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Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus

A technology for correcting device and volume, applied in the direction of electrical components, amplification control, gain control, etc., can solve problems such as discomfort

Inactive Publication Date: 2010-06-23
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Even with the same content (for example, on the same broadcast channel or during the same broadcast program), the output volume can change uncomfortably with commercial (Commercial Message) breaks or changes between scenes

Method used

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  • Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus
  • Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus
  • Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus

Examples

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Embodiment approach

[0214] [Other separation examples]

[0215] In the first and second embodiments, the first component main signal is the main voice signal, and the signal including other components as main components is the main live sound signal. However, the present invention is not limited to this separation method. For example, the input audio signal can be divided into a mid-band component and a frequency band component other than the mid-band component, and the gain of each component can be controlled by a first gain control method and a second gain control method different from each other.

[0216] In the above embodiments, the audio signal includes input audio signals of left and right channels. However, the audio signal whose volume should be corrected may be a monaural audio signal.

[0217] Figure 24 represents another example of separating input audio signals, wherein the input audio signals for one ear are separated by the frequency bands. Figure 24 The illustrated example e...

other Embodiment approach

[0271] Other Embodiments and Variation Examples

[0272] In the first and second embodiments, the speech level correction gain generator 30 sets the output level of the main voice signal to a constant level by setting the average level of the main voice signal as a reference value. However, in the gain control method for the main voice signal, the gain can be controlled so that the overall level of the input audio signal can be set as the reference level.

[0273] In the second embodiment, the gain control method is changed by supplying the output gain control signal Gv from the speech level correction gain generator 30 to the live sound level correction gain generator 40 and performing additional processing on the gain control signal Gv. . However, it is not necessary for the first gain control method and the second gain control method to have this dependency. As long as the first gain control method for the first component main signal and the second gain control method f...

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Abstract

A sound volume correcting device includes: a first component gain control unit configured to control a gain of a main first component signal, which contains a part of a plurality of audio components as a main component, out of input audio signals including the plurality of audio components and outputting the main first component signal; a first component gain control signal generator configured to generate a first component gain control signal for allowing the first component gain control unit to control the gain of the main first component signal in a first gain control way; and an other component output unit configured to output other audio components other than the first component of the input audio signals in a second gain control way different from the first gain control way.

Description

[0001] Cross References to Related Documents [0002] This application contains subject matter related to and claims priority from Japanese Patent Application JP2008-310901 filed in the Japan Patent Office on December 5, 2008, the entire content of which is hereby incorporated by reference. technical field [0003] The present invention relates to a volume correction device, a volume correction method, and a volume correction program suitable for use in sound output units of electronic equipment such as television broadcast receivers. Background technique [0004] When switching broadcast channels received by a television broadcast receiver, or when switching multiple input devices in an AV center of an audiovisual (AV) system, output volume may vary greatly due to a level difference between contents. [0005] In this case, it is necessary for the user to use a remote controller or the like to adjust the volume in order to obtain his preferred volume, which is troublesome. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03G3/20
CPCH04S2400/05H04S2400/13H04S7/00
Inventor 野口雅义
Owner SONY CORP