Multi-Media Pre-Test

Subjective Test MethodologyEarly Results

NTIA/ITS

Experiment Design

Video 80 Processed Scenes VGA, CIF, QCIF Uniform MOS Flawed Originals Color Impairments Transmission Errors ≈75 Original Scenes

Viewers 40 Processed

Scenes One Resolution ACR-HRR & DSIS Random

Presentation

Hardware & Software Monitor: ViewSonic 912b 19” LCD PC Dell Dimension Pentium D 840

w/ Dual Core, 3.2GHz, 800FSB Memory: 2GB Dual Channel DDR2 SDRAM, 667MHz Video: 256MB PCI Express x16 ATI Radeon X850 XT Hard Drive: 160GB Performance RAID 0 (2 x 80 GB,

10000 RPM SATA)

MPlayer NTIA Subjective Tester

Current Results

Independent Subject Pools 17 QCIF subjects 16 VGA subjects 0 CIF subjects

Subjects Public Safety Personnel U.S. Department of Commerce

Employees