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Method, device and system for synchronizing audio/video signals

A video signal and audio technology, applied in the field of measuring the delay value of the first reproduction device, can solve the problems of the burden of the device manufacturer, the complicated setting of multiple microphones, etc.

Inactive Publication Date: 2009-08-19
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Measuring the delay value of a reproduction device is a complex task which requires a complex setup with multiple microphones
This places a huge burden on device manufacturers in terms of product qualification and quality evaluation

Method used

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  • Method, device and system for synchronizing audio/video signals
  • Method, device and system for synchronizing audio/video signals
  • Method, device and system for synchronizing audio/video signals

Examples

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention are described. It is important to note that in the following all described embodiments may be combined in any way, ie there is no limitation that some described embodiments cannot be combined with others. Furthermore, it should be noted that throughout the drawings, the same reference numerals designate the same or similar elements.

[0018] It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention.

[0019] Accordingly, the following detailed description should not be taken as limiting, and the scope of the invention is defined by the appended claims.

[0020] It should be understood that the features of the various embodiments described herein may be combined with one another, unless specifically noted otherwise.

[0021] exist figure 1 In , a flow diagram of a method according to one embodiment of the inventi...

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Abstract

A method and device for synchronizing audio / video signals is provided. A first and a second auxiliary signal are generated, wherein the first and the second auxiliary signals are pulse-shaped, and transmitted to a first and a second rendering device via a first and a second transmission path, respectively. The first audio / video output signal based on the first auxiliary signal and a second audio / video output signal based on the second auxiliary signal are outputted to a user. The user adjusts a delay of the first and / or second transmission path by synchronizing the first audio / video output signal with the second audio / video output signal.

Description

technical field [0001] Embodiments of the invention relate to methods, devices and systems for synchronizing audio / video signals. Another embodiment of the present invention relates to a method and a device for measuring a delay value of a first rendering device. Background technique [0002] Measuring the delay value of a reproduction device is a complex task which requires a complex setup with multiple microphones. This places an enormous burden on device manufacturers in terms of product identification and quality evaluation. In the Bluetooth standard, there is a suite of test suites available which can be easily installed on a personal computer (PC) and then run the tests. It is currently not possible to verify proper synchronization between audio and video devices with this setup. Contents of the invention [0003] It is an object of the present invention to provide a method and device for synchronizing audio / video signals which are capable of calibrating a reprodu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/92H04N9/806H04N17/04
CPCH04N17/00H04N5/04
Inventor W·哈格
Owner SONY CORP
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