Audio reproduction device and audio-video reproduction system
AssigneePanasonic Corporation
InventorsShoji Tanaka, Ryo Ogasawara
Life of this patent
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Abstract
An audio reproduction device and system are capable of realizing sounds having natural sound quality with no peculiarities, and provide an excellent audio-image ascending effect which is not varied due to differences among individual persons, thereby making audio images and images coincident with each other. A frequency characteristic correction portion forms a frequency characteristic such that a sound-pressure frequency characteristic of reproduced sound radiated to a viewing position from speakers has a first peak and a second peak, wherein the center frequency of the first peak falls within the range of 6 kHz±15%, and the center frequency of the second peak falls within the range of 13 kHz±20%.
Claims8
An audio reproduction device, comprising:
- a speaker that radiates sound from below a center of a screen in a video reproduction device;
- an amplifier that drives the speaker;
- and
- a frequency characteristic correction portion that outputs, to the amplifier, a signal having a corrected frequency characteristic,
- wherein the frequency characteristic correction portion forms a frequency characteristic such that a sound-pressure frequency characteristic of reproduced sound radiated to a viewing position from the speaker has a first peak and a second peak, and
- a center frequency of the first peak falls within a range of 5 kHz to 7 kHz, and a center frequency of the second peak falls within the range of 10 kHz to 16 kHz so that the video and sound are consistent with each other.
Dependencies are inferred from the claim text.