Battery Division
  • Introduction of new generation Bluetooth Audio (LE Audio) – Audio Rendering Control
    LE Audio LE Audio is based on Generic Audio Framework which consists of four building blocks for integrating in different audio products. Generic Audio Framework of LE Audio is a middleware designated for configuration and utilized by upper Profiles. The middleware includes Audio Content Control, Audio Rendering Control, Audio Topology Control and Audio Streaming Control. Each building block uses Client/Server mode defined in the GATT specification so that Client can send control command to Server to modify value of characteristic and also Server can initiate sending change of its characteristic value to Client via Notification. Architecture of LE Audio is illustrated in picture below, the blue areas mean completed and adopted specifications and the gray areas mean specifications that are under development. The specifications in red box of the lower right corner are the latest Audio Rendering Control related specifications which were officially adopted by Bluetooth SIG on 15 Dec 2020. Audio Rendering Control is defined based on Volume Control Profile (VCP) which includes Volume Controller and Volume Renderer roles. Volume Controller is acted as GATT Client while Volume Renderer is acted as GATT Server. Volume Renderer as GATT Server must support Volume Control Service (VCS) and may optionally support Volume Offset Control Service (VOCS) & Audio Input Control Service (AICS). The relationship of Audio Rendering Control related Profile and Services is illustrated in picture below: An example of Audio Rendering Control implementation in actual product is shown in picture below. AICS is applicable for devices with multiple audio input types and VOCS is applicable for devices with multiple audio speakers. VCS (Volume Control Service) defines characteristics related to volume control such as volume setting, mute control, as shown in table below: AICS (Audio Input Control Service) defines characteristics related to audio input control such as audio input state, audio input type, audio input description, as shown in table below:  VOCS (Volume Offset Control Service) defines characteristics related to volume offset control such as volume offset, audio output positions, as shown in table below: Audio Rendering Control is one of the four building blocks defined in Generic Audio Framework of LE Audio, other building blocks related specifications to be released by Bluetooth SIG in 2021 and we will introduce them in timely manner, just stay tuned! 
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  • BQB
    Summary The Bluetooth® Qualification Process refers to the qualification of a specific design of Bluetooth® wireless technology by an individual Member. The design applies and is limited to those specific portions of a product implementing and being compliant with a Bluetooth® Specification, as declared in the Implementation Conformance Statement (“ICS”). A qualified design of Bluetooth® wireless technology shall meet all Bluetooth® Qualification Requirements on an implementation (i.e. a product) of that design.  Bluetooth® Qualification shall refer to a specific version of the Bluetooth® Specification and to all Bluetooth® Qualification Requirements pertaining to such version. Application requirements Bluetooth® Qualification Requirements comprises of the following:  - Testing  - Documentation  - Document Filing  - Assessment  - Supplier Declaration of Conformity (SDoC)  - Compliance to Auditing and Enforcement  The Bluetooth SIG assesses an administrative fee on completion of this process (known as the Declaration fee) to cover the costs of operating the compliance program and providing other important member tools. The fee is USD 4,000 per declaration for Associate and Promoter members and USD 8,000 per declaration for Adopter members. Note: there are instances where members may list multiple products under one declaration if these products implements same Qualified Design(s). Additionally, small or start-up member companies can purchase up to two declarations for a fee of USD 2,500 each, if they meet the requirements of the Innovation Incentive Program (IIP). Process Qualification Process for New Design or Modified Qualified Design Qualification Process for Product using End Product or Subsystem Qualified Design(s)
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