BBT - Functional Testing of Multimedia Devices

One-stop shop approach

This tool is intended for CE industry in order to speed-up testing procedure.
With this test tool you get test report fully compliant with certification labs expectations.

Flexible business models

RT-BBA-TS is now available as:
  • hardware and software
  • software only, installed on customer's existing hardware
  • testing service in our laboratories

Open solution

  • no time/project limits
  • open for further improvements and modifications

In-house audio DSP expertise

Since 1998, team of more than 30 experts is in this arena implemented 50+ Audio DSP applications on more than 15 different DSPs including: Motorola, Micronas, Cirrus Logic, Zoran, ARM, MIPS, x86 etc.

Automated Baseband Testing

BBT automated Baseband test suite environment for DTV testing consists of 

  • PC station running RT EXECUTOR with the test project
  • RC emulator for TV control
  • Signal generators (FLUKE, ASTRO, QUANTUM) to feed TV inputs
  • Audio Precision 2700
  • SWR-2755M output switcher for TV input feed multiplex
  • SWR-2755F input switcher for AP feed multiplex
  • HDMI switcher to feed multiple HDMI TV inputs
  • Audio streaming card (for Dolby ProLogic II)

baseband_copy

Comprehensive Baseband test suite covers the following

  • Sound call up time
  • Maximum audio output power
  • THD at maximum audio output power
  • THD at 50mW audio output power
  • Signal to noise ratio
  • Signal to buzz ratio
  • Crosstalk AV to TV – TV to AV
  • Deep noise
  • Frequency response
  • Bass frequency response
  • Treble frequency response
  • Pop noise
  • Horizontal hum noise
  • Vertical hum noise
  • Video noise on the audio output
  • Automatic Volume Leveling (AVL)
  • Equalizer
  • Dolby ProLogic II 

Expected values are given as referent values with allowed tolerance, or as previously recorded graphic outputs.

The tests run through all TV’s inputs/outputs. For the full scenario, see Sound_Performance document.

The test suite can be expanded to perform additional tests and features.