# Engineering - DSP Interview Questions

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“Write a c functions that takes two bit indices and an int, and reverses the bits in the int between the two indices.” |

“Difference b/w impulse invariant Transform method and BLT.” |

“I didn't expect questions about acoustics.” |

“Given 2 32 bit numbers, how do u multiply them using 8bit multipliers?” |

1 of 1 found helpful |

“qtns abt OFDM, qtns abt cyclic prefix, qtns abt wideband channel, qtns abt block convolution: overlap save” |

“Given 25 red balls & 25 blue balls. Arrange them in 2 bowls such that when a ball is picked randomly from one of bowls, the probability of picking red ball is maximum??” |

“Swap two numbers without using a temporary variable” |

“What is the Z-transform of y[n] = x[n] + 2x[n-1]?” |

“I was expecting a purely technical interview but I was asked a host of behavioral questions which threw me off guard.” |

“How to estimate 16QAM threshold” |

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