main application with tuning, playing, and GUI

fmdemod.py

@@ -0,0 +1,27 @@
+from pydub import AudioSegment
+from pydub.effects import low_pass_filter
+from pydub.playback import play
+import sounddevice as sd
+import numpy as np
+
+# Input file path
+input_file = "fm_data.raw"
+
+# Load the audio file
+audio = AudioSegment.from_file(input_file, format="raw", sample_width=2, channels=1, frame_rate=170000)
+
+# Apply low pass filter (if needed)
+audio = low_pass_filter(audio, 75000)
+
+play(audio)
+
+# Convert to numpy array
+# samples = np.array(audio.get_array_of_samples())
+
+# # Play the audio using sounddevice
+# sd.play(samples, samplerate=audio.frame_rate)
+# sd.wait()
+
+# audio.export("fm_data.wav", format="wav")
+
+# rx_fm -f 94.7M -M fm -s 170k -A fast -l 0 -E deemp -d driver=hackrf fm_data.raw