We are offering pcm generation & demodulation using codec chip - st2123. st2123 pcm generation & demodulation using codec chip is a stereo codec based pcm generator and demodulator training system. The system has on-board selectable clock source and analog signal source. The analog signal source generates sinusoidal signal. Various test points and connection sockets are provided for easy understanding of an audio codec. It also shows the effect of various sampling rates on coding of speech signal. coding seeks to minimize the number of bits in the digital representation of a signal without an objectionable loss of signal quality in the process. High quality is attained at low bit rates by exploiting signal redundancy as well as the knowledge that certain types of coding distortion are imperceptible because they are masked by the signal. our models of signal redundancy and distortion masking are leading to continue improvements in the quality of low bit rate signals.
Satyendra Pawar (Scientech Technology Pvt. Ltd.)
94, Electronic Complex, Pardesipura,, Indore, Madhya Pradesh
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