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Patent Agency Ranking
公开(公告)号：US12131741B2
公开(公告)日：2024-10-29
申请号：US17799143
申请日：2021-02-05
Applicant: Huawei Technologies Co., Ltd.
IPC: G10L19/00 , H04B17/318 , H04L43/0894
CPC classification number: G10L19/00 , H04B17/318 , H04L43/0894
Abstract: An audio transmission method includes: a second device sends noise energy data on the second device end and transmission efficiency data to a first device; the first device determines a first bit rate based on the noise energy data, and determines a second bit rate based on the transmission efficiency data; the first device encodes an audio stream based on a lower bit rate of the first bit rate and the second bit rate to obtain audio data; the first device sends the audio data obtained by encoding to the second device.
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公开(公告)号：US11838720B2
公开(公告)日：2023-12-05
申请号：US17440521
申请日：2020-02-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jie Su , Tong Zhu , Ligang Yu , Chunjian Li
CPC classification number: H04R1/24 , H04R3/14 , H04R5/02 , H04R1/023 , H04R2205/022 , H04R2499/11
Abstract: An electronic device includes a main body, a display disposed on the main body, and a sound-making assembly. The sound-making assembly includes a speaker box and a driving diaphragm located in the speaker box, the speaker box is disposed inside the main body or is formed using the main body and the display, where the main body includes a speaker grille corresponding to the speaker box, the driving diaphragm is fastened inside the speaker box and divides the speaker box into two sub-chambers, the speaker grille is coupled to one of the two sub-chambers, the driving diaphragm vibrates after receiving an audio signal, the driving diaphragm drives, through vibration of the driving diaphragm, air in the two sub-chambers to vibrate to make a sound, and the sound is propagated through the speaker grille.
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公开(公告)号：US20230141955A1
公开(公告)日：2023-05-11
申请号：US17802690
申请日：2021-01-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junqing Luo , Jie Su , Ligang Yu , Fanfan Liu , Jing Chang , Shizhe Li , Senjun Chen
CPC classification number: H04R1/028 , A45C11/00 , A45C2011/002 , H04R17/00
Abstract: A terminal protective case and an audio playback system, the case including a housing, a diaphragm, a piezoelectric sheet, and a drive circuit. The housing has a main body part and a fastening frame part, a side of the fastening frame part is fastened to a periphery of the main body part, the fastening frame part and the main body part jointly enclose an accommodating groove configured to accommodate a terminal. The diaphragm is within the main body part, the piezoelectric sheet is fastened to the diaphragm, a front cavity is on a side of the diaphragm, a sound outlet hole is disposed on the main body part, and the sound outlet hole connects the front cavity to the outside of the main body part. The drive circuit is within the main body part and connected to the piezoelectric sheet, and is configured to drive the piezoelectric sheet.
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公开(公告)号：US20230069653A1
公开(公告)日：2023-03-02
申请号：US17799143
申请日：2021-02-05
Applicant: Huawei Technologies Co., Ltd.
IPC: G10L19/00 , H04L43/0894 , H04B17/318
Abstract: An audio transmission method includes: a second device sends noise energy data on the second device end and transmission efficiency data to a first device; the first device determines a first bit rate based on the noise energy data, and determines a second bit rate based on the transmission efficiency data; the first device encodes an audio stream based on a lower bit rate of the first bit rate and the second bit rate to obtain audio data; the first device sends the audio data obtained by encoding to the second device.
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公开(公告)号：US20220159369A1
公开(公告)日：2022-05-19
申请号：US17440521
申请日：2020-02-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jie Su , Tong Zhu , Ligang Yu , Chunjian Li
Abstract: An electronic device includes a main body, a display disposed on the main body, and a sound-making assembly. The sound-making assembly includes a speaker box and a driving diaphragm located in the speaker box, the speaker box is disposed inside the main body or is formed using the main body and the display, where the main body includes a speaker grille corresponding to the speaker box, the driving diaphragm is fastened inside the speaker box and divides the speaker box into two sub-chambers, the speaker grille is coupled to one of the two sub-chambers, the driving diaphragm vibrates after receiving an audio signal, the driving diaphragm drives, through vibration of the driving diaphragm, air in the two sub-chambers to vibrate to make a sound, and the sound is propagated through the speaker grille.
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