Method and device for stereophonic depiction of virtual noise sources in vehicle

Abstract

The disclosure relates to a method and a device for stereophonic representation of virtual noise sources in a vehicle, in which real noise sources caused on the vehicle are used as the basis for generating virtual noise sources. With the method for stereophonic representation of virtual noise sources (10.1, 10.2, 10.3) in a vehicle (11), a sound of a real noise source of the vehicle (11) is detected at least one detection position on or in the vehicle as at least one monophonic audio signal (1) and using the detected monophonic audio signal (1), at least one additional monophonic audio signal(3) and at least the positional data of the detection position, a sound at least of one virtual noise source is generated as at least one sonic object, wherein the detected monophonic audio signal (1)and the additional monophonic audio signal (3) are rendered so that the sound of the at least one virtual noise source is reproduced as a sonic object (4) in a virtual sonic space at least at the detection position and conveyed into a passenger compartment of the vehicle (11).

Description

technical field [0001] The present invention relates to a method and a device for stereoscopically displaying a virtual noise source in a vehicle, wherein a real noise source generated on the vehicle is used as a basis for generating the virtual noise source. Background technique [0002] For acoustic improvement of the passenger compartment in a vehicle, it is desirable to mimic the directional noise of noise sources on or in the vehicle, such as vehicle tire rolling noise, engine noise, intake noise or exhaust system noise, and to be able to adjust them if necessary Changes are made to enable an acoustically intense driving experience. However, in known systems such as disclosed by US 20120177214 A1 (which discloses a possibility to improve the acoustic reproduction of engine noise), there is the problem that only an insufficiently homogeneous sound environment can be produced such that all vehicle occupants cannot perceive to the same quality sound. Thus, in channel-bas...

AI Technical Summary

Problems solved by technology

However, in known systems such as disclosed by US 20120177214 A1 (which discloses a possibility to improve the acoustic reproduction of engine noise), there is the problem that only an insufficiently homogeneous sound environment can be produced such that all vehicle occupants cannot perceive to the same quality sound

Outside the sweet spot, the sonic effect is limited or absent, which results in a choppy sonic effect for the virtual noise source, making the virtual noise source unnatural to other vehicle occupants

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