Background
Progressive and Interlace
Progressive and Interlaced
Both interlaces and progressive are popular in production and both are supported strongly by Panasonic with P2 and with tape products.
720 Progressive Scan HD Images with Higher resolution than Interlaces 1080i
Many TV broadcasters use the interlaced system, which divides each image into alternating odd and even horizontal scan lines. Each frame of a progressive image, on the other hand, contains all of the image information, much like a film frame, because it consists of all the scanning lines. In this way, progressive images share more similarity with the images of film cameras and computer graphics.
From the viewpoint of versatility, there is a major advantage in using progressive scanning for your original images. The AG-HPX500 features a newly developed native progressive CCD. It produces naturally high-quality images by capturing frames with complete image information right from the beginning.
Interlace Freeze Frame image
The picture on the left is an interlace freeze frame, and because it's interlace it doesn't have a lot of detail that is recognizable about the ball.
Progressive Freeze Frame Image
The progressive capture does an excellent job of conveying information about the design and make up of the ball.
25p HD and a Cine-like Gamma Curve Meet Film Production Needs
The film cameras used in making movies have a longer history than TV broadcasting cameras, and capture 24 or 25 frames per second onto silver halide film. Film cameras are used more frequently than video cameras both in movies and in TV commercials and programs. However, their use entails consideralbe expenses. In addition to the high cost of film and developing, the fact that the image cannot be previewed on-the-spot increases the labor expenses involved in production. This has led to the idea of using video cameras, which use inexpensive, reusable P2 card and videotape, and require no developing. An alternative has arrived in the form of 25p HD shooting. Progressive scanning produces 25 frames per second, with complete image information contained in each frame. This provides the same frame speed and motion traits as film. The AG-HPX500 can shoot in 1080/25p, 720/25p, and 576/25p.