JP2020060790A5 - - Google Patents

Download PDF

Info

Publication number
JP2020060790A5
JP2020060790A5 JP2019237723A JP2019237723A JP2020060790A5 JP 2020060790 A5 JP2020060790 A5 JP 2020060790A5 JP 2019237723 A JP2019237723 A JP 2019237723A JP 2019237723 A JP2019237723 A JP 2019237723A JP 2020060790 A5 JP2020060790 A5 JP 2020060790A5
Authority
JP
Japan
Prior art keywords
hoa
sound
compressed
bitstream
sound representation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2019237723A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020060790A (ja
JP6872002B2 (ja
Filing date
Publication date
Application filed filed Critical
Publication of JP2020060790A publication Critical patent/JP2020060790A/ja
Publication of JP2020060790A5 publication Critical patent/JP2020060790A5/ja
Priority to JP2021069477A priority Critical patent/JP7275191B2/ja
Application granted granted Critical
Publication of JP6872002B2 publication Critical patent/JP6872002B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2019237723A 2014-06-27 2019-12-27 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置 Active JP6872002B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021069477A JP7275191B2 (ja) 2014-06-27 2021-04-16 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14306026.7 2014-06-27
EP14306026 2014-06-27

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2016575018A Division JP6641303B2 (ja) 2014-06-27 2015-06-22 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021069477A Division JP7275191B2 (ja) 2014-06-27 2021-04-16 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Publications (3)

Publication Number Publication Date
JP2020060790A JP2020060790A (ja) 2020-04-16
JP2020060790A5 true JP2020060790A5 (https=) 2020-12-10
JP6872002B2 JP6872002B2 (ja) 2021-05-19

Family

ID=51178841

Family Applications (6)

Application Number Title Priority Date Filing Date
JP2016575018A Active JP6641303B2 (ja) 2014-06-27 2015-06-22 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2019237723A Active JP6872002B2 (ja) 2014-06-27 2019-12-27 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2021069477A Active JP7275191B2 (ja) 2014-06-27 2021-04-16 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2023076033A Active JP7516610B2 (ja) 2014-06-27 2023-05-02 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2024107100A Active JP7757471B2 (ja) 2014-06-27 2024-07-03 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2025169821A Pending JP2026009133A (ja) 2014-06-27 2025-10-08 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2016575018A Active JP6641303B2 (ja) 2014-06-27 2015-06-22 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Family Applications After (4)

Application Number Title Priority Date Filing Date
JP2021069477A Active JP7275191B2 (ja) 2014-06-27 2021-04-16 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2023076033A Active JP7516610B2 (ja) 2014-06-27 2023-05-02 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2024107100A Active JP7757471B2 (ja) 2014-06-27 2024-07-03 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
JP2025169821A Pending JP2026009133A (ja) 2014-06-27 2025-10-08 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置

Country Status (7)

Country Link
US (3) US9922657B2 (https=)
EP (4) EP4712074A2 (https=)
JP (6) JP6641303B2 (https=)
KR (3) KR102655047B1 (https=)
CN (9) CN113793617B (https=)
TW (3) TWI797658B (https=)
WO (1) WO2015197516A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
US9922657B2 (en) * 2014-06-27 2018-03-20 Dolby Laboratories Licensing Corporation Method for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
JP7576582B2 (ja) 2019-07-02 2024-10-31 ドルビー・インターナショナル・アーベー 離散指向性情報の表現、符号化、および復号化のための方法、装置、およびシステム
CN115038027B (zh) * 2021-03-05 2023-07-07 华为技术有限公司 Hoa系数的获取方法和装置
CN115346537B (zh) * 2021-05-14 2024-11-29 华为技术有限公司 一种音频编码、解码方法及装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5682494A (en) * 1992-11-30 1994-06-22 Digital Voice Systems, Inc. Method and apparatus for quantization of harmonic amplitudes
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
SE522453C2 (sv) * 2000-02-28 2004-02-10 Scania Cv Ab Sätt och anordning för styrning av ett mekaniskt tillsatsaggregat i ett motorfordon
CN1138254C (zh) * 2001-03-19 2004-02-11 北京阜国数字技术有限公司 一种基于小波变换的音频信号压缩编/解码方法
CA2992051C (en) * 2004-03-01 2019-01-22 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
EP1513137A1 (en) * 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Speech processing system and method with multi-pulse excitation
US8788264B2 (en) 2007-06-27 2014-07-22 Nec Corporation Audio encoding method, audio decoding method, audio encoding device, audio decoding device, program, and audio encoding/decoding system
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
EP2352304B1 (en) * 2008-09-17 2015-07-01 Panasonic Intellectual Property Management Co., Ltd. Recording medium, reproduction device, and integrated circuit
TWI447709B (zh) * 2010-02-11 2014-08-01 杜比實驗室特許公司 用以非破壞地正常化可攜式裝置中音訊訊號響度之系統及方法
ES2472456T3 (es) * 2010-03-26 2014-07-01 Thomson Licensing Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio
CA2992917C (en) * 2010-04-09 2020-05-26 Dolby International Ab Mdct-based complex prediction stereo coding
EP2451196A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
CN102760437B (zh) * 2011-04-29 2014-03-12 上海交通大学 实时声道控制转换的音频解码装置
EP2541547A1 (en) * 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
KR20240108571A (ko) 2012-07-16 2024-07-09 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치
EP2688066A1 (en) * 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
EP2733963A1 (en) * 2012-11-14 2014-05-21 Thomson Licensing Method and apparatus for facilitating listening to a sound signal for matrixed sound signals
EP2738962A1 (en) * 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
US9922657B2 (en) * 2014-06-27 2018-03-20 Dolby Laboratories Licensing Corporation Method for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
KR20250085845A (ko) * 2014-06-27 2025-06-12 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
KR20250051142A (ko) * 2014-06-27 2025-04-16 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현

Similar Documents

Publication Publication Date Title
JP2020060790A5 (https=)
JP2020060789A5 (https=)
US12245012B2 (en) Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
JP2023083435A5 (https=)
JP2023179673A5 (https=)
JP2020160454A5 (https=)
EP2898509B1 (en) Audio coding with gain profile extraction and transmission for speech enhancement at the decoder
JP4708493B2 (ja) バイノーラル音響信号の動的な復号
CN109410965B (zh) 对声场的高阶立体混响表示进行压缩和解压缩的方法和设备
CN110890101B (zh) 用于基于语音增强元数据进行解码的方法和设备
CN111837182A (zh) 用于产生或解码包括沉浸式音频信号的位流的方法及装置
JP2023099587A5 (https=)
CN110176240B (zh) 用于联合多声道编码的方法和设备
JP2020524420A5 (https=)
CN101044550A (zh) 产生编码多通道信号的设备和方法、对编码多通道信号进行解码的设备和方法
TW200816168A (en) Processing of excitation in audio coding and decoding
US10366698B2 (en) Variable length coding of indices and bit scheduling in a pyramid vector quantizer
CN101156320B (zh) 具有紧密码簿的熵编码设备和方法
JPWO2009153995A1 (ja) 量子化装置、符号化装置およびこれらの方法
HK40101406A (zh) 用於联合多声道编码的方法和设备
HK40104427A (zh) 用於联合多声道编码的方法和设备
HK40104053A (zh) 用於联合多声道编码的方法和设备
HK40111378A (zh) 用於产生或解码包括沉浸式音频信号的位流的方法及装置
HK40114010A (zh) 用於产生或解码包括沉浸式音频信号的位流的方法及装置