Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Properties of Fourier series II01:21

Properties of Fourier series II

Time scaling of signals is a crucial concept in signal processing that affects the Fourier series representation without altering its coefficients. The process modifies the fundamental frequency, thereby changing how the series represents the signal over time. This principle is essential in various applications, including audio and image processing, where signal manipulation is frequent. Understanding function symmetries is fundamental to simplifying the Fourier series.
A function f(t) is...
Discrete-Time Fourier Series01:20

Discrete-Time Fourier Series

The Discrete-Time Fourier Series (DTFS) is a fundamental concept in signal processing, serving as the discrete-time counterpart to the continuous-time Fourier series. It allows for the representation and analysis of discrete-time periodic signals in terms of their frequency components. Unlike its continuous counterpart, which utilizes integrals, the calculation of DTFS expansion coefficients involves summations due to the discrete nature of the signal.
For a discrete-time periodic signal x[n]...
Discrete Fourier Transform01:15

Discrete Fourier Transform

The Discrete Fourier Transform (DFT) is a fundamental tool in signal processing, extending the discrete-time Fourier transform by evaluating discrete signals at uniformly spaced frequency intervals. This transformation converts a finite sequence of time-domain samples into frequency components, each representing complex sinusoids ordered by frequency. The DFT translates these sequences into the frequency domain, effectively indicating the magnitude and phase of each frequency component present...
Components of Language01:24

Components of Language

Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs. “eh”). Phonemes combine to...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Rb-loss is associated with high malignancy in chondrosarcoma.

Oncology reports·2005
Same author

Pellucid marginal degeneration coexistent with cornea plana in one member of a family exhibiting a novel KERA mutation.

The British journal of ophthalmology·2005
Same author

A fluorometric method for the differentiation of algal populations in vivo and in situ.

Photosynthesis research·2005
Same author

"Best friends" sharing the HMGA1 gene: comparison of the human and canine HMGA1 to orthologous other species.

The Journal of heredity·2005
Same author

Intermittent administration of betalactam-antibiotics for treatment of severe infection in hemodialysis patients.

European journal of medical research·2005
Same author

Pharmacokinetics of teicoplanin during continuous hemofiltration with a new and a 24-h used highly permeable membrane: rationale for therapeutic drug monitoring-guided dosage.

International journal of clinical pharmacology and therapeutics·2004

Related Experiment Video

Updated: Jul 13, 2026

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

[Fractal dimension of speech].

C H Chouard1, B Meyer

  • 1Laboratoire de Recherches ORL, CHU Saint-Antoine-Service ORL-184 rue du Fbg Saint-Antoine-75012 Paris.

Bulletin De L'Academie Nationale De Medecine
|November 23, 2001
PubMed
Summary

Fractal dimension analysis reveals long fricative consonants are fractal, while vowels and plosives are not. Male speech signals exhibit higher fractal dimensions than females, with implications for speech processing and clinical applications.

Area of Science:

  • Acoustics and Signal Processing
  • Phonetics and Speech Science
  • Fractal Geometry

Context:

  • Speech signals possess complex temporal dynamics.
  • Quantifying signal roughness and fluctuations is crucial for understanding speech production.
  • Fractal dimension (D) offers a method to analyze these complex temporal characteristics.

Purpose:

  • To investigate the fractal properties of French phonemes using the box-counting method.
  • To compare fractal dimensions across different phoneme types (vowels, fricatives, plosives, nasals) and speaker demographics (male/female).
  • To explore novel methods for measuring fractal dimensions in short and long temporal signals.

Summary:

  • Vowels and plosive consonants were found to be non-fractal.

More Related Videos

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Multifractal Spectrum Analysis for Assessing Pulmonary Nodule Malignancy
05:24

Multifractal Spectrum Analysis for Assessing Pulmonary Nodule Malignancy

Published on: January 10, 2025

Related Experiment Videos

Last Updated: Jul 13, 2026

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Multifractal Spectrum Analysis for Assessing Pulmonary Nodule Malignancy
05:24

Multifractal Spectrum Analysis for Assessing Pulmonary Nodule Malignancy

Published on: January 10, 2025

  • Long fricative consonants demonstrated fractal characteristics.
  • Male speakers generally exhibited higher fractal dimensions than female speakers for vowels and voiced consonants.
  • Significant differences in 3-point fractal dimension (3pD) were observed between vowels and fricatives, and between nasal consonants and other categories.

    • Impact:

    • Provides insights into the inherent fractal nature of different speech sounds.
    • Suggests potential applications in clinical settings, such as monitoring dysphonia.
    • Offers avenues for improving speech signal processing in auditory prostheses.