A standard bit depth for digital audio recording and playback.
16 x 9
The standard display aspect ratio of a high-definition television set.
32-bit
A four-channel image with each channel 8 bits deep. Typically, a CGI image with red, green, blue, and alpha channels.
4 x 3
The standard display aspect ratio of a standard video home television set.
8-bit
For video, a bit depth at which color is sampled. 8-bit color is common with DV and other standard-definition digital formats. Some high-definition acquisition formats can also record in 8-bit, but usually record in 10-bit.