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Ricco Pranoto
Universitas Pelita Harapan

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Analisis Harmonik Kompresor Model “LA-2A” Digital Pada Frekuensi Fundamental 1000 Hz [Harmonic Analysis Content of “LA-2A” Digital Compressor Model with 1000 Hz Sine Wave] Kevin Leonardo; Ricco Pranoto
Jurnal SENI MUSIK Vol. 15 No. 1 (2023): Jurnal SENI MUSIK
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/jsm.v15i1.6777

Abstract

Compressor used as a tool for altering a temporal aspect of a sound source. This alteration reduces the dynamic of the sound thus changing the perception of the sound. Other than that, the circuit of the compressor contain tubes and transistor and produce a harmonic distortion that add a sound texture to the sound source. This measurement aims to analyze and compare 9 compressor software that emulate a hardware compressor “LA-2A”. 1000 Hz sinusoidal wave will be used in this measurement to analyze the harmonic distortion in mid-high frequency region. 7 from 9 products are producing an even and odd harmonic although the odd harmonics dominate. The difference come from Leveling Tool ADHD that produce only odd harmonics and Sonic Anomaly SLAX that produce only third partial.  
Analisis Kompresor Digital dengan Basis Emulasi “LA-2A” Pada Frekuensi Fundamental 100 Hz [Digital Compressor Analysis Based on “LA-2A” Model Using 100 Hz Sine Wave] Kevin Leonardo; Ricco Pranoto
Jurnal SENI MUSIK Vol. 15 No. 1 (2023): Jurnal SENI MUSIK
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/jsm.v15i1.6778

Abstract

Compressor is an audio tool that used by the audio engineer for taming dynamics. The compressor itself had grown into software (plug-ins) based tools. That software is made from the emulation of some hardware compressor that famous in circle of audio engineer. One of the hardware are LA-2A that often used by audio engineer for taming the dynamic of vocals. There are many software developers that made their product based on this compressor and this study aim to analyze the harmonic characteristic of those software. 9 compressor “LA-2A” based are analyzed using 100 Hz sine wave to get the harmonic characteristic in the low-mid frequency region. 8 of 9 software has a similarity to produce odd harmonics in low-mid frequency region. Only Slate FG-2A that produce odd and even harmonics and Sonic Anomaly SLAX that only produce third harmonic in -12 dB gain reduction.
Co-Authors Kevin Leonardo