Abstract: An apparatus comprising means for: obtaining values for parameters representing an audio signal, the values comprising at least one directional value and at least one energy ratio value for each sub-band of at least two sub-bands of a frame of the audio signal; determining a penalty value for each sub-band; and on a sub-band by sub-band basis: selecting a sub-band based on the penalty value; and encoding, for the selected sub-band, the at least one directional value for each sub-band; distributing any bits allocated for encoding the selected sub-band at least one directional value which are not used in the encoding of the at least one directional value to succeeding selections of sub-bands.

Abstract: According to an example embodiment, a technique for spatial audio processing including: determining at least one spatial parameter based, at least partially, on at least one input audio signal captured with at least one first device, configured to represent at least a portion of an audio scene; identifying a portion of interest of the audio scene based, at least partially, on the at least one spatial parameter; generating at least one first audio signal based, at least partially, on the at least one input audio signal; generating at least one second audio signal based, at least partially, on at least one audio signal captured with at least one second device; and combining, at least partially, the at least one first audio signal and the at least one second audio signal into at least one combined audio signal.

Abstract: An apparatus comprising means configured to: obtain at least one audio signal; obtain, for the at least one audio signal, spatial audio signal parameter values, the spatial audio signal parameters values distributed within a time-frequency domain (106); determine a merge metric to control a merging of the spatial audio signal parameter values over the time-frequency domain (201); and merge (203), based on the merge metric (202), the spatial audio signal parameter values to a smaller number of spatial audio signal parameter values overtime and/or frequency within the time-frequency domain.

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: An apparatus configured to: determine, for two or more speaker channel audio signals, at least one spatial audio parameter for providing spatial audio reproduction; determine, between the two or more speaker channel audio signals, at least one coherence parameter, wherein the at least one coherence parameter is configured to provide at least one inter-channel coherence information between the two or more speaker channel audio signals for respective ones of at least two frequency bands of the two or more speaker channel audio signals; determine at least one value based, at least partially, on the at least one coherence information, wherein the at least one value is configured to indicate at least one information associated with the at least one inter-channel coherence information; and transmit the at least one spatial audio parameter and the at least one determined value.

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding configured to convert two or more energy ratios associated with a time frequency tile of one or more audio signals to a further energy ratio parameter which is related to the two or more energy ratios; quantize the further energy ratio parameter using a first quantizer; determine a distribution factor of energy ratios dependent on a ratio of a first of the two or more energy ratios to the sum of the two or more energy ratios; select a further quantizer from a plurality of further quantizers using the quantized further energy ratio parameter; and quantize the distribution factor of energy ratios using the selected further quantizer.

Abstract: An apparatus comprising means configured to: obtain at least one parameter value (106) associated with at least two time-frequency parts of at least one audio signal (104); obtain at least one similarity value based on the at least one parameter value (106) associated with the at least two time-frequency parts of at least one audio signal (104); determine at least one group of time-frequency parts from the at least two time-frequency parts of at least one audio signal (104), the at least one group of time-frequency parts based on the at least one similarity value; and generate for the at least one group of time-frequency parts at least one associated group parameter (204), the at least one group parameter (204) based on the at least one parameter value (106) associated with the time-frequency parts.

Abstract: An apparatus, method and computer program is described comprising: capturing a plurality of visual images from an image capturing start time to an image capturing end time, for use in generating a panorama image; and capturing audio data relating to said visual images from an audio capturing start time to an audio capturing end time.

Abstract: An apparatus for generating at least one distance estimate to at least one sound source within a sound scene comprising the least one sound source, the apparatus configured to: receive at least two audio signals from a microphone array located within the sound scene; receive at least one further audio signal associated with the at least one sound source; determine at least one portion of the at least two audio signals from a microphone array corresponding to the at least one further audio signal associated with the at least one sound source; determine a distance estimate to the at least one sound source based on the at least one portion of the at least two audio signals from a microphone array corresponding to the at least one further audio signal associated with the at least one sound source.

Abstract: An apparatus (131) comprising means for: obtaining media content (122), wherein the media content (122) comprises at least one object data; obtaining priority content information (126), the priority content information (126) comprising a priority identification identifying and classifying the at least one object; rendering the at least one object based on the priority content information (126).

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: There is inter alia disclosed an apparatus for spatial audio encoding comprising: means for analysing a plurality of spatial audio parameter sets associated with a frame of one or more audio signals, wherein the plurality of spatial audio parameter sets are associated with a plurality of subframes, a plurality of frequency sub bands and a plurality of sound source directions for the frame of the one or more audio signals; and means for determining from the analysis of the plurality of spatial audio parameter sets at least one spatial audio parameter set for subframes of the frame of the one or more audio signals.

Abstract: An apparatus for generating at least one distance estimate to at least one sound source within a sound scene comprising the least one sound source, the apparatus configured to: receive at least two audio signals from a microphone array located within the sound scene; receive at least one further audio signal associated with the at least one sound source; determine at least one portion of the at least two audio signals from a microphone array corresponding to the at least one further audio signal associated with the at least one sound source; determine a distance estimate to the at least one sound source based on the at least one portion of the at least two audio signals from a microphone array corresponding to the at least one further audio signal associated with the at least one sound source.

Abstract: An apparatus comprising means configured to: obtain at least one impulse response; obtain at least one reflection filter based on the obtained at least one impulse response, wherein the at least one reflection filter is configured to determine at least one early reflection from an acoustic surface which is not overlapped in time by any other reflection, wherein a duration of the at least one early reflection is shorter than a duration of the obtained at least one impulse response. In addition, an apparatus comprising means configured to: obtain at least one impulse response, wherein the at least one impulse response is configured with a perceivable timbre during rendering; create a timbral modification filter; obtain at least one audio signal; and render at least one output audio signal based n the at least one audio signal, wherein the at least one output signal is based on an application of the timbral modification filter.

Abstract: An apparatus including circuitry configured for: obtaining media content, wherein the media content includes at least one object data; obtaining priority content information, the priority content information including a priority identification identifying and classifying the at least one object; rendering the at least one object based on the priority content information.

Abstract: A method including receiving an audio scene including at least one source captured using at least one near field microphone and at least one far field microphone. The method includes determining at least one room-impulse-response associated with the audio scene based on the at least one near field microphone and the at least one far field microphone, accessing a predetermined scene geometry corresponding to the audio scene, and identifying best match to the predetermined scene geometry in a scene geometry database. The method also includes performing RIR comparison based on the at least one RIR and at least one geometric RIR associated with the best matching geometry and rendering a volumetric audio scene based on a result of the RIR comparison.

Abstract: A method comprising: obtaining a first audio direction parameter value for each sub-band of a sub-frame of a frame of an audio signal; obtaining a second audio direction parameter value for the sub-frame of the frame of the audio signal for one or more audio objects associated with said audio signal; and determining a bit-efficient encoding for each first audio direction parameter value of the sub-frame based on a similarity between the first audio direction parameter value for each sub-band and the second audio direction parameter values for the one or more audio objects.

Abstract: A method including: obtaining at least two audio signals for reproduction, each of the at least two audio signals associated with a respective one of at least two reproduction locations within an audio reproduction space; obtaining within the audio reproduction space at least two zones; obtaining at least one location for a user's position within the audio reproduction space, the at least one location being relative to at least one of the at least two zones and the at least two reproduction locations; and processing the at least two audio signals based on the obtained at least one location for the user's position within the audio reproduction space to generate at least one output audio signal, the at least one output audio signal is reproduced from at least one of the at least two reproduction locations.

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).

Abstract: An apparatus configured to: determine, for two or more speaker channel audio signals, at least one spatial audio parameter for providing spatial audio reproduction; determine, between the two or more speaker channel audio signals, at least one coherence parameter, wherein the at least one coherence parameter is configured to provide at least one inter-channel coherence information between the two or more speaker channel audio signals for respective ones of at least two frequency bands of the two or more speaker channel audio signals; determine at least one value based, at least partially, on the at least one coherence information, wherein the at least one value is configured to indicate at least one information associated with the at least one inter-channel coherence information; and transmit the at least one spatial audio parameter and the at least one determined value.