Analog and digital signal mixer

A mixer receiving a first analog signal and a first digital signal, corresponding to a succession, at a first frequency, of first messages each comprising a first number of bits, and providing a second analog signal, comprises an analog-to-digital converter of the first analog signal into a second d...

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Bibliographic Details
Main Authors COGNIARD GUILLAUME, POLLET JEAN-FRANCOIS
Format Patent
LanguageEnglish
Published 08.03.2007
Subjects
ACOUSTICS
BASIC ELECTRONIC CIRCUITRY
BROADCAST COMMUNICATION
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROPHONIC MUSICAL INSTRUMENTS
MUSICAL INSTRUMENTS
PHYSICS
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Summary:A mixer receiving a first analog signal and a first digital signal, corresponding to a succession, at a first frequency, of first messages each comprising a first number of bits, and providing a second analog signal, comprises an analog-to-digital converter of the first analog signal into a second digital signal, corresponding to a succession, at a second frequency greater than the first one, of second messages having a second number of bits smaller than the first one; a digital-to-digital converter of the second digital signal into a third one corresponding to a succession, at the second frequency, of third messages having the first number of bits; an interpolation unit providing a fourth digital signal corresponding to a succession, at the second frequency, of fourth messages having the first number of bits; an adder providing the sum of the third and fourth digital signals; and an output digital-to-analog converter.
Bibliography:Application Number: US20060506452