def initialize_audio(self):
"""Set up parameters for audio recording."""
self._format = QAudioFormat()
self._format.setSampleRate(44100)
self._format.setChannelCount(1)
self._format.setSampleSize(8)
self._format.setSampleType(QAudioFormat.UnSignedInt)
self._format.setByteOrder(QAudioFormat.LittleEndian)
self._format.setCodec("audio/pcm")
device_info = QAudioDeviceInfo(self._device)
if not device_info.isFormatSupported(self._format):
print("Default format not supported - trying to use nearest.")
self._format = device_info.nearestFormat(self._format)
self._audio_data_handler = AudioDataHandler(self._format)
self._audio_input = QAudioInput(self._device, self._format)
self._audio_data_handler.data_ready.connect(self.data_ready)
def initializeAudio(self):
self.m_pullTimer = QTimer(self)
self.m_pullTimer.timeout.connect(self.pullTimerExpired)
self.m_pullMode = True
self.m_format = QAudioFormat()
self.m_format.setSampleRate(self.DataSampleRateHz)
self.m_format.setChannelCount(1)
self.m_format.setSampleSize(16)
self.m_format.setCodec('audio/pcm')
self.m_format.setByteOrder(QAudioFormat.LittleEndian)
self.m_format.setSampleType(QAudioFormat.SignedInt)
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if not info.isFormatSupported(self.m_format):
qWarning("Default format not supported - trying to use nearest")
self.m_format = info.nearestFormat(self.m_format)
self.m_generator = Generator(self.m_format,
self.DurationSeconds * 1000000, self.ToneSampleRateHz, self)
self.createAudioOutput()