What is happening is that the noiser/earlier timesteps are responsible for low-frequency features, while the final timesteps are responsible for high-frequency

What is happening is that the noiser/earlier timesteps are responsible for low-frequency features, while the final timesteps are responsible for high-frequency features. https://dsp.stackexchange.com/questions/1637/what-does-frequency-domain-denote-in-case-of-images https://dsp.stackexchange.com/questions/1637/what-does-frequ...