The Tc Group A/s

Kim Rishoj Pedersen

Lars Arknæs-Pedersen

Esben Skovenborg

Lars Arknaes-Pedersen

Soren Henningsen Nielsen

The present invention relates to a musical instrument tuner, e.g. a guitar tuner, featuring tuning as a part of a user session.

Polyphonic tuner

The invention relates to an A/D converter comprising an input and an output, a D/A converting feedback and a pulse width modulating forward path, the D/A converting feedback comprising at least one feed-back path, the feed-back path establishing a D/A conversion based on at least two D/A conversions subject to uncorrelated errors. The invention further relates to a jitter consequence reducing D/A-converter comprising a jitter-robust intermediate signal established on the basis of a digital input signal. The invention further relates to a method for jitter consequence reduction in a pulse width modulated A/D-converter feedback, comprising establishing at least two D/A-conversions subject to uncorrelated errors, and combining, preferably by summing, said at least two D/A-conversions.

Growing community of inventors

Ega, Denmark

Kim Rishoj Pedersen