Different types of Blu-ray players will produce different results because each company processes images differently, for example Sony has “Super Bit Mapping” to smooth out background images and transitions, “HD Reality Enhancer” smooth motion pictures…
Most consumers take advantage of Blu-ray players to watch old DVD movies. This does not increase picture quality much because Blu-ray players will have to implement algorithms to convert the quality of old DVDs (usually 480p) to Full-HD (1080p) or they have to convert screen sizes compared to old TV screen standards.
In addition, you should look at the product reviews you want to buy to learn more about performance from manufacturer websites, technology forums or search from Google or Bing.
Although the HDMI standard creates a connection for the Blu-ray player to an HDTV, with only one port for both audio and video, you still need to pay attention to the other ports on the back of the Blu-ray player.
If you have not bought a new HDTV but are using a CRT TV, the back of the TV will have a set of video jacks, also known as Component video output (green, blue and red ports) instead of the connection HDMI port.
Therefore, you need to buy a Blu-ray player with an additional HDMI video port.
If you want to enjoy surround sound from a home theater connected to your Blu-ray player, make sure you have an HDMI port on your system and that they support audio codes like DTS-HD Master Audio or Dolby TrueHD or not.
If the sound system belongs to old models, you will need to pay attention to buying Blu-ray players with analog audio jacks, it is best to choose 7.1 channels. The S / PDIF-out port can also be selected.
Finally there is an Ethernet port for connecting to the Internet and a USB port. Both of these ports are essential when used for connection.