Yamaha YSP-5600 Owners Manual - Page 102
What is Object Based Audio?, Yamaha’s Audio Technologies, Compressed Music Enhancer
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What is Object Based Audio? With traditional audio technologies, which channels (speakers) should output what types of sounds when creating audio sources was pre-defined. This is called "channel-based audio". In contrast, new audio systems such as Dolby Atmos use a new technology called object-based audio. This technology processes each sound (e.g., the sound of a car or an actor's voice) contained in an audio source as an "object" and memorizes each object's sound changes and positional changes in a sound field to control these changes during playback. The greatest advantage of applying object-based audio to a home surround sound system is the power to control the audio output method based on device features and the number of speakers used for playback. The unit adjusts sound beam output according to the listening room setup. It calculates the movements of an object according to each playback environment and reproduces sound fields that best match the intentions of a sound director. It also enables audio output in the vertical direction so that each sound (object) in an audio source can freely move within a sound field. Yamaha's Audio Technologies This unit features many more functions based on Yamaha's superior audio technologies. Compressed Music Enhancer This technology enhances and extends bass and treble, which tend to be weak in digitally compressed formats such as MP3 used with portable digital audio players and computers. This makes compressed audio sound more musically dynamic. CINEMA DSP/CINEMA DSP 3D This technology enables precise digital recreation of actual acoustic environments found in well-known concert halls and movie theaters. This is achieved using Yamaha's exclusive sound field programs, which are based on data measured in various sound fields, and with which the amplitude, depth, and volume of sounds have been adjusted. CINEMA DSP 3D uses three-dimensional sound field data, including vertical directional information, and further extends standard CINEMA DSP, to make sound field effects more realistic and three-dimensional. APPENDIX ➤ Basic Knowledge of Surround Sound En 102