| 摘要 |
The system comprises a device for providing a series of generated digital data signals having values corresponding to amplitude values of the waveform in sample units. Devices are provided for storing the sequential groups of sequential digital signals taken from the series, and for converting the patterns of delta modulation signals into corresponding sequence of derived digital signals corresp. to the amplitude values taken at the sample rate, of a waveform derivable from the sequence by way of delta demodulation.
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