Portable Guitar Signal Processing via Handheld Computing
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Solution Overview
Problem
Current portable battery-powered practice guitar amplifiers have low sound quality and limited features, and are either expensive due to advanced hardware requirements or inexpensive with subpar performance, while portable handheld computing devices possess high-performance capabilities that are not effectively utilized for guitar signal processing.
Innovation Solution
A software application executable on portable handheld computing devices that amplifies and processes electric guitar signals, incorporating features like volume control, distortion, tone shaping, and reverb, along with a novel audio coupling device for direct connection to the guitar and headphones without adapters, leveraging the devices' capabilities for enhanced sound processing and interaction with digitally encoded music files.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of stationary object
If portable battery-powered practice guitar amplifiers use low-cost hardware, then portability and cost are improved, but sound quality and features deteriorate
Solution Approach 1:
The patent replaces the traditional analog amplifier hardware system with a digital processing system. The guitar amplifier functionality is implemented through software running on a portable computing device, substituting mechanical/electronic analog circuits with digital signal processing algorithms. This allows high-quality audio processing capabilities to be achieved in a portable form factor without requiring expensive analog amplifier hardware.
2Manufacturing precision
If portable battery-powered practice guitar amplifiers use high-performance hardware, then sound quality and features are improved, but cost and device complexity increase
Solution Approach 1:
The patent leverages the universal capabilities of portable computing devices (processors, memory, storage, display, user interface) to perform guitar amplification functions. Instead of designing a dedicated amplifier with specialized hardware, the invention uses the existing multi-functional computing platform to execute guitar signal processing software, thereby avoiding the need for complex amplifier-specific hardware while achieving high sound quality.
3Productivity
If portable handheld computing devices are used for guitar signal processing, then processing capability and features are improved, but connection complexity increases due to varying designs
Solution Approach 1:
The patent introduces an audio interface circuit as an intermediary component that bridges the guitar and the portable computing device. This interface handles the analog-to-digital conversion and signal conditioning, providing a standardized connection point that works across different computing device models and designs, thereby simplifying the overall connection complexity despite varying device architectures.
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 through the portable handheld computing device.