51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Thursday, November 27th, 2008 at 00:05 | No comments

Categories: SCM

Tags: Monolithic integrated circuit, power of loudspeaker amplifier, Pronunciation

Short Content: Introduction original text position The phonetic system to the elevator is the essential part, for instance carries on the floor to count off, the direction prompt, the warning bulletin, the fire prevention to speak even the advertisements propaganda and so on. At present the overwhelming majority elevator use speech chip carries on the pronunciation memory and the broadcast, but the speech chip system has some flaws, for instance the peripheral circuit is complex, the acoustic fidelity not good, the cost ...