IP Video Phone for TMS320DM320™

Overview

Ittiam's iPVP320 reference design offers a complete embedded software solution along with an application specific reference platform on TMS320DM320 processor from TI. The high level of integration offered by the DM320 allows for a cost effective video phone implementation for personal video telephony and light conferencing applications.

The dual core architecture of the DM320 enables integration with popular operating systems such as Windows CE and Linux bringing together video telephony and internet appliances.

Features

• Full duplex audio and video
• Hands-free speaker phone
• Multi-way personal video and audio conferencing
• Supports multiple video coding standards including H.263 and MPEG4
• Supports multiple video resolutions at natural video frame rate
• Supports wide range of speech coding standards covering both narrow and wide band scenarios
• Built on Linux Operating System
• Supports SIP
• Fully integrated hardware and software solution
• Reference designs with interfaces for speaker, microphone, TFT color LCD, TV and CCD camera
• IP Connectivity with Ethernet and Wireless LAN interfaces

Target applications

• Standalone IP video phones for home and enterprise applications
• Portable embedded applications such as integration with Portable Media Players
• Light personal video conferencing for small and medium enterprises

Specification: Software

• Video Codec
• MPEG-4 up to CIF resolution at 30 fps
• H.263 up to CIF resolution at 30 fps
• Multi-way conferencing
• MPEG-4: 3-way at QVGA and 30 fps; 4-way at QCIF and 30 fps
• H.263: 3-way at QVGA and 30 fps
• Full Range of speech coders
• Narrow Band: G.711, G.723.1A, G.729AB
• Wideband: G.722.1
• Acoustic Echo Canceller: For speaker-phones with configurable echo tail lengths, rapid convergence, robust double talk detection
• Silence Suppression: Voice activity detection (VAD) / Comfort noise generation (CNG)
• Telephony Functions: DTMF tone generator and detector, call progress tones generator and detector
• Adaptive Jitter Buffer: Enhanced video and audio quality with various network conditions
• Network/Signaling Features
• Media Control - RTP / RTCP
• Network Control - TCP/IP/UDP, DHCP/FTP
• Integrated Framework with
• OS abstraction layer
• Hardware abstraction layer

Hardware Architecture

Specification: Hardware

• Processor: TMS320DM320™ from Texas Instruments
• Memory
• 4 Mb Flash
• 32 Mb SDRAM
• Audio/Video Interfaces
  • QVGA LCD display (320x240)
  • On board speaker and microphone
  • External Handset and Headset interface
  • Composite Out port
  • PAL camera input
• Communication Interfaces
  • Ethernet port
  • WLAN interface
  • Single socket to support multiple storage devices like Smart Media, Memory Stick, SD Card and MM card
  • USB host and slave port (full speed)
• System Interfaces
• Keypad input (alphanumeric and scroll keys)
• IR port for remote control support
• IDE interface to Hard-disk
• Touch Screen support with LCD
• Dual UART port
• JTAG port
• 5V (4A) power input
• Expansion connectors for future use

Contact

• For further information contact mkt@ittiam.com

Ittiam iPVP320 reference design hardware platform