Key Concepts from Tone-in-Noise Detection Lecture

These flashcards cover essential vocabulary and concepts related to tone-in-noise detection and auditory processing as discussed in the lecture.

Fletcher's Experiment

A study on tone-in-noise detection regarding auditory filters and signal energy.

Critical Band

The range of frequencies around a target tone in which adjacent frequencies can interfere with its detection.

Level Invariant Detection

Detection ability that remains constant across different levels of a stimulus.

Cadence Model

A model that uses spectra from a leaky integrator to interpret auditory signals.

Phase Locking

The synchronization of neural response to the phase of a sound wave, important for tone detection.

Roving-Level Procedure

A method that alters levels of stimuli to evaluate detection thresholds without clear single-channel cues.

Amplitude Spectrum

A representation of the amplitude of different frequency components in a signal.

Envelope Discrimination

The ability to discern changes in the amplitude envelope of a sound wave.

Transition Bandwidth

The frequency range over which a listener's detection ability may change due to varying modal processing.

Spectral Profile Analysis

An analytical approach that focuses on the frequency components of a sound to determine its characteristics.

Neural Activity

The responses from neurons in the auditory system during auditory processing.

Hearing Thresholds

The minimum signal level required for an observer to detect the presence of a tone.

Temporal Models

Theoretical frameworks that explain how temporal aspects of sound are processed in auditory perception.

Compressive Nonlinearity

An auditory process where louder sounds are perceived with less increase in loudness due to the non-linear response of the ear.

Signal-to-Noise Ratio

A measure comparing the level of a desired signal to the level of background noise.

Surrounding Frequencies

The frequencies adjacent to the target tone that impact its perception and discrimination.