alvanlii/cantonese-radio

Cantonese Radio Pseudo-Transcription Dataset

• Contains 14k hours of audio sourced from Archive.org
• Columns
  • order_index: Represents the order of the audio compared to those from the same filename
  • link: Link of the original full audio
  • transcript_whisper: Transcribed using Scrya/whisper-large-v2-cantonese with alvanlii/whisper-small-cantonese for speculative decoding
  • transcript_sensevoice: Transcribed using FunAudioLLM/SenseVoiceSmall
    • used OpenCC to convert to traditional chinese
    • isolated event tags to event_sensevoice
    • isolated emotion tags to emotion_sensevoice
  • snr: Signal-to-noise ratio, extracted from ylacombe/brouhaha-best
  • c50: Speech clarity, extracted from ylacombe/brouhaha-best
  • emotion: Emotion, extracted from emotion2vec/emotion2vec_plus_large
  • Note that id does not reflect the ordering of the audio within the same video
• Processing
  • The full audio is split using WhisperX, using Scrya/whisper-large-v2-cantonese
    • it is split in <30s chunks and according to speakers
  • No filtering or additional audio processing was done for this dataset
    • Filtering is recommended for your own use