Back to results
US 9,959,852 B2Granted
Vehicle engine sound extraction
AssigneeBose Corporation
InventorCristian Marius Hera
Life of this patent
Estimating the term…
Abstract
A method includes performing a harmonic decomposition on a target engine sound, thereby to extract each of N harmonics of the target engine sound over an RPM range; and out of the extracted harmonics, extracting phase and shape information for each of the N harmonics over the RPM range for reproducing the target engine sound. The method also includes configuring an engine harmonic enhancement (EHE) system to utilize the extracted phase and shape information to generate an engine harmonic enhancement signal, he(t), to be added on top of a baseline engine sound.
Claims16
A method, comprising:
- performing a harmonic decomposition on a target engine sound to be reproduced to extract each of N harmonics of the target engine sound over an RPM range;
- out of the extracted harmonics, extracting phase and shape information for each of the N harmonics over the RPM range, wherein the extracted phase and shape information is the minimum phase and shape information needed to preserve a character of the target engine sound;
- and
- reproducing the character of the target engine sound in a subject vehicle having a baseline engine sound that is distinct from the target engine sound, wherein the reproducing includes configuring an engine harmonic enhancement (EHE) system of the subject vehicle to utilize the extracted phase and shape information to generate an engine harmonic enhancement signal, he(t), to be added on top of the baseline engine sound of the subject vehicle.
1 more element
Dependencies are inferred from the claim text.