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Update icad_tone.py

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SpudGunMan
2025-11-12 15:48:19 -08:00
parent a5b0fda3ac
commit 2cc5b23753
1 changed files with 9 additions and 3 deletions
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etc/icad_tone.py
+9 -3
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@@ -15,6 +15,7 @@ SAMPLE_RATE = 16000 # Audio sample rate (Hz)
INPUT_CHANNELS = 1 # Number of input channels (1=mono)
MIN_SAMPLES = 4096 # Minimum samples per detection window (increase for better accuracy)
STREAM_BUFFER = 32000 # Number of bytes to buffer before detection (for MP3 streams)
INPUT_DEVICE = 0 # Set to device index or name, or None for default
# ---------------------------
import sys
@@ -84,7 +85,11 @@ def main():
print(" iCAD Tone Decoder for Meshing-Around Booting Up!")
if AUDIO_SOURCE == "soundcard":
try:
device_info = sd.query_devices(kind='input')
if INPUT_DEVICE is not None:
sd.default.device = INPUT_DEVICE
device_info = sd.query_devices(INPUT_DEVICE, kind='input')
else:
device_info = sd.query_devices(sd.default.device, kind='input')
device_name = device_info['name']
except Exception:
device_name = "Unknown"
@@ -132,7 +137,9 @@ def main():
if audio.channels > 1:
audio = audio.set_channels(1)
# --- Simple audio level detection ---
samples = np.array(audio.get_array_of_samples()) / 32767.0
samples = np.array(audio.get_array_of_samples())
if samples.dtype != np.float32:
samples = samples.astype(np.float32) / 32767.0 # Normalize to -1..1
rms = np.sqrt(np.mean(samples**2))
if rms > 0.01:
print(f"Audio detected! RMS: {rms:.3f} ", end='\r')
@@ -196,4 +203,3 @@ def main():
if __name__ == "__main__":
main()