python-programs/Morse code in python at master · 153armstrong/python-programs · GitHub

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import os
import platform
text=""
text= raw_input("enter word to be played back in morse code:")
length= len(text)

alphabets=["","10","0111","0101","011","1","1101","001","1111","11","1000","010","1011","00","01","000","1001","0010","101","111","0","110","1110","100","0110","0100","0011"]


# added the first string as "" so that alphabets position remain unchanged i.e 1-26

the_platform = platform.system()

if( the_platform == 'Windows' ):
	import winsound
	for i in range(0,length):
		#print text[i]
		#ascii= ord(text[i])	#letter to ascii
		#ascii= int(ascii) - 96  # so that alphabets lie in 1-26

		ascii= int(ord(text[i])) - 96
		a= str(alphabets[ascii])
		l= len(a)

		for j in range(0,l):
			if( int(a[j]) == 1 ):
				print "1"
				winsound.Beep(1000,0.125*1000)	#winsound module -- time is in microseconds, hence has to be multiplied by 1000
				winsound.Beep(1000,0.055*1000)
			elif( int(a[j]) == 0):
				print "0"
				winsound.Beep(1000,0.25*1000)
				winsound.Beep(1000,0.055*1000)


else:

	for i in range(0,length):
		#print text[i]
		#ascii= ord(text[i])	#letter to ascii
		#ascii= int(ascii) - 96  # so that alphabets lie in 1-26

		ascii= int(ord(text[i])) - 96
		a= str(alphabets[ascii])
		l= len(a)

		# 1- short note
		# 0 - long note
		# a- duration
		# b- frequency
		for j in range(0,l):
			if( int(a[j]) == 1 ):
				print "1"
				os.system('play --no-show-progress --null --channels 1 synth %s sine %f' % ( 0.125, 1000))
				os.system('play --no-show-progress --null --channels 1 synth %s sine %f' % ( 0.055, 0))
			elif( int(a[j]) == 0):
				print "0"
				os.system('play --no-show-progress --null --channels 1 synth %s sine %f' % ( 0.25, 1000))
				os.system('play --no-show-progress --null --channels 1 synth %s sine %f' % ( 0.055, 0))