<p>假设平台.系统()为您提供操作系统的名称,您可以在Linux和Windows上使用以下命令。它给你一些选择特定声音的自由。在</p>
<pre><code>if platform.system () == 'Linux':
import pyaudio
else:
import winsound
class BeepBase:
def __init__ (self):
self.normalPars = (1000, 0.1)
self.specialPars = (2100, 0.1)
self.attentionPars = (400, 0.5)
if platform.system () == 'Linux':
class Beep (BeepBase):
def __init__ (self):
BeepBase.__init__ (self)
self.sampleFreq = 16000
self.sampleTime = 1. / self.sampleFreq
self.attackTime = 0.001
self.decayTime = 0.015
self.normalWave = self.getWave (*self.normalPars)
self.specialWave = self.getWave (*self.specialPars)
self.attentionWave = self.getWave (*self.attentionPars)
# self.pyAudio = pyaudio.PyAudio () # Gives errors
def done (self): # Never called, may leak resources
self.pyAudio.terminate ()
def getWave (self, frequency, duration):
wave = ''.join ([
chr (int (128 + 127 * math.sin (2 * math.pi * frequency * time) * max (0, min (1, min (time/self.attackTime, (duration - time)/self.decayTime)))))
for time in [self.sampleTime * iSample for iSample in xrange (int (duration / self.sampleTime))]
])
return wave
def any (self, wave):
self.stream = self.pyAudio.open (
format = self.pyAudio.get_format_from_width (1),
channels = 1,
rate = self.sampleFreq,
output = True
)
sleep (0.025)
self.stream.write (wave)
sleep (0.15)
self.stream.stop_stream ()
self.stream.close ()
def normal (self):
if main.settings.sound:
self.any (self.normalWave)
def special (self):
if main.settings.sound:
self.any (self.specialWave)
def attention (self):
if main.settings.sound:
self.any (self.attentionWave)
else:
class Beep (BeepBase):
def normal (self):
if main.settings.sound:
winsound.Beep (self.normalPars [0], int (self.normalPars [1] * 1000))
def special (self):
if main.settings.sound:
winsound.Beep (self.specialPars [0], int (self.specialPars [1] * 1000))
def attention (self):
if main.settings.sound:
winsound.Beep (self.attentionPars [0], int (self.attentionPars [1] * 1000))
beep = Beep ()
</code></pre>