A study of spectrum of children voice (4-5 year old) using praat software through computer has been done. The voice of sample was recorded by using a mocrophone connected to computer equipped printed praat software.The ...

The study of the influence of flu and cough disease of men and women on their voice spectrum had been carried out. The sample voices were recorded by using a computer equipped with a software called “Praat” as a substitute ...

A study on the human voice spectrum is analyzed based on ethnic and age groups of children 8-11 years old. Recording is done with the human voice by using a microphone and a computer equipped with a software praat instead ...

Quantum wire (nanowire) is a wire with nanometer size, where the movement of electrons inside the wire experiences hoping from one site to the next site. If the wire does not have impurities, the electron motion will be ...

Design and experiment of Eddy current on aluminium plat using solenoid have been carried out. The magnetic field used is generated by two solenoids that connected with series and parallel combination. The solenoids were ...

The measurement of the magnetic degree and magnetic susceptibility of iron sand as a function of depth in Arta and Kata beach Pariaman West Sumatera has been carried out. The sample was dried thoroughly before being ...

Crystal structure especially lattice parameters in hexagonal system is difficult to be determined in conventional way. Therefore, it is necessarily to involve a computer to perform the calculation of parameters of hexagonal ...

The effect of a piece of metal (called Core) such as Fe (Iron), Cu (Copper), and Al (Aluminum) on inductor’s (coils) voltage and resistance has been studied. The coils were designed by varying their turns that is 50,100, ...

Research on measuring of levels of sound absorption by a piece of palm trunk was done. Sample of palm trunk used in this study was 22 years old and made into rectangular pieces with a size of 23 x 23 cm. The thickness of ...

Users of cellular telephone (HP) today claim that weak static magnetic fields (B) is induced around the HP and this may affect the users. In this research, measurement of a static magnetic induction and a magnetic moment ...