21. A system for providing an on demand translation service, the system comprising: a video signal receiving component configured to receive a video signal having an audio portion, the audio portion including speech in a source language; a speech recognizer configured to obtain the speech in the source language, from the audio portion, as text; a translation module configured to translate the text from the source language to a target language for a subscriber using one of a plurality of language pair modules, wherein the translation module expires after a paid-for period of time; an information adder configured to insert, into the video signal, translated information based on the translated text from the translation module; and a video signal transmitter configured to transmit the video signal including the translated information.
21. A system for providing an on demand translation service, the system comprising: a video signal receiving component configured to receive a video signal having an audio portion, the audio portion including speech in a source language; a speech recognizer configured to obtain the speech in the source language, from the audio portion, as text; a translation module configured to translate the text from the source language to a target language for a subscriber using one of a plurality of language pair modules, wherein the translation module expires after a paid-for period of time; an information adder configured to insert, into the video signal, translated information based on the translated text from the translation module; and a video signal transmitter configured to transmit the video signal including the translated information. 23. The system of claim 21 , further comprising: a fee charger configured to charge an amount based, at least in part, on the language pair module used by the translation module.