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netherite
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portable-acoustic-sdr
A portable implementation of an acoustic software-defined radio teaching project that replaces the original Raspberry Pi-specific Simulink hardware support with standard Linux gcc compilation, ALSA, and pthread, enabling two experiments (single-frequency test and chirp spread spectrum communication) on any Linux platform.
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License
GPL-3.0
Last updated
2026-06-29
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FR-AI / ANALYSISWhy it is worth attention
It demonstrates how to decouple a complex hardware-dependent Simulink model from its proprietary support package, making it runnable on diverse Linux hardware with minimal dependencies, which is valuable for educational and embedded SDR work.
Who it is for
- Students learning software-defined radio and digital communications
- Linux embedded system developers looking for portable SDR examples
- Educators teaching wireless communication with hands-on experiments
- Hobbyists interested in acoustic communication using standard Linux audio
Use cases
- Testing single-tone acoustic signals on any Linux device with a microphone
- Implementing chirp spread spectrum communication for short-range data transmission
- Learning how to port MATLAB/Simulink models to standalone C code
- Using as a base for further acoustic SDR experiments on low-cost ARM boards
Strengths
- Fully portable across Linux platforms (x86, Raspberry Pi, Jetson, Orange Pi) with only libasound and pthread dependencies
- Detailed step-by-step documentation including deployment, compilation, testing, and decoding
- Modular structure separating shared low-level ALSA I/O from experiment-specific code
- Based on a known teaching project with practical experiments and includes original Simulink backups
Considerations
- Requires microphone and speaker hardware, limiting to acoustic (audible) frequencies, not RF SDR
- Original project has unknown license (all rights reserved) for the underlying design, potentially constraining redistribution
- Only two experiments currently available, may not cover advanced SDR concepts beyond chirp
README quick start
快速开始
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