公开(公告)号：US20160295342A1

公开(公告)日：2016-10-06

申请号：US15175972

申请日：2016-06-07

Applicant: SOCIONEXT INC.

Inventor： Shuji MIYASAKA ,  Kazutaka ABE ,  Anh Tuan TRAN ,  Zong Xian LIU ,  Yong Hwee SIM ,  Hitoshi KAMEYAMA ,  Naoru TATEISHI ,  Kenta NAKANISHI

IPC: H04S7/00 ,  G10K11/34 ,  H04R29/00

CPC classification number: H04S7/305 ,  G10K11/346 ,  G10K15/08 ,  H04R3/12 ,  H04R5/02 ,  H04R5/04 ,  H04R29/002 ,  H04R2203/12 ,  H04S7/30 ,  H04S7/303 ,  H04S7/307 ,  H04S2400/01 ,  H04S2420/07

Abstract: An audio reproduction apparatus includes: a signal processing unit that converts an audio signal into N channel signals, where N is an integer greater than or equal to 3; and a speaker array including N speaker elements that respectively output the N channel signals as reproduced sound, wherein the signal processing unit includes: a beam formation unit that performs a beam formation process of resonating the reproduced sound output from the speaker array at a position of one ear of the listener; and a cancellation unit that performs a cancellation process of preventing the reproduced sound output from the speaker array from reaching a position of the other ear of the listener.

Abstract translation: 音频再现装置包括：信号处理单元，其将音频信号转换为N个信道信号，其中N是大于或等于3的整数; 以及包括N个扬声器元件的扬声器阵列，其分别输出所述N个通道信号作为再生声音，其中，所述信号处理单元包括：波束形成单元，其执行波束形成处理，所述波束形成处理使从所述扬声器阵列输出的再现声音在 听众的一只耳朵; 以及取消单元，其执行防止从扬声器阵列输出的再现声音到达听众的另一个耳朵的位置的取消处理。

公开(公告)号：US20160225377A1

公开(公告)日：2016-08-04

申请号：US15097117

申请日：2016-04-12

Applicant: SOCIONEXT INC.

Inventor： Shuji MIYASAKA ,  Kazutaka ABE ,  Zong Xian LIU ,  Yong Hwee SIM ,  Anh Tuan TRAN

IPC: G10L19/008

CPC classification number: G10L19/008 ,  G10L19/002 ,  H04S3/008 ,  H04S5/005 ,  H04S2400/11 ,  H04S2400/15

Abstract: An input signal includes a channel-based audio signal and an object-based audio signal, and an audio encoding device includes an audio scene analysis unit configured to determine an audio scene from the input signal and detect audio scene information; a channel-based encoder that encodes the channel-based audio signal output from the audio scene analysis unit; an object-based encoder that encodes the object-based audio signal output from the audio scene analysis unit; and an audio scene encoding unit configured to encode the audio scene information.

Abstract translation: 输入信号包括基于频道的音频信号和基于对象的音频信号，音频编码装置包括音频场景分析单元，被配置为根据输入信号确定音频场景并检测音频场景信息; 基于频道的编码器，其对从音频场景分析单元输出的基于频道的音频信号进行编码; 基于对象的编码器，其对从音频场景分析单元输出的基于对象的音频信号进行编码; 以及音频场景编码单元，被配置为对音频场景信息进行编码。

公开(公告)号：US20150235646A1

公开(公告)日：2015-08-20

申请号：US14700957

申请日：2015-04-30

Applicant: SOCIONEXT INC.

Inventor： Shunji MIYASAKA ,  Yong Hwee SIM

IPC: G10L19/008

CPC classification number: G10L19/008 ,  G10L19/0204 ,  G10L19/24 ,  H03M7/3059

Abstract: An audio signal coding device including: a layered coding unit which codes a low-band signal which is included in an input audio signal and in a frequency band lower than a boundary frequency to generate a coded low-band signal, and codes a high-band signal in a frequency band higher than the boundary frequency to generate a coded high-band signal; and a layer boundary setting unit which sets the boundary frequency to a first frequency if a coding bitrate to be used by the layered coding unit for coding the low-band signal and the high-band signal is a first bitrate, and sets the boundary frequency to a second frequency lower than the first frequency if the coding bitrate is a second bitrate lower than the first bitrate.

Abstract translation: 一种音频信号编码装置，包括：分层编码单元，对包含在输入音频信号中的低频信号进行编码，并且在低于边界频率的频带中生成编码的低频信号， 在高于边界频率的频带中产生编码的高频带信号; 以及层边界设定单元，如果要由用于编码低频带信号和高频带信号的分层编码单元使用的编码比特率是第一比特率，则将边界频率设置为第一频率，并且设置边界频率 如果编码比特率是低于第一比特率的第二比特率，则比第一频率低的第二频率。

公开(公告)号：US20170365262A1

公开(公告)日：2017-12-21

申请号：US15694672

申请日：2017-09-01

Applicant: SOCIONEXT INC.

Inventor： Shuji MIYASAKA ,  Kazutaka ABE ,  Zong Xian LIU ,  Yong Hwee SIM ,  Anh Tuan TRAN

IPC: G10L19/008 ,  H04S5/00 ,  G10L19/002 ,  H04S3/00

CPC classification number: G10L19/008 ,  G10L19/002 ,  H04S3/008 ,  H04S5/005 ,  H04S2400/11 ,  H04S2400/15

Abstract: An input signal includes a channel-based audio signal and an object-based audio signal, and an audio encoding device includes an audio scene analysis unit configured to determine an audio scene from the input signal and detect audio scene information; a channel-based encoder that encodes the channel-based audio signal output from the audio scene analysis unit; an object-based encoder that encodes the object-based audio signal output from the audio scene analysis unit; and an audio scene encoding unit configured to encode the audio scene information.

公开(公告)号：US20160088393A1

公开(公告)日：2016-03-24

申请号：US14961739

申请日：2015-12-07

Applicant: SOCIONEXT INC.

Inventor： Shuji MIYASAKA ,  Kazutaka ABE ,  Anh Tuan TRAN ,  Yong Hwee SIM ,  Zong Xian LIU

IPC: H04R5/04 ,  H04S7/00

CPC classification number: H04R5/04 ,  H04R1/403 ,  H04R3/12 ,  H04R2203/12 ,  H04S7/30 ,  H04S7/308 ,  H04S2400/03 ,  H04S2400/11

Abstract: An audio playback device which plays back an audio object including an audio signal and playback position information indicating a position in a three-dimensional space at which a sound image of the audio signal is localized, includes: at least one speaker array; a converting unit which converts playback position information to corrected playback position information which is information indicating a position of the sound image on a two-dimensional coordinate system based on a position of the at least one speaker array; and a signal processing unit which localizes the sound image of the audio signal included in the audio object according to the corrected playback position information.

Abstract translation: 一种音频播放设备，其重放包括音频信号的音频对象和指示音频信号的声像被定位的三维空间中的位置的播放位置信息，包括：至少一个扬声器阵列; 转换单元，其基于所述至少一个扬声器阵列的位置，将播放位置信息转换为校正播放位置信息，其是指示二维坐标系上的声像的位置的信息; 以及信号处理单元，其根据校正的播放位置信息来定位包括在音频对象中的音频信号的声音图像。