
Philips Electronics
GENERAL DESCRIPTION
The SAA4998H is a high performance video processor featuring Natural Motion(2), for all global TV standards (PAL, NTSC and SECAM). It is used together with the picture improvement processor SAA4978H and SAA4979H.
FEATURES
• Motion compensated frame rate upconversion of all 1fH film and video standards up to 292 active input lines per field:
– 50 Hz interlaced to 60 Hz progressive {(60p mode for LCD and Plasma Display (PDP) TV}
– 50 Hz interlaced to 75 Hz interlaced {75i mode for jumbo screens, Projection TV (PTV)}
– 50 Hz interlaced to 100 Hz interlaced (high-end 100 Hz TV)
– 50 Hz interlaced to 50 Hz progressive (progressive scan TV and LCD and PDP TV)
– 60 Hz interlaced to 60 Hz progressive (progressive scan TV and LCD and PDP TV)
– 60 Hz interlaced to 90 Hz interlaced (jumbo screens, PTV)
– 60 Hz interlaced to 120 Hz interlaced (multistandard high-end 100 Hz TV)
• 480 active lines (NTSC like) or 506 active lines in 50 Hz interlaced to 60 Hz progressive mode
• Motion compensated and Edge Dependent De-Interlacing (EDDI)(1)
• Motion estimated film mode detection
• Motion compensated movie judder cancellation:
– 25 Hz 2 : 2 pull-down (PAL) to 60 Hz progressive or 75 Hz interlaced or 100 Hz interlaced or 50 Hz progressive
– 30 Hz 2 : 2 pull-down (NTSC) to 60 Hz progressive or 90 Hz interlaced or 120 Hz interlaced
– 24 Hz 3 : 2 pull-down (NTSC) to 60 Hz progressive or 90 Hz interlaced or 120 Hz interlaced
• Variable vertical sharpness enhancement
• High quality vertical zoom
• Motion compensated temporal noise reduction with after-imaging cancellation
• Split screen demonstration mode
• 2 Mbaud serial interface (SNERT)
• Embedded 2 × 2.9-Mbit DRAM
• Full 8-bit accuracy
• Memory buffer for Picture-In-Picture (PIP)
• Lead-free package.