metadata

license: apache-2.0
task_categories:
  - text-to-speech
  - automatic-speech-recognition
language:
  - ru
size_categories:
  - 1M<n<10M
pretty_name: Webinar Audio Dataset
tags:
  - audio
  - text

Webinar Audio Dataset

Dataset Description

This dataset contains 850 hours processed webinar audio segments with corresponding metadata. Each audio file represents a segment extracted from webinar recordings, processed at 44.1kHz sample rate.

Dataset Summary

Language: Russian
Task: TTS, ASR, Quality Asessment
Audio format: MP3, 44.1kHz sample rate
Structure: Segmented audio files with JSON metadata

Dataset Structure

Data Fields

Basic Information

audio: Audio data (44.1kHz sample rate, MP3 format)
file_name: Name of the audio segment file (format: <original_name>_<idx>.mp3)
segment_index: Index of the audio segment within the original webinar
original_name: Original name of the webinar recording

Transcription and Timing

text: Transcribed text of the audio segment
start: Start time of the segment in seconds
end: End time of the segment in seconds
words: Word-level timestamps and confidence scores

Speaker Information

speaker: Speaker identifier (e.g., "SPEAKER_00")

Quality Metrics

emos_overall: It's not utmos, it's EMOS overall quality score
emos_1, emos_2, emos_3: EMOS quality scores
noise_confidence: Noise detection confidence

Segment Structure

num_sentences: Number of sentences (for merged segments)
original_segments: Original subsegments data (for merged segments)

VAD (Voice Activity Detection)

vad_trimmed: Whether VAD trimming was applied
vad_start: VAD start time
trim_ratio: Ratio of trimmed audio

Data Splits

Train: All available webinar segments

Dataset Creation

Source Data

The dataset consists of webinar recordings that have been processed and segmented. Each webinar is split into multiple audio segments, with each segment saved as a separate MP3 file.

Usage

Loading the Dataset

Load all files and unpack using cat webinars_stripped_archive.tar.aa webinars_stripped_archive.tar.ab webinars_stripped_archive.tar.ac webinars_stripped_archive.tar.ad webinars_stripped_archive.tar.ae webinars_stripped_archive.tar.af webinars_stripped_archive.tar.ag > webinars_stripped_archive.tar && tar -xf webinars_stripped_archive.tar

Additional Information

Special Thanks

Special thanks to @bethrezen for providing webinars dataset.

Licensing Information

MIT License - see LICENSE file for details.

Citation Information

@dataset{webinar_audio_dataset,
  title={Webinar Audio Dataset},
  authors={Denis Petrov}
  year={2025},
  url={https://huggingface.co/datasets/ESpeech/ESpeech-webinars2/}
}