scenario_map_fn: bugfix and memory optimization

fgnt / sms_wsj

SMS-WSJ: Spatialized Multi-Speaker Wall Street Journal database for multi-channel source separation and recognition

MIT License

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Closed boeddeker closed 3 years ago

boeddeker commented 3 years ago

Usually original_source is an nd.array with dtype np.object. This PR allows also list and tuple.
Add add_speech_image and add_noise_image arguments to reduce memory footprint.