Digital Emulation of Distortion Effects by Wave and Phase Shaping Methods

This paper will consider wave and phase signal shaping techniques for the digital emulation of distortion effect processing. We examine in detail how to determine the wave and phase shaping functions with harmonic amplitude data only first, and then after including the harmonic phase data. Three distortion effects units are used to provide test data. Wave and phase shaping functions for the emulation of these effects are derived with the assistance of a super-resolution frequency-domain analysis technique. In complement to this, we describe an alternative time domain method for determining phase shaping functions using Dynamic Time Warping. Finally, we propose a method for assessing the frequency dependency of distortion effects to help the design of multiband wave and phase shaping functions

Singing-Blocks: Considerations for a Virtual Reality Game to create chords and progressions

Harmony and Chord progressions are the foundational architecture of a number of genres of Western music, from Classical, to Jazz, to popular music. For any musician, mastering the rules can be an important step in learning the skills of composition. The rules are difficult to learn, however. There have been efforts to create innovative educational software displays but to date Virtual Reality (VR) systems have not been investigated. The innately physical nature of VR creates an immersive experience that is impossible with other approaches. This work explains our concept of a VR educational game for young adult learners upwards of certain Western music genres. It draws subtle analogies to the architecture of harmony by presenting a number of levels in which the user builds chords and progressions. The aim is that they journey towards interacting creatively with the harmonics representation. Suggestions are also given as to how an effective evaluation procedure may be carried out in the future

Singing-Blocks: Considerations for a Virtual Reality Game to create chords and progressions

Harmony and Chord progressions are the foundational architecture of a number of genres of Western music, from Classical, to Jazz, to popular music. For any musician, mastering the rules can be an important step in learning the skills of composition. The rules are difficult to learn, however. There have been efforts to create innovative educational software displays but to date Virtual Reality (VR) systems have not been investigated. The innately physical nature of VR creates an immersive experience that is impossible with other approaches. This work explains our concept of a VR educational game for young adult learners upwards of certain Western music genres. It draws subtle analogies to the architecture of harmony by presenting a number of levels in which the user builds chords and progressions. The aim is that they journey towards interacting creatively with the harmonics representation. Suggestions are also given as to how an effective evaluation procedure may be carried out in the future

The Percutaneous Nephrolithotomy Global Study: Classification of Complications

Purpose: This study evaluated postoperative complications of percutaneous nephrolithotomy (PCNL) and the influence of selected factors on the risk of complications using the Clinical Research Office of the Endourological Society (CROES) PCNL Global Study database. Patients and Methods: The CROES PCNL Global Study collected prospective data for consecutive patients who were treated with PCNL at centers around the world for 1 year. Complications were evaluated by the modified Clavien classification system. Results: Of 5724 patients with Clavien scores, 1175 (20.5%) patients experienced one or more complications. The most frequent complications were fever and bleeding. Urinary leakage, hydrothorax, hematuria, urinary tract infection, pelvic perforation, and urinary fistula also occurred in >= 20 patients in each group. The majority of complications (n = 634, 54.0%) were classified as Clavien grade I. Two patients died in the postoperative period. The largest absolute increases in mean Clavien score were associated with American Society of Anesthesiologists (ASA) physical status classification IV (0.75) or III (0.34), anticoagulant medication use (0.29), positive microbiologic culture from urine (0.24), and the presence of concurrent cardiovascular disease (0.15). Multivariate regression analysis revealed that operative time and ASA score were significant predictors of higher mean Clavien scores. Conclusion: The majority of complications after PCNL are minor. Longer operative time and higher ASA scores are associated with the risk of more severe postoperative complications in PCNL

Continuous low-dose antibiotic prophylaxis for adults with repeated urinary tract infections (AnTIC): a randomised, open-label trial

Funder: UK National Institute for Health Research. Open Access funded by Department of Health UK Acknowledgments We thank all the participants for their commitment to the study, Sheila Wallace for updating the systematic review, members of the Trial Steering Committee and members of the Data Monitoring Committee for their valuable guidance. We thank the National Health Service organisations, principal investigators and local research staff who hosted and ran the study at site. We thank the Health Technology Assessment Programme of the UK NIHR for funding the study (no. 11/72/01). The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Government Department of Health. A full report of the study30 has been published by the NIHR Library.Peer reviewedPublisher PD

Continuous low-dose antibiotic prophylaxis to prevent urinary tract infection in adults who perform clean intermittent self-catheterisation: the AnTIC RCT

Peer reviewedPublisher PD

Digital Emulation of Distortion Effects by Wave and Phase Shaping Methods

This paper will consider wave and phase signal shaping techniques for the digital emulation of distortion effect processing. We examine in detail how to determine the wave and phase shaping functions with harmonic amplitude data only first, and then after including the harmonic phase data. Three distortion effects units are used to provide test data. Wave and phase shaping functions for the emulation of these effects are derived with the assistance of a super-resolution frequency-domain analysis technique. In complement to this, we describe an alternative time domain method for determining phase shaping functions using Dynamic Time Warping. Finally, we propose a method for assessing the frequency dependency of distortion effects to help the design of multiband wave and phase shaping functions

Digital Emulation of Distortion Effects by Wave and Phase Shaping Methods

This paper will consider wave and phase signal shaping techniques for the digital emulation of distortion effect processing. We examine in detail how to determine the wave and phase shaping functions with harmonic amplitude data only first, and then after including the harmonic phase data. Three distortion effects units are used to provide test data. Wave and phase shaping functions for the emulation of these effects are derived with the assistance of a super-resolution frequency-domain analysis technique. In complement to this, we describe an alternative time domain method for determining phase shaping functions using Dynamic Time Warping. Finally, we propose a method for assessing the frequency dependency of distortion effects to help the design of multiband wave and phase shaping functions

Digital Emulation of Distortion Effects by Wave and Phase Shaping Methods

This paper will consider wave and phase signal shaping techniques for the digital emulation of distortion effect processing. We examine in detail how to determine the wave and phase shaping functions with harmonic amplitude data only first, and then after including the harmonic phase data. Three distortion effects units are used to provide test data. Wave and phase shaping functions for the emulation of these effects are derived with the assistance of a super-resolution frequency-domain analysis technique. In complement to this, we describe an alternative time domain method for determining phase shaping functions using Dynamic Time Warping. Finally, we propose a method for assessing the frequency dependency of distortion effects to help the design of multiband wave and phase shaping functions