| 摘要 |
PURPOSE:To improve the effect of usage of a CPU and DSP and to save the hardware, by performing the equalizer operating processing at reception and the resolution correction operating processing at transmission using the same operating unit. CONSTITUTION:In a facsimile device, two signal processors 2, 3 managed with one set of MPU are provided, and the 1st processor DSPIperforms the filter operation and modulation operation at transmission and the filter operation and demodulation operation at reception. The 2nd processor DSPII performs the resolution correcting operation at transmission and the equalizer operation at reception. An ADC4 in an A/D converter converting the reception signal into digital data, a DAC5 is a D/A converter converting the transmission data into an analog quantity, and a DCR6 is a data compressor and reproducer. The constitution like this improves the effect of usage of the processors. |
