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Liira Manu - One of the best experts on this subject based on the ideXlab platform.

  • Onko musiikkia boksin ulkopuolella? : musiikin analogisen ja digitaalisen äänittämisen ja äänenkäsittelyn eri puolet
    2021
    Co-Authors: Liira Manu
    Abstract:

    Musiikin äänittämisen digitalisoiduttua on analoginen äänitys- ja tuotantotapa jäänyt marginaaliseen asemaan. Niillä on kuitenkin vankat kannattajansa äänityön kentällä, koska se tarjoaa erilaisen työtavan ja erityisen soundin. Tässä opinnäytetyössä tutkittiin musiikin digitaalisen ja analogisen äänittämisen ja miksaamisen teknisiä, tuotannollisia ja taiteellisia eroja, teorian ja käytännön tasolla. Tutkimuskysymys on, minkälaisia hyötyjä vanhemmilla äänentallennustekniikoilla voi olla nykypäivän digitaalisessa äänitysympäristössä. Tapaustutkimuksena sama pop/rock-tyylinen sävellys äänitettiin ja miksattiin molemmilla tavoilla, jotta menetelmien erot saataisiin tarkasteltavaksi. Menetelmiä tarkasteltiin muun muassa teknisestä, tuotannollisesta, ergonomisesta, visuaalisesta ja soundillisesta näkökulmasta. Subjektiivista kokemusta äänitteentekoprosessista analysoitiin säveltäjän, soittajan, äänittäjän ja miksaajan rooleista käsin. Puhtaasti teknisiä laadullisia tekijöitä, sellaisia joita voidaan mitata, arvioiden voidaan todeta, että digitaalisuus mahdollistaa parhaimman mahdollisen äänenlaadun ja vanhempiin äänentallennustekniikoihin vaikuttaa tekniset vajavaisuudet, jotka toisaalta osaltaan luovat niille niiden uniikin soundin. Koska musiikki koetaan ja tulkitaan subjektiivisesti, on selvää, että myös äänitysformaatin valinta on hyvin subjektiivinen näkemys siitä, mikä on millekin musiikkiesitykselle oikea tapa tulla tallennetuksi ja käsitellyksi. Tutkimuksen tuloksena voidaan pitää sitä, että mikään ei estä tekemästä laadukasta äänityötä vanhemmilla äänentallennusvälineillä niin kauan, kun valittu formaatti ja tekotapa palvelee ja tukee tuotannollista, teknistä, taiteellista ja ennen kaikkea subjektiivista mieltymystä ja visiota.As music Recording became a job done with digital equipment analog Recording was pushed to a margin. It still has its followers, because it offers a different workflow and a distinct sound. The question this thesis examines is what benefits can older analog Recording workflows and mediums bring to the modern day digital Recording environment. This thesis examines the technical, production and artistic differences between music Recording using analog and digital techniques, both in theory and practice. As a case study the same composition was recorded and mixed using both techniques so that the differences between them could be examined. The differences were then studied from technical, production, ergonomic, visual and sound viewpoints. The subjective experience of the process of the case study was then analyzed from the points of view of the composer, player, audio engineer and mixer. It could be argued that digital Recording allows the best quality audio and that the older Recording Formats and techniques all suffer from technical inferiorities which on the other hand make their sound unique. Because music is subjectively experienced and interpreted it is clear that also the choice for what is the best Recording Format for a given musical piece is subject to individual subjective taste. As a result of the study it could be concluded that making good quality sound with older analog Recording techniques is possible, as long as the chosen Format benefits and supports the production, technical, artistic and most importantly the preference and the vision of the production

W K Jenkins - One of the best experts on this subject based on the ideXlab platform.

  • convolution backprojection image reconstruction for spotlight mode synthetic aperture radar
    IEEE Transactions on Image Processing, 1992
    Co-Authors: M D Desai, W K Jenkins
    Abstract:

    Convolution backprojection (CBP) image reconstruction has been proposed as a means of producing high-resolution synthetic-aperture radar (SAR) images by processing data directly in the polar Recording Format which is the conventional Recording Format for spotlight mode SAR. The CBP algorithm filters each projection as it is recorded and then backprojects the ensemble of filtered projections to create the final image in a pixel-by-pixel Format. CBP reconstruction produces high-quality images by handling the recorded data directly in polar Format. The CBP algorithm requires only 1-D interpolation along the filtered projections to determine the precise values that must be contributed to the backprojection summation from each projection. The algorithm is thus able to produce higher quality images by eliminating the inaccuracies of 2-D interpolation, as well as using all the data recorded in the spectral domain annular sector more effectively. The computational complexity of the CBP algorithm is O(N/sup 3/). >

David S Phillips - One of the best experts on this subject based on the ideXlab platform.

  • development of the system for observing student movement in academic routines and transitions sosmart
    Health Education & Behavior, 2017
    Co-Authors: Laura Russ, Collin A Webster, Michael W Beets, Catherine Egan, Robert G Weaver, Rachel Harvey, David S Phillips
    Abstract:

    National attention on whole-of-school approaches to decrease children's sedentary behavior and increase physical activity includes movement integration (MI) in classrooms. The purpose of this study was to describe instrument development, reliability, and validity of the System for Observing Student Movement in Academic Routines and Transitions (SOSMART), designed to assess MI in elementary classrooms. An a priori conceptual framework was developed based on existing literature. The framework was expanded/refined using videos from elementary classrooms and a Delphi survey. The survey, sent to 85 experts, yielded a 38% response rate. The final system includes 11 MI variables (three categories of teacher variables, two categories of student variables) and uses a 20-second continuous interval Recording Format. Reliability and validity data were collected in 12 classrooms across four elementary schools. Instrument reliability was tested using interval-by-interval percentage agreement for each category. Construct validity was tested by estimating multilevel random effects logistic regression models comparing student accelerometer derived activity with the presence/absence of each MI variable. Intraobserver reliability resulted in 97.5% agreement and exceeded 80% on all variables. Construct validity was supported for 8 out of 11 MI variables. SOSMART can provide valid, reliable, and objective data about MI in elementary schools.

M D Desai - One of the best experts on this subject based on the ideXlab platform.

  • convolution backprojection image reconstruction for spotlight mode synthetic aperture radar
    IEEE Transactions on Image Processing, 1992
    Co-Authors: M D Desai, W K Jenkins
    Abstract:

    Convolution backprojection (CBP) image reconstruction has been proposed as a means of producing high-resolution synthetic-aperture radar (SAR) images by processing data directly in the polar Recording Format which is the conventional Recording Format for spotlight mode SAR. The CBP algorithm filters each projection as it is recorded and then backprojects the ensemble of filtered projections to create the final image in a pixel-by-pixel Format. CBP reconstruction produces high-quality images by handling the recorded data directly in polar Format. The CBP algorithm requires only 1-D interpolation along the filtered projections to determine the precise values that must be contributed to the backprojection summation from each projection. The algorithm is thus able to produce higher quality images by eliminating the inaccuracies of 2-D interpolation, as well as using all the data recorded in the spectral domain annular sector more effectively. The computational complexity of the CBP algorithm is O(N/sup 3/). >

Shepherd, Steven G. - One of the best experts on this subject based on the ideXlab platform.

  • SOFTWARE CONVERSION OF LEGACY Recording Format TO IRIG 106 CHAPTER 10 FILE
    International Foundation for Telemetering, 2019
    Co-Authors: Graham, Richard A., Shepherd, Steven G.
    Abstract:

    This paper examines how to convert files recorded on a legacy recorder to an IRIG 106 Chapter 10 file.International Foundation for TelemeteringProceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection