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Delete sound.py
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sound.py
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sound.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Fri Dec 11 17:47:32 2020
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@author: DJ2LS
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"""
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import pyaudio
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import audioop
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import logging
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class Audio():
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def __init__(self,
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defaultFrames = 1024 * 8,
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audio_input_device=2,
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audio_output_device=0,
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tx_sample_state = None,
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rx_sample_state = None,
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audio_sample_rate=48000,
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modem_sample_rate=8000,
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frames_per_buffer=1024,
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audio_channels=1,
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#format = pyaudio.paInt16,
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stream = None,
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):
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self.p = pyaudio.PyAudio()
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self.defaultFrames = defaultFrames
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self.audio_input_device = audio_input_device
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self.audio_output_device = audio_output_device
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self.tx_sample_state = tx_sample_state
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self.rx_sample_state = rx_sample_state
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self.audio_sample_rate = audio_sample_rate
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self.modem_sample_rate = modem_sample_rate
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self.frames_per_buffer = frames_per_buffer
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self.audio_channels = audio_channels
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self.format = pyaudio.paInt16
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self.stream = None
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logging.info("AUDIO Initialized")
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# PLAY MODULATED AUDIO
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def Play(self, modulation):
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stream_tx = self.p.open(format=self.format,
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channels=self.audio_channels,
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rate=self.audio_sample_rate,
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frames_per_buffer=self.frames_per_buffer,
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output=True,
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output_device_index=self.audio_output_device,
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)
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audio = audioop.ratecv(modulation,2,1,self.modem_sample_rate, self.audio_sample_rate, self.tx_sample_state)
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stream_tx.write(audio[0])
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stream_tx.close()
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#self.p.terminate()
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# RECORD AUDIO
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def Record(self):
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stream_rx = self.p.open(format=self.format,
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channels=self.audio_channels,
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rate=self.audio_sample_rate,
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frames_per_buffer=self.frames_per_buffer, #modem.get_n_max_modem_samples()
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input=True,
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input_device_index=self.audio_input_device,
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)
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#audio = audioop.ratecv(modulation,2,1,modem_sample_rate, audio_sample_rate, tx_sample_state)
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#stream.read(audio[0])
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data = stream_rx.read(self.defaultFrames)
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data = audioop.ratecv(data,2,1,self.audio_sample_rate, self.modem_sample_rate, self.rx_sample_state)
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#stream_rx.close()
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#self.p.terminate()
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return data
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