Analisis Kinerja Skema MPEG Surround Pada Pengkodean Audio 22 Kanal Menggunakan Bitrate 1000 - 2000 Kbps

  • Ahmad Ridwan Politeknik Jambi
  • Vitral JR Andalas University
  • Habib Satria Universitas Medan Area
  • Ikhwana Elfitri Universitas Andalas
Keywords: Keywords: 22 Channel Audio Coding, MPEG surround, Downmixing, Objective difference grade


MPEG surround is one of the most popular multichannel audio coding standards used today. In producing quality sound, there are several parts that are influential, but those that are directly related to sound reproduction, one of which is the method of downmixing, mixing the right channels will improve the quality of the sound produced. Because this research is closely related to data computing, the Matrix Laboratory (MATLAB) application is used. There are 2 stages carried out in the MATLAB application, namely the encoding and decoding process. In the encoding process in MATLAB, each audio channel is set according to a previously designed scheme. The results of this encoding are then decoded, so that the ODG value of each tested audio channel is obtained. In his presentation, the design and analysis of several domnmixing schemes was carried out. There are 5 schemes tested and to determine the performance of each scheme, these schemes are tested at high bitrates, from the range of 1000 Kbps to 2000 Kbps. Based on the test, it was found that the effect of increasing the bitrate is directly proportional to the resulting audio quality. During testing Scheme-5 has a better level of stability among all downmixing schemes and the average percentage increase in Objective Difference Grade (ODG) for all audio samples is 9.6927 %.


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Author Biographies

Ahmad Ridwan, Politeknik Jambi

Prodi Teknik Elektronika, Politeknik Jambi

Vitral JR, Andalas University

Department Electrical Engineering, Universitas Andalas

Habib Satria, Universitas Medan Area

Department Electrical Engineering, Universitas Medan Area

Ikhwana Elfitri, Universitas Andalas

Department Electrical Engineering, Universitas Andalas


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How to Cite
Ridwan, A., JR, V., Satria, H., & Elfitri, I. (2021). Analisis Kinerja Skema MPEG Surround Pada Pengkodean Audio 22 Kanal Menggunakan Bitrate 1000 - 2000 Kbps. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), 5(5), 843 - 852.
Artikel Teknologi Informasi