E-Branchformer: Branchformer with Enhanced merging for speech recognition

Benchmark Model Rank Results
speech-recognition-on-librispeech-test-cleanE-Branchformer (L) + Internal Language Model Estimation#58Word Error Rate (WER): 1.81
speech-recognition-on-librispeech-test-otherE-Branchformer (L) + Internal Language Model Estimation#47Word Error Rate (WER): 3.65