scholarly journals Sound Generator Berbasis Superposisi Gelombang Sinus untuk Alat Peraga Praktikum

2019 ◽  
Vol 8 (2) ◽  
pp. 253
Author(s):  
Tri Agus Djoko Kuntjoro ◽  
Dwi Edi Setyawan ◽  
Billy Montolalu
Keyword(s):  
Sound Generator

scholarly journals Effect of the use of synthetic sound during incubation in chicken

2005 ◽  
Vol 50 (2) ◽  
pp. 131-138
Author(s):  
L. Veterány ◽  
S. Hluchý ◽  
J. Jedlicka ◽  
E. Cerveňanová
Keyword(s):  
Time Interval ◽  
Constant Amplitude ◽  
Sound Stimulation ◽  
Time Intervals ◽  
Weight Category ◽  
Hatching Time ◽  
Electronic Sound ◽  
Sound Generator

In the present work the effect of the use of synthetic sound during incubation in chicken of the Hampshire breed was studied. For the stimulation, an electronic sound generator with amplitude of power 1250 mV and time interval of 134 ms, 176 ms, 210 ms and 380 ms was used. The study was carried out in three experiments. In the 1 st experiment we tried to determine the influence of sound stimulation on the hatching of chickens from egg set of the variant of weight. In the 2 nd experiment we tried to determine the influence of the variant of the beginning of sound stimulation on chicken hatching. In the 3 rd experiment we tried to determine the influence of sound stimulation with constant amplitude of power and the variant of the time interval on chicken hatching. The most suitable eggs to be used for the stimulation with synthetic sound are the ones with the weight of 58.0-60.0g. In this weight category, the chickens hatched earliest of all the groups and there was no decrease in hatchability either. In order to achieve an earlier beginning of beak clapping, a faster whole group beak clapping time, and a shorter hatching time of chickens, sound stimulation should begin at the 433 rd hour of hatching. At the constant amplitude of power of the stimulating sound, the earliest hatching was observed when the time interval was 176 ms. Less suitable for stimulation are the time intervals 134 ms and 380 ms.

scholarly journals Making Acoustic Computer Music: The Rumentarium project

2013 ◽  
Vol 18 (3) ◽  
pp. 242-254 ◽  
Author(s):  
Andrea Valle
Keyword(s):  
Computer Music ◽  
The Other ◽  
Sound Sources ◽  
Sound Installation ◽  
Dc Motors ◽  
Design Production ◽  
Computer Based ◽  
Anthropological Approach ◽  
Generating System ◽  
Sound Generator

The article describes the design, production and usage of the ‘Rumentarium’, a computer-based sound generating system involving physical objects as sound sources. The Rumentarium is a set of handmade resonators, acoustically excited by DC motors, interfaced to the computer by means of various microcontrollers. Following an ecological/anthropological approach, in the Rumentarium discarded materials are used as sound sources. Every instrument is ‘produced while designed’ in an improvisation-like manner, starting from available materials. In this way, hardware is ‘softened’: that is, it can be continuously modified as in software development. Analogously, the onsite setup is very light, so that components can be added or removed on the fly, even while the Rumentarium is at work. Differently from typical computer music, the Rumentarium, while entirely computationally controlled, is an acoustic sound generator. On one hand, the Rumentarium can be played like an instrument in conjunction with a MIDI controller, for use in live musical performance. On the other side, it can be driven by algorithmic strategies. In this way, the Rumentarium can be configured also as a sound installation, in a standalone mode. Some artistic works are discussed while introducing the various control modalities that have been specifically developed for the Rumentarium.

Sound generator circuit system and method

2004 ◽  
Vol 116 (6) ◽  
pp. 3249
Author(s):  
Wayne B. Hile ◽  
James B. Henrie
Keyword(s):  
Generator Circuit ◽  
Sound Generator

Sound generator circuit pre-filter system and method

2006 ◽  
Vol 120 (3) ◽  
pp. 1164
Author(s):  
James B. Henrie ◽  
Wayne B. Hile
Keyword(s):  
Filter System ◽  
Generator Circuit ◽  
Sound Generator

Simulation-Based Optimization of a Piezoelectric Sound Generator by Combining a Finite-Element and Network Model

2011 ◽  
Author(s):  
Eric Starke ◽  
Uwe Marschner ◽  
Gu¨nther Pfeifer ◽  
Wolf-Joachim Fischer
Keyword(s):  
Finite Element ◽  
Network Model ◽  
Sound Pressure ◽  
Pressure Level ◽  
Center Frequency ◽  
Fe Model ◽  
Simulation Based ◽  
Network Methods ◽  
Design Variant ◽  
Sound Generator

In this paper network methods and Finite-Element methods are combined to optimize the design of a piezoelectric sound generator. The FE-model is used to determine network parameters of the transducer model and finally the behavior of the chosen design variant. For the design optimization the network model is used. One design variant reaches a nominal sound pressure level of 93 dB at a center frequency of 497 Hz and a bandwidth of 242 Hz in the simulation. The computation of the dynamic behavior of a single design variant using the network model was approx. 600k times faster than using the FE-model.

Examination of natural environment sounds to substitute for the noise of a Sound Generator in TRT

2011 ◽  
Vol 54 (3) ◽  
pp. 239-248
Author(s):  
Hayato Tsuge ◽  
Makiko Tomita ◽  
Yuki Kato ◽  
Norihiko Inagaki ◽  
Tomoyuki Iwata ◽  
...  
Keyword(s):  
Natural Environment ◽  
Sound Generator

Development of a Fabric Friction Sound Generator Simulating Body Movement and Evaluation of the Generated Sound

2013 ◽  
Vol 50 (4) ◽  
pp. 241-246
Author(s):  
Kyulin Lee ◽  
Eugene Lee ◽  
Haeli Park ◽  
Gilsoo Cho
Keyword(s):  
Body Movement ◽  
Sound Generator ◽  
Friction Sound
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