Aktive Gestaltung von Abgasgeräuschen

Details

Veröffentlichungs-Nr.

EP2600342

Aktenzeichen

EP12195153

Anmeldetag

30. November 2012

Veröffentlichung

9. Mai 2018

Erteilung

9. Mai 2018

Rechtsraum

EP

IPC

G10K15/02

Abstract

The invention concerns a sound generator system for a vehicle with internal combustion engine (15) and/or electric motor, wherein the sound generator system (1, 70) has an electroacoustical transducer (11) and a control unit (24, 74). The electroacoustical transducer (11) is configured to produce an acoustical signal in dependence on an electrical input signal and is connected to an acoustic line (7) configured for transmission of the sound to the surroundings of the vehicle and/or into an exhaust line (9) of the vehicle. The control unit (24, 74) is configured to create a primary audio signal with frequencies from a given frequency range, to selectively amplify selected segments ("V") of the primary audio signal so that the audio signal (41) amplified in the selected segments has at least one section in which all audio signal values correspond to a maximum amplitude value that is specified for the segment, and the audio signal (41) amplified in the selected segments is continuous at the transitions from the at least one section to its neighboring sections, and wherein the audio signal (41) generated by the control unit (24) forms the basis of the electrical input signal.

Anmelder

Firmen

Eberspächer Exhaust Technology GmbH & Co. KG
J. Eberspächer GmbH & Co. KG

Land

🇩🇪 Deutschland

Fachgebiete