IME6400: MPEG4/2/1 Multimedia Encoder

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IME-6400

Features

Video Processing

Real-time MPEG4/MPEG2/MPEG1 video encoding

- ISO/IEC 13818-2, MP@ML & SP@ML

- ISO/IEC 14496-2, MPEG4 SOP @LEVEL3

- 525/60(NTSC) up to 720x480 @ 30fps

- 625/50(PAL) up to 720x576 @ 25fps

Supports I, P & B Frame Compression

Flexible GOP Structure : Variable M,N - IBBP, IBP, IP, I frame only

Variable Picture Size : programmable, up to 2048 x 2048

Large Motion Estimation Search Range : with halfpel accuracy

- P Pictures : X = [ -64 , +64 ], Y = [ -32 , +32 ]

- B Pictures : X = [ -32 , +32 ], Y = [ -32 , +32 ]

Motion Estimation in Frame/Field/16x8 Modes

Bit rate control : VBR/CBR

Color Format : 4:2:2 to 4:2:0 conversion

Error Concealment/Resilience : Resync Marker

Adaptive Field/Frame Modes, Field/Frame DCT

Alternate & Zigzag Scan Support

8-11bit DC Precision

Random Access within Video Stream

Motion Detection (Scene Change Detection)

Fade-In/Out, Flash Insertion & Detection

Adaptive Decision (Intra/MC)

3:2 Pull-Down

Audio Processing

Supports ISO/IEC 13818-3 MPEG-1 Layer 2

48/44.1/32/24/22.05/16KHz Samplings Supported

Encodes Stereo Channels

Synchronous Serial Interface for Optional External Audio DSP

System

Real-time Video/Audio Multiplexing

Elementary, Program, and Transport Stream Support

User Data Insertion Supported.

Peripheral Interface

Glueless Interface to Industry Standard Video Decoders and CMOS Image Sensor

32-bit Synchronous DRAM Bus Interface

I2C Master Interface

Optional external boot ROM

Optional external program SRAM memory for extension.