Patents by Inventor Mikko Tammi

Mikko Tammi 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: 11962993
    Abstract: An apparatus for audio signal processing audio objects within at least one audio scene, the apparatus comprising at least one processor configured to: define for at least one time period at least one contextual grouping comprising at least two of a plurality of audio objects and at least one further audio object of the plurality of audio objects outside of the at least one contextual grouping, the plurality of audio objects within at least one audio scene; and define with respect to the at least one contextual grouping at least one first parameter and/or parameter rule type which is configured to be applied with respect to a common element associated with the at least two of the plurality of audio objects and wherein the at least one first parameter and/or parameter rule type is configured to be applied with respect to individual element associated with the at least one further audio object outside of the at least one contextual grouping, the at least one first parameter and/or parameter rule type being appli
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: April 16, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Laaksonen, Mikko Tammi, Miikka Vilermo, Arto Lehtiniemi
  • Patent number: 11962992
    Abstract: According to an example embodiment, a method for processing a multi-channel input audio signal representing a sound field into a multi-channel output audio signal representing said sound field in accordance with a predefined loudspeaker layout is provided, the method comprising the following for at least one frequency band: obtaining spatial audio parameters that are descriptive of spatial characteristics of said sound field; estimating a signal energy of the sound field represented by the multi-channel input audio signal; estimating, based on said signal energy and the obtained spatial audio parameters, respective output signal energies for channels of the multi-channel output audio signal according to said predefined loudspeaker layout; determining a maximum output energy as the largest of the output signal energies across channels of said multi-channel output audio signal; and deriving, on basis of said maximum output energy, a gain value for adjusting sound reproduction gain in at least one of said channe
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: April 16, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Mikko-Ville Laitinen, Mikko Tammi, Jussi Virolainen, Jorma Mäkinen
  • Patent number: 11822708
    Abstract: A method comprising: in response to a determination that a user is not consuming or not fully consuming virtual content, rendering to the user, a real-time notification in response to real-time virtual content consumable by the user, wherein the real-time notification directs a user to adopt a particular orientation in the real space for starting or augmenting consumption, of the real-time virtual content.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: November 21, 2023
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Juhani Laaksonen, Miikka Vilermo, Mikko Tammi, Arto Lehtiniemi
  • Publication number: 20230362537
    Abstract: An apparatus including circuitry configured to: obtain two or more audio signals, wherein each audio signal is associated with a microphone array; obtain at least one value associated with an inter-channel difference based on the two or more audio signals; obtain at least one parameter value associated with the two or more audio signals; obtain at least one value associated with an inter-aural difference based at least on the at least one parameter value; generate at least two output audio signals by controlling inter-aural level differences of the generated at least two output audio signals based on the at least one value associated with the inter-channel difference and the at least one value associated with the inter-aural difference, such that sounds nearer to the microphone array are reproduced with a higher inter-aural difference at the at least two output audio signals.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 9, 2023
    Inventors: Mikko-Ville LAITINEN, Mikko TAMMI, Juha VILKAMO
  • Publication number: 20230254659
    Abstract: A method, apparatus and computer program, the method comprising: receiving a plurality of input signals representing a sound space; using the received plurality of input signals to obtain spatial metadata corresponding to the sound space; using the received plurality of input signals to obtain a first spatial audio signal corresponding to the spatial metadata; and associating the first spatial audio signal with the spatial metadata to enable the spatial metadata to be used to process the first spatial audio signal to obtain a second spatial audio signal.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Juha VILKAMO, Miikka VILERMO, Mikko TAMMI, Jussi VIROLAINEN
  • Publication number: 20230179939
    Abstract: An apparatus for audio signal processing audio objects within at least one audio scene, the apparatus comprising at least one processor configured to: define for at least one time period at least one contextual grouping comprising at least two of a plurality of audio objects and at least one further audio object of the plurality of audio objects outside of the at least one contextual grouping, the plurality of audio objects within at least one audio scene; and define with respect to the at least one contextual grouping at least one first parameter and/or parameter rule type which is configured to be applied with respect to a common element associated with the at least two of the plurality of audio objects and wherein the at least one first parameter and/or parameter rule type is configured to be applied with respect to individual element associated with the at least one further audio object outside of the at least one contextual grouping, the at least one first parameter and/or parameter rule type being appli
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Lasse LAAKSONEN, Mikko TAMMI, Miikka VILERMO, Arto LEHTINIEMI
  • Patent number: 11632643
    Abstract: A method, apparatus and computer program, the method comprising: receiving a plurality of input signals representing a sound space; using the received plurality of input signals to obtain spatial metadata corresponding to the sound space; using the received plurality of input signals to obtain a first spatial audio signal corresponding to the spatial metadata; and associating the first spatial audio signal with the spatial metadata to enable the spatial metadata to be used to process the first spatial audio signal to obtain a second spatial audio signal.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: April 18, 2023
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Juha Vilkamo, Miikka Vilermo, Mikko Tammi, Jussi Virolainen
  • Patent number: 11570564
    Abstract: An apparatus for audio signal processing audio objects within at least one audio scene, the apparatus comprising at least one processor configured to:define for at least one time period at least one contextual grouping comprising at least two of a plurality of audio objects and at least one further audio object of the plurality of audio objects outside of the at least one contextual grouping, the plurality of audio objects within at least one audio scene; anddefine with respect to the at least one contextual grouping at least one first parameter and/or parameter rule type which is configured to be applied with respect to a common element associated with the at least two of the plurality of audio objects and wherein the at least one first parameter and/or parameter rule type is configured to be applied with respect to individual element associatedwith the at least one further audio object outside of the at least one contextual grouping, the at least one first parameter and/or parameter rule type being applied
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 31, 2023
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Laaksonen, Mikko Tammi, Miikka Vilermo, Arto Lehtiniemi
  • Publication number: 20230024675
    Abstract: According to an example embodiment, a method for processing a multi-channel input audio signal representing a sound field into a multi-channel output audio signal representing said sound field in accordance with a predefined loudspeaker layout is provided, the method comprising the following for at least one frequency band: obtaining spatial audio parameters that are descriptive of spatial characteristics of said sound field; estimating a signal energy of the sound field represented by the multi-channel input audio signal; estimating, based on said signal energy and the obtained spatial audio parameters, respective output signal energies for channels of the multi-channel output audio signal according to said predefined loudspeaker layout; determining a maximum output energy as the largest of the output signal energies across channels of said multi-channel output audio signal; and deriving, on basis of said maximum output energy, a gain value for adjusting sound reproduction gain in at least one of said channe
    Type: Application
    Filed: September 26, 2022
    Publication date: January 26, 2023
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Mikko-Ville LAITINEN, Mikko TAMMI, Jussi VIROLAINEN, Jorma MÄKINEN
  • Patent number: 11457326
    Abstract: According to an example embodiment, a method for processing a multi-channel input audio signal representing a sound field into a multi-channel output audio signal representing said sound field in accordance with a predefined loudspeaker layout is provided, the method comprising the following for at least one frequency band: obtaining spatial audio parameters that are descriptive of spatial characteristics of said sound field; estimating a signal energy of the sound field represented by the multi-channel input audio signal; estimating, based on said signal energy and the obtained spatial audio parameters, respective output signal energies for channels of the multi-channel output audio signal according to said predefined loudspeaker layout; determining a maximum output energy as the largest of the output signal energies across channels of said multi-channel output audio signal; and deriving, on basis of said maximum output energy, a gain value for adjusting sound reproduction gain in at least one of said channe
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 27, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Mikko-Ville Laitinen, Mikko Tammi, Jussi Virolainen, Jorma Mäkinen
  • Publication number: 20220260664
    Abstract: According to an example embodiment, a method for audio focusing is provided, the method comprising: receiving a multi-channel audio signal that represents sounds in sound directions that correspond to respective positions in an image area of an image; receiving an indication of an audio focus direction that corresponds to a first position in the image area; selecting a primary sound direction from a plurality of different available candidate directions, wherein said plurality of different available candidate directions comprise said audio focus direction and one or more offset candidate directions and wherein each offset candidate direction corresponds to a respective candidate offset from said first position in the image area; and deriving, based on said multi-channel audio signal in dependence of the selected primary sound direction, an output audio signal where sounds in sound directions defined via the selected primary sound direction are emphasized in relation to sounds in sound directions other than tho
    Type: Application
    Filed: May 19, 2020
    Publication date: August 18, 2022
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Miikka VILERMO, Mikko TAMMI, Toni MÄKINEN, Juha VILKAMO
  • Patent number: 11328735
    Abstract: An apparatus for spatial audio signal encoding, the apparatus comprising at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: determine, for two or more audio signals, at least one spatial audio parameter for providing spatial audio reproduction, the at least one spatial audio parameter comprising a direction parameter with an elevation and an azimuth component; define a spherical grid generated by covering a sphere with smaller spheres, wherein the centres of the smaller spheres define points of the spherical grid; and convert the elevation and azimuth component of the direction parameter to an index value based on the defined spherical grid.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: May 10, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Juhani Laaksonen, Anssi Sakari Rämö, Adriana Vasilache, Mikko Tammi, Miikka Vilermo
  • Patent number: 11310588
    Abstract: An audio processing technique including obtaining a multi-channel audio signal, a first sound direction of interest and a second sound direction of interest; determining, for one or more frequency bands, a respective first range of sound directions encompassed by a first focus pattern directed to said first sound direction of interest and a respective second range of sound directions encompassed by a second focus pattern directed to said second sound direction of interest; determining, for said one or more frequency bands, respective overlap between the first and second ranges of sound directions; and deriving, based on the multi-channel audio signal and in accordance with said first and second focus patterns, a processed audio signal where sounds in said first and second sound directions of interest are emphasized in relation to sounds in other sound directions, said derivation including controlling emphasis in dependence of the determined overlap.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: April 19, 2022
    Assignee: Nokia Technologies Oy
    Inventors: Toni Makinen, Miikka Vilermo, Mikko Tammi, Jussi Virolainen
  • Publication number: 20220060824
    Abstract: According to an example embodiment, a method for processing two or more microphone signals is provided. The method includes deriving a first captured audio signal having one or more channels based on the two or more microphone signals received from respective two or more microphones in accordance with capture control data that identifies at least one characteristic for derivation of the first captured audio signal; storing at least part of the capture control data and intermediate audio data derived based on the two or more received microphone signals; deriving modified capture control data as a combination of the stored capture control data and user-definable post-capture control data that identifies at least one characteristic for derivation of a second captured audio signal; and deriving the second captured audio signal having one or more channels based on said intermediate audio data in accordance with the modified capture control data.
    Type: Application
    Filed: January 2, 2020
    Publication date: February 24, 2022
    Inventors: Jussi VIROLAINEN, Juha VILKAMO, Kai HAVUKAINEN, Mikko TAMMI, Toni MAKINEN, Juha OJANPERA
  • Patent number: 11210518
    Abstract: An apparatus configured: based on a point of interest identified in one or more instances of virtual reality content comprising at least visual imagery and data to provide a virtual reality space in which the visual imagery is displayed; and based on context information for at least one of the instances of the virtual reality content, the context information defining the extent of a virtual sub-volume of the virtual reality space that includes the point of interest; to provide for display of a virtual-reality-content-review-space to a user comprising a space in which a VR preview of the instances of virtual reality content is displayed at a location spaced from a point of view of the user, the or each VR preview comprising the respective sub-volume defined by the context information for providing the user with an understanding of the virtual reality space around the point of interest.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: December 28, 2021
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Laaksonen, Miikka Vilermo, Mikko Tammi, Arto Lehtiniemi
  • Publication number: 20210360362
    Abstract: According to an example embodiment, a method for processing a multi-channel input audio signal representing a sound field into a multi-channel output audio signal representing said sound field in accordance with a predefined loudspeaker layout is provided, the method comprising the following for at least one frequency band: obtaining spatial audio parameters that are descriptive of spatial characteristics of said sound field; estimating a signal energy of the sound field represented by the multi-channel input audio signal; estimating, based on said signal energy and the obtained spatial audio parameters, respective output signal energies for channels of the multi-channel output audio signal according to said predefined loudspeaker layout; determining a maximum output energy as the largest of the output signal energies across channels of said multi-channel output audio signal; and deriving, on basis of said maximum output energy, a gain value for adjusting sound reproduction gain in at least one of said channe
    Type: Application
    Filed: June 8, 2018
    Publication date: November 18, 2021
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Mikko-Ville LAITINEN, Mikko TAMMI, Jussi VIROLAINEN, Jorma MÄKINEN
  • Publication number: 20210343296
    Abstract: The application relates to apparatus, methods and computer programs for controlling band limited audio objects. The example apparatus includes circuitry configured for: obtaining a band limited audio object comprising one or more parameters; obtaining spatial metadata associated with the band limited audio object; determining a position of a user; and using the determined position of the user and the spatial metadata associated with the band limited audio object to control at least one of the parameters of the band limited audio object.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 4, 2021
    Inventors: Miikka VILERMO, Mikko TAMMI, Mikko-Ville LAITINEN, Jussi VIROLAINEN, Juha VILKAMO
  • Publication number: 20210337339
    Abstract: A method, apparatus and computer program, the method comprising: receiving a plurality of input signals representing a sound space; using the received plurality of input signals to obtain spatial metadata corresponding to the sound space; using the received plurality of input signals to obtain a first spatial audio signal corresponding to the spatial metadata; and associating the first spatial audio signal with the spatial metadata to enable the spatial metadata to be used to process the first spatial audio signal to obtain a second spatial audio signal.
    Type: Application
    Filed: June 11, 2018
    Publication date: October 28, 2021
    Applicant: NOKIA TECHNOLOGIES OY
    Inventors: Juha VILKAMO, Miikka VILERMO, Mikko TAMMI, Jussi VIROLAINEN
  • Patent number: 11094119
    Abstract: A method is provided, comprising: preventing rendering of specific audio in a virtual space to a user through virtual reality; enabling the user to explore the virtual space through user-perspective controlled virtual reality without hearing the specific audio; and in response to an interrupt, performing a visual transition to audio-visual content comprising the specific audio and visual content associated with the specific audio and then rendering specific audio and the visual content associated with the specific audio in the virtual space to the user through virtual reality.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: August 17, 2021
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Lasse Laaksonen, Miikka Vilermo, Arto Lehtiniemi, Mikko Tammi
  • Publication number: 20210250717
    Abstract: An apparatus including circuitry configured for: receiving at least two audio signals; determining at least one lower frequency effect parameter based on the at least two audio signals; determining at least one transport audio signal based on the at least two audio signals; controlling a transmission/storage of the at least one transport audio signal and the at least one lower frequency effect information such that a rendering based on the at least one transport audio signal and the at least one lower frequency effect information enables a determination of at least one low frequency effect channel.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 12, 2021
    Inventors: Mikko-Ville LAITINEN, Milkka VILERMO, Mikko TAMMI, Jussi VIROLAINEN, Juha VILKAMO