Update custom model files, README, and requirements

asr_config.py

@@ -54,7 +54,7 @@ class ASRConfig(transformers.PretrainedConfig):
             "num_beams": 1,
             "max_new_tokens": 256,
             "repetition_penalty": 1.0,
-            "length_penalty": 0.9,
+            "length_penalty": 0.6,
             "no_repeat_ngram_size": 0,
             "use_cache": True,
         }