| --- |
| license: other |
| language: |
| - zh |
| language_bcp47: |
| - zh-TW |
| task_categories: |
| - automatic-speech-recognition |
| - text-to-speech |
| pretty_name: Hung-yi Lee Lecture ASR/TTS |
| tags: |
| - asr |
| - tts |
| - speech |
| - mandarin |
| - taiwan |
| - lecture |
| size_categories: |
| - 10K<n<100K |
| --- |
| |
| # Hung-yi Lee Lecture ASR/TTS |
|
|
| This dataset contains speech segments aligned with subtitles from Hung-yi Lee lecture videos. |
| It is intended for Mandarin ASR and TTS experiments. |
|
|
| ## Dataset Details |
|
|
| - Speaker: Hung-yi Lee |
| - Language: Traditional Chinese / Taiwan Mandarin (`zh-TW`) |
| - Sampling rate: 16 kHz |
| - Audio format in the published dataset: embedded FLAC audio in Parquet shards |
| - Source videos with audio: 15 |
| - Segments: 29043 |
| - Total duration: 16.92 hours |
| - Courses: 機器學習2026, 生成式人工智慧與機器學習導論2025 |
|
|
| ## Columns |
|
|
| - `audio`: audio segment |
| - `text`: subtitle text for ASR/TTS |
| - `normalized_text`: currently identical to `text` |
| - `language`: `zh-TW` |
| - `speaker_id`: `hung_yi_lee` |
| - `source_course`, `source_title`, `source_youtube_id`, `source_url`: source metadata |
| - `start`, `end`, `duration`: segment timing in seconds |
| - `segment_index`: original VTT cue index |
|
|
| ## Notes |
|
|
| Segments are cut from the available MP4 files using their paired VTT subtitles. |
| Items that only had subtitles/transcripts but no downloaded audio are not included as audio samples. |
| Subtitle quality follows the source captions and may require further cleaning for strict TTS training. |
|
|
