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""" |
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Copyright 2024 RobotsMali AI4D Lab. |
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Licensed under the Creative Commons Attribution 4.0 International License (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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https://creativecommons.org/licenses/by/4.0/ |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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""" |
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from pydub import AudioSegment |
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import sys |
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import json |
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def convert_to_mono(file_path): |
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"""Convert an audio file to mono if it has multiple channels.""" |
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audio = AudioSegment.from_file(file_path) |
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if audio.channels > 1: |
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audio = audio.set_channels(1) |
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audio.export(file_path, format="wav") |
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print(f"Converted {file_path} to mono.") |
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def check_and_convert_audio_channels(manifest_path): |
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"""Check the number of channels in audio files and convert to mono if necessary.""" |
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with open(manifest_path, 'r') as f: |
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lines = f.readlines() |
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for line in lines: |
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audio_path = json.loads(line)['audio_filepath'] |
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audio = AudioSegment.from_file(audio_path) |
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if audio.channels > 1: |
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print(f"{audio_path} is not mono. Converting...") |
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convert_to_mono(audio_path) |
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else: |
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print(f"{audio_path} is already mono.") |
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if __name__ == "__main__": |
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if len(sys.argv) != 2: |
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print("Usage: python script.py <manifest_path>") |
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sys.exit(1) |
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manifest_path = sys.argv[1] |
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check_and_convert_audio_channels(manifest_path=manifest_path) |
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