diff --git a/evaluate_efficiency_salmonn.py b/evaluate_efficiency_salmonn.py
index 12422a8..54065d5 100644
--- a/evaluate_efficiency_salmonn.py
+++ b/evaluate_efficiency_salmonn.py
@@ -106,9 +106,25 @@ def get_gpu_memory_usage():
     return gpu_memory
 
 
-def model_inference(cfg, samples, test_prompt, salmonn):
+def audio_preprocess(cfg, wav_processor, audio, sr=16000):
+    spectrogram = wav_processor(audio, sampling_rate=sr, return_tensors="pt")["input_features"]
+    audio = audio.unsqueeze(0)
+    sample_batch = {
+        "spectrogram": spectrogram,
+        "raw_wav": audio,
+        "text": ["test"],
+        "task": ["asr"],
+        "Q": [""],
+        "id": [0],
+    }
+    sample_batch = prepare_sample(sample_batch, cuda_enabled=torch.cuda.is_available(), device=cfg.config.run.device)
+    return sample_batch
+
+
+def model_inference(cfg, audio, test_prompt, salmonn, wav_processor):
     # TTFT
     start_time = time.time()
+    samples = audio_preprocess(cfg, wav_processor, samples)
     llm = salmonn.llama_model
 
     batch_size = samples["spectrogram"].shape[0]
@@ -181,9 +197,13 @@ def main(args):
     # Load dataset
     with open("audiolm-trainer/prompts/test_prompt.json", "r") as f:
         test_prompt = json.load(f)
-    dataloader = MockDataset.make_mock_dataloader(cfg, sr=16000, audio_length=10)
-    sample_batch = next(iter(dataloader))
-    sample_batch = prepare_sample(sample_batch, cuda_enabled=torch.cuda.is_available())
+    # dataloader = MockDataset.make_mock_dataloader(cfg, sr=16000, audio_length=10)
+    # sample_batch = next(iter(dataloader))
+    # sample_batch = prepare_sample(sample_batch, cuda_enabled=torch.cuda.is_available())
+    sr=16000
+    audio_length=10
+    wav_processor = WhisperFeatureExtractor.from_pretrained(cfg.config.model['whisper_path'])
+    random_sample = torch.randn(sr * audio_length)
 
     # Measure memory and latency
     memory_usages = []
@@ -196,9 +216,10 @@ def main(args):
         with torch.no_grad():
             inference_time, ttft, tpot = model_inference(
                 cfg,
-                sample_batch,
+                random_sample,
                 test_prompt,
                 salmonn_preprocessor,
+                wav_processor
             )
         torch.cuda.synchronize()
         after_memory_allocated = torch.cuda.max_memory_allocated()