Speech Recognition & Analysis Quiz

What is the predicted percentage of web searches that will be made using voice by 2020?

• 60%

• 50%

• 40%

• 30%

Which AI technology dominates in 2021 and beyond?

• Computer Vision

• Speech Recognition

• Natural Language Processing

• Robotics

What is the primary domain in which speech signals can be represented?

• Amplitude domain

• Spatial domain

• Frequency domain

• Time domain

What is the main purpose of using Voice Activity Detectors (VADs) in speech recognition systems?

• To reduce audio signal to only speech portions

• To enhance speech quality

• To modify speech emotions

• To classify emotional speech

What is the primary function of Hidden Markov Models (HMM) in speech recognition?

• Segmenting speech signal into different speakers

• Matching phonemes to words

• Identifying the most likely word from a sequence of phonemes

• Converting speech signal to text

What is the primary purpose of Spectrogram in speech recognition?

• Synthesizing natural speech from text

• Converting speech to text

• Visual representation of frequency domain of sound

• Identifying speaker's intent

What is the main challenge in speech recognition due to variations in pronunciation?

• Handling emotions in speech

• Handling multiple speakers

• Finding gaps between words

• Dealing with non-unique pronunciations

What is the primary function of amplitude in .wav files?

• Representing frequency domain of sound

• Measuring change in a single period

• Coding format for digital audio

• Storing audio bitstreams on PCs

What is the primary purpose of data collection for Automatic Speech Recognition (ASR) systems?

• Capturing segments of speech with offset and duration

• Recognizing speech from an audio source using various APIs

• Removing noise from audio file

• Exposing systems to large quantities of audio data

What is the primary function of the Speech Recognition package 'pocketsphinx'?

• Removing noise from audio file

• Transcribing audio file

• Capturing segments of speech with offset and duration

• Recognizing speech from an audio source using various APIs