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import json
def get_sample():
with open("bg3.ndjson", "r") as bg3_f:
for line in bg3_f:
yield json.loads(line.strip())
def main():
speaker_stats = {}
total_duration = 0.0
total_num_samples = 0
for metadata in get_sample():
total_num_samples+=1
duration = metadata["duration"]
total_duration += duration
spk_id = metadata["spk_id"]
if spk_id not in speaker_stats.keys():
speaker_stats[spk_id] = dict(num_samples=0, total_duration=0)
speaker_stats[spk_id]["num_samples"] += 1
speaker_stats[spk_id]["total_duration"] += duration
for spk_id in speaker_stats.keys():
speaker_stats[spk_id]["mean_duration"] = speaker_stats[spk_id]["total_duration"]/speaker_stats[spk_id]["num_samples"]
speaker_stats["global"] = dict(
num_samples=total_num_samples,
total_duration=total_duration,
mean_duration=total_duration/len(speaker_stats)
)
print(json.dumps(speaker_stats, indent=2))
if __name__=="__main__":
main()
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