Huawei technologies co., ltd. (20240105188). DOWNMIXED SIGNAL CALCULATION METHOD AND APPARATUS simplified abstract

DOWNMIXED SIGNAL CALCULATION METHOD AND APPARATUS

Organization Name

huawei technologies co., ltd.

Inventor(s)

Haiting Li of Beijing (CN)

Zexin Liu of Beijing (CN)

Bin Wang of Shenzhen (CN)

DOWNMIXED SIGNAL CALCULATION METHOD AND APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240105188 titled 'DOWNMIXED SIGNAL CALCULATION METHOD AND APPARATUS

Simplified Explanation

The patent application describes a method and apparatus for calculating a downmixed signal in a stereo signal. Here are the key points of the innovation:

• Method involves obtaining a second downmixed signal and a downmix compensation factor in the current frame.
• Correcting the second downmixed signal based on the downmix compensation factor to obtain the first downmixed signal in the current frame.
• Determining the first downmixed signal in the current frame as the downmixed signal in a preset frequency band.

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1. 1. 1. Potential Applications of this Technology

Some potential applications of this technology include:

• Audio signal processing
• Multimedia systems
• Virtual reality and augmented reality applications

1. 1. 1. Problems Solved by this Technology

This technology helps in:

• Improving audio quality in stereo signals
• Enhancing the user experience in multimedia applications
• Optimizing sound output in virtual reality environments

1. 1. 1. Benefits of this Technology

The benefits of this technology include:

• Enhanced audio performance
• Improved signal processing efficiency
• Better user immersion in virtual environments

1. 1. 1. Potential Commercial Applications of this Technology

Some potential commercial applications of this technology are:

• Audio equipment manufacturing
• Software development for multimedia systems
• Virtual reality content creation

1. 1. 1. Possible Prior Art

One possible prior art for this technology could be:

• Existing methods for downmixing stereo signals
• Audio encoding and decoding techniques

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1. 1. 1. 1. Unanswered Questions

1. 1. 1. How does this technology compare to existing downmixing methods?

This article does not provide a direct comparison with existing downmixing methods. Further research or a comparative study would be needed to evaluate the effectiveness of this innovation in comparison to current techniques.

1. 1. 1. What are the specific technical specifications required for implementing this technology?

The article does not delve into the specific technical requirements for implementing this technology. Additional information on hardware or software specifications would be necessary for practical application.

Original Abstract Submitted

this application discloses a downmixed signal calculation method and apparatus. the method includes: when a current frame or a previous frame of the current frame of a stereo signal is not a switching frame and a residual signal in the current frame or the previous frame does not need to be encoded, obtaining a second downmixed signal in the current frame and a downmix compensation factor of the current frame, correcting the second downmixed signal in the current frame based on the downmix compensation factor of the current frame, to obtain the first downmixed signal in the current frame and determining the first downmixed signal in the current frame as a downmixed signal in the current frame in a preset frequency band.