# US 2019/0245502 A1 · Electronic Device with In-Pocket Audio Transducer Adjustment and Corresponding Methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0245502 A1 - Document ID: US20190245502A1 - Status: Published application - Kind: A1 - Application number: 16/213,855 - Filed: 2018-12-07 - Published: 2019-08-08 - Earliest claimed: 2018-02-02 - Assignees: Motorola Mobility LLC - Applicants: Motorola Mobility LLC - Inventors: Rachid Alameh; Robert Zurek; Jarrett Simerson - Web page: https://patentgrep.com/patent/US20190245502A1 ## CPC - H03G 3/32: the control being dependent upon ambient noise level or sound level - H03G 3/3005: {in amplifiers suitable for low-frequencies, e.g. audio amplifiers (H03G3/32, H03G3/34 take precedence)} - H03G 5/165: {Equalizers; Volume or gain control in limited frequency bands} - H03G 7/002: {in untuned or low-frequency amplifiers, e.g. audio amplifiers (H03G7/007, H03G7/001, H03G7/008, H03G7/02, H03G7/06 take precedence)} - H04R 1/406: {microphones} - H04R 3/005: {for combining the signals of two or more microphones (specially adapted for hearing aids H04R25/407)} - H04R 29/002: {Loudspeaker arrays} - H04R 2410/01: Noise reduction using microphones having different directional characteristics - H04R 2410/05: Noise reduction with a separate noise microphone - H04R 2430/20: Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic (H04R2203/12 takes precedence) - H04R 2499/11: Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's - H03G: CONTROL OF AMPLIFICATION - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract An electronic device includes one or more microphones, one or more sensors, and one or more processors operable with the one or more microphones and the one or more sensors. The one or more processors, upon the one or more sensors detecting the electronic device is disposed within a repository container, such as a pocket, apply an audio signal adjustment function to signals received from the one or more microphones, thereby mitigating noise in the signals caused by the repository container. ## Claims ### Claim 1 A method in an electronic device, the method comprising: detecting, with one or more sensors of the electronic device, an enclosed condition of the electronic device; determining, with one or more processors, an audio signal adjustment function for one or more audio transducers of the electronic device in response to the enclosed condition; and applying, with the one or more processors, the audio signal adjustment function to signals received from, or delivered to, the one or more audio transducers during the enclosed condition. ### Claim 2 (depends on 1) The method of claim 1, wherein the determining the audio signal adjustment function comprises: delivering, from one or more audio output devices, a predefined acoustic output to one or more microphones; and measuring, with the one or more processors, attenuation of the predefined acoustic output occurring between the one or more audio output devices and the one or more microphones. ### Claim 3 (depends on 1) The method of claim 1, wherein the determining the audio signal adjustment function comprises: estimating, with the one or more processors, a noise spectrum from the signals received from one or more microphones while in the enclosed condition; and comparing the noise spectrum to a reference noise spectrum stored within a memory of the electronic device. ### Claim 4 (depends on 3) The method of claim 3, wherein the reference noise spectrum comprises a noise spectrum estimate determined prior to the enclosed condition. ### Claim 5 (depends on 1) The method of claim 1, wherein the detecting the enclosed condition comprises: estimating, with the one or more processors, a noise spectrum from the signals received from one or more microphones while in the enclosed condition; and comparing the noise spectrum to a reference noise spectrum stored within a memory of the electronic device. ### Claim 6 (depends on 1) The method of claim 1, wherein the enclosed condition comprises an in-pocket condition, further comprising identifying, with the one or more processors, a pocket material by referencing a predefined audio signal adjustment function. ### Claim 7 (depends on 6) The method of claim 6, further comprising selecting a closest predefined audio signal adjustment function, wherein the applying comprises applying the closest predefined audio signal adjustment function to the signals received from one or more microphones. ### Claim 8 (depends on 6) The method of claim 6, further comprising: failing to find a sufficiently matching predefined audio signal adjustment; and recording the audio signal adjustment function in a table as a new audio signal adjustment function. ### Claim 9 (depends on 1) The method of claim 1, further comprising: also detecting, with the one or more sensors, cessation of the enclosed condition; and terminating application of the audio signal adjustment function to the signals received from the one or more audio transducers. ### Claim 10 (depends on 1) The method of claim 1, further comprising: detecting, with the one or more sensors, motion of the electronic device; and repeating the determining the audio signal adjustment function and the applying the audio signal adjustment function to the signals in response to detecting the motion. ### Claim 11 (depends on 1) The method of claim 1, wherein the one or more audio transducers comprise a plurality of microphones, further comprising selecting, with the one or more processors, a microphone receiving a least amount of enclosure noise to capture audio input from an environment of the electronic device during the enclosed condition. ### Claim 12 An electronic device, comprising: one or more microphones; one or more loudspeakers; one or more sensors; and one or more processors operable with the one or more microphones and the one or more sensors; and the one or more processors, upon the one or more sensors detecting the electronic device is disposed within a repository container, applying an audio signal adjustment function to one of signals received from the one or more microphones or delivered to the one or more loudspeakers, thereby mitigating noise in the signals caused by the repository container. ### Claim 13 (depends on 12) The electronic device of claim 12, the one or more processors determining the audio signal adjustment function by measuring attenuation of a predefined acoustic output from the one or more loudspeakers when received by the one or more microphones. ### Claim 14 (depends on 12) The electronic device of claim 12, further comprising determining an estimated noise index when the electronic device is disposed within the repository container. ### Claim 15 (depends on 12) The electronic device of claim 12, the audio signal adjustment function comprising one or more amplitude compensation coefficients and one or more spectral equalization coefficients. ### Claim 16 (depends on 15) The electronic device of claim 15, the one or more processors further: detecting, from the one or more sensors, motion of the electronic device; and applying a different audio signal adjustment function in response to the motion. ### Claim 17 (depends on 12) The electronic device of claim 12: the one or more sensors detecting the electronic device is within the repository container when an estimated noise index measured by the one or more microphones when the electronic device is within the repository container and another estimated noise index measured by the one or more microphones when the electronic device is outside the repository container exceeds a predefine threshold; and the one or more processors determining the audio signal adjustment function by measuring attenuation of a predefined acoustic output from the electronic device when received by the one or more microphones. ### Claim 18 A method in an electronic device, the method comprising: monitoring, with one or more processors, an estimated noise index occurring in signals received from one or more microphones of the electronic device; detecting, with the one or more processors, when a change in the estimated noise index exceeds a predefined threshold, an in-container condition of the electronic device; and applying, with the one or more processors, an audio signal adjustment function to one of the signals received from the one or more microphones or other signals delivered to one or more audio output devices to mitigate in-container noise occurring due to the in-container condition. ### Claim 19 (depends on 18) The method of claim 18, further comprising delivering, from the one or more audio output devices of the electronic device, a predefined acoustic output to the one or more microphones, and measuring, with the one or more processors, attenuation of the predefined acoustic output occurring between the one or more audio output devices and the one or more microphones to determine the audio signal adjustment function. ### Claim 20 (depends on 18) The method of claim 18, further comprising identifying a material causing the in-container condition.