公开(公告)号：US20160119733A1

公开(公告)日：2016-04-28

申请号：US14890449

申请日：2013-05-17

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Miikka Tapani VILERMO ,  Toni MAKINEN ,  Adriana VASILACHE ,  Roope Olavi JARVINEN ,  Lasse Juhani LAAKSONEN

IPC: H04S5/00 ,  H04S1/00

CPC classification number: H04S5/00 ,  G10L19/008 ,  G10L25/03 ,  G10L25/21 ,  H04S1/007 ,  H04S2400/03 ,  H04S2400/11

Abstract: An apparatus comprising: a perception sorter configured to perceptually order at least two object orientated audio signal channels; and a selective channel processor configured to process at least one of the at least two object orientated audio signal channels based on the order of the at least two object orientated audio signal channels.

Abstract translation: 一种装置，包括：感知分类器，被配置为感知地排列至少两个面向对象的音频信号信道; 以及选择性信道处理器，被配置为基于所述至少两个面向对象的音频信号信道的顺序来处理所述至少两个面向对象的音频信号信道中的至少一个。

公开(公告)号：US20230410823A1

公开(公告)日：2023-12-21

申请号：US18245028

申请日：2021-08-18

Applicant: Nokia Technologies Oy

Inventor： Adriana VASILACHE

IPC: G10L19/032 ,  G10L19/008

CPC classification number: G10L19/032 ,  G10L19/008

Abstract: An apparatus comprising means configured to: obtain a multichannel audio signal; obtain direction parameter values associated with at least two time-frequency parts of the multichannel audio signal (301), the direction parameter values associated with at least two time-frequency parts comprising an elevation element and an azimuth element associated with at least two time-frequency parts; and compand encode the obtained direction parameter values (305), the means configured to compand encode the obtained direction parameter values is further configured to: quantize the elevation element; determine a companding function based on the quantized elevation element and/or multichannel audio signal format; generate a companded azimuth element based on the companding function applied to the azimuth element; and quantize the companded azimuth element.

公开(公告)号：US20230178085A1

公开(公告)日：2023-06-08

申请号：US17998992

申请日：2021-04-15

Applicant: Nokia Technologies Oy

Inventor： Tapani PIHLAJAKUJA ,  Mikko-Ville LAITINEN ,  Lasse Juhani LAAKSONEN ,  Adriana VASILACHE ,  Anssi RÄMÖ

IPC: G10L19/008 ,  G10L25/21 ,  H04S7/00 ,  G10L19/02 ,  G10L25/18

CPC classification number: G10L19/008 ,  G10L25/21 ,  H04S7/30 ,  G10L19/0204 ,  G10L25/18 ,  H04S2420/07 ,  H04S2420/03 ,  H04S2400/11 ,  H04S3/008

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.

公开(公告)号：US20230129520A1

公开(公告)日：2023-04-27

申请号：US18146151

申请日：2022-12-23

Applicant: Nokia Technologies Oy

Inventor： Adriana VASILACHE

IPC: G10L19/038 ,  G10L19/022 ,  G10L21/0224 ,  G10L21/0232

Abstract: There is disclosed inter alia an apparatus for spatial audio signal encoding comprising means for receiving for each time frequency block of a sub band of an audio frame a spatial audio parameter comprising an azimuth and an elevation; determining a first distortion measure for the audio frame by determining a first distance measure for each time frequency block and summing the first distance measure for each time frequency block; determining a second distortion measure for the audio frame by determining a second distance measure for each time frequency block and summing the second distance measure for each time frequency block, and selecting either the first quantization scheme or the second quantization scheme for quantising the elevation and the azimuth for all time frequency blocks of the sub band of the audio frame, wherein the selecting is dependent on the first and second distortion measures.

公开(公告)号：US20210271315A1

公开(公告)日：2021-09-02

申请号：US17258829

申请日：2019-07-05

Applicant: Nokia Technologies Oy

Inventor： Kari Juhani JARVINEN ,  Jussi LEPPANEN ,  Tapani PIHLAJAKUJA ,  Adriana VASILACHE

IPC: G06F3/01 ,  G10L19/008 ,  H04S7/00 ,  G06F3/16 ,  G06T19/00

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.

公开(公告)号：US20170332170A1

公开(公告)日：2017-11-16

申请号：US15657658

申请日：2017-07-24

Applicant: Nokia Technologies Oy

Inventor： Lasse Juhani Laaksonen ,  Kemal UGUR ,  Pushkar Prasad PATWARDHAN ,  Adriana VASILACHE ,  Jari Mathias HAGQVIST

IPC: H04R3/00 ,  H04S7/00 ,  H04N13/02 ,  G10L21/0216 ,  H04R1/40

CPC classification number: H04R3/005 ,  G10L2021/02166 ,  H04N13/246 ,  H04R1/406 ,  H04R2430/25 ,  H04R2460/07 ,  H04S7/30 ,  H04S7/40 ,  H04S2400/15 ,  H04S2420/07

Abstract: An apparatus configured to: determine a viewing angle associated with at least one apparatus camera; determine from at least two audio signals at least one audio source orientation relative to an apparatus; and generate at least one spatial filter including at least a first orientation range associated with the viewing angle and a second orientation range relative to the apparatus.

公开(公告)号：US20160064004A1

公开(公告)日：2016-03-03

申请号：US14783487

申请日：2013-04-15

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Lasse Juhani LAAKSONEN ,  Adriana VASILACHE ,  Anssi Sakari RÄMÖ ,  Mikko Tapio TAMMI

IPC: G10L19/008

CPC classification number: G10L19/008 ,  G10L19/22 ,  G10L19/24

Abstract: It is inter alia disclosed a method comprising: determining an indication of similarity between a first audio frame of a multiple channel input audio signal and a second audio frame of the multiple channel input audio signal; and determining a coding mode for a multiple channel audio spatial encoder dependent on each of: data indicating a coding mode of a mono audio encoder for the first audio frame of the multiple channel input audio signal; a coding mode of the multichannel spatial audio encoder for the first audio frame of the multiple channel input audio signal; and the indication of similarity.

Abstract translation: 特别地，公开了一种方法，包括：确定多声道输入音频信号的第一音频帧与多声道输入音频信号的第二音频帧之间的相似度的指示; 以及根据以下各项确定多通道音频空间编码器的编码模式：指示多声道输入音频信号的第一音频帧的单声道音频编码器的编码模式的数据; 用于多声道输入音频信号的第一音频帧的多声道空间音频编码器的编码模式; 和相似性的指示。

公开(公告)号：US20150316640A1

公开(公告)日：2015-11-05

申请号：US14797820

申请日：2015-07-13

Applicant: Nokia Technologies Oy

Inventor： Petri JARSKE ,  Juha Henrik ARRASVUORI ,  Anssi RAMO ,  Adriana VASILACHE ,  James D. LYNCH

IPC: G01S3/80 ,  H04R3/00 ,  H04R29/00

CPC classification number: G01S3/8006 ,  G01C21/00 ,  G06F3/04815 ,  H04R3/005 ,  H04R3/12 ,  H04R5/02 ,  H04R29/00 ,  H04S7/303

Abstract: An approach is provided for efficiently capturing, processing, presenting, and/or associating audio objects with content items and geo-locations. A processing platform may determine a viewpoint of a viewer of at least one content item associated with a geo-location. Further, the processing platform and/or a content provider may determine at least one audio object associated with the at least one content item, the geo-location, or a combination thereof. Furthermore, the processing platform may process the at least one audio object for rendering one or more elements of the at least one audio object based, at least in part, on the viewpoint.

Abstract translation: 提供了一种用于有效地捕获，处理，呈现和/或将音频对象与内容项目和地理位置相关联的方法。 处理平台可以确定与地理位置相关联的至少一个内容项目的观看者的观点。 此外，处理平台和/或内容提供商可以确定与至少一个内容项目，地理位置或其组合相关联的至少一个音频对象。 此外，处理平台可以处理至少一个音频对象，用于至少部分地基于视点来渲染至少一个音频对象的一个​​或多个元素。

公开(公告)号：US20250029620A1

公开(公告)日：2025-01-23

申请号：US18707301

申请日：2022-09-23

Applicant: Nokia Technologies Oy

Inventor： Adriana VASILACHE

IPC: G10L19/008 ,  G10L19/032

Abstract: An apparatus for decoding a spatial audio signal direction index to a direction value, the direction index representing a point in a spherical grid generated by covering a sphere with smaller spheres, wherein the centres of the smaller spheres define points of the spherical grid the points arranged substantially equidistant from each other on circles of constant elevation, the apparatus comprising means for: obtaining a spatial audio signal direction index value (306); estimating, by application of a defined polynomial comprising the spatial audio signal direction index value, a grid circle index value (502); determining from the grid circle index value a low direction index value (505) and a high direction index value (507); and determining an elevation index value and an azimuth index value based on the grid circle index value, the low direction index value, the high direction index value and the spatial audio signal direction index value (509).

公开(公告)号：US20240185869A1

公开(公告)日：2024-06-06

申请号：US18552132

申请日：2021-03-22

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Mikko-Ville LAITINEN ,  Adriana VASILACHE ,  Tapani PIHLAJAKUJA ,  Lasse Juhani LAAKSONEN ,  Anssi Sakari RÄMÖ

IPC: G10L19/032 ,  G10L19/002 ,  G10L19/008

CPC classification number: G10L19/032 ,  G10L19/002 ,  G10L19/008

Abstract: There is inter alia disclosed an apparatus for spatial audio encoding configured to determining an audio scene separation metric between an input audio signal and a further input audio signal. and using the audio scene separation metric for quantizing of at least one spatial audio parameter of the input audio signal.