OVERVIEW
The BCM7452 is a high-definition satellite, cable, and IP set-top box DVR solution offering integrated AVC (H.264/MPEG-4 Part 10), MPEG-4 Part 2, MPEG-2, DivX (3.11, 4.11, 5x), and VC-1 video decoding technology. It combines a data transport processor, high-definition/standard-definition AVC/MPEG-2/VC-1 video decoder, advanced-audio decoder, 2D graphics processing, high-quality video scaling and motion adaptive deinterlacing, six video DACs, stereo high-fidelity audio DACs, a MIPS32/MIPS16e™ class CPU, and a peripheral control unit providing a variety of set-top box control functions.

• Advanced HD AVC/MPEG-2/VC-1 decoder
   • H.264/AVC main and high profile to level 4.1
   • VC-1 simple, main, and advanced profile @ level 3
   • MPEG4 Part 2, DivX® 3.11, 4.x, 5.x
   • HD MPEG-2 and SD MPEG-2
   • MPEG still-picture decode
• Advanced audio processor supporting the following:
   • AAC LC, AAC LC+SBR level 2, AAC+ level 2
   • Dolby® Digital, Dolby Digital Plus
   • MPEG I layers 1, 2, and 3 (MP3)
   • Windows Media® audio
   • One pair of on-chip stereo high-fidelity audio DACs
   • 3D SRS audio support
   • One I2S input port and one I2S output port
   • SPDIF output
• Advanced 2D-effects graphic engine
   • Studio quality text and graphics at HD resolution
   • Supports multiple layers and windows
• Digital noise reduction (DNR)
   • Reduces MPEG artifacts including block noise reduction
   • Reduces mosquito noise
• Motion-adaptive deinterlacer with reverse 3:2/2:2 pulldown
• Letterbox detection
• Multiple simultaneous, independent DVR channels
• OpenCable™ ready with on-chip MPOD support
• 300-MHz MIPS32®/16e class processor
• 64-bit DDR DRAM controller
   • 32-bit for SD AVC/VC-1 decode