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FM Broadcast modulator baseband decimation factor

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Emilija Lazdanaite
Emilija Lazdanaite on 29 Mar 2018
Does anyone have experience with the FM Broadcast block in Simulink? I keep getting the error "The signal length (number of rows) must be a multiple of the decimation factor:[...]", but the online explanation of what the decimation factor is is not really clear.

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Answers (1)

Abhishek Ballaney
Abhishek Ballaney on 29 Mar 2018
https://in.mathworks.com/help/comm/ref/fmbroadcastmodulatorbaseband.html

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Emilija Lazdanaite
Emilija Lazdanaite on 29 Mar 2018
yes, I've read the documentation, it does not explain what the decimation factor is. It only says "The input length of the audio signal must be an integer multiple of the audio decimation factor." Is the decimation factor then the audioLength/audioSampleRate? Because the number i get as the decimation factor in the error message is not that ratio.

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