 Wav2Vec2-Base-960h + 4-gram  This model is identical to [Facebook's Wav2Vec2-Base-960h](https://huggingface.co/facebook/wav2vec2-base-960h), but is  augmented with an English 4-gram. The `4-gram.arpa.gz` of [Librispeech's official ngrams](https://www.openslr.org/11) is used.    