Access the first element of the audio column to take a look at the input. Calling the audio column automatically loads and resamples the audio file:

dataset[0]["audio"]
{'array': array([ 0.        ,  0.00024414, -0.00024414, , -0.00024414,
         0.        ,  0.        ], dtype=float32),
 'path': '/root/.cache/huggingface/datasets/downloads/extracted/f14948e0e84be638dd7943ac36518a4cf3324e8b7aa331c5ab11541518e9368c/en-US~JOINT_ACCOUNT/602ba55abb1e6d0fbce92065.wav',
 'sampling_rate': 8000}