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LibriCount, a dataset for speaker count estimation

<p><strong>LibriCount10 0dB Dataset</strong></p> <p>This is the description to the LibriCount10 synthetic dataset for speaker count estimation.</p> <p>Therefore for each recording we provide the ground truth number of speakers within the file name, where `k` in, `k_uniquefile.wav` is the maximum number of concurrent speakers with the 5 seconds of recording.</p> <p>The dataset contains a simulated cocktail party environment of [0..10] speakers, mixed with 0dB SNR from random utterances of different speakers from the <a href="http://www.openslr.org/12/">LibriSpeech</a> `CleanTest` dataset.</p> <p>All recordings are of 5s durations, and all speakers are active for the most part of the recording.</p> <p>For each unique recording, we provide the audio wave file (16bits, 16kHz, mono) and an annotation `json` file with the same name as the recording.</p> <p><strong>Metadata</strong></p> <p>In the annotation file we provide information about the speakers sex, their unique speaker_id, and vocal activity within the mixture recording in samples. Note that these were automatically generated using a <a href="https://github.com/wiseman/py-webrtcvad">voice activity detection</a> system.</p> <p>In the following example the annotation shows a speaker count of 3 speakers as can be extracted from the number of elements in the list:</p> <pre><code class="language-json">[ { "sex": "F", "activity": [[0, 51076], [51396, 55400], [56681, 80000]], "speaker_id": 1221 }, { "sex": "F", "activity": [[0, 51877], [56201, 80000]], "speaker_id": 3570 }, { "sex": "M", "activity": [[0, 15681], [16161, 68213], [73498, 80000]], "speaker_id": 5105 } ]</code></pre> <p><br> &nbsp;</p>