Implementation of dynamic range controller on digital signal processor

• Autorzy: Korycki R.
• Konferencja: 12th International Symposium on Sound and Vision Engineering and Mastering (ISSVEM'07), June 15-16, Gdansk, Poland
• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to build a real time digital range controller which could be used in the radio and television recording and broadcasting studios. The main purpose of the system is to change the dynamic range of an audio signal in a predefined way without introducing perceptible distortions, what guarantees an optimal use of the overall available dynamic range of an audio system. As a processor, the ADSP-21065L digital signal processor manufactured by Analog Devices was used. An input/output digital audio signal interface was designed and constructed using Atmega8L microcontroller manufactured by Atmel and FPGA device. The characteristics of the dynamic range controller were performed.

Słowa kluczowe

EN

dynamic range control; limiter; compressor; expander; noise gate; digital signal processing

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2008
• Tom: Vol. 33, No. 1
• Strony: 87--91
• Opis fizyczny: Bibliogr. 6 poz., rys.

Twórcy

autor

Korycki R.

• Warsaw University of Technology, Institute of Radioelectronics, Nowowiejska 15/19, 00-665 Warszawa, Poland,

Bibliografia

• [1] BITZER J., SCHMIDT D., SIMMER U., Parameter estimation of dynamic range compressors: models, procedures and test signals, AES 120-th Convention, Paris 2006.
• [2] CZYŻEWSKI A., Dźwięk cyfrowy, Akademicka Oficyna Wydawnicza EXIT, Warsaw 1998.
• [3] KRAGHT P., Aliasing in digital clippers and compressors, J. Audio Eng. Soc., 48, 11 (2000).
• [4] MCNALLY G. W., Dynamic range control of digital audio signals, J. Audio Eng. Soc., 32, 5, 316–327 (1984).
• [5] ORBAN R., Audio processing in digital audio broadcasting, Engineering Magazine Digital Television Conference, Chicago 1998.
• [6] ZÖLZER U., Digital audio signal processing, John Wiley & Sons, Chichester 1997