Multi-resolution decoding and modulation system

A codeword and coding technology, applied in modulation carrier system, transmission system, digital transmission system, etc., can solve the problem of wasting spectrum bandwidth and so on

Active Publication Date: 2021-02-12
SHURE ACQUISITION HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method actually wastes spectral bandwidth

Method used

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  • Multi-resolution decoding and modulation system
  • Multi-resolution decoding and modulation system
  • Multi-resolution decoding and modulation system

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Embodiment Construction

[0020] The following detailed description describes, illustrates, and demonstrates one or more specific embodiments of the invention in accordance with the principles of the invention. This detailed description is not provided to limit the invention to the embodiments described herein, but to illustrate and teach the principles of the invention so that a person of ordinary skill in the art can understand those principles and, based on that understanding, apply the described principles to practice not only the embodiments described herein, but also other embodiments that may be conceived in accordance with these principles. The scope of the present invention is intended to cover all such embodiments which may fall within the scope of the appended claims either literally or under the doctrine of equivalents.

[0021] It should be noted that in the detailed description and drawings, similar or substantially similar elements may be labeled with the same reference numerals. Someti...

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Abstract

The present invention provides a multi-resolution decoding and modulation system for maintaining audio continuity in digital wireless audio systems in harsh RF environments, comprising an audio codec coupled with a non-uniform layered modulation scheme, said Audio codecs produce codewords with bits that differ in perceptual importance. When the wireless audio system is operating in a harsh RF environment, the RF SNR for decoding bits of high perceptual importance can be reduced while the RF SNR for decoding bits of low perceptual importance can be increased, while There is no adverse effect on the latency of the wireless audio system. Audio can be subjectively degraded rather than muted, which alleviates intermittent interference and multipath fading problems.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Patent Application Serial No. 14 / 844,678, filed September 3, 2015, the contents of which are incorporated herein in their entirety. technical field [0003] The present application generally relates to a multi-resolution coding and modulation system. In particular, the present application relates to a multi-resolution coding and modulation system for maintaining audio continuity in a digital wireless audio system, comprising an audio codec coupled with a non-uniform layered modulation scheme, the The audio codecs described above produce codewords with bits that differ in perceptual importance. Background technique [0004] Audio production can involve capturing, recording, and presenting, for example, television programs, news broadcasts, movies, live events, and other types of audio using a number of components including microphones, wireless audio transmitters, wireless aud...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L27/183H04L27/3488H04L65/70G10L19/167G10L19/005G10L19/0204G10L19/22
Inventor R·马莫拉
Owner SHURE ACQUISITION HLDG INC
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