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 n sampled seconds of time parameter
• wavread load .wav sound file
• wavwrite writes .wav sound file