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Error Correction
The setup of Multi-Frequency Signaling in the app improved data-transfer speed, achieving 100 to 200 baud based on frequency spectrum, signal duration, and FFT size. Code configurations involved channel oscillators, bit transmission across channels, and error correction implementation. Challenges included signal stability and error rate optimization. Atari’s cassette drive provided insights into historical data-transfer methods. Read More
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Multi-Frequency Signaling
I successfully detected binary data in audio signals using FSK modulation. After exploring optimal frequencies and FFT sizes, I achieved a transfer rate of 450 baud. I employed Frequency Diversity and Spread Spectrum techniques for better reliability. Investigated touch-tone telephone frequencies and DTMF signals for modulation. Explored Nyquist Frequency and its impact on signal processing.… Read More