随着数字语音、图像处理技术的飞速发展，其在电子产品中也得到广泛应用，如语音智能玩具、PDA、有语音和图像识别技术的机器人等-with digital voice, image processing, the rapid development of technology, the electronic products have been widely used, smart toys such as voice, PDA, voice and image recognition technol