ecoute/AudioRecorder.py
2023-08-24 18:35:07 -04:00

58 lines
2.2 KiB
Python

import custom_speech_recognition as sr
import pyaudio
from datetime import datetime
RECORD_TIMEOUT = 3
ENERGY_THRESHOLD = 1000
DYNAMIC_ENERGY_THRESHOLD = False
class BaseRecorder:
def __init__(self, source, source_name):
self.recorder = sr.Recognizer()
self.recorder.energy_threshold = ENERGY_THRESHOLD
self.recorder.dynamic_energy_threshold = DYNAMIC_ENERGY_THRESHOLD
if source is None:
raise ValueError("audio source can't be None")
self.source = source
self.source_name = source_name
def adjust_for_noise(self, device_name, msg):
print(f"[INFO] Adjusting for ambient noise from {device_name}. " + msg)
with self.source:
self.recorder.adjust_for_ambient_noise(self.source)
print(f"[INFO] Completed ambient noise adjustment for {device_name}.")
def record_into_queue(self, audio_queue):
def record_callback(_, audio:sr.AudioData) -> None:
data = audio.get_raw_data()
audio_queue.put((self.source_name, data, datetime.utcnow()))
self.recorder.listen_in_background(self.source, record_callback, phrase_time_limit=RECORD_TIMEOUT)
class DefaultMicRecorder(BaseRecorder):
def __init__(self):
super().__init__(source=sr.Microphone(sample_rate=16000), source_name="You")
self.adjust_for_noise("Default Mic", "Please make some noise from the Default Mic...")
class DefaultSpeakerRecorder(BaseRecorder):
def __init__(self):
p = pyaudio.PyAudio()
# Get default input device information
default_input_device_info = p.get_default_input_device_info()
source = sr.Microphone(
device_index=default_input_device_info["index"],
sample_rate=int(default_input_device_info["defaultSampleRate"]),
chunk_size=pyaudio.get_sample_size(pyaudio.paInt16),
channels=default_input_device_info["maxInputChannels"]
)
super().__init__(source=source, source_name="Speaker")
self.adjust_for_noise("Default Speaker", "Please make or play some noise from the Default Speaker...")
# Don't forget to close PyAudio object when you're done
p.terminate()