This work proposes a scheme for improving binaural reproduction of 5.1 channel surround sound using dynamic rendering with low cost head-tracking module. The head-tracking module consists of a magnetic sensor and an accelerometer. A microcontroller unit is used to calculate the horizontal orientation of the listener`s head. The orientation data is transmitted to the PC via the serial port for dynamic binaural synthesis. Psychoacoustic experiment indicates that the scheme eliminates the front-back confusion and in-head-localization and therefore improves the localization performance in the binaural 5.1 channel reproduction.
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