The word guenon comes from the French word for monkey. Monkeys in the guenon group are some of the most colorful, graceful, and lively in Africa. Guenons are best known for their striking color patterns, such as hip stripes, brow bands, or a white nose spot or band. Facial adornments can also include a throat ruff, beard, or mustache.
1 Cost â This is one of the most important differences between a Blu-ray and a DVD disc. 2  The cost of Blu-ray disc is double the amount as that of a DVD disc. 3  However, experts think that the Blu-ray discs will be much cheaper in future as recession had a high impact on the disc sales.
As a result of Blu-ray Disc being manufactured as a single substrate disc comparable to CD, but unlike DVD (and the HD-DVD proposal), the manufacturing process does not involve the bonding of two substrates, resulting in less production material, a shorter production time and hence lower production costs per disc.ust as DVD meant a five to ten time increase in storage capacity compared to CD, Blu-ray Disc will increase DVD capacity by five to ten times.