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    Control of a switched mode power supply and linear power supply for an audio device
    2.
    发明授权
    Control of a switched mode power supply and linear power supply for an audio device 有权
    控制音频设备的开关模式电源和线性电源

    公开(公告)号：US09484876B2

    公开(公告)日：2016-11-01

    申请号：US14012203

    申请日：2013-08-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hae-kwang Park ,  Dong-hyun Lim

    IPC: H03G3/00 ,  H03G3/20 ,  H03F1/02 ,  H03F1/30 ,  H03F3/181 ,  H03G3/30

    CPC classification number: H03G3/20 ,  H03F1/0227 ,  H03F1/025 ,  H03F1/305 ,  H03F3/181 ,  H03F2200/03 ,  H03F2200/102 ,  H03F2200/504 ,  H03F2200/507 ,  H03F2200/511 ,  H03G3/3005

    Abstract: An audio device and an output method thereof are provided. The audio device includes: an envelope detector configured to detect an envelope of an input audio signal; a power supply which includes a linear power supply (LPS) and a switching-mode power supply (SMPS); an amplifier configured to amplify the input audio signal; an output unit configured to output the audio signal amplified by the amplifier; and a controller configured to compare a voltage level of the detected envelope with a preset level, select one of the LPS and the SMPS based on a result of the comparison, and control the power supply to supply power from the selected one of the LPS and the SMPS to the amplifier.

    Abstract translation: 提供音频装置及其输出方法。 音频设备包括：包络检测器，被配置为检测输入音频信号的包络; 包括线性电源（LPS）和开关模式电源（SMPS）的电源; 放大器，配置成放大输入音频信号; 输出单元，被配置为输出由放大器放大的音频信号; 以及控制器，被配置为将检测到的包络的电压电平与预设电平进行比较，基于比较的结果选择LPS和SMPS中的一个，并且控制电源以从LPS中选择的一个提供电力，以及 SMPS到放大器。

    Switching power amplifier and method of controlling the same
    3.
    发明授权
    Switching power amplifier and method of controlling the same 有权
    开关功率放大器及其控制方法

    公开(公告)号：US08922277B2

    公开(公告)日：2014-12-30

    申请号：US13775816

    申请日：2013-02-25

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hae-kwang Park

    IPC: H03F1/26 ,  H03F3/217

    CPC classification number: H03F1/26 ,  H03F3/217 ,  H03F3/2173 ,  H03F2200/348 ,  H03F2200/351

    Abstract: A switching power amplifier having a pulse width modulation (PWM) signal generation unit that converts an input audio signal into a PWM signal with a predetermined carrier frequency, a correction unit that corrects the difference between an audio signal included in the PWM signal and a negative feedback output audio signal to generate a corrected PWM signal, a low pass filter that removes a high-frequency component from the corrected PWM signal, a frequency modulation unit that modulates the corrected PWM signal so that the corrected PWM signal has a switching frequency different from the carrier frequency of the input PWM signal to generate a modulated PWM signal, and a power amplification unit that amplifies a power of the modulated PWM signal.

    Abstract translation: 一种具有将输入音频信号转换成具有预定载波频率的PWM信号的脉冲宽度调制（PWM）信号生成单元的开关功率放大器，修正包含在PWM信号中的音频信号与负信号之间的差的校正单元 反馈输出音频信号以产生经校正的PWM信号，从校正的PWM信号中去除高频分量的低通滤波器;调频单元，其对经校正的PWM信号进行调制，使得校正后的PWM信号的开关频率不同于 用于产生调制PWM信号的输入PWM信号的载波频率，以及放大调制PWM信号的功率的功率放大单元。

    Audio output device and controlling method thereof
    4.
    发明授权
    Audio output device and controlling method thereof 有权

    公开(公告)号：US10015619B1

    公开(公告)日：2018-07-03

    申请号：US15860090

    申请日：2018-01-02

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yoon-jae Lee ,  Young-suk Song ,  Woo-jung Lee ,  Han-ki Kim ,  Hae-kwang Park ,  Jun-ho Sohn

    IPC: H04R5/02 ,  H04S7/00 ,  H04R3/04 ,  H04S3/00

    Abstract: An audio output device which outputs an audio signal that offsets a direct sound in the first speaker to offset the direct sound generated in the second speaker is provided. The audio output device according to various exemplary embodiments includes a first speaker configured to output a first audio signal, the first speaker being disposed at a first side of the audio output device, a second speaker configured to output a second audio signal, the second speaker being disposed at a second side of the audio output device, and an audio signal processor configured to control the first speaker to output the third audio signal to remove the element provided in the same direction with the first side among the second audio signal.

    Method and apparatus for emulating sound
    7.
    发明授权
    Method and apparatus for emulating sound 有权
    用于模拟声音的方法和装置

    公开(公告)号：US09431979B2

    公开(公告)日：2016-08-30

    申请号：US13673456

    申请日：2012-11-09

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jae-yong Cho ,  Hae-kwang Park

    IPC: H03G3/00 ,  G10H7/02 ,  G10L21/00

    CPC classification number: H03G3/00 ,  G10H1/16 ,  G10H7/02 ,  G10H2250/041 ,  G10H2250/201 ,  G10H2250/205 ,  G10L21/00

    Abstract: A method of emulating a sound of an audio apparatus by using a sound emulation apparatus includes obtaining k past samples (where k is a natural number that is equal to or greater than 1) by delaying a current sample of an audio signal; applying a plurality of characteristic functions indicating an input/output relationship of the audio apparatus to the current sample and the k past samples, respectively; and adding the current sample and the k past samples, to which the plurality of characteristic functions have been applied, respectively, to generate an emulation sound of the audio apparatus.

    Abstract translation: 通过使用声音仿真装置来模拟音频装置的声音的方法包括通过延迟音频信号的当前采样来获得k个过去样本（其中k是等于或大于1的自然数）; 将表示音频装置的输入/输出关系的多个特征函数分别应用于当前样本和k个过去样本; 并分别添加已经应用了多个特征功能的当前采样和k个过去采样，以产生音频装置的仿真声音。

    Electronic device and method for controlling same
    8.
    发明授权
    Electronic device and method for controlling same 有权

    公开(公告)号：US11243740B2

    公开(公告)日：2022-02-08

    申请号：US16759596

    申请日：2018-10-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Han-ki Kim ,  Hae-kwang Park ,  Young-suk Song ,  Jun-ho Sohn

    IPC: G06F3/16 ,  G06F3/0482 ,  G08C17/02 ,  H04R3/00 ,  H04S7/00

    Abstract: Disclosed is an electronic device. The electronic device comprises: a display; a storage unit for storing an application for integrally controlling a plurality of speakers operating on the basis of different wireless solutions; and a processor for driving the application according to a preset event. The application is capable of providing, through the display, a list containing identification information for the plurality of speakers, and providing, through the display, a UI screen including a function which is commonly provided to the different wireless solutions when one of the plurality of speakers is selected.

    Display apparatus and controlling method thereof
    9.
    发明授权
    Display apparatus and controlling method thereof 有权

    公开(公告)号：US10318234B2

    公开(公告)日：2019-06-11

    申请号：US16046038

    申请日：2018-07-26

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： In-woo Hwang ,  Sun-min Kim ,  Jae-youn Cho ,  Ki-woong Kang ,  Ki-beom Kim ,  Hae-kwang Park ,  Dong-hyun Lim

    IPC: H04R29/00 ,  H03G3/30 ,  G06F3/16 ,  H04R1/02 ,  H04R3/00 ,  H04N5/60

    Abstract: A display apparatus includes a speaker, a storage configured to store first rendering type information and second rendering type information based on a volume level of each content genre; a display, and a processor configured to render a sound signal of a content based on at least one of the first rendering type information and the second rendering type information corresponding to a genre of the content on the display and output the rendered sound signal through the speaker, wherein the processor, based on a volume level which is currently set in the display apparatus being within a predetermined range, renders the sound signal based on third rendering type information which is obtained by applying a weight according to the set volume level to at least one of the first rendering type information and the second rendering type information.

    Acoustic output device and control method thereof
    10.
    发明授权
    Acoustic output device and control method thereof 有权

    公开(公告)号：US10158945B2

    公开(公告)日：2018-12-18

    申请号：US15606646

    申请日：2017-05-26

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dong-hyun Jung ,  Dong-kyu Park ,  Yoon-jae Lee ,  Young-suk Song ,  Woo-jung Lee ,  Hae-kwang Park

    IPC: H03F3/68 ,  H04R3/12 ,  H04R1/28 ,  H04R3/06 ,  H04R3/14 ,  H04S5/00 ,  H04S3/00

    Abstract: An acoustic output device and a control method thereof are provided. The acoustic output device includes: at least one first speaker configured to output a first sound range; a plurality of second speakers configured to output a second sound range that is different from the first sound range; a first crossover circuit connected to the first speaker and one of the plurality of second speakers; a second crossover circuit connected to the first speaker and another of the plurality of second speakers; and a processor configured to control the first and second crossover circuits to provide acoustic signals to the first speaker and the plurality of second speakers, wherein a frequency band of an acoustic signal provided to the first speaker connected to the first crossover circuit is at least partially different from a frequency band of an acoustic signal provided to the first speaker connected to the second of crossover circuit, and wherein a frequency band of an acoustic signal provided to the one of the plurality of second speakers connected to the second crossover circuit is at least partially different from a frequency band of an acoustic signal provided to the other of the plurality of second speakers connected to the second of crossover circuit.

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