# US 2019/0244599 A1 · Method and device for suppressing acoustic interference signals resulting from the operation of a motor- vehicle drive unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0244599 A1 - Document ID: US20190244599A1 - Status: Published application - Kind: A1 - Application number: 16/343,944 - Filed: 2017-10-20 - Published: 2019-08-08 - Earliest claimed: 2016-10-20 - Assignees: Ask Industries GmbH - Applicants: Ask Industries GmbH - Inventors: Victor KALINICHENKO - Web page: https://patentgrep.com/patent/US20190244599A1 ## CPC - G10K 11/1781: {characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions} - G10K 11/17817: {between the output signals and the error signals, i.e. secondary path} - G10K 11/17875: {using an error signal without a reference signal, e.g. pure feedback} - G10K 2210/1282: Automobiles - G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR ## Abstract Method for suppressing acoustic interfering signals, introduced into a passenger compartment of the motor vehicle, including: detecting a physical size in the passenger compartment of the motor vehicle, generating a detection information describing the detected physical size in the passenger compartment of the motor vehicle, selection of a counter-signal parameter influencing the acoustic counter-signal, depending upon the physical size described through the detection information, and/or adaptation of a counter-signal parameter influencing the acoustic counter-signal, depending upon the physical size described through the detection information, generating an acoustic counter-signal on the basis of the selected counter-signal parameter and/or on the basis of the adapted counter-signal parameter, and outputting the generated acoustic counter-signal into the passenger compartment of the motor vehicle to suppress acoustic interfering signals, introduced into the passenger compartment of the motor vehicle, resulting from the operation of the on-board drive unit. ## Claims ### Claim 1 Method for suppressing acoustic interfering signals (5), introduced into a passenger compartment (4) of the motor vehicle (2), resulting from the operation of an on-board drive unit (3), by means of at least one artificially-generated acoustic counter-signal (6), defined through at least one counter-signal parameter, including the following steps: detecting at least one physical size in the passenger compartment (4) of the motor vehicle (2), generating at least one detection information describing the at least one detected physical size in the passenger compartment (4) of the motor vehicle (2), selection of at least one counter-signal parameter influencing the acoustic counter-signal (6), depending upon the physical size described through the detection information, and/or adaptation of at least one counter-signal parameter influencing the acoustic counter-signal (6), depending upon the physical size described through the detection information, generating an acoustic counter-signal (6) on the basis of the at least one selected counter-signal parameter and/or on the basis of the at least one adapted counter-signal parameter, and outputting the generated acoustic counter-signal (6) into the passenger compartment (4) of the motor vehicle (2) to suppress acoustic interfering signals (5), introduced into the passenger compartment (4) of the motor vehicle (2), resulting from the operation of the on-board drive unit (3). ### Claim 2 (depends on 1) Method according to claim 1, characterized in that the selection of an acoustic counter-signal parameter occurs from a storage device (11) containing multiple acoustic counter-signal parameters, depending upon the physical size described through the detection information, wherein acoustic counter-signal parameters, respectively assigned to at least one established physical size, is stored data-accordantly in the storage device (11). ### Claim 3 (depends on 1) Method according to claim 1, characterized in that the adaptation of the, in particular pre-selected, acoustic counter-signal parameter occurs by means of a adaption function selected depending upon the physical size described through the detection information. ### Claim 4 (depends on 3) Method according to claim 3, characterized in that the selection of an adaptation function occurs from a storage device (11) containing multiple adaptation functions, depending upon the physical size described through the detection information, wherein adaptation functions respectively assigned to at least one established physical size are stored data-accordantly in the storage device (11). ### Claim 5 (depends on 1) Method according to claim 1, characterized in that the pressure or the moisture or the temperature is detected as the at least one physical size inside the passenger compartment of the motor vehicle. ### Claim 6 (depends on 1) Method according to claim 1, characterized in that a course of the at least one physical size temporally-dependent over a certain time period is detected. ### Claim 7 (depends on 1) Method according to claim 1, characterized in that the at least one physical size in continuously or discontinuously detected. ### Claim 8 (depends on 1) Method according to claim 1, characterized in that the phase of the acoustic counter-signal (6), or the frequency of the acoustic counter-signal (6), or a transfer path describing the phase and the frequency of the acoustic counter-signal (6) or the intensity of the acoustic counter-signal (6) is used as the at least one parameter influencing the acoustic counter-signal (6). ### Claim 9 (depends on 1) Method according to claim 1, characterized in that all counter-signal parameters influencing the acoustic counter-signal (6) are selected, within the scope of the selection of the at least one counter-signal parameter influencing the acoustic counter-signal (6), so that a completely new acoustic counter-signal (6) is selected and/or so that all counter-signal parameters influencing the acoustic counter-signal are adapted, in the scope of the adaptation of the at least one counter-signal parameter influencing the acoustic counter-signal (6), so that a complete acoustic counter-signal (6) is adapted. ### Claim 10 (depends on 1) Device (1) for suppressing acoustic interfering signals (5), introduced into a passenger compartment (4) of the motor vehicle (2), resulting from the operation of an on-board drive unit (3), by means of at least one artificially-generated acoustic counter-signal (6), defined through at least one counter-signal parameter, in particular according to the method according to claim 1, including a detection device (10), a control unit (9), a storage device (11) and an output unit (8), wherein the detection device (10) is configured to detect at least one physical size in the passenger compartment (4) of a motor vehicle (2), the control unit (9) is configured to generate at least one detection information describing the at least one detected physical size in the passenger compartment (4) of the motor vehicle (2) and to select at least one counter-signal parameter influencing the acoustic counter-signal (6) from the storage device (11), depending upon the physical size described through the detection information, and/or to adapt at least one counter-signal parameter influencing the acoustic counter-signal (6) from a storage device (11), depending on the physical size described through the detection information, as well as to generate an acoustic counter-signal (6), on the basis of the least one selected counter-signal parameter and/or on the basis of the at least one adapted counter-signal parameter, and the output device (8) is configured to output the generated acoustic counter-signal (6) into the passenger compartment (4) of the motor vehicle (2) to suppress acoustic interfering signals (5), introduced into the passenger compartment (4) of the motor vehicle (2), resulting from the operation of the on-board drive unit (3). ### Claim 11 (depends on 10) Device according to claim 10, characterized in that the control unit (9) contains multiple acoustic counter-signal parameters, wherein acoustic counter-signal parameters respectively assigned to at least one established physical size are stored data-accordantly in the storage device (11). ### Claim 12 (depends on 10) Device according to claim 10, characterized in that the control unit (9) is configured to carry out the adaption of the in particular pre-selected acoustic counter-signal parameter by means of an adaptation function selected depending upon the physical size described through the detection information. ### Claim 13 (depends on 12) Device according to claim 12, characterized in that the storage device (11) includes multiple adaption functions, wherein adaption functions respectively assigned to at least one established physical size are stored data-accordantly in the storage device (11). ### Claim 14 (depends on 1) Device according to claim 1, characterized in that the at least one physical size is the pressure or the moisture or the temperature inside the passenger compartment (4) of the motor vehicle (2). ### Claim 15 (depends on 10) Device according to claim 10, characterized in that the detection device (10) is configured to detect a course of the at least one physical size temporarily-dependent over a certain time period. ### Claim 16 (depends on 10) Device according to claim 10, characterized in that the detection device (10) is configured to continuously or discontinuously detect the at least one physical size. ### Claim 17 (depends on 10) Device according to claim 10, characterized in that the at least one parameter influencing the acoustic counter signal (6) is the phase of the acoustic counter signal (6) of the frequency of the acoustic counter signal (6) or a transfer path describing the phase and the frequency of the acoustic counter signal (6), or the intensity of the acoustic counter signal (6). ### Claim 18 (depends on 10) Device according to claim 10, characterized in that the control unit (9) is configured to select all counter signal parameters influencing the acoustic counter signal (6) in the scope of the selection of the at least one counter signal parameter influencing the acoustic counter signal (6), so that a completely new acoustic counter signal (6) is selected, and/or to adapt all counter signal parameter influencing the acoustic counter signal (6) in the scope of the adaption of the at least one counter signal parameter influencing the acoustic counter signal (6), so that a complete acoustic counter signal (6) is adapted. ### Claim 19 (depends on 10) Motor vehicle (2), comprising at least one drive unit (3) and a device (1) according to claim 10, wherein acoustic interfering signals (5) resulting from the operation of the drive unit (3) introducible into the passenger compartment (4) are compensatable or compensated by the device (1).