The instantaneous frequency estimation (IFE) seems to be the most important part in terms of pitch shifting quality. In fact, I'm not sure what has a bigger impact on the quality, the IFE itself or the IFE manipulation. However, there are some alternative IFE techniques to investigate:
The instantaneous frequency estimation (IFE) seems to be the most important part in terms of pitch shifting quality. In fact, I'm not sure what has a bigger impact on the quality, the IFE itself or the IFE manipulation. However, there are some alternative IFE techniques to investigate: