As for the digital signal processing method(PCM technology) for digital recording, they focused attention on the PCM transmission technology of which the development had been advanced at the communication technology laboratory of Nippon Telegraph and Telephone Public Corp. at that time.
In the digital signal processing(DSP) domain, T/H processing is equivalent to convolution of the frequency spectrum of the impulse train(due to the sampling clock) with the frequency spectrum of the analog input.
In digital recording, the decoding of recording codes recorded as digital signals, and the"error-correcting code" for correcting the code errors occurred during the decoding must be taken into consideration.
Based on fundamental knowledge of linear systems, digital signal processing, image processing, computer graphics, and machine learning, education is classified into the following three fields of application.
In today's world, digital data is processed or transmitted at higher and higher speeds,while the conversions between analog and digital signals are done at higher resolutions and higher data rates.
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