A Regulatory Circuit Compensating for Device Differences
A technology for adjusting circuits and differences, which is applied in instruments, digital recording/reproduction, data recording, etc. It can solve problems such as intermittent input sound, poor compatibility, and not recommended to make up for differences, solve compatibility problems, Avoid the effect of replacing the device
Active Publication Date: 2022-02-08
AMOLOGIC (SHANGHAI) CO LTD
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Problems solved by technology
[0003] In the prior art, the SPDIF digital input signal has requirements for electronic devices, and also needs to be compatible with multiple inputs, and the differences between electronic devices will cause the input sound to be intermittent
The method adopted by the industry is to replace better devices, but this operation will increase the cost, and the SPDIF digital input signal will rely on electronic devices, and the compatibility problem is poor, so it is not recommended to use
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0033] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0035] The present invention includes an adjustment circuit for compensating for device differences, which is us...
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Abstract
The invention relates to the technical field of integrated circuits, and discloses an adjustment circuit for compensating device differences, which includes: at least two replaceable conversion circuits; a chip, the chip has a digital receiving pin, and the digital receiving pin is a digital receiving end of a register. The sampling frequency of the digital receiving end of the register is set to a preset frequency, so that the digital receiving end of the register satisfies at least two alternative conversion circuits. The beneficial effect is that by adjusting the register of the chip and changing the sampling frequency of the digital receiving end of the register, the digital receiving end of the register satisfies at least two kinds of replaceable conversion circuits, so as to make up for the difference of devices, solve the compatibility problem of electronic devices, and reduce the The dependence on electronic devices, and for assembled machines, can be solved by upgrading the code, avoiding replacement of devices and reducing costs.
Description
technical field [0001] The invention relates to the technical field of integrated circuits, in particular to an adjustment circuit for compensating device differences. Background technique [0002] SPDIF is the abbreviation of SONY, PHILIPS digital audio interface. As far as the transmission mode is concerned, SPDIF is divided into two types: output (SPDIF OUT) and input (SPDIF IN). At present, most sound card chips can support SPDIF OUT, but we need to pay attention, not every product will provide digital interface. As far as the transmission carrier is concerned, SPDIF is divided into coaxial and optical fiber. In fact, the signals they can transmit are the same, but the carrier is different, and the interface and connection appearance are also different. However, optical signal transmission is a popular trend in the future. Its main advantage is that it does not need to consider the interface level and impedance issues, and the interface is flexible and has stronger ant...
Claims
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IPC IPC(8): G11B20/10
CPCG11B20/10037G11B20/10527G11B2020/10564
Inventor 冯杰张坤
Owner AMOLOGIC (SHANGHAI) CO LTD