What are the applications of closed caption?

The two applications for CC are post-productions and live.

- Live applications:

It requires an appropriate technology for transferring spoken words into text. This process can be carried out by using voice recognition software or using a stenograph machine. The later requires a specialized operator and its main limitation in using it for the Spanish language is the scarcity of Spanish-language-specific technology and the few qualified operators.

The precision achieved using stenography is 99%, while using voice recognition software it is possible to achieve 95% precision. The advantage of this method is that it does not depend of an expert operator and the set up takes less than a month.