diff --git a/tools/audio_sr.py b/tools/audio_sr.py
new file mode 100644
index 0000000..b714ab1
--- /dev/null
+++ b/tools/audio_sr.py
@@ -0,0 +1,49 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+import sys,os
+import traceback
+AP_BWE_main_dir_path=os.path.join(os.path.dirname(os.path.abspath(__file__)), 'AP_BWE_main')
+sys.path.append(AP_BWE_main_dir_path)
+import glob
+import argparse
+import json
+from re import S
+import torch
+import numpy as np
+import torchaudio
+import time
+import torchaudio.functional as aF
+from attrdict import AttrDict
+from datasets1.dataset import amp_pha_stft, amp_pha_istft
+from models.model import APNet_BWE_Model
+import soundfile as sf
+import matplotlib.pyplot as plt
+from rich.progress import track
+
+class AP_BWE():
+    def __init__(self,device,checkpoint_file=None):
+        if checkpoint_file==None:
+            checkpoint_file="%s/24kto48k/g_24kto48k.zip"%(AP_BWE_main_dir_path)
+            if os.path.exists(checkpoint_file)==False:
+                raise FileNotFoundError
+        config_file = os.path.join(os.path.split(checkpoint_file)[0], 'config.json')
+        with open(config_file) as f:data = f.read()
+        json_config = json.loads(data)
+        h = AttrDict(json_config)
+        model = APNet_BWE_Model(h).to(device)
+        state_dict = torch.load(checkpoint_file,map_location="cpu",weights_only=False)
+        model.load_state_dict(state_dict['generator'])
+        model.eval()
+        self.device=device
+        self.model=model
+        self.h=h
+
+    def __call__(self, audio,orig_sampling_rate):
+        with torch.no_grad():
+            # audio, orig_sampling_rate = torchaudio.load(inp_path)
+            # audio = audio.to(self.device)
+            audio = aF.resample(audio, orig_freq=orig_sampling_rate, new_freq=self.h.hr_sampling_rate)
+            amp_nb, pha_nb, com_nb = amp_pha_stft(audio, self.h.n_fft, self.h.hop_size, self.h.win_size)
+            amp_wb_g, pha_wb_g, com_wb_g = self.model(amp_nb, pha_nb)
+            audio_hr_g = amp_pha_istft(amp_wb_g, pha_wb_g, self.h.n_fft, self.h.hop_size, self.h.win_size)
+            # sf.write(opt_path, audio_hr_g.squeeze().cpu().numpy(), self.h.hr_sampling_rate, 'PCM_16')
+            return audio_hr_g.squeeze().cpu().numpy(),self.h.hr_sampling_rate
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