Harris Broadcast
- Ingénieur électrique
2006 - maintenant
- Software defined radio (HD radio, China Digital Radio)
Xilinx Zynq FPGA, USB, DDR3, I2C, I2S, SD Card, AXI4, AXI4 DMA, AES/EBU digital audio, Gigabit Ethernet, HD Radio, ChinaDR, GTX transciever, 100% digital PLL, iButton controller. The dual-core ARM processor in the Zynq executed OFDM modulation algortihm on embedded Linux OS platform.
- RMXengine network audio mixer
Virtex-5 FPGA, audio mixing, VistaMax (proprietary OC3 network delivery of digital audio).
- Oasis Digital Audio Mixing Console
FPGA architect. Spartan-6 FPGA, USB audio input, audio signal processing in TI DSP TDA3108, remote FPGA code download via USB from a Windows PC, VistaMax proprietary OC3 network delivery of digital audio, analog audio A/D, digital audio AES/EBU transmitter, iButton controller, I2S audio I/O, I2C DSP control, TDM audio data path, SPI FPGA code update
- XMQuadra Network Audio Source
Audio delivered from Windows PC via USB, VistaMax audio network switching matrix and OC3 content delivery, PLL
- 16 channel audio source selector
Spartan-3A FPGA, custom dot-matrix display controller, user interface 100% implemented in FPGA state machines
- HDE-200 HD Radio Exporter (audio content delivery)
ARM processor serial interface for audio data path, PLL to GPS reference, custom SDRAM controller for audio delay, display and keypad user interface in FPGA, audio delay ramp up and ramp down controller
- Voice Processing technology development
Designed six biquad-based digital filter for audio signal processing.
Created functional filter simulation tool on Excel using VisualBasic.
- NetWave Digital Audio Mixing Console
Finished remaining 30% of FPGA design in progress. Debugged 100% of the design.
