Decoding apparatus and decoding method for multiple audio...

Dematrixing circuit of the switched-capacitor type

Demodulating system for multivoice system

Demodulator

Demodulator comprising an indicator circuit for use in common to

Detection of noise in a frequency demodulated FM audio...

Device and method for detecting pilot signal for two-carrier sou

Devices, systems and methods for composite signal decoding

Devices, systems and methods for composite signal decoding emplo

Devices, systems, and methods for composite signal decoding

Digital audio transmission for use in studio, stage or field app

Digital circuit for decoding digitized, demodulated FM stereo si

Digital demodulator

Digital quadrature radio receiver with two-step processing

Digital receiver operating at sub-nyquist sampling rate

Digital sound broadcasting using a dedicated control channel

Digital stereo recovery circuitry and method for radio...

Digital stereo recovery circuitry and method for radio...

Digital switching signal in stereo decoders and circuit array fo

Direct digital synthesis of FM signals