Update app.py

app.py

@@ -2,13 +2,14 @@ import gradio as gr
 import numpy as np
 import librosa
 
-# import the librosa library for converting a Mel spectrogram image to audio
+# import the librosa library for converting audio to a Mel spectrogram image
 
-def mel_to_audio(mel_spectrogram):
-  # convert the Mel spectrogram image to audio using librosa
-  audio = librosa.feature.inverse.mel_to_audio(mel_spectrogram)
-  return audio
+def audio_to_mel(audio):
+  # convert the audio to a Mel spectrogram image using librosa
+  # specify the data type of the output array to avoid the same_kind casting error
+  mel_spectrogram = librosa.feature.melspectrogram(audio, dtype=np.float64)
+  return mel_spectrogram
 
 # create the gradio app
-app = gr.Interface(mel_to_audio, "image", "audio")
+app = gr.Interface(audio_to_mel, "audio", "image")
 app.launch()