Patents by Inventor Sead Smailagic
Sead Smailagic has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10715945Abstract: Disclosed is a method for determining an audio filter. The method includes obtaining head-tracking data representing a head pose, also referred to as a head position, relative to a torso pose of an intended subject, and selecting a representation of a Head Related Transfer Function, HRTF, from a HRTF database, based on the head-tracking data and information representative of the position and/or direction of a sound source. The method also includes determining the audio filter based on the selected HRTF representation.Type: GrantFiled: October 24, 2017Date of Patent: July 14, 2020Assignee: Dirac Research ABInventors: Nilo Casimiro Ericsson, Sead Smailagic
-
Publication number: 20200059749Abstract: Disclosed is a method for determining an audio filter. The method includes obtaining head-tracking data representing a head pose, also referred to as a head position, relative to a torso pose of an intended subject, and selecting a representation of a Head Related Transfer Function, HRTF, from a HRTF database, based on the head-tracking data and information representative of the position and/or direction of a sound source. The method also includes determining the audio filter based on the selected HRTF representation.Type: ApplicationFiled: October 24, 2017Publication date: February 20, 2020Inventors: NILO CASIMIRO ERICSSON, SEAD SMAILAGIC
-
Publication number: 20190278802Abstract: Disclosed is a method for creating a filter database using head-tracking data. The method includes measuring, for a given sound source, and constructing Head Related Transfer Functions, HRTFs, each HRTF associated with a head pose, also referred to as a position of the head of an intended subject, relative to a torso pose in addition to a position and/or direction of the sound source. The method further includes tracking the head pose relative the torso pose for each measurement to obtain associated head-tracking data, and storing representations of the HRTFs together with the associated head-tracking data and information of the position and/or direction of the sound source in the database.Type: ApplicationFiled: October 24, 2017Publication date: September 12, 2019Inventors: NILO CASIMIRO ERICSSON, SEAD SMAILAGIC
-
Patent number: 9692383Abstract: The invention is directed to determining a gain for an equalizer associated with an audio device. An exemplary method comprises determining a maximum audio output level allowed by an acoustic safety threshold; determining a setting of the equalizer; and adjusting a gain of the equalizer based on the setting and the maximum audio output level. The invention enables an audio device to simultaneously satisfy an acoustic safety threshold and deliver an optimum audio output level.Type: GrantFiled: February 27, 2014Date of Patent: June 27, 2017Assignees: Sony Corporation, Sony Mobile Communications Inc.Inventors: Martin Nystrom, Sead Smailagic, Andrej Petef
-
Patent number: 9525954Abstract: The invention relates to an audio device comprising: an audio source arranged to produce audio signals; an audio output arranged to connect at least one speaker with said audio device; impedance calculation means arranged to calculate an impedance of said at least one speaker; a speaker identification module arranged to determine the identity of said at least one speaker using said impedance and identification data relating to one or more reference speakers. Once the identity of a speaker is known, it can be used for audio compensation or marketing information.Type: GrantFiled: May 16, 2012Date of Patent: December 20, 2016Assignees: Sony Corporation, Sony Mobile Communications Inc.Inventors: Martin Nystrom, Sead Smailagic
-
Patent number: 9451351Abstract: A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing, and an audio processing module. The audio processing module is configured to receive an audio signal from an audio device, determine whether the audio signal includes at least a predetermined level of audio having a frequency in a first range of frequencies, transmit a first leakage control signal to a leakage hole valve when it is determined that the audio includes at least the predetermined level of low frequency audio; and transmit a second leakage control signal to the leakage hole valve when it is determined that the audio does not include at least the predetermined level of low frequency audio. The leakage hole valve is configured to close the leakage hole upon receipt of the first leakage control signal and open the leakage hole upon receipt of the second leakage control signal.Type: GrantFiled: June 16, 2011Date of Patent: September 20, 2016Assignees: Sony Corporation, Sony Mobile Communications Inc.Inventors: Sead Smailagic, Martin Nyström
-
Publication number: 20160268989Abstract: The invention is directed to determining a gain for an equalizer associated with an audio device. An exemplary method comprises determining a maximum audio output level allowed by an acoustic safety threshold; determining a setting of the equalizer; and adjusting a gain of the equalizer based on the setting and the maximum audio output level. The invention enables an audio device to simultaneously satisfy an acoustic safety threshold and deliver an optimum audio output level.Type: ApplicationFiled: February 27, 2014Publication date: September 15, 2016Inventors: Martin Nystrom, Sead Smailagic, Andrej Petef
-
Patent number: 9253586Abstract: A method by an electronic device for controlling a frequency response of audio output includes: receiving an audio signal at the device; estimating a sound pressure level of the audio signal based on one or more attributes or settings of the electronic device and/or the audio signal; generating values of an adaptive loudness control curve along a range of frequencies, wherein the adaptive loudness control curve is generated based on a difference between values of an equal loudness curve at the estimated sound pressure level along and values of an equal loudness curve at a reference sound pressure level; filtering the audio signal using values of the adaptive loudness control curve; and controlling output of the filtered audio signal as an audio output having substantially the same loudness along the range of frequencies.Type: GrantFiled: April 26, 2013Date of Patent: February 2, 2016Assignee: Sony CorporationInventors: Martin Nystrom, Sead Smailagic
-
Patent number: 9161133Abstract: A method for reducing crosstalk in a headset connected to an audio device, in which the includes a left headphone, a right headphone and a common ground for the left headphone and the right headphone includes determining a frequency dependent impedance of the headset. The method also includes determining a frequency dependent impedance of the common ground, and determining a frequency dependent substantially optimum cross feed for attenuating crosstalk in at least one of the left headphone and the right headphone based on the impedance of the headset and the frequency dependent impedance of the common ground. The method further includes applying the frequency dependent substantially optimum cross feed to attenuate the crosstalk in the at least one of the left headphone and the right headphone.Type: GrantFiled: June 24, 2013Date of Patent: October 13, 2015Assignee: Sony CorporationInventors: Martin Nystrom, Andrej Petef, Sead Smailagic
-
Patent number: 9118991Abstract: A device may store a subset of a plurality of head-related transfer functions (HRTFs) for emulating stereo sound from a source in three-dimensional (3D) space, each of the HRTFs corresponding to a direction from which the stereo sound is perceived to arrive, by a user hearing the stereo sound. The device may also obtain a first direction from which first stereo sound is perceived to arrive, by the user and determine whether the subset of the plurality of HRTFs includes a first HRTF corresponding to the first direction, wherein the plurality of HRTFs include the first HRTF. Further, the device may select two HRTFs in the subset of the HRTFs, wherein directions that are associated with the two HRTFs are closer to the first direction than directions of other HRTFs in the subset of the HRTFs.Type: GrantFiled: June 9, 2011Date of Patent: August 25, 2015Assignees: Sony Corporation, Sony Mobile Communications ABInventors: Martin Nystrom, Sead Smailagic
-
Patent number: 9094501Abstract: A system for collecting earpiece data from a mobile terminal comprising an earpiece includes an earpiece data module in the mobile terminal configured to obtain earpiece data based on usage of the earpiece. A mobile terminal memory is in the mobile terminal and is configured to store the earpiece data. A communications module is in the mobile terminal and is configured to connect the mobile terminal to a remote earpiece data collection module that is remote to the mobile terminal. The earpiece data module is further configured to determine if the earpiece data in the mobile terminal memory satisfies a threshold and to transmit the earpiece data to the remote earpiece data collection module by the communications module if the earpiece data satisfies the threshold.Type: GrantFiled: August 10, 2011Date of Patent: July 28, 2015Assignees: Sony Corporation, Sony Mobile Communications ABInventors: Sead Smailagic, Jesper Nilsson, Martin Nystrom
-
Publication number: 20140376753Abstract: A method for reducing crosstalk in a headset connected to an audio device, in which the includes a left headphone, a right headphone and a common ground for the left headphone and the right headphone includes determining a frequency dependent impedance of the headset. The method also includes determining a frequency dependent impedance of the common ground, and determining a frequency dependent substantially optimum cross feed for attenuating crosstalk in at least one of the left headphone and the right headphone based on the impedance of the headset and the frequency dependent impedance of the common ground. The method further includes applying the frequency dependent substantially optimum cross feed to attenuate the crosstalk in the at least one of the left headphone and the right headphone.Type: ApplicationFiled: June 24, 2013Publication date: December 25, 2014Applicant: Sony CorporationInventors: Martin Nystrom, Andrej Petef, Sead Smailagic
-
Publication number: 20140321670Abstract: A method by an electronic device for controlling a frequency response of audio output includes: receiving an audio signal at the device; estimating a sound pressure level of the audio signal based on one or more attributes or settings of the electronic device and/or the audio signal; generating values of an adaptive loudness control curve along a range of frequencies, wherein the adaptive loudness control curve is generated based on a difference between values of an equal loudness curve at the estimated sound pressure level along and values of an equal loudness curve at a reference sound pressure level; filtering the audio signal using values of the adaptive loudness control curve; and controlling output of the filtered audio signal as an audio output having substantially the same loudness along the range of frequencies.Type: ApplicationFiled: April 26, 2013Publication date: October 30, 2014Applicant: Sony CorporationInventors: Martin Nystrom, Sead Smailagic
-
Publication number: 20130287224Abstract: A microphone array includes a left microphone, a right microphone and a processor to receive a right microphone signal from the right microphone and a left microphone signal from the left microphone. The processor determines a timing difference between the left microphone signal and the right microphone signal. The processor determines whether the timing difference is within a time threshold. The processor time shifts one of the left microphone signal and the right microphone signal based on the timing difference. The processor also sums the shifted microphone signal and the other microphone signal to form an output signal.Type: ApplicationFiled: April 27, 2012Publication date: October 31, 2013Applicant: SONY ERICSSON MOBILE COMMUNICATIONS ABInventors: Martin Nystrom, Jesper Nilsson, Sead Smailagic
-
Publication number: 20130170679Abstract: A device may store a subset of a plurality of head-related transfer functions (HRTFs) for emulating stereo sound from a source in three-dimensional (3D) space, each of the HRTFs corresponding to a direction from which the stereo sound is perceived to arrive, by a user hearing the stereo sound. The device may also obtain a first direction from which first stereo sound is perceived to arrive, by the user and determine whether the subset of the plurality of HRTFs includes a first HRTF corresponding to the first direction, wherein the plurality of HRTFs include the first HRTF.Type: ApplicationFiled: June 9, 2011Publication date: July 4, 2013Applicant: SONY ERICSSON MOBILE COMMUNICATIONS ABInventors: Martin Nystrom, Sead Smailagic
-
Publication number: 20130149969Abstract: A system for collecting earpiece data from a mobile terminal comprising an earpiece includes an earpiece data module in the mobile terminal configured to obtain earpiece data based on usage of the earpiece. A mobile terminal memory is in the mobile terminal and is configured to store the earpiece data. A communications module is in the mobile terminal and is configured to connect the mobile terminal to a remote earpiece data collection module that is remote to the mobile terminal. The earpiece data module is further configured to determine if the earpiece data in the mobile terminal memory satisfies a threshold and to transmit the earpiece data to the remote earpiece data collection module by the communications module if the earpiece data satisfies the threshold.Type: ApplicationFiled: August 10, 2011Publication date: June 13, 2013Inventors: Sead Smailagic, Jesper Nilsson, Martin Nystrom
-
Publication number: 20130044888Abstract: The invention relates to an audio device comprising: an audio source arranged to produce audio signals; an audio output arranged to connect at least one speaker with said audio device; impedance calculation means arranged to calculate an impedance of said at least one speaker; a speaker identification module arranged to determine the identity of said at least one speaker using said impedance and identification data relating to one or more reference speakers. Once the identity of a speaker is known, it can be used for audio compensation or marketing information.Type: ApplicationFiled: May 16, 2012Publication date: February 21, 2013Applicant: SONY ERICSSON MOBILE COMMUNICATIONS ABInventors: Martin NYSTRÖM, Sead SMAILAGIC
-
Publication number: 20120321103Abstract: A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing, and an audio processing module. The audio processing module is configured to receive an audio signal from an audio device, determine whether the audio signal includes at least a predetermined level of audio having a frequency in a first range of frequencies, transmit a first leakage control signal to a leakage hole valve when it is determined that the audio includes at least the predetermined level of low frequency audio; and transmit a second leakage control signal to the leakage hole valve when it is determined that the audio does not include at least the predetermined level of low frequency audio. The leakage hole valve is configured to close the leakage hole upon receipt of the first leakage control signal and open the leakage hole upon receipt of the second leakage control signal.Type: ApplicationFiled: June 16, 2011Publication date: December 20, 2012Applicant: SONY ERICSSON MOBILE COMMUNICATIONS ABInventors: Sead Smailagic, Martin Nyström
-
Publication number: 20110293109Abstract: A hands-free unit comprises a noise tolerant audio sensor to generate a first audio signal based on detection of audible sounds and an external audio sensor to generate a second audio signal based on detection of the audible sounds. A tunable distortion reduction filter adds high frequency information to the first audio signal and reduces distortion. A control unit detects noise levels based on comparison of first and second audio signals; and selects one of the first and second audio signals based on the detected noise level.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: Sony Ericsson Mobile Communications ABInventors: Martin Nyström, Sead Smailagic, Markus Agevik
-
Patent number: D731044Type: GrantFiled: July 30, 2012Date of Patent: June 2, 2015Assignee: WEBASTO SEInventors: Gary Fulkerson, Rolf Haag, Robert Gaarder, Mark Hickey, Sead Smailagic, Albrecht Otte