I do believe we're both wrong.
From Stereophile: " Philips invented the delta-sigma modulator in the 1960s, and were the first to apply it to CD players in its 1-bit form (switched-capacitor based)."
Cheers George
From Stereophile: " Philips invented the delta-sigma modulator in the 1960s, and were the first to apply it to CD players in its 1-bit form (switched-capacitor based)."
Cheers George