Patent application number | Description | Published |
20090043590 | Noise Detection for Audio Encoding by Mean and Variance Energy Ratio - The techniques described are utilized for detection of noise and noise-like segments in audio coding. The techniques can include performing a prediction gain calculation, an energy compaction calculation, and a mean and variation energy calculation. Signal adaptive noise decisions can be made both in time and frequency dimensions. The techniques can be embodied as part of an AAC (advanced audio coding) encoder to detect noise and noise-like spectral bands. This detected information is transmitted in a bitstream using a signaling method defined for a perceptual noise substitution (PNS) encoding tool of the AAC encoder | 02-12-2009 |
20110202603 | METHOD AND APPARATUS FOR PROVIDING OBJECT BASED MEDIA MIXING - An apparatus for providing object based media mixing may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus to perform at least receiving an indication of shared content to be provided to a plurality of group members, receiving a selection of a region of interest within the shared content, receiving social interaction media associated with at least one of the group members, and mixing the shared content with the social interaction media to provide mixed content. The mixed content may be dynamically modified to avoid overlaying the social interaction media over the region of interest. A corresponding method and computer program product are also provided. | 08-18-2011 |
20110282674 | MULTICHANNEL AUDIO CODING - An encoder for encoding an audio signal comprising at least two channels configured to determine at least one audio signal image position value for the at least two channels of the audio signal; and calculate at least one audio signal image gain value associated with the at least one audio signal image position value. | 11-17-2011 |
20120207313 | Coding of Multi-Channel Signals - A system comprises: first and second base stations; and a plurality of relay nodes, each of said relay nodes connected to the first base station, each of said relay nodes being connected to at least one other relay node, whereby at least one relay node is configured to at least one of receive and send information for another of said relays nodes; wherein when at least one of the plurality of relay nodes is handed over to a second base station the at least one relay node is configured to receive and/or send information via another of the relay nodes connected to the first base station. | 08-16-2012 |
20120327091 | Gestural Messages in Social Phonebook - A method and a system is offered to enable communicating a status of a user ( | 12-27-2012 |
20130226324 | AUDIO SCENE APPARATUSES AND METHODS - Apparatus comprising at least one processor and at least one memory including computer code, the at least one memory and the computer code configured to with the at least one processor cause the apparatus to at least perform: generating a message comprising a first part for determining a sensory space associated with the apparatus; determining a capture control parameter dependent on a sensory space apparatus distribution; and capturing a signal based on the capture control parameter. | 08-29-2013 |
20130297053 | AUDIO SCENE PROCESSING APPARATUS - An apparatus comprising: an audio source selector configured to select a set of audio signals from received audio signals; an audio source classifier configured to classify each of the set of audio signals dependent on at least one audio characteristic; and a classification selector configured to select from the set of audio signals at least one audio signal dependent on the audio characteristic. | 11-07-2013 |
20130297054 | AUDIO SCENE SELECTION APPARATUS - An apparatus comprising: an audio analyser configured to determine for a set of received audio signals at least one dominant audio signal source; and a selector configured to select from the set of audio signals at least one audio signal dependent on the at least one dominant audio signal source. | 11-07-2013 |
20130304244 | AUDIO ALIGNMENT APPARATUS - Apparatus comprising: a pairwise selector configured to organise at least one pairwise selection of each of at least two audio signals; a comparator configured to determine for each of the at least one pairwise selection audio signals a time offset value associated with each audio signal; and a delay determiner configured to determine a leading audio signal dependent on the each of the pairwise selection audio signal time offset value, wherein the leading audio signal leads the other audio signals. | 11-14-2013 |
20140081905 | METHOD AND APPARATUS FOR PRUNING AUDIO BASED ON MULTI-SENSOR ANALYSIS - A method, apparatus, and computer program product are provided in order to compose audio signals for content in a multi-user environment that provide a high quality audio signal that best represents the content as captured and uploaded by the plurality of users. In the context of a method, audio and/or video content is captured and selected to be uploaded to be shared with other users. The method may analyze the audio signals for a set of uploaded content and determine segments of the analyzed signals that should be pruned. The method uses the signal pruning data to replace or enhance segments of one or more signals to generate a composed signal that is to be shared with other end users. A corresponding apparatus and a computer program product are also provided. | 03-20-2014 |
20140081987 | METHODS AND APPARATUSES FOR TIME-STAMPING MEDIA FOR MULTI-USER CONTENT RENDERING - A method, apparatus, and computer program product are provided in order to capture and share audio and/or video content in a multi-user environment. In the context of a method, audio and/or video content is captured and selected to be uploaded to be shared with other users. The method may assign and verify global timestamps for captured content and cause the content and verified timestamps to be uploaded to a multi-user content server. The method uses the verified timestamps to synchronize multi-user content to a common timeline in an efficient manner, allowing for rendering of content that is to be shared with other end users. A corresponding apparatus and a computer program product are also provided. | 03-20-2014 |
20140082208 | METHOD AND APPARATUS FOR MULTI-USER CONTENT RENDERING - A method, apparatus, and computer program product are provided in order to capture and share audio and/or video content in a multi-user environment. In the context of a method, audio and/or video content is captured and selected to be uploaded to be shared with other users. The method generates a first data part of the selected content and a second data part of the selected content. The first data part comprises audio and video snapshots of the selected content and the second data part comprises a video of the selected content. The method also causes the first data part of the upload to be transmitted to a content server first, with the second data part being transmitted to the content server later. A corresponding apparatus and a computer program product are also provided. | 03-20-2014 |
20150088625 | METHOD, AN APPARATUS AND A COMPUTER PROGRAM FOR PROMOTING THE APPARATUS - The invention concerns a method for promoting a device ( | 03-26-2015 |
Patent application number | Description | Published |
20100223061 | Method and Apparatus for Audio Coding - In accordance with an example embodiment of the present invention, there is provided an apparatus for encoding an audio signal in two or more encoding stages, the audio signal comprising a set of frequency components. The apparatus comprises a frequency component selection unit configured to select a number of frequency components from the set for encoding in a current encoding stage, the selected frequency components being components of the set that have not been encoded to a non-zero value in a preceding encoding stage; and an encoding unit configured to encode at least one of the selected frequency components to a non-zero value using a number of bits less than or equal to a predetermined number of bits allocated for the current encoding stage. | 09-02-2010 |
20100305727 | ENCODER - An encoder for encoding an audio signal comprising at least two channels, the encoder configured to generate an encoded signal comprising at least a first part, a second part and a third part, wherein the encoder is further configured to: generate the first part of the encoded signal dependent on at least one combination of first and second channels of the at least two channels; generate the second part of the encoded signal dependent on at least one difference between the first and second channels of the at least two channels; and generate the third part of the encoded signal dependent on at least one energy ratio of the first and second channels of the at least two channels. | 12-02-2010 |
20100324708 | ENCODER - An encoder for encoding an audio signal comprising at least two channels; the encoder being configured to generate an audio difference signal dependent on at least two channels of the audio signal, wherein the audio difference signal comprises at least two parts, encode at least one part of the audio difference signal to produce a second audio difference signal and generate at least one indicator, wherein each indicator identifies the at least one part of the audio difference signal. | 12-23-2010 |
20120121091 | AMBIENCE CODING AND DECODING FOR AUDIO APPLICATIONS - A method comprising determining at least one first parameter, wherein the first parameter is dependent on a difference between at least two audio signals; determining at least one second parameter, wherein the second parameter is dependent on at least one directional component of the at least two signals; and generating at least one ambience coefficient value dependent on the at least one first parameter and the at least one second parameter. | 05-17-2012 |
20120215788 | Data Processing - A method comprising: receiving sample data for a plurality of channels, wherein the sample data comprises a plurality of separate sample values and each sample value may be identified using at least a channel index that differentiates between channels and a sampling index that differentiates between sample values; performing energy compaction with respect to at least one of the channel indexes and the sampling indexes to create compacted sample values where each compacted sample value may be identified using at least a channel index that differentiates between channels and a sampling index that differentiates between sample values; and selecting some but not all of the compacted sample values for further program. | 08-23-2012 |
20120310396 | Processing of Multi-Device Audio Capture - It is inter alia disclosed to select, by a first apparatus ( | 12-06-2012 |
20130204631 | COMPRESSED SAMPLING AUDIO APPARATUS - Apparatus comprising at least one processor and at least one memory including computer code, the at least one memory and the computer code configured to with the at least one processor cause the apparatus to at least perform: transforming an audio signal into a sparse domain signal, the sparse domain signal representing the audio signal; transforming the sparse domain signal into a measurement domain signal; determining a sampling pattern dependent on the measurement domain signal; and measuring the measurement domain signal dependent on the sampling pattern. | 08-08-2013 |
20130226322 | AUDIO SCENE APPARATUS - Apparatus comprising at least one processor and at least one memory including computer code, the at least one memory and the computer code configured to with the at least one processor cause the apparatus to at least perform: determining whether a further apparatus is capturing an audio signal neighbouring the apparatus; determining a capture characteristic based on whether the further apparatus is capturing an audio signal neighbouring the apparatus; and capturing the audio signal based on the capture characteristic. | 08-29-2013 |
20140105406 | AUDIO SCENE MAPPING APPARATUS - An apparatus comprising: a receiver configured to receive at least one audio signal from a recording apparatus; the receiver further configured to receive at least one orientation indicator from the recording apparatus, each orientation indicator associated with one at least audio signal; a recording direction determiner configured to determine a recording orientation of the recording apparatus dependent on the at least one audio signal; a relative distance determiner configured to determining a relative distance of the recording apparatus from a sound source dependent on the at least one audio signal; and a relative position determiner configured to determining a relative position of the recording apparatus dependent on the orientation indicator and relative distance. | 04-17-2014 |
20150043756 | AUDIO SCENE MAPPING APPARATUS - An apparatus comprising: at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured to with the at least one processor cause the apparatus to at least perform: receiving at least two signals comprising at least two audio signals from at least two recording apparatus recording within an audio scene an audio source, wherein the first of the at least two audio signals is configured to represent a first frequency range and the second of the at least two audio signals is configured to represent a second frequency range; scaling the at least two audio signals; and combining the at least two audio signals to generate a combined audio signal representation of the audio source. | 02-12-2015 |
20150063070 | ESTIMATING DISTANCES BETWEEN DEVICES - A mobile recording device comprises means for detecting an audio signal emitted by the first device and means for measuring a strength of the audio signal. A server or the mobile comprises means for using the measured signal strength to estimate a distance between the first and second devices. A server comprises means for storing first and second collections of data sets, each of the data sets of the first collection comprising an emission time stamp, each of the data sets of the second collection comprising a reception time stamp and data indicative of a received signal strength; means for using emission time stamps and reception time stamps of the data sets to identify a data set of the first collection that corresponds to a data set of the second collection; and means for using the data indicative of the signal strength from the identified data set of the second collection to estimate the distance between devices that are sources of the identified data sets. | 03-05-2015 |
20150089051 | DETERMINING A TIME OFFSET - A method comprises storing primary time-stamped media and secondary time-stamped media provided by a first device; storing primary time-stamped media and secondary time-stamped media provided by a second device; and using the secondary time-5 stamped media from the first and second devices to determine a time offset between the primary media from the first and second devices. | 03-26-2015 |
20150142454 | HANDLING OVERLAPPING AUDIO RECORDINGS - Apparatus is configured to:
| 05-21-2015 |
20150146874 | SIGNAL PROCESSING FOR AUDIO SCENE RENDERING - Apparatus has at least one processor and at least one memory having computer-readable code stored therein which when executed controls the at least one processor to perform a method. The method comprises processing first and second (5) sets of substantially live audio data originating from first and second devices respectively to determine whether the first and second devices are observing a common audio scene, processing orientation information originating from the first and second devices to determine whether the devices are similarly oriented, and triggering a first action in response to determining both that the first and second (10) devices are observing a common audio scene and that the first and second devices are similarly oriented. | 05-28-2015 |
20150208000 | PERSONALIZED MEDIA REMIX - An embodiment of the invention relates to a method comprising receiving media content from at least one recording device, wherein at least one media content received from said at least one recording device is complemented with personating data and creating remixed media content of the media content being received with said at least one personating data. In addition an embodiment of the invention relates to a method comprising capturing media content by a recording device; monitoring the capture of the media content by logging personating data to the recording device and transmitting at least part of the captured media content to a server, which at least part of the captured media is complemented with the personating data. Embodiments of the present invention also relates to a technical equipment for executing the methods. | 07-23-2015 |
20150269952 | METHOD, AN APPARATUS AND A COMPUTER PROGRAM FOR CREATING AN AUDIO COMPOSITION SIGNAL - An approach for determining an audio composition signal is provided, the approach comprising obtaining a plurality of reduced audio signals, each representing a first predetermined frequency band of a respective audio signal, determining, for each of the plurality of audio signals for a signal segment corresponding to a given period of time, a ranking value indicative of the quality of the respective audio signal on basis of the respective reduced audio signal, selecting an audio signal of the plurality of audio signals for determination of a segment of an audio composition signal on basis of the determined ranking values and determining the segment of the audio composition signal on basis of the selected audio signal. Moreover, an approach for supporting determination of the audio composition signal is provided, the approach comprising capturing an audio signal, extracting audio signal components representing a first predetermined frequency band from the audio signal to form a reduced audio signal, providing the reduced audio signal for a second apparatus for further processing therein, and providing, in response to a request from the second apparatus, a complementary audio signal representing a second predetermined frequency band of the audio signal, wherein the second predetermined frequency band comprises frequency components of the respective audio signal excluded from the first predetermined frequency band. | 09-24-2015 |
20150271599 | SHARED AUDIO SCENE APPARATUS - An apparatus comprising an input configured to receive an audio signal comprising at least two audio shots separated by an audio shot boundary, and a comparator configured to compare the audio signal against a reference audio signal and to determine a location of the audio shot boundary within the audio signal based on the comparison of the audio signal against the reference audio signal. | 09-24-2015 |