DSA00336791.pdf by Pragmatic Communications Systems

Partial File Text Software considerations for adding a speech recording system to a Digital cellular telephone 1.1 Abstract Explosive growth in the digital cellular market has provided an opportunity and a challen
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abstract for wireless communication system analog ECHO microphone mixing circuit Digital ECHO microphone mixing circuit digital VOICE RECORDER data sheet Digital Voice Systems flow diagram of a speech amplifier circuit GMSK substitution gsm call flow gsm modem block diagram gsm modem interfacing with dsp processor GSM RPE-LTP GSM signal processing block GSM Viterbi ISD recorder ISD33000 ISD33240 isd33240 circuit diagram Message Management ISD33000 Pragmatic Communications Systems telephone recorder circuit telephone recorder digital TMS320C54X TMS320C54x SPEECH PROCESSING voice activated recorder circuit VOICE RECORDED playback system VOICE RECORDER voice recorder and playback voice recorder chip VOICE RECORDER playback system voice recording chip voice recording circuit with 8 outputs

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