diff --git a/process b/process
index ea335aa..484df53 100755
--- a/process
+++ b/process
@@ -19,7 +19,8 @@ DETECT_FREQUENCY_FROM = DETECT_FREQUENCY - DETECT_FREQUENCY_TOLERANCE # Hz
 DETECT_FREQUENCY_TO = DETECT_FREQUENCY + DETECT_FREQUENCY_TOLERANCE # Hz
 ADJACENCY_FACTOR = 2 # area to look for the frequency (e.g. 2 means 100Hz to 400Hz for 200Hz detection)
 BLOCK_SECONDS = 3 # seconds (longer means more frequency resolution, but less time resolution)
-DETECTION_DISTANCE = 30 # seconds (minimum time between detections)
+DETECTION_DISTANCE_SECONDS = 30 # seconds (minimum time between detections)
+DETECTION_DISTANCE_BLOCKS = DETECTION_DISTANCE_SECONDS // BLOCK_SECONDS # number of blocks to skip after a detection
 BLOCK_OVERLAP_FACTOR = 0.9 # overlap between blocks (0.2 means 20% overlap)
 MIN_SIGNAL_QUALITY = 1000.0 # maximum noise level (relative DB) to consider a detection valid
 
@@ -32,7 +33,7 @@ def process_recording(filename):
 
     # get data and metadata from recording
     path = os.path.join(RECORDINGS_DIR, filename)
-    samplerate = soundfile.info(path).samplerate
+    sound, samplerate = soundfile.read(path)
     samples_per_block = int(BLOCK_SECONDS * samplerate)
     overlapping_samples = int(samples_per_block * BLOCK_OVERLAP_FACTOR)
 
@@ -41,8 +42,11 @@ def process_recording(filename):
 
     # read blocks of audio data with overlap from sound variable
     sample_num = 0
-    for block in soundfile.blocks(path, blocksize=samples_per_block, overlap=overlapping_samples):
-        sample_num += samples_per_block - overlapping_samples
+    while sample_num < len(sound):
+        # get block of audio data
+        block_start = sample_num
+        block_end = min(sample_num + samples_per_block, len(sound))
+        block = sound[block_start:block_end]
 
         # calculate FFT
         labels = rfftfreq(len(block), d=1/samplerate)
@@ -95,9 +99,10 @@ def process_recording(filename):
                 write_plot()
 
                 current_event = None
-                #block_num += (DETECTION_DISTANCE // BLOCK_SECONDS) * samples_per_block
+                sample_num += DETECTION_DISTANCE_BLOCKS * samples_per_block
+
+        sample_num += samples_per_block - overlapping_samples
 
-        #block_num += 1
 
 
 def write_clip():
@@ -118,6 +123,9 @@ def main():
                 process_recording(filename)
             except Exception as e:
                 print(f"Error processing {filename}: {e}")
+                # print stacktrace
+                import traceback
+                traceback.print_exc()
 
 
 if __name__ == "__main__":