Abstract: An audio device includes a processor, a storage unit, an audio processing module, a silence detection circuit, a condition determining circuit, a direct current (DC) level bias circuit and an appending circuit. The audio device generates identification data, control signals, and original audio signals. The silence detection circuit detects silence segments of the original audio signals, and generates driving signals if the silence segments are detected. Then the condition determining circuit determines if the identification data needs to be appended into the silence segments according to the driving signals and the control signals, and outputs the identification data in DC signal form if the identification data needs to be appended into the silence segments. After DC voltage level of the identification data in DC signal form is biased, the appending circuit appends the biased identification data into the silence segments of the original audio signals.

Abstract: A composition of extracts from plants which can be used for prophylaxis or treatment of metabolism disorder of blood lipid, includes the following ingredients in weight: 3-10 portions of oleanolic acid, 1-5 portions of salvianolic acid, 1-5 portions of danshensu, 1-3 portions of berberine, 1-5 portions of panax notoginseng saponins, 1-5 portions of polysaccharides of atracty-lodes macrocephala koidz, 1-3 portions of aucubin, 1-5 portions of total flavone in cirsium japonicum, 1-5 portions of finger citron polysaccharide, 1-5 portions of panax notoginseng polysaccharides and 1-5 portions of flavones. The use of such composition in manufacturing medicaments used for prophylaxis or treatment of diseases related to metabolism disorder of blood lipid, and the use of such composition in manufacturing health food used for adjuvant prophylaxis or treatment of diseases related to metabolism disorder of blood lipid.