Broadcast Receiver Independent Stream Processing

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Solution Overview

Problem

Conventional broadcast receivers lack the capability to independently control and display video, audio, and data broadcasts, which are typically packaged together, preventing users from separating and managing these signals independently.

Innovation Solution

A receiver device equipped with multiple tuners, processors, and a controller that allows for independent synchronization and processing of video, audio, and data streams, enabling separate display and output of different broadcast channels on a single screen.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If video, audio, and data broadcasts are packaged together as a single transmit stream, then the broadcast system maintains simplicity in transmission, but the receiver cannot independently control or display different broadcast channels

Engineering Contradiction:

ImproveIndependent control capabilityVSAvoidReceiver structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The receiver divides the packaged transmit stream into separate video, audio, and data streams using a stream separator. Multiple tuners are also segmented to independently receive different broadcast channels. This segmentation enables independent control of each stream type while maintaining the simplicity of receiving packaged broadcasts.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The receiver is designed with multi-functionality to handle both packaged broadcast streams and independently processed streams. The controller can selectively process video, audio, and data streams from the same or different channels, providing universal adaptability for various broadcast formats and user preferences.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If the receiver processes video and data from the same channel together, then the processing system remains simple, but users cannot display video from one channel and data from another channel simultaneously

Engineering Contradiction:

ImproveMulti-channel display capabilityVSAvoidStream processing structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The stream processor is segmented into multiple independent processing paths, each capable of handling video, audio, and data streams separately. This allows the receiver to process video from one channel while simultaneously processing data from another channel, enabling multi-channel display capability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The controller acts as an intermediary that selectively routes video streams from one channel and data streams from another channel to the display device. This mediation enables flexible combination of different stream types from different sources without requiring complete reprocessing of all streams.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Adaptability or versatility

If all broadcast streams are processed through a single processor, then the device structure remains simple, but the receiver lacks the capability to independently synchronize multiple transmit streams

Engineering Contradiction:

ImproveIndependent synchronization capabilityVSAvoidTuner and processor configuration

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The receiver employs multiple tuners that are independently synchronized, each capable of receiving and processing broadcast streams separately. This segmentation of tuning functions enables independent synchronization of multiple transmit streams while maintaining manageable device complexity through modular architecture.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS8763040B2Method of processing transmit streams independently to display multiple broadcasts at the same time and a receiver for implementing the same

Publication Date: 2014.06.24 LG ELECTRONICS INC

AI summary

Disclosed are devices for receiving broadcast signal. More specifically, one of the devices includes at least two tuners (102, 103) configured to synchronize at least two transmit stream independently, at least two transmit stream processors (104, 105) each configured to convert the at least one transmit stream into a plurality of audio signals, a plurality of displayable video signals, and a plurality of displayable data signals, a controller (100) configured to provide switching control signal and display control signal based on channel selected by a user, a switching unit (135) configured to output a data broadcast associated with a first broadcast channel and the video and the audio associated with a second broadcast channel, a display module (138) configured to display a video of the first broadcast channel in a first display area and a data of the second broadcast channel in a second display area, and at least one speaker configured to audio output of at least two different broadcast channels. Method for using the device is also disclosed.