feat: 🔖 Deploy v1.0
Commented out rotary dialer for now
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config.yaml
Normal file
9
config.yaml
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@ -0,0 +1,9 @@
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hook_gpio: 22
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rotary_gpio: 3
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rotary_hold_time: 0.25
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rotary_hold_repeat: true
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playback_reduction: 16
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beep_reduction: 24
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sample_rate: 44100
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buffer_size: 4096
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channels: 2
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@ -1,32 +1,39 @@
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#! /usr/bin/env python3
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import os
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import yaml
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import pyaudio
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import time
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import wave
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from datetime import datetime
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from gpiozero import Button
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from multiprocessing import Process
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from signal import pause
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from pydub.scipy_effects import band_pass_filter
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from pydub.effects import normalize, compress_dynamic_range, low_pass_filter, high_pass_filter
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from pydub.effects import normalize
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from pydub import AudioSegment
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from pydub.playback import play
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hook = Button(17)
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rotaryDial = Button(18, hold_time=0.25, hold_repeat=True)
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count = 0
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dialed = []
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reset_flag = False
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with open("config.yaml") as f:
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config = yaml.load(f, Loader=yaml.FullLoader)
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hook = Button(config["hook_gpio"])
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# rotaryDial = Button(pin=config['rotary_gpio'], hold_time=config['rotary_hold_time'], hold_repeat=config['rotary_hold_repeat'])
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"""
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TODO: These globals are a temp solution for the rotary dialer, would love to not
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depend on globals for this logic.
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"""
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# count = 0
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# dialed = []
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# reset_flag = False
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# TODO: rotary encoder: special key codes trigger certain voicemails
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class AudioInterface:
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def __init__(self) -> None:
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self.audio = pyaudio.PyAudio() # create pyaudio instantiation
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self.samp_rate = 44100 # 44.1kHz sampling rate
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self.chunk = 4096 # 2^12 samples for buffer
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self.chans = 1 # 1 channel
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self.audio = pyaudio.PyAudio()
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self.samp_rate = config["sample_rate"]
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self.chunk = config["buffer_size"]
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self.chans = config["channels"]
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self.format = pyaudio.paInt16 # 16-bit resolution
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self.frames = [] # raw data frames recorded from mic
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@ -43,8 +50,9 @@ class AudioInterface:
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)
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# loop through stream and append audio chunks to frame array
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try:
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# TODO: either pass hook as object into class, or figure out another cleaner solution
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while hook.is_pressed:
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data = self.stream.read(self.chunk, exception_on_overflow = True) # Set to False when live
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data = self.stream.read(self.chunk, exception_on_overflow=True)
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self.frames.append(data)
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except KeyboardInterrupt:
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print("Done recording")
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@ -65,11 +73,12 @@ class AudioInterface:
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self.stream.write(data)
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data = self.wf.readframes(self.chunk)
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def stop(self):
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# stop the stream, close it, and terminate the pyaudio instantiation
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# stop the stream
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self.stream.stop_stream()
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# close it
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self.stream.close()
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# terminate the pyaudio instantiation
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self.audio.terminate()
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def close(self, outputFile):
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@ -80,83 +89,123 @@ class AudioInterface:
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wavefile.setframerate(self.samp_rate)
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wavefile.writeframes(b"".join(self.frames))
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def postProcess(self, outputFile):
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source = AudioSegment.from_file(outputFile + ".wav", format="wav")
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"""
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TODO: Evaluate whether this is worthwhile...
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"""
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source = AudioSegment.from_wav(outputFile + ".wav")
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print("Filtering...")
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filtered = band_pass_filter(source, 200, 15000)
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filtered = band_pass_filter(source, 300, 10000)
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print("Normalizing...")
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normalized = normalize(filtered)
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# print("Compress Dynamic Range")
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# compressed = compress_dynamic_range(normalized)
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print("Exporting normalized")
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normalized.export(outputFile + "normalized.mp3", format="mp3")
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normalized.export(outputFile + "normalized.wav", format="wav")
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# print("Exporting compressed")
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# compressed.export(outputFile + "compressed.mp3", format="mp3")
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print("Finished...")
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# Effects.apply_gain_stereo(audio_segment, 3, 3)
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def offHook():
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audioInterface = AudioInterface()
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print("Phone off hook, ready to begin!")
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# wait a second for user to place phone to ear
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time.sleep(1)
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# if dialed and dialed[0] == 0:
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audioInterface = AudioInterface()
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# playback voice message through speaker
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print("Playing voicemail message...")
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# audioInterface.play(os.getcwd() + "/sounds/voicemail.wav")
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play(AudioSegment.from_wav(os.getcwd() + "/sounds/voicemail.wav"))
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play(
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AudioSegment.from_wav(
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os.path.dirname(os.path.abspath("rotaryGuestBook.py"))
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+ "/sounds/voicemail.wav"
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)
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- config["playback_reduction"]
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)
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# start recording beep
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print("Playing beep...")
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# audioInterface.play(os.getcwd() + "/sounds/beep.wav")
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play(AudioSegment.from_file(os.getcwd() + "/sounds/beep.wav", format="wav") - 16)
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play(
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AudioSegment.from_wav(
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os.path.dirname(os.path.abspath("rotaryGuestBook.py")) + "/sounds/beep.wav"
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)
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- config["beep_reduction"]
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)
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# now, while phone is not off the hook, record audio from the microphone
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print("recording")
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audioInterface.record()
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audioInterface.stop()
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outputFile = os.getcwd() + "/recordings/" + f"{datetime.now().isoformat()}"
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outputFile = (
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os.path.dirname(os.path.abspath("rotaryGuestBook.py"))
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+ "/recordings/"
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+ f"{datetime.now().isoformat()}"
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)
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audioInterface.close(outputFile + ".wav")
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print("finished recording")
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print("spawn postProcessing thread")
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Process(target=audioInterface.postProcess, args=(outputFile,)).start()
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"""
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post processing
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"""
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# print("spawn postProcessing thread")
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# Process(target=audioInterface.postProcess, args=(outputFil e,)).start()
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"""
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rotary dialer special messages
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"""
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# if dialed[0:3] == [9,2,7]:
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# # play special vm
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# play(AudioSegment.from_wav(os.path.dirname(os.path.abspath("rotaryGuestBook.py")) + "/sounds/927.wav") - config['playback_reduction'])
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# elif dialed[0:4] == [5,4,5,3]:
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# # play special vm
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# play(AudioSegment.from_wav(os.path.dirname(os.path.abspath("rotaryGuestBook.py")) + "/sounds/beep.wav") - config['beep_reduction'])
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def onHook():
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print("Phone on hook. Sleeping...")
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# print("Resetting dial list")
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# global dialed
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# dialed = []
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# reset_pulse_counter()
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def dialing():
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global count, reset_flag
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count+=1
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print(f"dialing, increment count: {count}")
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reset_flag = False
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# def dialing():
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# if hook.is_pressed:
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# global count, reset_flag
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# count+=1
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# print(f"dialing, increment count: {count}")
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# reset_flag = False
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def reset():
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global count, reset_flag
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count = 0
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toggle = False
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print(f"reset count: {count}")
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reset_flag = True
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# def reset_pulse_counter():
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# global count, reset_flag
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# count = 0
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# print(f"reset count: {count}")
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# reset_flag = True
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def held():
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if(not reset_flag):
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print("holding")
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print(count)
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global dialed
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if (count == 10):
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dialed.append(0)
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else:
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dialed.append(count)
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print(f"number dialed: {dialed}")
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reset()
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# def held():
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# if not reset_flag:
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# print("holding")
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# print(count)
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# global dialed
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# if (count == 10):
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# dialed.append(0)
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# else:
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# dialed.append(count)
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# print(f"number dialed: {dialed}")
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# offHook()
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# reset_pulse_counter()
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def main():
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rotaryDial.when_pressed = dialing
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rotaryDial.when_held = held
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# rotaryDial.when_pressed = dialing
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# rotaryDial.when_held = held
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hook.when_pressed = offHook
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hook.when_released = onHook
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pause()
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