wip

process

@@ -44,27 +44,22 @@ def process_recording(filename):
     for block in soundfile.blocks(path, blocksize=samples_per_block, overlap=overlapping_samples):
         sample_num += samples_per_block - overlapping_samples
 
-        # get block date and calculate FFT
-        block_date = recording_date + datetime.timedelta(seconds=sample_num / samplerate)
+        # calculate FFT
         labels = rfftfreq(len(block), d=1/samplerate)
         complex_amplitudes = rfft(block)
         amplitudes = np.abs(complex_amplitudes)
 
-        # get amplitudes only between 100 and 1000 Hz
+        # get the frequency with the highest amplitude within the search range
         search_amplitudes = amplitudes[(labels >= DETECT_FREQUENCY_FROM/ADJACENCY_FACTOR) & (labels <= DETECT_FREQUENCY_TO*ADJACENCY_FACTOR)]
         search_labels = labels[(labels >= DETECT_FREQUENCY_FROM/ADJACENCY_FACTOR) & (labels <= DETECT_FREQUENCY_TO*ADJACENCY_FACTOR)]
-
-        # get the frequency with the highest amplitude
         max_amplitude = max(search_amplitudes)
         max_amplitude_index = np.argmax(search_amplitudes)
         max_freq = search_labels[max_amplitude_index]
+        max_freq_detected = DETECT_FREQUENCY_FROM <= max_freq <= DETECT_FREQUENCY_TO
 
-        # get the average amplitude of the search frequencies
+        # calculate signal quality
         adjacent_amplitudes = amplitudes[(labels < DETECT_FREQUENCY_FROM) | (labels > DETECT_FREQUENCY_TO)]
         signal_quality = max_amplitude/np.mean(adjacent_amplitudes)
-
-        # check for detection criteria
-        max_freq_detected = DETECT_FREQUENCY_FROM <= max_freq <= DETECT_FREQUENCY_TO
         good_signal_quality = signal_quality > MIN_SIGNAL_QUALITY
 
         # conclude detection
@@ -72,6 +67,8 @@ def process_recording(filename):
             max_freq_detected and
             good_signal_quality
         ):
+            block_date = recording_date + datetime.timedelta(seconds=sample_num / samplerate)
+
             # detecting an event
             if not current_event:
                 current_event = {
@@ -117,7 +114,10 @@ def main():
 
     for filename in sorted(os.listdir(RECORDINGS_DIR)):
         if filename.endswith(".flac"):
-            process_recording(filename)
+            try:
+                process_recording(filename)
+            except Exception as e:
+                print(f"Error processing {filename}: {e}")
 
 
 if __name__ == "__main__":