What common complaint can arise from image rescaling on a digital TV?

When images are rescaled on a digital TV, especially when converting content to fit different screen sizes or aspect ratios, it can lead to poor visual quality. This occurs because the rescaling process can introduce artifacts, blurring, or pixelation, resulting from the mathematical algorithms used to adjust the original image size. For instance, enlarging a lower resolution image may make the pixels more visible, causing the image to appear less sharp and detailed. Viewers may notice a significant drop in clarity and overall picture quality, which can detract from their viewing experience.

While excessive buffering, difficulties in channel tuning, and audio delay are all potential issues that users might encounter with digital TVs, they are not directly linked to the image rescaling process itself. Buffing is typically associated with network issues, channel tuning pertains to signal reception, and audio delay often relates to synchronization problems rather than the direct visual manipulation of images. Hence, the most pertinent common complaint connected to image rescaling is indeed related to poor visual quality.