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

Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

131
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
131
Phase-lead and Phase-lag Controllers01:22

Phase-lead and Phase-lag Controllers

217
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
217
Time and frequency -Domain Interpretation of Phase-lag Control01:21

Time and frequency -Domain Interpretation of Phase-lag Control

145
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
145
Frequency-Domain Interpretation of PD Control01:24

Frequency-Domain Interpretation of PD Control

170
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
170
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

174
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
174
Gain01:15

Gain

224
Gain and phase shift are properties of linear circuits that describe the effect a circuit has on a sinusoidal input voltage or current. The circuit's behavior that contains reactive elements will depend on the frequency of the input sinusoid. As a result, it is observed that the gain and phase shift will all be frequency functions.
Gain:
Suppose Vin is the input and Vout is the output signal to a circuit.
224

You might also read

Related Articles

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

Sort by
Same author

Theoretical and Experimental Characterization of Cochlear-Implant Stimulation Artifacts in EEG Recordings.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026
Same author

Insights into the multi-factorial nature of reading difficulties: exploring phonological, visual, and attentional challenges in children.

Journal of communication disorders·2025
Same author

ALICE: Improved Speech in Noise Understanding with Self-guided Hearing Care.

Trends in hearing·2025
Same author

Longitudinal Developmental Outcomes of Children With Prelingual Single-Sided Deafness With and Without a Cochlear Implant and Recommendations for Follow-Up.

Ear and hearing·2025
Same author

Speech Understanding in Noise Under Different Attentional Demands in Children With Typical Hearing and Cochlear Implants.

Ear and hearing·2025
Same author

Enhanced detection of envelope-following responses for objective fitting of cochlear-implant users.

Journal of neural engineering·2025
Same journal

Mind the gender gap: how defining head trauma increases reporting in women aged 30-50.

Frontiers in neurology·2026
Same journal

Traditional Chinese medicine interventions for post-stroke cognitive impairment: an evidence mapping.

Frontiers in neurology·2026
Same journal

Acupuncture is independently associated with improved recovery in Guillain-Barré syndrome: a prospective observational study.

Frontiers in neurology·2026
Same journal

A convergence of global epidemics: diabetes as a modulator of neurodegenerative and neuro-inflammatory disorders.

Frontiers in neurology·2026
Same journal

Lumbar puncture opening pressure, brain network hub integrity, and delirium in herpes simplex virus encephalitis: a prospective cohort study.

Frontiers in neurology·2026
Same journal

Sleep deprivation: a comprehensive review of multisystem impacts, underlying mechanisms, and emerging interventions.

Frontiers in neurology·2026
See all related articles

Related Experiment Video

Updated: Aug 31, 2025

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

522

Evaluation of phase-locking to parameterized speech envelopes.

Wouter David1, Robin Gransier1, Jan Wouters1

  • 1ExpORL, Department of Neurosciences, KU Leuven, Leuven, Belgium.

Frontiers in Neurology
|August 22, 2022
PubMed
Summary
This summary is machine-generated.

The Temporal Speech Envelope Tracking (TEMPEST) framework effectively measures auditory processing of speech envelopes. This new method shows strong correlations between neural responses to speech-like and sinusoidal stimuli, aiding speech perception research.

Keywords:
auditory steady-state responses (ASSR)envelope encodingenvelope modulationsspeech processingtemporal processing

More Related Videos

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

1.6K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.9K

Related Experiment Videos

Last Updated: Aug 31, 2025

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

522
Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

1.6K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.9K

Area of Science:

  • Auditory Neuroscience
  • Speech Processing
  • Neuroimaging

Background:

  • Speech perception relies on auditory temporal processing, particularly envelope modulations below 20 Hz.
  • Existing methods for studying neural responses to speech envelopes have limitations in distinguishing acoustic processing from higher-order linguistic processing.
  • Current techniques using sinusoidal amplitude-modulated stimuli yield variable results across listeners and frequencies.

Purpose of the Study:

  • To validate the Temporal Speech Envelope Tracking (TEMPEST) framework for assessing neural processing of speech envelope modulations.
  • To investigate the correlation between neural activity evoked by speech-like stimuli and traditional sinusoidal amplitude-modulated stimuli.
  • To compare different metrics for analyzing neural responses and their interrelations.

Main Methods:

  • Proof-of-concept study using the TEMPEST framework with stimuli featuring speech-like envelope modulations.
  • Stimuli modulated at frequency bands relevant to syllable and phoneme rates were employed.
  • Phase-locked neural activity was recorded and analyzed using both power- and phase-based metrics.

Main Results:

  • A strong correspondence was observed between neural activity evoked by speech-like stimuli and sinusoidal amplitude-modulated stimuli across normal-hearing listeners.
  • Significant agreement was found between different power- and phase-based metrics, simplifying cross-study comparisons.
  • The results demonstrate the reliability of the TEMPEST framework in assessing neural envelope processing.

Conclusions:

  • The TEMPEST framework provides an efficient and reliable method for evaluating the brain's ability to process temporal envelope modulations crucial for speech perception.
  • The framework's ability to yield consistent results across different metrics and stimulus types enhances comparability in auditory neuroscience research.
  • This study supports the potential of TEMPEST for future investigations into auditory temporal processing and its role in communication.