feat: speed up fbank's lfr (#2246)

Tang Linjie

2024-11-30 8b1be8c3cba8987e9993619b46e59039ef3d6560

 .gitignore

@@ -26,3 +26,4 @@
GPT-SoVITS*
modelscope_models
examples/aishell/llm_asr_nar/*
*egg-info