The New Equipment & Hobby Revolution Is Normal When #DiRumahAja
News
06 August 2020

The New Equipment & Hobby Revolution Is Normal When #DiRumahAja

Electrical Engineering Webinar Series 2

Electrical engineering ISTTS again held a series 2 online webinar on Saturday, August 1, 2020, to be exact at. 10.00 - 12.00 with the theme 'Equipment Revolution and New Hobby Normal at #DiRumahAja'. The webinar this time was presented by 2 speakers, namely Mr. Agus Gunawan, MSc, MMin. He is a lecturer in electrical engineering at ISTTS and an observer of digital audio. Meanwhile, the second resource person is Andri Suhartono, ST, who works as a smart device developer, teaching staff, R&D, and traders.
Slightly different from the usual webinar, the opening of this webinar is hosted by Mr. Jonie Hermanto. He is a comedian, programmer, MC EO, and CTO of a start-up company in Indonesia. After reading the rules and regulations of the webinar, Mrs. Fransisca Chandra as the head of the electrical engineering study program of ISTTS took over and gave an explanation of the teaching and learning system in ISTTS electrical engineering. He also changed the view of people about electrical engineering. "What is electrical engineering? soldering iron? It's not just like that, electrical engineering has many branches. Especially now in the industrial era 4.0 everything is completely automatic. IOT in Industry 4.0 also has something to do with electronic engineering in electrical engineering, ”said Mrs. Fransisca.
After that, Mr. Agus began to deliver his material on digital audio production which has continued to develop since the 2000s. Digital audio production has 3 stages, namely recording all musical instruments and vocals. This stage has facilities for track editing, namely amplitude, delay (echo effect), referts, filters to improve frequency, noise reduction, time / pitch to adjust tempo, and silence to silence unwanted sounds. The second stage is downmix where this stage will mix all the recording results to balance. This stage also has facilities such as parametric equalizer to balance the frequency using a mixer, panning to adjust the sounds captured by the left and right ears, graphic equalizer¸ delay / reverb, and compression or hard limiting where the recording results will be compressed so that the resulting sound sounds more balanced . The last stage is mastering. At this stage, the recording result will be given an effect to make it easier to hear.
The minimum equipment recommended for production is a PC (minimum speed of 2 GHz, 1 GB of minimum memory), sound card, monitor loudspeakers, multitrack recording software, microphone (s), and soundproof room (when using a microphone). Apart from hardware, human factors such as sound engineer ears and brains also affect the quality of production.
Pak Agus ended the material presented by giving an example of his instrumental song. The songs are a combination of various imitation musical instruments. Not only that, he also made human voices that looked like the real thing.
The next material was delivered by Pak Andri Suhartono regarding the C-19 equipment revolution. He begins with a brief explanation of the important role of sensors in all electronic and non-electronic devices. According to Mr. Andri, the sensor functions to detect materials, measure physical and chemical quantities and then react. Sensors are based on human senses such as the eyes, nose, skin, tongue and ears.
During the corona pandemic, many people were more focused on utilizing touch sensors that aim to detect touches and changes in ambient air. In addition to touch, temperature sensors are also being developed so that they can detect them without coming into contact with objects or humans. An example of an electronic device that uses a temperature sensor is a thermogun. This tool uses a thermopile sensor that can read infrared waves emitted into the human body. Pak Andri said, "Usually the thermogun is shot into the forehead. Should be shot in the ear. Because it is most effective to check the human body temperature through the ear. Moreover, if through the forehead, the sensor work system will be more influenced by the environment than the human body temperature. " At the end of his presentation, Mr. Andri also presented various kinds of sensors that are also used in the automotive sector.
This time the webinar was closed royally by giving a door prize in the form of Xiaomi Mi Band and a book adept at making interactive media. Door prizes were given to 2 webinar participants who succeeded in winning the kahoot quiz prepared by the organizing committee. The quiz consists of 15 questions and contains questions about the webinar material. After that, the MCs expressed their gratitude and closing sentences for ending this webinar.

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