TV-PC85 VGA Interface $32.99 $5.99
Hauppauge ImpactVCB Video Capture Card 558 PCI Interface
$41.99 $2.99
19" LCD Touchscreen Panel Kit (4:3) $99.00 $15.29
19" Dell UltraSharp 1905FP Black LCD Monitor $93.00 $0.00
Rosewill 6 ft. Digital DVI-D Dual link cable Model RCW-401 $7.99 $2.99
Stylus w/ screw terminal mountw/ 24" tether length $7.49 $1.95
Subtotal $357.92 $55.75
Total (Intel) $574.90 $71.35
gst-launch-0.10 -ev v4l2src ! queue ! deinterlace tff=1 fields=1 ! ffvideoscale method=9 ! video/x-raw-yuv,width=768,height=576 ! tee name=gltee ! queue max-size-buffers=1000
Total (Atom) $532.90 $77.93
max-size-bytes=0 max-size-time=0 ! xvimagesink gltee. ! queue max-size-buffers=1000 max-size-bytes=0 max-size-time=0 ! xvimagesink gltee. ! queue max-size-buffers=1000 Total (AMD) $504.90 $66.38
max-size-bytes=0 max-size-time=0 ! x264enc threads=0 pass=5 quantizer=30 me=1 subme=4 bframes=2 weightb=true qp-step=10 vbv-buf-capacity=300 ! rtph264pay config-
interval=10 ! udpsink port=20000 host=224.1.2.3 alsasrc ! queue ! faac bitrate=128000 ! rtpmp4gpay ! udpsink port=20100 host=224.1.2.3