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System and method for bass enhancement

A bass enhancement, signal technology, applied in the real and perceived bass band, to enhance the audio performance field in mobile audio applications, can solve problems such as signal distortion hindering

Active Publication Date: 2014-08-27
CIRRUS LOGIC INT SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, true bass enhancement is often hampered by the excursion bounds and large signal distortion of speakers used in audio processing systems
[0007] Thus, there is a problem of deciding whether psychoacoustic bass enhancement and / or real bass enhancement should be implemented in the audio stream, and if so to what extent either or both methods should be implemented

Method used

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  • System and method for bass enhancement

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Embodiment Construction

[0031] Specific embodiments of the present disclosure are described below with reference to the accompanying drawings; however, the disclosed embodiments are merely examples of the present disclosure and may be embodied in various forms. Well-known functions or constructions are not described in detail to avoid obscuring the disclosure in unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as representative representations for teaching one skilled in the art to variously employ the present disclosure in substantially any suitable specific structure. Foundation. Throughout the description of the figures, like reference numerals may refer to similar or identical elements.

[0032] Figure 1a An illustrative example of a bass enhancement system 10 according to the present disclosure is shown. The bass enhancement system 10 is configured to accept an input signa...

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PUM

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Abstract

A system and method for enhancing the real and / or perceived bass band of an audio signal is disclosed. A computationally simple yet effective bass band enhancement system for use in consumer electronics applications is disclosed. An audio processing system including bass enhancement functionality for use in a mobile audio system is disclosed.

Description

technical field [0001] The present disclosure relates to systems and methods for processing audio signals. In particular, the present disclosure relates to systems and methods for enhancing the real and perceived bass band of an audio signal. Further, the present disclosure relates to systems and methods for enhancing audio performance in mobile audio applications. Background technique [0002] Audio signal reproduction, especially in the low frequency portion of the audio spectrum (eg, bass spectrum), is generally limited by the nature and design of the loudspeaker. To provide an audio signal with sufficient bass loudness, one typically requires a large horn area, large excursion margin, and significant input power such that a sufficient amount of ambient fluid (e.g., air) is removed to achieve the desired audible loudness . [0003] Constrained by limited power availability and strict size constraints, many modern audio systems employ algorithmic devices for enhancing t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/04
CPCH04R3/04H03G5/165H04R3/12H03G9/025H04R2499/11G10H2210/321H03G11/008
Inventor 帕埃尔·贡纳斯·里斯贝里
Owner CIRRUS LOGIC INT SEMICON
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