set sampling rate correctly in run_wavdiff

            ref_tmp = resample(ref.astype(float), fs, 48000).astype(np.int32)

            test_tmp = resample(test.astype(float), fs, 48000).astype(np.int32)

            fs = 48000

        bytes_per_sample = 3

        with wave.open(str(tmpfile_ref), mode="wb") as ref_tmp_wav:

            data_bytes = ref_tmp.astype("<i").tobytes()