Update custom model files, README, and requirements

asr_config.py

@@ -45,7 +45,8 @@ class ASRConfig(transformers.PretrainedConfig):
             "max_new_tokens": 128,
             "min_new_tokens": 1,
             "do_sample": False,
-            "repetition_penalty": 1.1,
+            "repetition_penalty": 1.05,
+            "length_penalty": 0.9,
             "no_repeat_ngram_size": 0,
             "use_cache": True,
         }

asr_modeling.py

@@ -206,6 +206,10 @@ class ASRModel(PreTrainedModel):
         self.decoder = self._create_decoder(config)
         self.generation_config = self.decoder.generation_config
 
+        # Set default generation parameters
+        self.generation_config.num_beams = 1
+        self.generation_config.length_penalty = 1.0
+
         self._init_tokenizer()
 
         from types import SimpleNamespace