Acoustic Echo and Noise Cancellation System for Hand-Free Telecommunication using Variable Step Size Algorithms [PDF]
In this paper, acoustic echo cancellation with doubletalk detection system is implemented for a hand-free telecommunication system using Matlab. Here adaptive noise canceller with blind source separation (ANC-BSS) system is proposed to remove both ...
V. K. Gupta, M. Chandra, S. N. Sharan
doaj +2 more sources
A double-blind pilot randomized controlled trial of topical tranexamic acid after sinus surgery [PDF]
Background: There has been limited study of topical tranexamic acid (TXA) in endoscopic sinus surgery (ESS). We report a pilot study, examining the effects of topical TXA with regards to recovery after ESS.
A.R. Kumar, A.J. Wood
doaj +1 more source
Background: Blinding is one of the critical criteria of clinical trials that prevents probable bias. Judgment regarding results of an intervention significantly depends on the quality of such studies, one of which is blinding.
Pegah Matourypour +6 more
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Clinical Evaluation of Hoe 296 on Dermatomycosis by the Double-Blind Method
Saburo Kagawa
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OROS-methylphenidate to reduce ADHD symptoms in male prisoners aged 16–25 years: a RCT
Background: It is estimated that 20–30% of prisoners meet diagnostic criteria for attention deficit hyperactivity disorder (ADHD). Methylphenidate reduces ADHD symptoms, but its effect among prisoners remains uncertain.
Philip Asherson +21 more
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Background: Intralesional injection of sodium thiosulfate has emerged as a promising therapy for calcinosis cutis, but to our knowledge there are no randomized controlled trials evaluating its efficacy as a treatment.
Amelia R. Winter, BA +5 more
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Premedication Methods in Nasal Endoscopy: A Prospective, Randomized, Double-Blind Study [PDF]
To identify the optimal pharmacological method of preparing patients for nasal endoscopy.Twenty healthy volunteers were enrolled in this prospective, randomized, double-blind study. Four types of medications were applied in their nostrils with binary combinations of spray bottles on four different days in a random order: placebo (normal saline [NS]+NS),
Ketenci, Ibrahim +4 more
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Complementary music therapy for cancer patients in at-home palliative care and their caregivers: protocol for a multicentre randomised controlled trial [PDF]
Background Patients with advanced cancer, receiving at-home palliative care, are subject to numerous symptoms that are changeable and often require attention, a stressful situation that also impacts on the family caregiver.
Barón López, Francisco Javier +5 more
core +1 more source
Background Viral diseases are a major cause of morbidity and mortality in puppies. There is a belief among veterinary practitioners and even educational institutions that the vaccines made in Brazil against canine distemper virus (CDV), canine parvovirus
Rafes D. S. Cunha +4 more
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Efficacy and safety of two pH-dependent-release mesalamine doses in moderately active ulcerative colitis: a multicenter, randomized, double-blind, parallel-group study [PDF]
Background/AimsThe therapeutic effect of mesalamine is considered to be dose-dependent; however, no consensus has been reached regarding the optimal doses for individual patients.
Yasuo Suzuki +4 more
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