Electronic Device Audio Video Synchronization
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Solution Overview
Problem
Current gaming systems face challenges in synchronizing audio and video data across remote systems, control devices, and display devices with low latency, especially in multiplayer online games, due to issues with data transmission and power management.
Innovation Solution
An electronic device that communicates with a remote system and control devices via network connections, prioritizing data transmission, selecting communication channels based on metrics, and managing power modes to ensure synchronized audio and video output across devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is transmitted continuously to maintain low latency for audio and video synchronization, then synchronization quality is improved, but power consumption increases
Solution Approach 1:
The electronic device implements periodic transmission of audio and video data at predetermined time intervals, rather than continuous transmission. This allows the system to maintain synchronization quality by regularly updating data while consuming less power during intervals when no transmission occurs. The device alternates between active transmission states and low-power states, achieving both synchronization reliability and energy efficiency.
2Productivity
If the electronic device continuously monitors and manages communication channels to optimize data transmission, then transmission efficiency is improved, but device complexity increases
Solution Approach 1:
The electronic device automatically determines communication channel metrics and selects optimal channels without requiring complex external management systems. The device self-monitors channel conditions, evaluates metrics such as signal quality and latency, and autonomously switches channels when necessary. This self-service approach improves transmission efficiency while avoiding the added complexity of external management infrastructure.
3Reliability
If the electronic device prioritizes audio data transmission over other data types, then audio-video synchronization is improved, but other data transmission may be delayed
Solution Approach 1:
The electronic device transmits audio data in advance of video data at predetermined time intervals, proactively preparing the audio stream before the corresponding video frames are ready. This preliminary action ensures that audio data is available when needed for synchronization, preventing delays in audio playback while allowing video data to be transmitted at its own pace without compromising overall synchronization.
Data Source
AI summary
This disclosure describes, in part, an electronic device for executing network applications. For instance, the electronic device may establish a connection with a network device. The electronic device may then receive input data from a control device. Using the connection, the electronic device may send the input data to a remote system, which uses the input data to update a state of an application. The electronic device then receives, using the connection and from the remote system, audio data and video data representing the state of the application. In some instances, the electronic device may further receive, using the connection and from the remote system, first timestamp data for outputting the audio data and second timestamp data for displaying the video data. The electronic device may then send the audio data to a control device and the video data to a display device.