transformers safetensors wav2vec2 automatic-speech-recognition generated_from_trainer dataset:common_voice_14_0 base_model:dmusingu/wav2vec2-large-xls-r-1B-swahili-cv-14 base_model:finetune:dmusingu/wav2vec2-large-xls-r-1B-swahili-cv-14 model-index endpoints_compatible region:us