UniSpeech is a speech model that accepts a float array corresponding to the raw waveform of the speech signal. Please
  use [Wav2Vec2Processor] for the feature extraction.
UniSpeech model can be fine-tuned using connectionist temporal classification (CTC) so the model output has to be
  decoded using [Wav2Vec2CTCTokenizer].

Resources

Audio classification task guide
Automatic speech recognition task guide