Linux-ru

Код: Выделить всё

#!/usr/bin/env python
import os
import struct
import subprocess

small_fir =  [
392.00,392.00,329.63,329.63,392.00,392.00,
329.63,329.63,392.00,349.23,
329.63,293.66,261.63,261.63,261.63,

440.00,440.00,523.25,440.00,392.00,392.00,
329.63,329.63,392.00,349.23,
329.63,293.66,261.63,261.63,261.63,

440.00,440.00,523.25,440.00,392.00,392.00,
329.63,329.63,392.00,349.23,
329.63,293.66,261.63,261.63,261.63
]

PI = 3.14159
time = 0.25
samplerate = 44100
samplelenght = 44100*time
amplitude = 16384.0
sine = 0.0

audio=file('rus_lin.raw','wb')
for note_frq in small_fir:
	temp = 2*PI*note_frq/samplerate
	for x in  range(0,int(0.5+samplelenght)):
		sine += temp*amplitude; amplitude -= temp*sine
		audio.write(struct.pack('h',int(0.5+sine)))
audio.close()

subprocess.call(['aplay -f S16_LE -c1 -r44100 rus_lin.raw'], shell=True)

Код: Выделить всё

$ python gensound.py
Воспроизведение Сырые данные 'rus_lin.raw' : Signed 16 bit Little Endian, Частота 44100 Гц, Моно