Harman International Industries, Incorporated (20240258974). IMPEDANCE ADAPTATION CIRCUIT, AUDIO PROCESSING APPARATUS AND IN-VEHICLE INFOTAINMENT SYSTEM simplified abstract

IMPEDANCE ADAPTATION CIRCUIT, AUDIO PROCESSING APPARATUS AND IN-VEHICLE INFOTAINMENT SYSTEM

Organization Name

Harman International Industries, Incorporated

Inventor(s)

Ebing Shen of Nanshan Shenzhen (CN)

IMPEDANCE ADAPTATION CIRCUIT, AUDIO PROCESSING APPARATUS AND IN-VEHICLE INFOTAINMENT SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240258974 titled 'IMPEDANCE ADAPTATION CIRCUIT, AUDIO PROCESSING APPARATUS AND IN-VEHICLE INFOTAINMENT SYSTEM

The present disclosure pertains to an impedance adaptation circuit, an audio processing apparatus, and an in-vehicle infotainment system. The impedance adaptation circuit is designed to be connected between a head unit and an audio processing circuit, comprising an adaptation resistor and a switching element.

• The adaptation resistor is connected between the first audio output end of the head unit and the first audio input end of the audio processing circuit.
• The switching element is connected between the second audio output end of the head unit and the second audio input end of the audio processing circuit.
• The adaptation resistor has a resistance value within a matched working impedance range of the head unit.

Potential Applications: - Automotive audio systems - Home entertainment systems - Professional audio equipment

Problems Solved: - Ensures proper impedance matching between components - Improves audio quality and performance

Benefits: - Enhanced audio fidelity - Seamless integration of audio components - Improved overall listening experience

Commercial Applications: Title: "Impedance Adaptation Circuit for Enhanced Audio Performance" This technology can be utilized in the automotive industry for in-vehicle infotainment systems, as well as in the consumer electronics sector for audio processing applications.

Questions about Impedance Adaptation Circuit: 1. How does impedance matching impact audio quality? Impedance matching ensures maximum power transfer between audio components, resulting in optimal performance and sound quality. 2. What role does the adaptation resistor play in the circuit? The adaptation resistor helps to match the impedance of the head unit with the audio processing circuit, ensuring efficient signal transfer.

Original Abstract Submitted

the present disclosure relates to an impedance adaptation circuit, an audio processing apparatus and an in-vehicle infotainment system. the impedance adaptation circuit is used for being connected between a head unit and an audio processing circuit, wherein the impedance adaptation circuit includes an adaptation resistor and a switching element; a first end of the adaptation resistor is connected to a first audio output end of the head unit and a first audio input end of the audio processing circuit; a second end of the adaptation resistor is connected to a first end of the switching element; a second end of the switching element is connected to a second audio output end of the head unit and a second audio input end of the audio processing circuit; the adaptation resistor has a resistance value within a matched working impedance range of the head unit.