Digital Signal Processor

HARDWARE

• JTAG supported via USB
• TLV320AIC23B programmable stereo codec.
• Two 3.5mm audio jacks for microphone and speaker
• Expansion port for plug-in modules.
• Power supply: +5V, ±12V, GND
• 8 DIP switches for inputs and 8 LED indication for output Provision for manual Reset
• On board 4*4 LED matrix
• On board white noise source of amplitude 0 ∼ 5Vpp
• On board 20*2-character LCD display.
• On board 7 segment displays.
• On board RTC interface: I2C based RTC section. On board phone keypad: 0 to 9 digits and *, # characters.
• Code composer studio for the TMS320C6745 is included.

 NOTE

• JTAG to USB Programming cable for DSP has to be purchased separately.

 EXPERIMENTS

• To study the architecture of DSP chips – TMS320C6X instructions.
• To verify linear and circular convolution.
• To design FIR (LP/HP/BP) filters using windowing technique
• Using rectangular window
• Using triangular window
• Using Kaiser window
• To implement IIR(HP/LP/BP) using following window.
• Chebyshev filter
• Butterworth filter
• N-point FFT algorithm
• N-point DFT and IDFT of given sequence.
• Frequency response of system which is given in transfer function and differential form.
• Power spectrum density.
• Generation of sine wave.
• DFT and IFFT using DIT and DIF methods.
• Auto-correlation, cross-correlation and its property.
• Sampling of sine signal.
• Amplitude modulation, frequency modulation and FSK modulation.
• FIR filter using Blackman and hamming window.
• Generation of square wave
• Implementation of decimation, interpolation and I/D sampling rate converter.
• Impulse response of 1^st and 2^nd order system.
• Addition and removal of noise.
• Spectrogram of audio or sine signal.
• Generation of DTMF signals and spectrogram of DTMF signal
• RTC displayed on LCD
• Signal companding using µ-law.
• Generation of sinusoidal wave based on recursive differential equation.
• Generation of sinusoidal through filtering.
• To find the FFT of given signal.
• FIR filter using Fourier series expansion method.

Image processing

• Digital image fundamentals
• Image enhancement.
• Image filtering
• Image reconstruction
• Color image processing
• Image compression
• Image Segmentation
• Morphology image processing