keras/src/ops/math.py/STFT/call
class STFT:    def call(self, x):
        return backend.math.stft(
            x,
            sequence_length=self.sequence_length,
            sequence_stride=self.sequence_stride,
            fft_length=self.fft_length,
            window=self.window,
            center=self.center,
        )