GUANGZHOU TOPPING TECHNOLOGY CO., LTD. (20240235493). Feedforward Amplifier Circuit, Audio Amplifier and Audio Playing Device simplified abstract

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Feedforward Amplifier Circuit, Audio Amplifier and Audio Playing Device

Organization Name

GUANGZHOU TOPPING TECHNOLOGY CO., LTD.

Inventor(s)

Yueqiu He of Guangdong (CN)

Hetian Yang of Guangdong (CN)

Feedforward Amplifier Circuit, Audio Amplifier and Audio Playing Device - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240235493 titled 'Feedforward Amplifier Circuit, Audio Amplifier and Audio Playing Device

The patent application describes a feedforward amplifier circuit, audio amplifier, and audio playing device that utilize a main amplifier circuit, adder circuit, sub-amplifier circuit, and subtractor circuit to correct distortion in the output signal.

  • The main amplifier circuit introduces distortion to the input signal and feeds it into the adder and subtractor circuits for feedforward correction.
  • The sub-amplifier circuit amplifies a second input signal and acts as the positive input for the subtractor circuit, ensuring signal gain consistency with the main amplifier.
  • The subtractor circuit reversely amplifies the distorted signal and performs feedforward correction to eliminate distortion.
  • The adder circuit combines the distorted signal from the main amplifier with the corrected signal from the subtractor to output a distortion-free signal.

Potential Applications: - High-fidelity audio systems - Professional sound equipment - Home theater systems

Problems Solved: - Elimination of distortion in audio signals - Consistent signal gain across amplification stages

Benefits: - Improved audio quality - Enhanced listening experience - Precise signal correction

Commercial Applications: Title: Advanced Audio Amplification Technology for High-End Sound Systems This technology can be used in premium audio equipment for audiophiles, recording studios, concert venues, and home entertainment systems. The market implications include increased demand for high-quality audio products and potential partnerships with audio equipment manufacturers.

Prior Art: Researchers can explore prior art related to feedforward amplifier circuits, audio signal processing, and distortion correction techniques in audio amplification systems.

Frequently Updated Research: Stay updated on advancements in audio signal processing, amplifier design, and feedforward correction algorithms to enhance the performance of audio systems.

Questions about the Technology: 1. How does this technology compare to traditional feedback amplifier circuits? 2. What are the key components that contribute to the distortion correction in this system?


Original Abstract Submitted

provided are feedforward amplifier circuit, audio amplifier and audio playing device, including: a main amplifier circuit, an adder circuit, a sub-amplifier circuit and a subtractor circuit, wherein the main amplifier circuit adds distortion to a first input signal to output a distorted signal, and inputs the distorted signal to the adder circuit and the subtractor circuit for performing feedforward correction; the sub-amplifier circuit amplifies a second input signal and serves as a positive input of the subtractor, so that a signal gain output by the subtractor is equal to a signal gain of the main amplifier; the subtractor circuit, with the distorted signal as a negative input, reversely amplifies the distorted signal and afterwards performs feedforward; and the adder circuit superimposes the distorted signal output by the main amplifier circuit and the reversely amplified distorted signal output by the subtractor, so as to output a distortion-free signal.