Abstract: An apparatus configured, based on virtual reality content for viewing in virtual reality, the virtual reality content comprising visual content for display in a three dimensional virtual reality space and spatial audio content comprising audio for presentation such that it is audibly perceived to originate from one or more particular directions in the virtual reality space corresponding to one or more points or regions in the visual content, the virtual reality content defining at least a ground level of said virtual reality space; and based on display of a birds-eye view of the virtual reality space to a user comprising a view of the visual content substantially downward towards said ground level from a point of view location in said virtual reality space elevated from said ground level; to provide for presentation of said spatial audio content with a spatial audio modification, the spatial audio modification configured to modify the one or more particular directions from which the user perceives the spatial

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, the smaller spheres arranged in circles of spheres wherein a first circle of spheres comprises one of the smaller spheres located with a centre at an elevation of 90 degrees relative to a reference direction of the sphere; and convert the elevation and azimuth component of the direction parameter to an index value based on the defined spherical grid.

Abstract: An apparatus is disclosed, comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured with the processor to cause the apparatus to perform the following steps. In a first step, the spatial position of a user in a real world space is detected. In another step, one or more audio signals are provided to the user representing audio from spatially-distributed audio sources in a virtual space. In another step, responsive to detecting movement of the user's spatial position from within a first zone to within a second zone within the real world space, the audio signals for selected ones of the audio sources are modified based on their spatial position in the virtual space.

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.

Abstract: An apparatus comprising: a directional analyser configured to determine a directional component of at least two audio signals; an estimator configured to determine at least one virtual position or direction relative to the actual position of the apparatus; and a signal generator configured to generate at least one further audio signal dependent on the at least one virtual position or direction relative to the actual position of the apparatus and the directional component of at least two audio signals.

Abstract: A method, apparatus and computer program wherein the method includes: obtaining at least three ambient audio signals wherein at least one of the ambient audio signals is to be processed with a first directional transfer function pair and at least one other of the ambient audio signals is to be processed with a second directional transfer function pair wherein the directional transfer function pairs to be used are based on target directions of the ambient audio signals; determining a change of the target direction for the at least one ambient audio signal to an updated target direction; selecting an updated directional transfer function pair associated with the updated target direction wherein the updated directional transfer function pair is selected from a plurality of directional transfer functions and the updated directional transfer function pair is more closely associated with the updated target direction than the first directional transfer function pair; and processing the at least one ambient audio sig

Abstract: An apparatus including a predetermined shape, the apparatus including at least three microphones, wherein at least one pair from the at least three microphones comprises including two microphones which are separated by a shorter distance of the predetermined shape than at least one other microphone pair of the predetermined shape; and a processor configured to: receive at least three microphone audio signals from the at least three microphones; analyse at least the microphone audio signals from the two microphones to determine a directional ambiguity decision; and analyse the microphone audio signals from at least one of the other microphone pairs to determine at least one sound characteristic other than the direction ambiguity.

Abstract: Apparatus including a processor configured to: provide a position for at least one sound source relative to a reference position; analyse at least one input audio signal associated with the at least one sound source to determine at least one gain value based on the at least one input audio signal and the position for the at least one sound source relative to the reference position; and synthesize at least two output channels based on the at least one input audio signal, a directional transfer function pair, the at least one gain value and the position for the at least one sound source relative to the reference position.

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, the smaller spheres arranged in circles of spheres wherein a first circle of spheres comprises one of the smaller spheres located with a centre at an elevation of 90 degrees relative to a reference direction of the sphere; and convert the elevation and azimuth component of the direction parameter to an index value based on the defined spherical grid.

Abstract: Apparatus comprising one or more processors configured to: receive at least two microphone audio signals (101) for audio signal processing wherein the audio signal processing comprises at least a spatial audio signal processing (303) and beamforming processing (305); determine spatial information (304) based on the audio signal processing associated with the at least two microphone audio signals; determine focus information (308) for the beamforming processing associated with the at least two microphone audio signals; and apply a spatial filter (307) in order to synthesize at least one spatially processed audio signal (312) based on the at least one beamformed audio signal from the at least two microphone audio signals (101), the spatial information (304) and the focus information (308) in such a way that the spatial filter (307), the at least one beamformed audio signal (306), the spatial information (304) and the focus information (308) are configured to be used to spatially synthesize (307) the at least on

Abstract: A method comprising: causing classification of sound objects, within a rendered virtual space, as a first class of sound object or a second class of sound object in dependence upon historic action of a user within the virtual space; rendering one or more sound objects of the first class according to at least first rules; and rendering one or more sound objects of the second class according to at least second rules, different to the first rules, and a current position of the user within the virtual space.

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

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.

Abstract: An apparatus configured, based on virtual reality content for viewing in virtual reality, the virtual reality content comprising visual content for display in a three dimensional virtual reality space and spatial audio content comprising audio for presentation such that it is audibly perceived to originate from one or more particular directions in the virtual reality space corresponding to one or more points or regions in the visual content, the virtual reality content defining at least a ground level of said virtual reality space; and based on display of a birds-eye view of the virtual reality space to a user comprising a view of the visual content substantially downward towards said ground level from a point of view location in said virtual reality space elevated from said ground level; to provide for presentation of said spatial audio content with a spatial audio modification, the spatial audio modification configured to modify the one or more particular directions from which the user perceives the spatial

Abstract: A method comprising determining that an interactable object is within a field of view of a head mounted display while the head mounted display is operating in a first power mode, and transitioning the head mounted display from operation in the first power mode to operation in a second power mode based, at least in part, on the determination that the interactable object is within the field of view, such that the head mounted display consumes more power during operation in the second power mode than during operation in the first power mode is disclosed.

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.

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.

Abstract: An apparatus comprising: an image element determiner configured to determine at least one visual image element; a spatial audio analyser configured to determine, using at least two audio signals, at least one audio source with a location associated with the at least one visual image element; a user interface controller configured to provide at least one control input associated with the at least one visual element, and an audio processor configured to process the at least one audio source to change at least one audio characteristic of the at least one audio source based on the at least one control input.

Abstract: A method, apparatus and computer program for displaying at least a part (101a) of first visual information (101) that is a view (102a?), from a first geographical location (103); generating a visualisation (400) configured to visually link the display of at least a part (101a) of the first visual information (101) with a display of at least a part (201a) of second visual information (201) that is a view (202a?) from a second geographical location (203), wherein generating the visualisation comprises: determining a direction (112) of the second geographical location (203) with respect to the first geographical location (103); defining a virtual object (401) having: a virtual primary axis (402) aligned with the direction (112), a virtual distal end surface (403), at least a part of which defines a first virtual display surface (403a), and at least one virtual inner surface (404), at least a part of which defines at least a second virtual display surface (404a); displaying on the first virtual display surface (4

Abstract: An apparatus including a predetermined shape, the apparatus including at least three microphones, wherein at least one pair from the at least three microphones comprises including two microphones which are separated by a shorter distance of the predetermined shape than at least one other microphone pair of the predetermined shape; and a processor configured to: receive at least three microphone audio signals from the at least three microphones; analyse at least the microphone audio signals from the two microphones to determine a directional ambiguity decision; and analyse the microphone audio signals from at least one of the other microphone pairs to determine at least one sound characteristic other than the direction ambiguity.