In a data transmission method for information data containing additional information data therewith, comprising, at a transmitter side, following steps: adding error correction codes for correcting error to said additional information data; embedding said additional information...http://www.google.com.tw/patents/US7317738?utm_source=gb-gplus-share專利 US7317738 - Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor
