公开(公告)号：US20230131892A1

公开(公告)日：2023-04-27

申请号：US18069573

申请日：2022-12-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xingtao ZHANG ,  Haiting LI ,  Zexin LIU ,  Lei MIAO

IPC: G10L19/008 ,  G10L19/032 ,  H04S3/00

Abstract: The present disclosure discloses an inter-channel phase difference parameter encoding method, where a current frame is obtained; a signal type and a previous IPD parameter encoding scheme of a previous frame are obtained; a current IPD parameter encoding scheme is obtained at least based on the signal type of the previous frame and the previous IPD parameter encoding scheme; and an IPD parameter of the current frame is processed based on the current IPD parameter encoding scheme.

公开(公告)号：US20160254002A1

公开(公告)日：2016-09-01

申请号：US15154655

申请日：2016-05-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xingtao ZHANG ,  Lei MIAO ,  Wenhai WU

IPC: G10L19/008

CPC classification number: G10L19/008

Abstract: Present disclosure discloses a method and an apparatus for encoding a stereo phase parameter, which relate to the field of information technologies and can improve an effect of stereo audio phase information. The method includes: first, acquiring a global stereo phase parameter of a current frame; then, determining a value of the global stereo phase parameter of the current frame, and adjusting the value of the global stereo phase parameter of the current frame according to a determining result of the value of the global stereo phase parameter of the current frame; and finally, encoding an adjusted value of the global stereo phase parameter of the current frame. The embodiments of the present disclosure are applicable to recovering stereo phase information.

Abstract translation: 本公开公开了一种用于对立体声相位参数进行编码的方法和装置，其涉及信息技术领域并且可以改善立体声音频相位信息的效果。 该方法包括：首先获取当前帧的全局立体相参数; 然后，确定当前帧的全局立体相参数的值，并根据当前帧的全局立体相位参数的值的确定结果调整当前帧的全局立体相参数的值; 并且最后，对当前帧的全局立体相参数的调整值进行编码。 本公开的实施例适用于恢复立体声相位信息。

公开(公告)号：US20240355342A1

公开(公告)日：2024-10-24

申请号：US18763087

申请日：2024-07-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xingtao ZHANG ,  Haiting LI ,  Zexin LIU ,  Lei MIAO

IPC: G10L19/008 ,  G10L19/032 ,  H04S3/00

CPC classification number: G10L19/008 ,  G10L19/032 ,  H04S3/008 ,  H04S2400/03 ,  H04S2420/03

Abstract: The present disclosure discloses an inter-channel phase difference parameter encoding method, where a current frame is obtained; a signal type and a previous IPD parameter encoding scheme of a previous frame are obtained; a current IPD parameter encoding scheme is obtained at least based on the signal type of the previous frame and the previous IPD parameter encoding scheme; and an IPD parameter of the current frame is processed based on the current IPD parameter encoding scheme.

公开(公告)号：US20210264926A1

公开(公告)日：2021-08-26

申请号：US17319353

申请日：2021-05-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xingtao ZHANG ,  Haiting LI ,  Zexin LIU ,  Lei MIAO

IPC: G10L19/008 ,  G10L19/032 ,  H04S3/00

Abstract: This application discloses an IPD parameter encoding method, including: obtaining a reference parameter used to determine an IPD parameter encoding scheme of a current frame of a multi-channel signal; determining the IPD parameter encoding scheme of the current frame based on the reference parameter, where the determined IPD parameter encoding scheme of the current frame is one of at least two preset IPD parameter encoding schemes; and processing an IPD parameter of the current frame based on the determined IPD parameter encoding scheme of the current frame. The technical solutions provided in this application can improve encoding quality of the multi-channel signal.