There is probably no problem, your laptops sound is probably just bad. I don't know for sure but that is a guess.
There are a wide variety of cameras that would be useful for filming a variety of different occasions. Among the leading brands, are Sony, Toshiba, and Magnavox.
they say they are filming a documentary
There are many good industrial cameras one could use for filming snowboarding. One can use cameras from Sony, pixelink, Aegis Electronic Group and Baumer.
The Arri camera line is highly respected. Google "arriflex" for many sites with information about cinema cameras.
Not likely. Besides, if they don't have stalls, filming is illegal.
in action movies usually 3-4 sometimes 5 cameras, in the case of a tv show or a small movie directors use 2-3 cameras
That can't be done on Windows Movie Maker.
There are a number of cameras that have motion detectors. Cisco offers wireless network camera that do what your asking. There are motion sensor securtiy cameras. These cameras begin filming when they sense movement and stop when the motion ceases. It can save lots time when reviewing footage since there wont be hours of empty footage.
When CBS coverage of the Augusta Masters began in 1956, they used six cameras covering only the last 4 holes. By 2006, more than 50 cameras covered all 18 holes.
Freedom of the press! Plus the newsmedia wanted to utilize their newly invented technology of cameras, filming techniques, etc.
The best digital cameras for HD filming usually come from canon or from Kodak with exceptional quality beyond what used to be avilable.
The first moon landing was taped by NASA using cameras onboard the Apollo 11 spacecraft and also by cameras set up on the lunar surface. The footage captured by these cameras was transmitted back to Earth and recorded by various tracking stations.