PT Sejahtera Empati PratamaCo-Founder / CTO
May. 2018 - Mar. 2021Tangerang, Banten, IndonesiaI built a small firm (sold it later in 2021) with a co-partner that creates
macOS and Windows development based of emotion analysis from voice.
Furthermore, I facilitated Empath Inc. (https://webempath.com) by providing
outsourced services. Also, I oversaw the entire operational and technical
aspects of the firm, including HR, procurement, infrastructure, and others.
I created an acoustic analysis feature to calculate acoustic data. Lastly, I
conducted real-time analysis of voice recording, supporting mic and speaker
loopback along with conversion.
Applications Built:
♦ Designed a MacOS application for reading and recording wave files as well
as displaying analysis result on a graph or play the audio file.
♦ Coded a Windows 10 WinForms app, focusing on splitting wave file into
chunks of Talk Units to be later analysed.
♦ Created an app that could run on background and with bat file. CLI based
with MSMQ.
Key Contributions:
♦ Helped in improving the skills with regards to the code quality,
performance, bug fixing, and manual design of team members.
♦ Successfully developed a new audio filter to differentiate speech,
ringtone, and music while working in close collaboration with a data science
team from Japan.
♦ Innovated and developed a top-selling back-end application that examines
recorded audio data for the enterprise, becoming the primary lifeline income
of the company.