A method for generating a high-band target signal includes receiving, at an encoder, an input signal having a low-band portion and a high-band portion. The method also includes comparing a first autocorrelation value of the input signal to a second autocorrelation value of the input signal. The method further includes scaling the input signal by a scaling factor to generate a scaled input signal. The scaling factor is determined based on a result of the comparison. The method also includes generating a low-band signal based on the input signal and generating the high-band target signal based on the scaled input signal.