When it comes to the size of a movie file, it largely depends on the resolution and compression used. Let’s break it down:
1. DVD Resolution: DVD movies typically have a resolution of 640×480 pixels. When compressed using standard codecs like MPEG-2, the file size for most movies ranges between 700MB to 1.4GB. So, yes, it is possible for a DVD quality movie to be around 1GB in size.
2. Blu-ray Resolution: Blu-ray movies offer a higher resolution of 1920×1080 pixels, resulting in a more detailed and visually appealing viewing experience. Due to the increased pixel count, the file size for Blu-ray movies tends to be larger. On average, a compressed Blu-ray movie can range from 3GB to 5GB. Therefore, it is unlikely for a Blu-ray quality movie to be only 1GB in size.
It’s worth mentioning that these sizes are approximate and can vary depending on the length of the movie, the bit rate used for compression, and the level of compression applied. Additionally, newer video codecs like H.265 (HEVC) or VP9 offer more efficient compression, allowing for smaller file sizes without compromising the quality significantly.
Personal Experience:
In my personal experience, I have come across various movie files ranging from different sizes. I have downloaded DVD rips that were around 1GB, which provided decent quality for viewing on smaller screens. However, when it comes to high-definition movies, especially those in Blu-ray quality, I have rarely encountered files as small as 1GB. These files are typically larger due to the increased level of detail and image quality.
While it is possible for a DVD quality movie to be around 1GB in size, it is unlikely for a high-definition Blu-ray movie to have such a small file size. The resolution and compression techniques used play a significant role in determining the size of a movie file.