Master Acoustic Phonetics: Dive into Speech Sounds and Properties

Question 1

Which instrument is commonly used to measure the intensity of sound?

Accepted Answer

Sound level meter

Answer

Audiometer

Answer

Oscilloscope

Answer

Spectrogram

Question 2

Acoustically, voiced consonants differ from voiceless consonants in that voiced consonants:

Accepted Answer

Are produced with vocal cord vibration.

Answer

Have higher intensity.

Answer

Have longer duration.

Answer

Have lower frequency.

Question 3

The fundamental frequency of a sound wave is:

Accepted Answer

The lowest frequency present in the sound.

Answer

The highest frequency present in the sound.

Answer

The average frequency of the sound.

Answer

The frequency with the greatest amplitude.

Question 4

A spectrogram differs from an oscillogram in that a spectrogram:

Accepted Answer

Displays frequency over time.

Answer

Displays amplitude over time.

Answer

Displays both frequency and amplitude over time.

Answer

Is a visual representation of sound.

Question 5

Which of the following acoustic cues plays a crucial role in vowel identification?

Accepted Answer

Formant frequencies

Answer

Fundamental frequency

Answer

Intensity

Answer

Duration

Question 6

The acoustic correlate of voicing in vowels is:

Accepted Answer

Fundamental frequency

Answer

Duration

Answer

Intensity

Answer

Formant frequencies

Question 7

For measuring the intensity level of speech sounds, the standard tool is a:

Accepted Answer

Sound Level Meter

Answer

Spectrogram

Answer

Oscilloscope

Answer

Laryngeal Electroglottograph

Question 8

When measuring the duration of a speech sound, the typical unit of measurement is the:

Accepted Answer

Millisecond

Answer

Second

Answer

Centisecond

Answer

Minute

Question 9

The technique that provides a visual representation of the frequency and intensity of speech sounds over time is called:

Accepted Answer

Spectrography

Answer

Waveform Analysis

Answer

Electroglottography

Answer

Laryngoscopy

Question 10

Which acoustic property of speech determines how loud a sound is perceived to be?

Accepted Answer

Intensity

Answer

Frequency

Answer

Duration

Question 11

Which acoustic property is NOT a fundamental characteristic of speech sounds?

Accepted Answer

Timbre

Answer

Frequency

Answer

Intensity

Answer

Duration

Question 12

Which instrument is used to accurately measure the intensity (loudness) of sound?

Accepted Answer

Sound level meter

Answer

Spectrometer

Answer

Oscilloscope

Answer

Laryngograph

Question 13

Which acoustic property is primarily responsible for the perception of sound pitch?

Accepted Answer

Frequency (Hertz)

Answer

Loudness

Answer

Duration (milliseconds)

Answer

Nasality (resonance)

Question 14

Which formant, denoted as F1, is characteristically associated with the vowel sound /i/?

Accepted Answer

F1

Answer

F2

Answer

F3

Answer

F4

Question 15

Which of the following is NOT considered a fundamental acoustic parameter in the study of phonetics?

Accepted Answer

Meaning

Answer

Frequency

Answer

Intensity

Answer

Duration

Question 16

The process of converting continuous sound signals into digital representations is known as:

Accepted Answer

Digitization

Answer

Analogization

Answer

Quantification

Answer

Sampling

Question 17

Which acoustic feature is characteristic of voiced speech sounds, such as vowels and voiced consonants?

Accepted Answer

Regular glottal pulses

Answer

Presence of formants

Answer

Absence of frication noise

Answer

Predominance of high-frequency components

Question 18

Which field of study focuses on the acoustic properties of speech sounds, their production, and perception?

Accepted Answer

Acoustic phonetics

Answer

Articulatory phonetics

Answer

Auditory phonetics

Answer

Phonetic analysis

Question 19

The standard unit of measurement for sound frequency is:

Accepted Answer

Hertz (Hz)

Answer

Decibels (dB)

Answer

Meters (m)

Answer

Seconds (s)

Question 20

The intensity of a sound wave is directly proportional to its:

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Duration

Answer

Frequency

Question 21

In acoustic phonetics, the term 'formant' refers to:

Accepted Answer

A frequency region where speech sounds exhibit increased sound energy

Answer

A silent interval between speech sounds

Answer

A unit of time measurement

Question 22

A practical application of acoustic phonetics in speech therapy is:

Accepted Answer

Diagnosing and treating speech disorders by analyzing acoustic patterns

Answer

Designing language learning materials for pronunciation improvement

Answer

Creating musical instruments with unique sound qualities

Answer

Developing forensic techniques for voice identification

Question 23

The primary use of acoustic analysis in forensic phonetics is:

Accepted Answer

Identifying and comparing individual voice characteristics

Answer

Teaching pronunciation to second language learners

Answer

Analyzing the acoustics of musical performances

Answer

Transcribing historical recordings with poor sound quality

Question 24

A limitation of acoustic analysis in linguistics is that it:

Accepted Answer

Cannot provide information about the intended meaning or communicative intent of speech.

Answer

Is only applicable to voiced sounds

Answer

Requires specialized equipment and expertise to conduct