- 基于ROM的解决方案–无需昂贵、累赘的外部存储器组件，就能实现更紧凑、更经济实惠的设计；
-- 远端回声和噪声消除–显著减轻了话音重叠问题，可使通话更清晰；
-- 内置语音识别技术–使设备制造商能在产品中支持语音指令，从而提升用户体验；
-- 增强的近端语音可懂度–自动为用户提高音频质量和音量；
-- 集成的多语言语音提示（在内置ROM中）–提高易用性，降低材料成本；
-- 集成的快速充电电源管理单元（PMU）–仅用几分钟就能给耳机再充电；
-- 高度可调的音频算法–可进一步实现产品的差别化，并能适应各种不同的产品外形尺寸，这种能力目前是业界独一无二的。

产品特性
• Single-chip Bluetooth 3.0 transceiver supporting
Bluetooth 2.1 + Enhanced Data Rate (EDR) and
Bluetooth 2.0, 1.2, and 1.1 backward compatibility
• Best-in-class Bluetooth radio with 8 dBm transmit
power and – 91 dBm receive sensitivity
• Support for side tone and digital microphones
• Supports microphone and speaker equalization
• High-performance ARM Cortex™-M3 processor
• On-chip SRAM and ROM
• Extensive configuration tool for application
differentiation and audio path tuning
• Integrated SmartAudio® speech enhancement
algorithms
- Noise suppression
- Echo suppression
- Wind-noise suppression
- Packet-loss concealment
- Bit-error concealment
- Speech-intelligibility enhancement
- Automatic gain control (AGC) and automatic
volume control (AVC)
• UART and UART over USB adapter for test and
configuration
• Switching regulator, battery charger, and power
management unit
• Supports fast charging, power dissipation
monitoring, and optional charger voltage
regulation
• High quality 8 kHz and 16 kHz audio codec with a
single microphone interface
• Low power operation
• 5.5 mm × 4.5 mm, 66-ball WFBGA package with a
0.5 mm pitch and a 7 mm x 8 mm, 52-pin QFN
package with a 0.5 mm pitch
• Pin-to-pin compatible with the BCM20740/
BCM20741/BCM20742
• Full-featured and configurable mono headset
application firmware built on Broadcom’s
Bluetooth for embedded (BTE) audio stack
• Infinite Shelf Life Extension support
• Multilanguage voice prompt
• Advanced multipoint
• Pairing enhancements
• A2DP over mono
• Voice command recognition

产品应用
—蓝牙立体声耳机
—蓝牙立体声音响
—蓝牙会议扩音器
—高端蓝牙耳机
—更多......