The New South Wales Government wants to make it easier for TV cameras to be allowed into courtrooms to film verdicts and sentences in criminal cases.

It will introduce legislation that will create a presumption in favour of allowing filming and broadcasting for final proceedings.

There will be certain circumstances where the presumption will not apply, such as proceedings with large numbers of suppression orders or material that would prejudice other trials.

Attorney General Greg Smith says if the new system works well, it may eventually be expanded to include the broadcast of evidence.

"I think this is a great thing, I think the public don't fully understand the difficulties of sentencing and the intricacies of it," he said.

"But this will give them more chance of understanding where the judge sets out the background and then gives reasons as to why ultimately he or she decides to give a particular sentence."

Mr Smith says he does not think allowing more TV cameras into courtrooms will turn proceedings into a theatrical circus or undermine the tone of proceedings.

"I'm not concerned about that really," he said.

"I think that proceedings of criminal courts are very serious and I don't think that opening up to filming is doing any more than allowing journalists for example to use twitter and SMS. I can't see it becoming a circus."

The government says broadcasting from courts would be inappropriate if it revealed the identity of jurors, protected witnesses or victims or would put someone's safety at risk.