Sound file handling

• analyze — frequency plot of a sound signal
• auread — load .au sound file
• auwrite — writes .au sound file
• beep — Produce a beep sound
• lin2mu — linear signal to mu-law encoding
• loadwave — load a sound wav file into scilab
• mapsound — Plots a sound map
• mu2lin — mu-law encoding to linear signal
• playsnd — sound player facility
• savewave — save data into a sound wav file.
• sound — sound player facility
• soundsec — generates a vector of samples for t seconds at frequency freq Hz.
• wavread — load .wav sound file
• wavwrite — writes .wav sound file