Abstract: An apparatus configured to: determine at least one area within an audio scene represented with a spatial audio signal; obtain at least one focus/defocus information; process the spatial audio signal, based, at least partially, on the at least one focus/defocus information, to generate a processed spatial audio signal that represents a modified audio scene in which, at least in part, the at least one determined area relative to at least in part other portions of the spatial audio signal is relatively deemphasized; and output the processed spatial audio signal, wherein the modified audio scene comprises, at least the deemphasized at least one determined area relative to at least in part the other portions of the spatial audio signal according to the at least one focus/defocus information.

Abstract: An apparatus for generating a spatialized audio output based on a listener position, the apparatus including circuitry configured to: obtain two or more audio signal sets; obtain a listener position within an audio environment, wherein the audio environment includes one or more area having one or more inside and outside regions in relation to the respective audio signal set positions; obtain metadata based on a processing of the at least two audio signals; determine, for the listener position within an audio environment outside the inside region, a second listener position; determine modified metadata for the second listener position based on the metadata; determine at least two modified audio signals for the second listener position based on the at least two audio signals; determine spatial metadata for the listener position; and output the at least two modified audio signals and the spatial metadata.

Abstract: An apparatus for spatial audio signal decoding and rendering associated with a plurality of speaker nodes placed within a three-dimensional space having virtual surface arrangement comprising a plurality of virtual surfaces. The apparatus determines an azimuth angle for each virtual surface of the virtual surface set and the arrange the virtual surfaces of the virtual surface set into an order based on azimuth angles to give an ordered virtual surface set. The apparatus then associates a virtual surface of the ordered virtual surface set to a search sector and starting from the associated virtual surface for the search sector, search the ordered virtual surface set to determine a virtual surface that encloses a target panning direction.

Abstract: Examples of the disclosure relate to reducing phase mismatches in low frequency sound reproduction. At least one low frequency component and at least one high frequency component of at least one audio signal are obtained. The at least one low frequency component is processed to generate at least one harmonic component associated with the at least one low frequency component. The harmonic components and/or the high frequency component can be adjusted relative to each other. An output signal can then be generated based on the adjusted harmonic component and high frequency component. The output signal is generated to have improved low frequency perception during playback.

Abstract: An apparatus comprising means configured to: obtain at least one audio signal; determine at least one direction parameter of at least one propagating sound associated with the at least one audio signal; determine at least one direction of at least one sound source associated with the at least one audio signal; modify the at least one direction parameter in accordance with the determined at least one direction; and output the modified at least one direction parameter.

Abstract: An apparatus comprising means configured to: obtain two or more audio signal sets, wherein each audio signal set is associated with a position; obtain at least one parameter value for at least two of the audio signal sets; obtain the positions associated with at least the at least two of the audio signal sets; obtain a listener position; generate at least one audio signal based on at least one audio signal from at least one of the two or more audio signal sets based on the positions associated with the at least the at least two of the audio signal sets and the listener position; generate at least one modified parameter value based on the obtained at least one parameter value for the at least two of the audio signal sets, the positions associated with the at least two of the audio signal sets and the listener position; and process the at least one audio signal based on the at least one modified parameter value to generate a spatial audio output.

Abstract: An apparatus configured to: obtain parameter values for configuring a reverberator; receive a spatial audio signal comprising at least one audio signal and spatial metadata; obtain a room effect control indication; and in response to a determination that a room effect is to be applied to the spatial audio signal: generate a first part binaural audio signal based on the at least one audio signal and the spatial metadata; generate a second part binaural audio signal based on the at least one audio signal, wherein at least the second part binaural audio signal is generated with at least in part the room effect so as to have a different response than a response of the first part binaural audio signal, wherein the second part binaural audio signal is generated with the configured reverberator; and combine the first part binaural audio signal and the second part binaural audio signal.

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding comprising: means for determining a first spatial audio parameter of a frequency sub band of one or more audio signals and a second spatial audio parameter of the frequency sub band of the one or more audio signals; and means for combining the first spatial audio parameter and the second spatial audio parameter to provide a combined spatial audio parameter for the frequency sub band.

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding comprising: means for determining at least two of a type of spatial audio parameter for one or more audio signals, wherein a first of the type of spatial audio parameter is associated with a first group of samples in a domain of the one or more audio signals and a second of the type of spatial audio parameter is associated with a second group of samples in the domain of the one or more audio signals; and means for merging the first of the type of spatial audio parameter and the second of the type of spatial audio parameter into a merged spatial audio parameter.

Abstract: Examples of the disclosure enable spatial audio rendering in a different format to the format that is used for the spatial audio coding. In examples of the disclosure spatial audio and first spatial metadata in a first format are obtained. The first spatial metadata enables rendering of spatial audio in a first audio format. In order to enable rendering of the spatial audio in a different format the spatial metadata is converted to second spatial metadata corresponding to a second audio format. The spatial audio can then be rendered for the second format using the second spatial metadata.

Abstract: According to an example embodiment, a method for processing an input audio signal (101) in accordance with spatial metadata (103) so as to play back a spatial audio signal in a device (50) in dependence of at least one sound reproduction characteristic (105) of the device is provided, the method comprising obtaining said input audio signal (101) and said spatial metadata (103); obtaining said at least one sound reproduction characteristic (105) of the device; rendering a first portion of the spatial audio signal using a first type playback procedure applied on the input audio signal in dependence of the spatial metadata (103), wherein the first portion comprises sound directions within a front region of the spatial audio signal; and rendering a second portion of the spatial audio signal using a second type playback procedure applied on the input audio signal in dependence of the spatial metadata (103) and in dependence of said at least one sound reproduction characteristic (105), wherein the second portion co

Abstract: Examples of the disclosure relate to apparatus, methods and computer programs for providing spatial audio. In examples of the disclosure speech or other sources of a first category can be identified. Spatial information relating to the speech or sources of a first category can be determined using data obtained from audio signals. The identified speech or other sources of a first category can then be spatially reproduced using the spatial information. This can enable the speech or other sources of a first category to be enhanced compared to other parts of the sound signals. This can provide for improved spatial audio content.

Abstract: Examples of the disclosure relate to apparatus, methods and computer programs for repositioning spatial audio streams. The apparatus is configured to receive a plurality of spatial audio streams wherein the spatial audio streams include one or more audio signals and associated spatial metadata. The apparatus is also configured to receive obtaining repositioning information relating to at least one of the plurality of spatial audio streams and repositioning the at least one of the plurality of spatial audio streams based on the repositioning information.

Abstract: An apparatus including circuitry configured to: receive a spatial audio signal, the spatial audio signal including at least one audio signal and spatial metadata associated with the at least one audio signal; obtain a room effect control indication; and determine, based on the room effect control indication, whether a room effect is to be applied to the at least one audio signal, wherein the circuitry is configured, when the room effect is to be applied to the spatial audio signal, to: generate a first part binaural audio signal based on the at least one audio signal and spatial metadata; generate a second part binaural audio signal based on the at least one audio signal, at least the second part binaural audio signal is generated with at least in part the room effect so as to have a different response than a response of the first part binaural audio signal; and combine the first part binaural audio signal and the second part binaural audio signal to generate a combined binaural audio signal.

Abstract: An apparatus circuitry including configured to: obtain two or more audio signal sets, wherein each audio signal set is associated with a position; obtain at least one parameter value for at least two of the audio signal sets; obtain the positions associated with at least the at least two of the audio signal sets; obtain a listener position; generate at least one audio signal based on at least one audio signal from at least one of the two or more audio signal sets based on the positions associated with the at least the at least two of the audio signal sets and the listener position; generate at least one modified parameter value based on the obtained at least one parameter value for the at least two of the audio signal sets, the positions associated with the at least two of the audio signal sets and the listener position; and process the at least one audio signal based on the at least one modified parameter value to generate a spatial audio output.

Abstract: An apparatus including circuitry configured to obtain a defocus direction; process a spatial audio signal that represents an audio scene to generate a processed spatial audio signal that represents a modified audio scene based on the defocus direction, so as to control relative deemphasis in, at least in part, a portion of the spatial audio signal in the defocus direction relative to at least in part other portions of the spatial audio signal; and output the processed spatial audio signal, wherein the modified audio scene based on the defocus direction enables the deemphasis in, at least in part, the portion of the spatial audio signal in the defocus direction relative to at least in part other portions of the spatial audio signal.

Abstract: An apparatus configured to: determine, for two or more audio signals, at least one spatial audio parameter for providing spatial audio reproduction, wherein the two or more audio signals are configured to reproduce a sound scene, wherein the at least one spatial audio parameter comprises, at least, at least one coherence parameter; determine at least one transport signal based, at least partially, on the two or more audio signals, wherein a fewer number of channels are associated with the at least one transport signal than with the two or more audio signals, wherein the sound scene is configured to be reproduced based, at least partially, on the at least one transport signal and at least the at least one coherence parameter; and encode at least the at least one coherence parameter and the at least one transport signal.

Abstract: According to an example embodiment, a technique for processing an input audio signal (101) comprising a multi-channel audio signal is provided, the technique comprising: deriving (104), based on the input audio signal (101), a first signal component (105-1) comprising a multi-channel audio signal that represents a focus portion of a spatial audio image conveyed by the input audio signal and a second signal component (105-2) comprising a multi-channel audio signal that represents a non-focus portion of the spatial audio image; processing (112) the second signal component (105-2) into a modified second signal component (113) wherein the width of the spatial audio image is extended from that of the second signal component (105-2); and combining (114) the first signal component (105-1) and the modified second signal component (112) into an output audio signal (115) comprising a multi-channel audio signal that represents partially extended spatial audio image.

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding which can receive or determine for one or more audio signals (102), spatial audio parameters (106) on a sub band basis for providing spatial audio reproduction, the spatial audio parameters can comprise a coherence value (112) for each sub band of a plurality of subbands (202) of a frame. The apparatus then determines a significance measure for the coherence values (401) of the plurality of sub bands of the frame and uses the significance measure to determine whether to encode (403) the coherence values of the plurality of sub bands of the frame.

Abstract: An apparatus (303) comprising means configured to: obtain at least one audio signal (112); determine at least one direction parameter (506) of at least one propagating sound associated with the at least one audio signal (112); determine at least one direction (302) of at least one sound source associated with the at least one audio signal (112); modify the at least one direction parameter (506) in accordance with the determined at least one direction (302); and output the modified at least one direction parameter (508).