Abstract: The specification describes an apparatus comprising: means for determining a change in head direction of a user within a first predefined time period; means for determining a first predicted head direction based on said change in head direction; means for determining a change in torso direction of a user within a second predefined time period; and means for modifying the first predicted head direction to a second predicted head direction based, at least in part, on the change in torso direction.

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding configured to: determine an error of fit measure (408) between a plurality of spatial direction component values (402) from a plurality of audio frames and a curve fitted (405) to a data set comprising the plurality of spatial direction component values; compare the error of fit measure to a threshold value; and depending on the comparison, either use a method of non-prediction for generating at least one spatial direction component value for each remaining audio frame of the interval of audio frames, or use a method of prediction for generating the at least one spatial direction component (406) value for each remaining audio frame of the interval of audio frames.

Abstract: An apparatus for generating a spatialized audio output based on a user position, the apparatus including circuitry configured to: obtain a user position value; obtain at least one input audio signal and associated metadata enabling a rendering of the at least one input audio signal; generate an intermediate format immersive audio signal based on the at least one input audio signal, the metadata, and the user position value; process the intermediate format immersive audio signal to obtain the at least one spatial parameter and the at least one audio signal; and encode the at least one spatial parameter and the at least one audio signal, wherein the at least one spatial parameter and the at least one audio signal are configured to at least in part generate the spatialized audio output.

Abstract: There is provided an apparatus comprising means for receiving spatial audio capture requirement(s) of one or more user devices; determining position and/or orientation information of the one or more user devices; generating one or more privacy masks at least partly based on the spatial audio capture requirement(s) and position and/or orientation information of the one or more user devices; and transmitting the generated privacy masks to the one or more user devices.

Abstract: An apparatus comprising means for: identifying a sector of an audio scene, wherein the sector comprises one or more persons; and determining a modification to a spatial audio content, for rendering the audio scene, to reduce an angular offset between an orientation of the audio scene for rendering and an orientation of the identified sector.

Abstract: An apparatus, method and computer program for signaling change events at an audio output device are disclosed. The apparatus may include circuitry for detecting, during an audio communications session between a first user device and a second user device, a change event at a first earphones device associated with the first user device, the first earphones device included of first and second earphones. The apparatus may also include circuitry for signaling the detected change event to the second user device and/or a second audio output device associated with the second user device.

Abstract: An apparatus, method and computer program is described including: detecting a tracking tag in proximity of a user device (the tracking tag not being pre-associated with the user device); responsive to the detection (and while the tracking tag remains in proximity of the user device): identifying one or more contextual parameters associated with the tracking tag; and responsive to determining that the identified one or more contextual parameters meet a predetermined criterion or criteria, issuing or causing issuance of an alert to the user device and/or to the tracking tag.

Abstract: There is herein provided a method comprising capturing spatial audio signals by a plurality of microphones using a first capture setting and generating a set of audio encoder input format data comprising a representation of the spatial audio signals and associated metadata, the metadata including, in part, a set of descriptive metadata indicative of one or more capture parameters associated with the first capture setting. The method further comprises providing the set of audio encoder input format data to an audio encoder for encoding the representation of the spatial audio signals and the associated metadata to a bitstream for a current streaming session and transmitting the bitstream to one or more remote devices for rendering the representation of the spatial audio signals based, at least in part, on the set of descriptive metadata.

Abstract: An apparatus including circuitry configured to: enable a conversational service between a first user of the apparatus and a second user of a remote apparatus wherein the conversational service is a duplex service including simultaneous voice communication from the first user to the second user and voice communication from the second user to the first user; and enable synchronization of a switch to using an active noise cancellation mode at the apparatus for the conversational service and at the remote apparatus for the conversational service, wherein the switch to using the noise cancellation mode is synchronized between the first and second users.

Abstract: A method, apparatus and computer program are provided for assessing a continuity of audio service by comparing a previous audio service with a first spatial audio service that uses user head-tracking and a second audio service to identify which of the first or second spatial audio service provides a continuity of audio service with respect to the previous audio service. If the first or second spatial audio service is assessed to provide continuity of audio service, the respective spatial audio service is selectively enabled. The first spatial audio service controls or sets at least one directional property of at least one sound source and the first spatial audio service is assessed to provide continuity of audio service if it can use head-tracking to control or set the at least one directional property of at least one sound source.

Abstract: According to various, but not necessarily all, embodiments there is provided an apparatus comprising means for causing a user-perceivable indication that an audio playback device is responsible for playback of audio content received from a user device by temporarily rendering the audio content with at least one spatial characteristic which cannot be reproduced by at least one other audio playback device connected to the user device.

Abstract: An apparatus including circuitry configured to: obtain at least one audio signal; obtain at least one anchor parameter associated with the at least one audio signal; obtain information configured to assist in the adaptation of the at least one anchor parameter with at least one further anchor parameter within an audio scene within which the at least one audio signal is to be rendered.

Abstract: To optimize audio quality of playback with other audio in calls established using an audio-visual conferencing service, at least two audio profiles for one or more audio playback devices connectable to the apparatus are maintained for the audio-visual conferencing service. The at least two audio profiles comprise a first audio profile for at least transmitting audio of a first quality for playback and a second audio profile for at least transmitting audio of a second quality for playback. It is allowed to change an active audio profile during a call established using the audio-visual conferencing service by switching the active audio profile between at least the first audio profile and the second audio profile. The received audio in the call is delivered to the audio playback device according to the active audio profile.

Abstract: An apparatus, method and computer program are described comprising: receiving first interaction data at a first user in a multi-user virtual environment, wherein the multi-user virtual environment comprises a plurality of users including the first user; receiving metadata relating to the first interaction data at the first user; and rendering a first object to the first user in accordance with the first interaction data and the metadata, wherein the metadata includes instructions for selectively modifying one or more of the rendering of the first object and an interaction of the first user with the virtual environment.

Abstract: An apparatus including circuitry configured for: receiving first audio content associated with a first apparatus; receiving second audio content associated with a second apparatus; simultaneously rendering the first audio content and the second audio content to a user via a head-mounted audio output system configured for spatial audio rendering, wherein the first audio content is rendered as spatial audio content and the second audio content is downmixed to downmixed content and the downmixed content is rendered.

Abstract: An apparatus comprising means including circuitry configured for: applying equalization to a sub-set of a plurality of spatial sound sources, included in a sound scene, to modify the sound scene, wherein spatial sound sources are associated with respective locations in the sound scene, wherein equalization includes frequency-dependent level adaptation, and wherein the sub-set includes multiple spatial sound sources but does not include all of the plurality of spatial sound sources.

Abstract: Examples of the disclosure relate to enabling external control of noise control processing. In examples of the disclosure a location of a listener is determined. The listener is listening to audio content and the audio content is processed using noise control processing. An acoustic response at the location of the listener is determined and a control signal is provided. The control signal indicates an adjustment for one or more parameters of the noise control processing, and the adjustment is based, at least in part, on the acoustic response at the location of the listener.

Abstract: An apparatus, method and computer program is described comprising: detecting one or more parts of a hand of a user within a first defined distance of a touch sensitive tactile display; determining based, at least in part, on the detected parts of the hand of the user, an expected type of user interaction with the display, including determining an expected number of parts (e.g. digits or fingers) of the hand that will make contact with the display as part of the expected type of user interaction; and providing tactile feedback to the user when the user makes contact with the display dependent, at least in part, on the expected type of user interaction.

Abstract: An apparatus (317) comprising means configured to: receive a spatial audio signal, the spatial audio signal comprising at least one audio signal and spatial metadata (122) associated with the at least one audio signal; generate a mixing value (320) based on the spatial metadata (122) and a predefined parameter (322) which imparts effects of a rendering of a multichannel audio signal having a multichannel configuration to a further multichannel audio signal having a further multichannel configuration on generated output signals; and generating the output audio signals having the further multichannel configuration based on the mixing value (320) and the spatial audio signal.

Abstract: A method comprising determining that calibration data is to be obtained, by a user device, wherein the calibration data is for generating spatial audio content, determining that a first user input is received by the user device, wherein the first user input causes a zooming operation to be performed for video content that is being captured by the user device, adding a deviation to the zooming operation, determining that a user second input is received by the user device, as a response to adding the deviation, wherein the second user input mitigates, at least partly, an effect caused by the deviation, and in response to the second user input, obtaining the calibration data by capturing audio content using a plurality of microphones.