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ADDA
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Is the failure to remove the carrier frequencies the problem with the audio output in the following videos?
Tom.G said:more analysis
Tom.G said:Can you make the recording(s) available at a high sample rate in .WAV format?
ADDA said:The frequencies were not scaled properly. Meaning that as I demodulated the signal on the bottom, the program would expect a low carrier signal or band to store data from a uniform distribution of the four or two bands in the above deleted videos. What was needed is a biased distribution of the initial gray background data.
Ahh! That explains it. At this point I'm lost. Hopefully some signal processing experts can jump in here.ADDA said:I'm studying a digital signal processing book, and making progress on my own,
Tom.G said:I got a GOOD laugh out of that!
A carrier signal is a high-frequency electromagnetic wave that is used to carry information, such as audio or video signals. It is modulated with the information signal to transmit the desired data.
The carrier signal is modulated with the audio waveform by varying its amplitude, frequency, or phase in accordance with the audio signal. This allows the audio signal to be encoded onto the carrier signal for transmission.
Demodulation is the process of extracting the original audio waveform from the modulated carrier signal. This is necessary in order to listen to or decode the transmitted audio signal.
There are several demodulation techniques, including amplitude demodulation (AM), frequency demodulation (FM), and phase demodulation (PM). Each technique has its own advantages and is used for different types of audio signals.
The quality of the demodulated audio signal depends on the accuracy of the demodulation process. If the demodulation is done correctly, the quality of the transmitted audio signal will be maintained. However, if there are errors or distortions during demodulation, it can result in a lower quality audio signal.