Abstract: A method, apparatus and computer program including obtaining a first audio signal from at least a first microphone located at a first distance from an audio source; obtaining a local audio signal from a local microphone wherein the local microphone is located closer to the audio source than the first microphone; identifying the audio source using the first audio signal and the local audio signal; using the identified audio source to determine a delay between the first audio signal and the local audio signal: and using the determined delay to determine the length of the first audio signal and the local audio signal to be made available for processing so as to enable temporal alignment of at least the first audio signal and the local audio signal.

Abstract: A method comprising: using a tracked real point of view of a user in a real space and a first mapping between the real space and a virtual space to determine a point of view of a virtual user within the virtual space; causing rendering to the user at least part of a virtual scene determined by the point of view of the virtual user within the virtual space; and using a selected one of a plurality of different mappings to map tracked user actions in the real space to actions of the virtual user in the virtual space, wherein, when a first mode is selected, the method comprises mapping tracked user actions in the real space, using the first mapping, to spatially-equivalent actions of the virtual user in the virtual space, and wherein, when a second mode is selected, the method comprises mapping tracked user actions in the real space, using a second mapping different to the first mapping, to non-spatially-equivalent actions of the virtual user in the virtual space, wherein the second mapping makes available user i

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, apparatus and computer program, the method comprising: including enabling an output of an audio mixer to be rendered for a user where the user is located within a sound space, wherein at least one input channel is provided to the audio mixer and the at least one input channel receives a plurality of microphone output signals obtained by a plurality of microphones recording the sound space; determining that a first microphone records one or more sound objects within the sound space; and in response to the determining, enabling one or more of the plurality of microphone output signals to be, at least partially, removed from the at least one input channel to the audio mixer.

Abstract: A method apparatus, and computer program, the method comprising: storing mediated reality content and associated information relating to a first real space in which the mediated reality content has been displayed; selecting the mediated reality content for display in a second real space; obtaining information relating to the second real space; and using the information relating to the first real space and the information relating to the second real space to adapt the mediated reality content for display in the second real space.

Abstract: According to an example embodiment, a technique for audio encoding is provided, the technique comprising obtaining a set of first linear prediction, LP, filter coefficients that represents a spectral envelope of an audio signal in a first channel derived from a multi-channel input audio signal; obtaining a set of second LP filter coefficients that represents a spectral envelope of an audio signal in a second channel derived from the multi-channel input audio signal; quantizing the set of first LP filter coefficients using a predefined first quantizer; and quantizing the set of second LP filter coefficients on basis of the quantized set of first LP filter coefficients, the quantization of the set of second LP filter coefficients comprising: deriving, on basis of the quantized set of first LP filter coefficients by using a predefined predictor, a set of predicted LP filter coefficients to estimate the spectral envelope of the audio signal in said second channel, computing prediction error as a difference betwee

Abstract: An apparatus, method and computer program is disclosed, comprising a means for determining that a first one of a plurality of audio capture devices, which collectively contribute respective audio signals to a spatial audio signal, has entered a condition associated with not contributing to the spatial audio signal. A further means may be provided, configured responsive to said determination for causing removal of the one or more audio signals contributed by the first audio capture device from the spatial audio signal.

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 comprising means configured to: receive first information indicative of a reference location; provide for presentation of audio content as spatial audio to be perceived, from the reference location, as originating from a direction of at least one virtual audio source, the at least one virtual audio source associated with a real-world location; receive second information indicative of at least the presence of a real-world object between the real-world location of the at least one virtual audio source and the reference location; modify, based on the second information, the audio content to indicate aurally the location of the real-world object; and provide for presentation of the modified audio content as spatial audio.

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.

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: A method including determining occurrence of a virtual information region event, the virtual information region event indicating a change of information that is allocated to a virtual information region that is at least partially beyond a field of view of a head mounted display, the virtual information region having a virtual information region location that is in a direction from the field of view, causing rendering of a non-visual notification that is indicative of the direction from the field of view in response to the virtual information region event, receiving information indicative of a visual notification invocation input, determining a visual notification that is visually descriptive of at least one aspect of the virtual information region event in response to the visual notification invocation input, and causing display of the visual notification on the head mounted display is disclosed.

Abstract: A method including causing display of a first visual information that is a view from a first geographical location, receiving, by the apparatus, an indication of availability of a second visual information that is a view from a second geographical location, the second geographical location being in a first direction from the first geographical location, determining a position in the first visual information that corresponds with the first direction, and causing display of at least a portion of the second visual information such that the portion of the second visual information overlays the first visual information at the position in the first visual information is disclosed.

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: In respect of first and second virtual-or-augmented reality content each comprising at least respective visual imagery for display in a three-dimensional virtual space; based on real-world space information comprising at least a first and second determined sub-space comprising a different part of a real-world space in which a first user is located, and second-user information indicative of the presence of a second user; provide for display of a three-dimensional hybrid virtual space that is user-explorable, the hybrid virtual space based on a combination of virtual spaces generated from at least the first and the second virtual-or-augmented reality content and respectively presented in positions to correspond to the first and second sub-spaces; and provide for display to the second user, who is not presented with said hybrid virtual space, of an indication of the boundary of one or both of the first and second sub-spaces.

Abstract: An apparatus configured, based on: (i) augmented reality content comprising spatial audio content having a predetermined running time and defining a spatial audio arrangement comprising at least one spatial audio object location that defines, at least in part, the configuration of the application of a spatial audio effect such that, when presented to a consumer, said spatial audio content is perceived as originating from said spatial audio location, (ii) a predetermined, real-world geographic location associated with at least one of said spatial audio location and arrangement; and (iii) a real-world speed of said consumer; to provide for starting of the presentation of said augmented reality content based on a determination that the consumer has reached a start-location comprising a location defined such that following said predetermined running time, the consumer is predicted to be at a determined end-location based on said predetermined, real-world geographic location.

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, method and computer program wherein the apparatus comprises: processing circuitry; and memory circuitry including computer program code; the memory circuitry and the computer program code configured to, with the processing circuitry, cause the apparatus at least to perform; detecting user selection of a part of an image wherein the image is displayed on a display; obtaining context information; and determining information to be provided to the user based on the user selection, the displayed image and the obtained context information.

Abstract: A method, apparatus and computer program including: obtaining a spatial audio signal from a plurality of microphones; dividing the obtained spatial audio signal into at least a first component and a second component; applying a first audio signal optimizing system to the first component and applying a second audio signal optimizing system to the second component; and enabling a signal including the optimized components to be provided to a speaker for rendering.