Switching amplifier, sound output device, and audio apparatus using the same

    公开(公告)号:US09899972B2

    公开(公告)日:2018-02-20

    申请号:US14453694

    申请日:2014-08-07

    CPC classification number: H03F3/2173 H03F3/185 H03F2200/03 H03F2200/405

    Abstract: A switching amplifier is provided. The switching amplifier includes an input unit configured to receive an audio signal, a first switching element and a second switching element configured to switch and output the received audio signal, a first regulator configured to vary and provide a voltage input to the first switching element so that the first switching element is not turned on in an operation area of the second switching element, and a second regulator configured to vary and provide a voltage input to the second switching element so that the second switching element is not turned on in an operation area of the first switching element. In addition, the first switching element and the second switching element are a depletion type transistor.

    Audio output apparatus and method for audio correction

    公开(公告)号:US09681239B2

    公开(公告)日:2017-06-13

    申请号:US14266111

    申请日:2014-04-30

    CPC classification number: H04R29/00 H04R3/04 H04R2499/11

    Abstract: An audio output apparatus and a method for audio correction is provided. An audio correction method of an audio output apparatus may include receiving a test signal from a terminal device, generating correction filter information of the terminal device based on the received test signal and a standard signal of the terminal device, and in response to an audio signal being received from the terminal device, correcting the received audio signal based on the correction filter information.

    Power supply apparatus and electronic apparatus having the same

    公开(公告)号:US10177567B2

    公开(公告)日:2019-01-08

    申请号:US14242134

    申请日:2014-04-01

    Abstract: A power supply apparatus and an electronic apparatus are provided. The power supply apparatus includes: a plurality of power supplies arranged as a single array; a switch disposed between the plurality of power supplies configured to control connection states of the plurality of power supplies; and a controller configured to control the switch to connect the plurality of power supplies in parallel when a first event requiring a voltage less than a predetermined reference voltage occurs, and configured control the switch to connect the plurality of power supplies in series when a second event requiring a voltage exceeding the predetermined reference voltage occurs.

    Apparatus and method for processing audio signal
    4.
    发明授权
    Apparatus and method for processing audio signal 有权
    用于处理音频信号的装置和方法

    公开(公告)号:US09294855B2

    公开(公告)日:2016-03-22

    申请号:US14146298

    申请日:2014-01-02

    CPC classification number: H04R29/00 H03G3/3005

    Abstract: An audio signal processing apparatus and method for processing an audio signal are provided. The audio signal processing apparatus includes a signal detector configured to detect a long-term envelope and a short-term envelope of a lower range signal of an input signal, and a controller configured to control a gain in a beat section of the input signal, wherein the beat section is determined based on the detected long-term envelope and the short-term envelope of the lower range signal.

    Abstract translation: 提供了一种用于处理音频信号的音频信号处理装置和方法。 音频信号处理装置包括:信号检测器,被配置为检测输入信号的较低范围信号的长期包络和短期包络;以及控制器,被配置为控制输入信号的拍子部分中的增益, 其中,基于检测到的长期包络和较低范围信号的短期包络来确定拍子部分。

    Audio output apparatus capable of controlling temperature of voice coil and method thereof
    5.
    发明授权
    Audio output apparatus capable of controlling temperature of voice coil and method thereof 有权
    能够控制音圈温度的音频输出装置及其方法

    公开(公告)号:US09578431B2

    公开(公告)日:2017-02-21

    申请号:US14266204

    申请日:2014-04-30

    CPC classification number: H04R29/00 H04R3/007 H04R29/003

    Abstract: An audio output apparatus and a method are provided, which includes calculating a temperature value of a voice coil of the audio output apparatus using a heat transfer model algorithm, in response to power being supplied to the voice coil; adjusting an output level of an audio signal by determining a gain value to adjust the output level of the audio signal according to the calculated voice coil temperature value, and outputting the audio signal with the adjusted output level.

    Abstract translation: 提供了一种音频输出装置和方法,其包括响应于向音圈供电的功率,使用热传递模型算法计算音频输出装置的音圈的温度值; 通过确定增益值来调整音频信号的输出电平,以根据计算出的音圈温度值来调节音频信号的输出电平,并输出具有调整的输出电平的音频信号。

    Electronic device and control method thereof
    6.
    发明授权
    Electronic device and control method thereof 有权
    电子装置及其控制方法

    公开(公告)号:US09413304B2

    公开(公告)日:2016-08-09

    申请号:US14139907

    申请日:2013-12-24

    CPC classification number: H03F3/02 H03F3/181 H03F3/20 H03F5/00

    Abstract: An electronic device includes an amplifier which is configured to amplify a sound signal and includes a vacuum tube including a heater configured to heat the vacuum tube; a voltage supply which is configured to supply a first voltage and a second voltage which is higher than the first voltage; and a controller which is configured to control the voltage supply to supply the second voltage to the heater in response to supply of a drive voltage to the amplifier being started and to supply the first voltage to the heater if the vacuum tube reaches a predetermined temperature.

    Abstract translation: 电子设备包括放大器,其被配置为放大声音信号,并且包括:真空管,其包括被配置为加热所述真空管的加热器; 被配置为提供高于第一电压的第一电压和第二电压的电压源; 以及控制器,被配置为控制电压供应以响应于向正在启动的放大器提供驱动电压而向加热器提供第二电压,并且如果真空管达到预定温度则将第一电压提供给加热器。

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