Adaptive Audio Codec Parameter Switching in Wireless Systems
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Solution Overview
Problem
Conventional Bluetooth audio technologies are inadequate for supporting adaptive audio processing and dynamic changes in codec parameters, particularly in multi-device setups, leading to issues with power consumption and delay in audio data transmission and reception.
Innovation Solution
A method and apparatus for dynamically and adaptively changing codec parameters in a wireless communication system, involving encoding and decoding audio data based on changing parameters and transmitting information about these changes between devices, enabling seamless audio processing across multiple devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional Bluetooth audio technology is used for one-to-one connection, then audio transmission between two devices is supported, but it cannot support multi-device audio data transmission and reception
Solution Approach 1:
The patent implements a universal audio transmission framework where Bluetooth audio devices can dynamically adapt to different connection topologies (one-to-one, one-to-many, many-to-many). The system uses configurable audio routes and flexible codec parameter management to support multiple connection types through a single unified architecture, eliminating the need for separate dedicated solutions for each topology type.
2Adaptability or versatility
If the number of Bluetooth audio devices increases, then multi-device audio support is improved, but power consumption for searching for peripheral devices increases
Solution Approach 1:
The patent implements preliminary device discovery and pairing mechanisms where Bluetooth audio devices perform initial scanning and establish connection profiles in advance. Once devices are discovered and paired, the system maintains ready-state connections with pre-configured audio routes, eliminating the need for continuous active scanning when adding new devices to the audio network.
Solution Approach 2:
The system implements automatic device discovery and connection management where newly added Bluetooth audio devices are automatically detected and integrated into the existing audio topology without requiring manual intervention or continuous active scanning by all devices. The network self-organizes and reallocates audio routes automatically.
3Adaptability or versatility
If conventional Bluetooth audio codec is used, then audio transmission is supported, but it does not support dynamically or seamlessly changing codec parameters
Solution Approach 1:
The patent implements dynamic codec parameter adjustment mechanisms that allow real-time modification of audio encoding parameters (such as bitrate, sampling rate, channel configuration) during active audio transmission. The system seamlessly switches between different codec configurations without interrupting the audio stream, adapting to changing network conditions and device capabilities while maintaining continuous playback.
Solution Approach 2:
The system enables flexible modification of codec parameters including bitrate, sample rate, and channel configuration during runtime. Different audio data types (voice, music, video) can trigger automatic parameter adjustments, and the system manages transitions between parameter sets to optimize audio quality and bandwidth utilization dynamically.
4Adaptability or versatility
If codec parameters are changed to adapt to surrounding situation, then audio processing adaptability is improved, but seamless audio processing becomes difficult
Solution Approach 1:
The patent implements buffer management mechanisms that maintain audio data buffers to absorb transitions during codec parameter changes. When switching between different codec configurations or adapting to changing network conditions, the system uses pre-loaded audio buffers to ensure continuous playback without gaps or interruptions, cushioning the transition period and maintaining seamless audio delivery.
Data Source
AI summary
The present disclosure relates to an adaptive audio processing method, device, computer program, and recording medium thereof in a wireless communication system. A method of transmitting audio data from a first device to a second device in a wireless communication system, according to an embodiment of the present disclosure, may comprise: encoding first audio data in the first device, on the basis of a first codec parameter, to transmit same to the second device; transmitting, from the first device to the second device, information related to a change time point or a change position from the first codec parameter to second codec parameter; and encoding second audio data, on the basis of a second codec parameter, in the first device and transmitting same to the second device.