Nokia Technologies Oy

Toni Mäkinen

Miikka Tapani Vilermo

Mikko Tapio Tammi

Arto Juhani Lehtiniemi

Lasse Juhani Laaksonen

Anssi Sakari Rämö

Mikko Olavi Heikkinen

Roope Olavi Jarvinen

Koray Ozcan

Jussi Virolainen

Hannu Juhani Pulakka

Antti Johannes Eronen

Sujeet Shyamsundar Mate

Jussi Artturi Leppänen

Adriana Vasilache

Juha Vilkamo

Anssi Ramo

Mikko-ville Laitinen

Jussi Leppänen

Anssi Rämö

An apparatus, method and computer program product for: providing spatial audio content for output via at least one loudspeaker, determining a position of at least one audio device operatively connected to the at least one loudspeaker, providing, in response to determining that the position of the at least one audio device corresponds to an audio zone associated with additional spatial audio content, the additional spatial audio content for output via the at least one audio device, receiving an instruction to include the additional spatial audio content in the spatial audio content, and supplementing, in response to receiving the instruction to include the additional spatial content in the spatial audio content, the spatial audio content with the additional spatial audio such that the additional spatial audio content is provided for output independent of the audio zone.

Supplementing content

An apparatus including circuitry configured to: obtain two or more audio signals from respective two or more microphones; determine, in one or more frequency band of the two or more audio signals, a first sound source direction parameter based on processing of the two or more audio signals, wherein processing of the two or more audio signals is further configured to provide one or more modified audio signal based on the two or more audio signals; and determine, in the one or more frequency band of the two or more audio signals, at least a second sound source direction parameter at least based on at least in part the one or more modified audio signal.

Spatial audio capture

An apparatus including circuitry configured to: obtain an object track and an ambience track; obtain a control value configured to control the relative levels of the object track and the ambience track; estimate a leakage between the object track and the ambience track; determine at least one leakage level gain control value based on the control value and the leakage; and apply the at least one leakage level gain value to at least one of: the object track; and the ambience track, the application of the at least one leakage level gain value is such that a rendered audio signal is based on the application of the at least one leakage level gain control value to at least one of: the object track; and the ambience track.

Object and ambience relative level control for rendering

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.

Audio processing of multi-channel audio signals

According to an aspect, there is provided an apparatus for a wearable terminal device including circuitry configured for performing the following. The apparatus receives, via a bone conduction sensor, a bone conduction signal and, via at least one microphone over the air, an audio signal. The bone conduction signal and the audio signal are, at least in part, substantially concurrently recorded signals. The apparatus calculates a value of a similarity metric for evaluating an extent of similarity between the bone conduction and audio signals. In response to the value exceeding a pre-defined threshold, the apparatus causes performing one or more actions including executing, in response to detecting a voice command, the voice command and/or modifying, if the audio signal is received via a plurality of microphones over the air, one or more audio focusing parameters of the plurality of microphones for increasing the value of the similarity metric.

Bone conduction confirmation

According to various, but not necessarily all, embodiments there is provided an apparatus comprising means for: determining a direction of arrival of sound from a sound source relative to a user device using at least one captured audio signal; controlling an angle of orientation of visual information displayed on a display, wherein the angle of orientation of the visual information is at least partially dependent upon the determined direction of arrival of sound from the sound source relative to the user device.

Apparatus, a method and a computer program for rotating displayed visual information

An apparatus, method and computer program product for receiving captured spatial audio information comprising at least one audio signal and at least one audio parameter for controlling the at least one audio signal, receiving an instruction to set an audio parameter to a first parameter value, setting, in response to determining that the first parameter value fulfils at least one criterion, the audio parameter to a second parameter value and changing the audio parameter from the second parameter value to the first parameter value.

Setting a parameter value

Audio capture in presence of noise

A method comprising determining that an orientation of a mobile device is a flat orientation, determining a context of the mobile device, determining movement of the mobile device, and based on the orientation, context and movement of the device, determining orientation of visual content rendered on a display of the mobile device.

Orientation of visual content rendered on a display of a mobile device

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.

Audio processing

A method, apparatus and computer readable medium is described in which audio data from multiple directions are received at a first user device (such as a mobile communication device). Instructions are received at the first user device from a remote device. An audio focus arrangement in the form of a direction-dependent amplification of the received audio data is generated. The audio focus arrangement is dependent on an orientation direction of the first user device and is modified in accordance with the instructions from the remote device.

Audio data arrangement

An apparatus configured to: based on (i) captured spatial audio content of a scene comprising audio that is associated with information indicative of at least a direction in the scene from which said audio was captured; and (ii) visual focus information comprising information indicative of at least a first part of the scene on which corresponding captured visual imagery of the scene is focused for presentation to a user; provide for presentation of the captured spatial audio content to accompany the captured visual imagery, the captured spatial audio content presented as spatial audio, the spatial audio content provided for presentation with a spatial audio focus selectively applied to audio captured from a second part of the scene different to the first part, the spatial audio focus comprising an audio-modifying effect to increase the audibility of the audio having a direction corresponding to the second part.

Apparatus and associated methods for presentation of captured spatial audio content

An apparatus, method and computer program, the apparatus comprising: processing circuitry; and memory circuitry including computer program code, the memory circuitry and the computer program code configured to, with the processing circuitry, enable the apparatus to: enable a wireless connection to be established with an electronic device; capture an audio signal and enable the captured audio signal to be sent to the electronic device using the wireless connection to enable the captured audio signal to be used to create an enhanced audio signal; and wherein the apparatus is arranged to be removeably attachable to the electronic device.

Apparatus, electronic device, system, method and computer program for capturing audio signals

A method, apparatus and computer program wherein the method comprises: obtaining a beamforming signal using respective signals from a first microphone and a second microphone; reducing the data size of the beamforming signal by grouping the beamforming signal into frequency bands and obtaining a data value for each of the frequency bands; and forming a bit stream comprising at least the reduced size beamforming signal and the signal from the first microphone wherein the bit stream enables parameters of a beamed audio channel to be controlled.

Apparatus, methods and computer programs for encoding and decoding audio signals

Apparatus comprising one or more processors configured to: receive at least two microphone audio signals () for audio signal processing wherein the audio signal processing comprises at least a spatial audio signal processing () and beamforming processing (); determine spatial information () based on the audio signal processing associated with the at least two microphone audio signals; determine focus information () for the beamforming processing associated with the at least two microphone audio signals; and apply a spatial filter () in order to synthesize at least one spatially processed audio signal () based on the at least one beamformed audio signal from the at least two microphone audio signals (), the spatial information () and the focus information () in such a way that the spatial filter (), the at least one beamformed audio signal (), the spatial information () and the focus information () are configured to be used to spatially synthesize () the at least one spatially processed audio signal ().

Growing community of inventors

Pirkkala, Finland

Toni Mäkinen