Every Cable TV company has packages that only include certain channels. Unless it is a sporting event that is "blacked out" due to contractual obligations with the carrier, and you are paying for that channel you need to call your cable company.
I do not believe you gain "Extra Channels." The Converter box is to convert the Digital over the air signal to a non-digital TV so you can still receive channels after the analog signal broadcasts are going to stop on Feb. 17th, 2009 in the US.
Traditional cable is analog, which requires more bandwidth per channel. Usually you need a cable box to receive Digital cable which shall also include High Definition (720p) channels if you subscribe to them. You can also receive local HD channels with an antenna, but you'll need a new television that can receive digital channels or a digital converter box.
In order to watch digital channels one needs to first purchase a digital set top receiver box. These are relatively cheap nowadays and won't set you back more than $50 for a standard unit.
'Sky' is a digital TV company, who also provide Internet and Telecommunication services to it's subscribing customers. A 'Sky+ HD' Box is an upgrade from a standard 'Sky+ Box'. The 'Sky+ HD' Box gives the subscriber the opportunity to receive certain 'High Definition' and '3D' TV channels through their HD and 3D TV. 'HIgh Definition' TV channels are said to have a superior quality over normal TV channels.
Sky digibox is a digital form or set top television box that specialises in Sky news and sky channels through HQ and digital TV while also servicing other channels.
To tune into HD channels there a a variety of methods available to consumers. These include a digital set top box, a digital antenna, a satellite receiver or a QAM tuner built into the television.
It will work with the channels that have switched to digital, but unless your converter box can take in both analog and digital, you will have to wait for the analog ones to switch.
No. No when it comes to subscription channels such as MTV, Food Netowrk etc. You have to have a cable box that is from a local cable provider and call the company to activate the service. If you have an HDTV with a digital tuner, you can plug in the basic cable from a wall into your television and scan for channels. You will only get unencrypted / basic network channels such as CBS, NBC, Fox, PBS, etc.
Set top box is basically used to convert the digital signals broadcasted by digital signal broadcasters to analog signals, in case you wish to have your analog tv, but would like to have an access to digital channels. Digital channels definitely have better quality signals than analog and therefore you will have a better picture quality and signal quality even though you have converted the digital signals to analog.
No if you have a built-in digital tuner insisde your living room TV set, you will only receive the local CBS, ABC, NBC, PBS, and FOX affiliate digital television stations.
The TVs without a converter box or digital signal will only be able to pick up analog channels, so once they change all of the channels to digital, the TV cannot pick up any channels, most likely resulting in snow.
This varies from Cable TV companies so it is hard to say. The local channels are usually the lower number channels. Call your Cable television company and ask if they have a website to download their channel guide.