Datasets:
File size: 2,823 Bytes
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import os
from datetime import datetime
import wave
import contextlib
"""
Prints a summary of data in the dataset. Specifically, analyzes length of recordings for each recorder and prints recorder_data_summary.txt
"""
base_dir = os.path.dirname(os.path.abspath("__file__")) # Gets the script's directory
# Output file
output_file = os.path.join(base_dir, "recorder_data_summary.txt")
current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
def get_wav_duration(file_path):
try:
with contextlib.closing(wave.open(file_path, 'r')) as wf:
frames = wf.getnframes()
rate = wf.getframerate()
return frames / float(rate) # Duration in seconds
except Exception as e:
print(f"Error reading {file_path}: {e}")
return 0 # Return 0 if there's an error
with open(output_file, "w") as f:
f.write(f"Summary generated on: {current_time}\n") # Write timestamp
f.write("Folder, File Count, Total Size (MB), <59min Count, >=59min Count, Total Duration (hour)\n")
# Loop through each subfolder (A, B, C)
for folder in os.listdir(base_dir):
folder_path = os.path.join(base_dir, folder)
# Ensure it's a directory
if os.path.isdir(folder_path):
data_folder = os.path.join(folder_path, "Data")
if os.path.exists(data_folder) and os.path.isdir(data_folder):
# Initialize counters
file_count = 0
total_size_bytes = 0
short_wavs = 0
long_wavs = 0
total_duration = 0 # In seconds
for file in os.listdir(data_folder):
file_path = os.path.join(data_folder, file)
# Only process .wav files
if file.endswith(".wav"):
file_count += 1
total_size_bytes += os.path.getsize(file_path)
# Get the duration of the file
duration_sec = get_wav_duration(file_path)
total_duration += duration_sec
if duration_sec < 59 * 60:
short_wavs += 1
else:
long_wavs += 1
# Convert total size to MB
total_size_mb = total_size_bytes / (1024 * 1024)
total_duration_hr = total_duration / 3600 # Convert seconds to hours
# Write to the summary report
f.write(f"{folder}, {file_count}, {total_size_mb:.4f}, {short_wavs}, {long_wavs}, {total_duration_hr:.2f}\n")
print(f"Summary report saved to {output_file}")
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