Test your entry level to ASR

Question 1

What is this equation?

Accepted Answer

Combination of observations and prior probabilities, Formula to compute posterior probability, The famous Bayes' Rule

Question 2

What are phonemes?

Accepted Answer

Classification of speech sounds by place of articulation, Linguistic abstractions of speech sounds, Basic units of pronunciation

Question 3

What other skills do you have?

Accepted Answer

None of the above, but I work hard and learn quickly., Programming in C, C++ or Java, Matlab and several toolboxes, Statistical tests to validate hypothesis using observed data

Question 4

What is this graph?

Accepted Answer

Sequence of short-time spectra, Time-frequency representation of an acoustic signal, Speech spectrogram

Question 5

What are morphemes?

Accepted Answer

The smallest meaningful units in language, segments of words: stems (roots), suffixes or prefixes

Question 6

What does the Discrete Fourier Transform (DFT or FFT) do?

Accepted Answer

Estimates the spectrum of a signal, Transforms a discrete signal into frequency domain

Question 7

What is this function?

Accepted Answer

A multidimensional Gaussian distribution, There is an error in the equation, A probability density function

Question 8

What is a filter bank?

Accepted Answer

Set of band-pass filters used to manipulate a signal, Tool to extract frequency components from a signal

Question 9

You have a large text file. How can You count the frequency of all word pairs?

Accepted Answer

Write a perl/python scripts to read, store and add counters, Make a computer program to process text and statistics, Use unix/linux to print pairs, sort and count duplicates

Test your entry level to ASR

Questions 9

Test your entry level to ASR

Questions 9