Attention-based early audio-token sparsification at 40-60% sparsity accelerates Whisper ASR up to 1.6x with under 1% relative WER loss, across ten model variants, with no fine-tuning.
Connectionist temporal classification: labelling unsegmented sequence data with recurrent neural networks
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Early Attentive Sparsification Accelerates Neural Speech Transcription
Attention-based early audio-token sparsification at 40-60% sparsity accelerates Whisper ASR up to 1.6x with under 1% relative WER loss, across ten model variants, with no fine-tuning.