Purpose: To compare multichannel amplification within a cellular phone system to a standard cellular phone response.
Research Design: Three cellular phone speech-encoding strategies were evaluated: a narrow-band (3.5 kHz upper cutoff) enhanced variable-rate coder (EVRC), a narrow-band selectable mode vocoder (SMV), and a wide-band SMV (7.5 kHz cutoff). Because the SMV encoding strategies are not yet available on phones, the processing was simulated using a computer. Individualized-amplification settings were created using NAL-NL1 (National Acoustic Laboratories--Non-linear 1) targets. Overall gain was set at preferred listening levels for both the individualized-amplification setting and the standard cellular phone setting for each of the three encoders. Phoneme-recognition scores and subjective ratings (listening effort, overall quality) were obtained in quiet and in noise. Stimuli were played from loudspeakers in one room, picked up by a microphone connected to a (transmitting) computer, and sent over the Internet to a receiving computer in an adjacent room, where the signal was amplified and delivered monaurally.
Study Sample: Fourteen participants with hearing loss.
Results: Phoneme scores and subjective ratings were significantly higher for the individualized-amplification setting than for the standard setting in both quiet and noise. There were no significant differences among the cellular phone encoding strategies for any measure.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2784660 | PMC |
| http://dx.doi.org/10.3766/jaaa.20.2.4 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The role of impulsivity and emotional dysregulation in smartphone overdependence explored through network analysis.
Sci Rep
January 2025
Department of Psychology, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeonbuk, 54896, Republic of Korea.
Smartphone overdependence is a maladaptive behavior characterized by excessive and uncontrollable smartphone use despite negative consequences. Impulsivity and emotional dysregulation, which are multidimensional constructs with each factor exerting a different effect, have been found to influence the development and persistence of smartphone overdependence. This study utilized network analysis to investigate the intricate relationships between the factors of impulsivity, emotional dysregulation, and smartphone overdependence.
View Article and Find Full Text PDFEfficacy of the Roy Adaptation Model with smartphone training in reducing urinary tract infection in pediatric clean intermittent catheterization: a prospective study.
Eur J Pediatr
January 2025
Pediatric Nephrology AB, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
Purpose: Study aimed to compare incidence of urinary tract infection (UTI), type of bacteria grown, development of antibiotic resistance over 2 years in children whose caregivers underwent training based on the Roy Adaptation Model with an android phone application for patients clean intermittent catheterization (RAMACIC) versus those whose caregivers received routine training in hospital.
Method: This study was conducted as a descriptive, prospective study with 40 patients and caregivers between October 2021 and 2023 as a continuation of a previously conducted randomized controlled experimental study by the researchers. Data were collected the "Participant Form," and "Urine Test Form" analyzed with the SPSS 22 package.
Ultra-high-frequency Ultrasound in the Objective Assessment of Chlormethine Gel Efficacy: A Case Report.
Acta Dermatovenerol Croat
November 2024
Agata Janowska, MD, Department of Dermatology, , University of Pisa, Via Roma 67, 56126, Pisa, Italy; Phone: +39 050 992436, Fax: +39 050 992556,
Mycosis fungoides (MF) represent the most frequent form of cutaneous T-cell lymphoma (CTCL). Chlormethine gel has been approved as first-line therapy in MF. The classification of early forms of MF is clinically and histologically complex even for experienced clinicians.
View Article and Find Full Text PDFQuantitative investigation of a 3D bubble trapper in a high shear stress microfluidic chip using computational fluid dynamics and L*A*B* color space.
Biomed Microdevices
January 2025
Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 111 Suwannabhumi Canal Rd, Bang Pla, Bang Phli District, Samut Prakan, 10540, Thailand.
Microfluidic chips often face challenges related to the formation and accumulation of air bubbles, which can hinder their performance. This study investigated a bubble trapping mechanism integrated into microfluidic chip to address this issue. Microfluidic chip design includes a high shear stress section of fluid flow that can generate up to 2.
View Article and Find Full Text PDFUpdates on Methods for Body Composition Analysis: Implications for Clinical Practice.
Curr Obes Rep
January 2025
Metabolism and Body Composition, Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA.
Background: Recent technological advances have introduced novel methods for measuring body composition, each with unique benefits and limitations. The choice of method often depends on the trade-offs between accuracy, cost, participant burden, and the ability to measure specific body composition compartments.
Objective: To review the considerations of cost, accuracy, portability, and participant burden in reference and emerging body composition assessment methods, and to evaluate their clinical applicability.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!