Guitar Signal Processing via Handheld Computing Device
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Solution Overview
Problem
Current portable battery-powered practice guitar amplifiers have low sound quality and limited features, and are often expensive due to the need for advanced computing hardware and battery technology, while portable handheld computing devices with high-performance capabilities are not effectively utilized for guitar signal amplification and processing.
Innovation Solution
A software application executable on portable battery-powered handheld computing devices that amplifies and processes electric guitar signals, using the device's capabilities for audio signal input, output, processing, and storage to provide adjustable effects and mix with pre-recorded music, coupled with a novel audio coupling device that connects the guitar directly to the device without adapters, and includes a buffer amplifier circuit to address impedance issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If portable battery-powered practice guitar amplifiers use basic hardware, then portability and battery operation are achieved, but sound quality and features are limited
Solution Approach 1:
The patent replaces the traditional mechanical amplifier hardware system with a software-based digital signal processing system running on a portable computing device. The guitar amplifier functionality is implemented through software applications that process audio signals digitally, substituting physical amplifier components with computational algorithms while maintaining portability and battery operation.
2Measurement precision
If portable battery-powered practice guitar amplifiers use advanced computing hardware, then sound quality and features are improved, but cost increases significantly
Solution Approach 1:
The patent leverages the universal capabilities of modern portable computing devices (smartphones, tablets, laptops) that already possess high-performance processors, digital signal processing abilities, and audio I/O capabilities. By designing software that utilizes these existing multi-functional components, the invention achieves high-quality guitar amplification without requiring dedicated expensive amplifier hardware, thereby reducing cost while maintaining sound quality.
3Power
If portable battery-powered practice guitar amplifiers use advanced battery technology, then performance is improved, but cost increases significantly
Solution Approach 1:
The patent designs the software application to be highly efficient in its use of the computing device's existing battery power. Through optimized digital signal processing algorithms and efficient code execution, the software maximizes performance within the constraints of standard battery-powered portable devices, eliminating the need for expensive advanced battery technology while maintaining high-performance amplification capabilities.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a high-performance practice guitar amplifier with enhanced sound quality and features, allowing users to interact with pre-recorded music and demonstrate signal processing capabilities, while being cost-effective and portable.
Implementation Method 1
exemplary embodiments of a novel audio coupling device are also disclosed herein. The audio coupling device may couple an electric guitar and, if desired, headphones, to a handheld computing device. The audio coupling device may be configured to mechanically couple the guitar and the handheld computing device without any instrument or audio cable adaptors.
Data Source
AI summary
Systems and methods for processing a signal of an electric guitar are provided. An input guitar signal is received by a portable handheld computing device. The input guitar signal is processed using the digital signal. The combined guitar output is transmitted.