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With the continuous advancement of multimedia technology, multimedia teaching has also posed higher requirements on multimedia playing capabilities. This essay presents the design program for a speaker which could be applied in multimedia classroom to achieve special acoustic effects based on use of the ASP.NET technology. The SQL Server 2005 database technology and Microsoft Visual Studio 2008 technology are combined in the design process. Compared with traditional multimedia speakers, the speak of this program is small, portable, and power-saving, may bring changeable lighting stage effects, could be easily connected to computers, and support playing files stored in U disk and SD card. After the entire program is practically utilized in teaching, it has been found that the system can meet acoustic demand of teachers and students, and improve teaching effectiveness.

A Multimedia Teaching System with Special Acoustic Effects in the Course of Aerobics