Translation from French to Portuguese and Portuguese to French.

A transcription service is a business which converts speech (either live or recorded) into a written or electronic text document. Transcription services are often provided for business, legal, or medical purposes. wikipedia.org

Proofreading (also proof-reading) is the reading of a galley proof or computer monitor to detect and correct production-errors of text or art. Proofreaders are expected to be consistently accurate by default because they occupy the last stage of typographic production before publication. wikipedia.org

Portuguese is a Romance language. It is the official language of Portugal, the former South American Portuguese colony of Brazil and former colonies in Africa: Mozambique, Angola, Cape Verde, Guin_-Bissau and So Tom_ e Prncipe. wikipedia.org

Subtitles are textual versions of the dialog in films and television programs, usually displayed at the bottom of the screen. They can either be a form of written translation of a dialog in a foreign language, or a written rendering of the dialog in the same language, with or without added wikipedia.org