FEATURES Insight development environment simulation environment B
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BCM1600-BTE AUDIO
FEATURES Insight development environment
simulation environment Bluetooth protocol trace debug Headset configuration graphical user interface Compile download target BCM2047 BCM2044 hardware
BTE-AUDIO SOFTWARE DEVELOPMENT ENVIRONMENT
FEATURES Bluetooth® software stack
Interoperable with BTE-Mobile stack Optimized audio applications Bluetooth compliant-upgradable future versions
BTE-Audio core stack
(Host Controller Interface) L2CAP (Logical Link Control Adaptation Protocol) RFCOMM (RS-232 Serial Cable Emulation Profile) (Service Discovery Protocol) Bluetooth manager (Generic Kernel Interface) (Subband codec) (Headset Profile) HFP/HFP1.5 (Hands-Free Profile) AVDTP (A/V Distribution Transport Protocol) AVCTP (A/V Control Transport Protocol) GAVDP (Generic Distribution Profile) Upgradable other profiles
SUMMARY BENEFITS Based field-tested well-deployed BTE-Mobile stack Highly interoperable with BTE-Mobile sources Easy-to-use development environment APPLICATIONS Basic mono headset Midrange mono headset Quality mono headset Stereo headphones Stereo headset Clip headset with
BTE-Audio profiles
Insight Development Environment Audio
OVERVIEW
Mono Headset Application
Application Programming Interface Application Programming Interface
Stereo Headset Application
Audio APIs Utilities Utilities (HSP HFP) Call-Ins/ Call-Outs Upper Layer Stack
Host Controller Interface
Audio APIs Upper Core Stack (GAP SDAP) (HSP HFP)
Upper Core Stack Call-Ins/ Call-Outs
(GAP SDAP)
(A2DP AVRCP)
Upper Layer Stack
Host Controller Interface
Bluetooth® Firmware Core
Bluetooth Core Lower Layer Stack
Audio Manager (AudioDE, Sound Driver)
Bluetooth® Firmware Core
Bluetooth Core Lower Layer Stack
Audio Manager (AudioDE, Sound Driver, SBC)
Bluetooth Radio Bluetooth Hardware Layer
Codecs Bluetooth Hardware Layer
Bluetooth Radio
Codecs
Figure System Architecture Mono Headset
Figure System Architecture Stereo Headset
Broadcom BTE-Audio stack simplifies implementation Bluetooth protocols profiles providing high-level (BTE-Audio API) audio application. BTE-Audio optimized ease audio application development, accelerate customer time-to-market, provide customers with flexibility implement value-added differentiation their solutions. system architecture block diagrams (Figure Figure show BTE-Audio interfaces with typical mono stereo headsets using BCM2047 BCM2044 platforms. headset application interfaces with perform functions such Enabling disabling profiles Connecting peer device Performing call control, remote control commands, data flow interface connect audio data codec implemented through functions called call-ins call-outs. Utility functions provided application control operations involving LEDs, buttons, beeps also access NVRAM.
Acronyms SDAP audio sink Bluetooth application Bluetooth embedded modules Bluetooth Windows data engine device manager extended data rate Generic Access Profile headset man-machine interface Access Profile Service Discovery Application Profile
Broadcom®, pulse logo, Connecting everything®, Connecting everything logo among trademarks Broadcom Corporation and/or affiliates United States, certain other countries and/or other trademarks trade names mentioned property their respective owners.
BROADCOM CORPORATION 5300 California Avenue Irvine, California 92617
2007 BROADCOM CORPORATION. rights reserved. 1600-BTE-PB01-R 12/06/07
Phone: 949-926-5000 Fax: 949-926-5203 E-mail: info@broadcom.com Web: www.broadcom.com
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