Unknown Organization (20240380374). METHOD AND APPARATUS TO EVALUATE AUDIO EQUIPMENT FOR DYNAMIC DISTORTIONS AND OR DIFFERENTIAL PHASE AND OR FREQUENCY MODULATION EFFECTS simplified abstract
METHOD AND APPARATUS TO EVALUATE AUDIO EQUIPMENT FOR DYNAMIC DISTORTIONS AND OR DIFFERENTIAL PHASE AND OR FREQUENCY MODULATION EFFECTS
Organization Name
Inventor(s)
Ronald Quan of Cupertino CA (US)
METHOD AND APPARATUS TO EVALUATE AUDIO EQUIPMENT FOR DYNAMIC DISTORTIONS AND OR DIFFERENTIAL PHASE AND OR FREQUENCY MODULATION EFFECTS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240380374 titled 'METHOD AND APPARATUS TO EVALUATE AUDIO EQUIPMENT FOR DYNAMIC DISTORTIONS AND OR DIFFERENTIAL PHASE AND OR FREQUENCY MODULATION EFFECTS
Simplified Explanation: The patent application describes a system for analyzing cross-modulation distortion in audio devices using various test signals and additional filters or converters for enhanced examination of distortion effects.
- **Amplitude, phase, and frequency modulation effects can be measured in distortion signals from the audio device.**
- **Musical signals can be used as test signals to analyze distortion.**
- **Additional test signals can induce time-varying cross-modulation distortion signals from the audio device output.**
- **Using additional filters, filter banks, demodulators, frequency converters, or multipliers can provide extra examination of distortion.**
- **Frequency and phase responses can be measured in the presence of de-sensing signals or signals inducing near slew rate limiting or overload conditions.**
- **Modulation index differences between input and output signals for a test signal can be analyzed.**
Potential Applications: This technology can be used in audio equipment testing, quality control in manufacturing, and research and development of audio devices.
Problems Solved: The system addresses the need for accurate analysis of cross-modulation distortion in audio devices, providing a comprehensive examination of distortion effects.
Benefits: The system allows for detailed measurement and analysis of distortion effects, leading to improved audio device performance and quality.
Commercial Applications: The technology can be applied in the audio equipment industry for testing and quality assurance purposes, potentially leading to the development of more reliable and high-performance audio devices.
Prior Art: Prior art related to this technology may include research on distortion analysis in audio devices and signal processing techniques for measuring modulation effects.
Frequently Updated Research: Researchers may be exploring advancements in distortion analysis techniques, filter design for audio devices, and signal processing algorithms for improved measurement accuracy.
Questions about Audio Device Distortion Analysis: 1. How does the system measure amplitude, phase, and frequency modulation effects in distortion signals? 2. What are the potential applications of using musical signals as test signals in analyzing distortion effects?
Original Abstract Submitted
a system is provided to analyze cross-modulation distortion in audio devices, which may include testing with audio frequencies. one or more distortion signals from the audio device may be measured for an amplitude, phase, and or frequency modulation effect. in another embodiment a musical signal may be used as a test signal. providing additional test signals to the audio device can induce a time varying cross-modulation distortion signal from an output of the audio device. utilizing at least one additional filter, filter bank, demodulator and or frequency converter and or frequency multiplier provides extra examination of distortion. frequency and or phase response can be measured with the presence of a de-sensing signal and or another signal that induce near slew rate limiting or near overload condition of a device. another system is provided to analyze modulation index differences between input and output signals for a test signal including modulation.
