cronekorkn/bootshorn_investigation
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CroneKorkN 2025-05-30 21:46:58 +02:00
parent 788416adb6
commit f8472f5c4c
Signed by: cronekorkn
SSH key fingerprint: SHA256:v0410ZKfuO1QHdgKBsdQNF64xmTxOF8osF1LIqwTcVw
1 changed files with 5 additions and 5 deletions
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10
process_chunks.py
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@ -15,7 +15,7 @@ EVENT_DIR = "events"
SAMPLE_SECONDS = 1
TOLERANCE = 2
OVERTONE_TOLERANCE = TOLERANCE * 2
THRESHOLD_BASE = 0.
THRESHOLD_BASE = 0.1
THRESHOLD_OCT = THRESHOLD_BASE / 10
CLIP_PADDING_BEFORE = 1
CLIP_PADDING_AFTER = 6
@ -72,20 +72,20 @@ def process_chunk(filename):
event_time = event_time_dt.strftime("%Y%m%d-%H%M%S")
base_name = os.path.splitext(filename)[0]
flac_out = os.path.join(EVENT_DIR, f"{base_name}_{event_time}.flac")
png_out = os.path.join(EVENT_DIR, f"{base_name}_{event_time}.png")
flac_out = os.path.join(EVENT_DIR, f"{event_time}.flac")
png_out = os.path.join(EVENT_DIR, f"{event_time}.png")
sf.write(flac_out, clip, samplerate, format='FLAC')
plt.figure()
plt.specgram(clip, Fs=samplerate, NFFT=NFFT, noverlap=NFFT//2, cmap='inferno', vmin=-90, vmax=-20)
plt.title(f"Spectrogram: {base_name}_{event_time}")
plt.title(f"Spectrogram: {event_time}")
plt.xlabel("Time (s)")
plt.ylabel("Frequency (Hz)")
plt.colorbar(label="dB")
plt.savefig(png_out)
plt.close()
print(f"Event: {event_time} peak_freq: {int(peak_freq)} base_energy: {int(base_energy)} oct_energy: {int(oct_energy)} total_energy: {int(total_energy)}")
print(f"Event: {event_time} peak_freq: {peak_freq:.9f} Hz, base_energy: {base_energy:.9f}, oct_energy: {oct_energy:.9f}, total_energy: {total_energy:.9f}")
last_event = i
i += skip_samples
else: