Electronic Engineering

TDM, a growing company

Electronic

TDM develops, assesses and produces embedded equipments on specifications.

  • Digital calculator
  • Uncompressed video transfer
  • Video processing and compression
  • Data acquisition and transmission

Uncompressed video transfer:

  • Analog : standard TV : STANAG
    • Encoder CCIR-656
    • Converter: N/A – custom with synchro extractor and external clamp
  • DVI / HDMI
    – Dedicated component with integrated FPGA
    – EDID Management
    – Equalizer/Reclocker used to increase transmission range
  • PANEL LINK
    – LVDS LCD panel link
    – DISPLAY PORT
    -Dedicated component and FPGA Integration
  • SMPTE 259 / 292
    – Dedicated component and FPGA Integration
    – Range between 100-200m over coaxial cable
  • ARINC 818 (developer of the technology)
    • FPGA Integration
    • Currently being deployed in the aeronautics sector
    • Over fiber optics
    • Analyzer being developed (up to 6.6Gbps)
  • GIGE VISION
  • COAXPRESS
    • Technological monitoring

Video processing :

  • Dedicated switching matrix
  • Warping
    • Ability to distort images for readability on non-flat surfaces (HUD)
    • FPGA processing
  • Resizing
    • Zoom / unzoom
    • Management of the area of interest
    • Distort/prevent distortion of the original image by adding black bars
    • Adaptation of resolution
    • FPGA treatment and/or components dedicated
  • Digital Signal Processing
    • FPGA processing
  • OSD – Inlay
  • Superposition
    • Chromakey
    • Transparency
    • FPGA processing and/or custom components
  • Frame rate converter
    • FPGA processing and external memory

Video compression:

  • MPEG2
    • High compression while preserving image quality
    • 2 main compression profiles (simple/main profile)
    • Standardized for easy playback using standard video players
    • Standardized transmission (streaming)
    • Replaced more and more by H264
  • H264
    • Very high compression while preserving image quality
    • 3 main compression profiles (base/main/high profile)
    • Optional intra compression
    • Standardized for easy playback using standard video players
    • Standardized transmission (streaming)
  • MOTION JPEG & JPEG 2000
    • Intra compression only
    • Low compression ratio to preserve quality (high bit rate)
    • Difficult to achieve playback using standard video players
    • Low latency

Audio:

  • Digital or Analog
  • Un-compressed LPCM
  • Compressed MPEG1-L2
  • Compressed AAC LC

Video and Audio Streaming:

  • MPEG2-TS Container
    • Standardized for easy playback using standard video players
    • For video and/or audio
    • Capability to add metadata (KLV – STANAG 4609)
    • Capability to add Broadcast information (DVB)
    • Standardized transmission on UDP or RTP
    • Container ready to be recorded in a file
  • RTP
    • Standardized transmission Video and/or Audio

Video recording :

  • Video
    • Format to be defined based on operational requirements
    • Time stamping for each frame
    • Encapsulation with metadata
    • Runs under Linux

Data recording :

  • NAS
    • Ethernet 10Gbps/1Gbps Interface
    • Runs under Linux
  • RECORDER
    • Ethernet 10Gbps/1Gbps Interface
    • PCIe Interface Cable
    • Compact PCI/PCIe Interface + Frame Grabber
    • Runs under Linux
  • Recording media
    • SSD and MLC/SLC expertise

Backplane :

  • VME :
    • Operational maintenance
  • cPCI :
  • Application for embedded testing tools
  • Active and mature activity within TDM
  • cPCI SERIAL :
    • Used in ultra high-speed integrated applications
    • Severe environmental constraints
    • Active and mature activity within TDM
  • VPX :
    • Embedded broadband application
    • Severe environmental constraints
    • Active monitoring

Power :

  • Consideration of environmental constraints
    • DO-160 Environmental Conditions And Test Procedures For Airborne Equipment
    • MIL-STD-810 Environmental Test Methods
    • MIL-STD-704 Aircraft Electric Power Characteristics
    • MIL-STD-464 Electromagnetic Environmental Effects Requirements for Systems
    • MIL-STD-461F Requirements for the control of electromagnetic interference characteristics of subsystems and equipment

Integration :

  • Mechanical and system integration
  • Product industrialization
  • Configuration management
  • Export control and traceability management
  • Development of related test benches
  • Product qualification
  • Production and Maintenance Tracking