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# scipy.signal.ShortTimeFFT.hop

property ShortTimeFFT.hop

  Time increment in signal samples for sliding window.

  This attribute is read only, since `dual_win` depends on it.

  See also

  `delta_t`

    Time increment of STFT (`hop*T`)

  `m_num`

    Number of samples in window `win`.

  `m_num_mid`

    Center index of window `win`.

  `mfft`

    Length of input for the FFT used - may be larger than `m_num`.

  `T`

    Sampling interval of input signal and of the window.

  `win`

    Window function as real- or complex-valued 1d array.

  `ShortTimeFFT`

    Class this property belongs to.