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Bluetooth> Audio>AB1520H

General Description

AB1520H is an advanced single-chip solution which integrates baseband and radio for intensive audio applications. It is Bluetooth 4.2 certified and supports wide band speech which is defined at HFP1.6, AAC decoder, and 2-Mic for better noise reduction and echo cancellation performance. AB1520H embeds serial flash which is more flexible for customer SW upgrading. With optimized MCU structure, interface arrangement and better DSP algorithm, AB1520H provides higher performance and crystal voice and music quality in most of the Bluetooth audio application for Speaker and Sound bar systems. AB1520H supports “AiroStereo” which two speakers can connect to each other, play left channel in one speaker and play right channel in another speaker as a wireless stereo system. AiroStereo can let end users have great stereo experience without wire connection. AB1520H supports “AiroWoofer” which can play stereo in the sound bar and send the bass signal to subwoofer with very low latency. It means customers can quickly and easily develop high-quality sound bar and 2.1 channel products.
 

Features

  • BT 4.2 including low energy profiles
  • Support EDR function
  • A2DP profile version 1.3 compliant
  • HFP profile version 1.6 compliant
  • HSP profile version 1.2 compliant
  • AVRCP profile version 1.5 compliant
  • SPP profile version 1.2 compliant
  • Multipoint for HFP and A2DP
  • Embedded 96MIPS dual-MAC DSP coprocessor
  • 2-Mic Noise reduction and Echo cancellation
  • Programmable EQ
  • Support Packet loss concealment
  • Support Wide band speech, wide band voice prompt and customized voice prompt
  • Support Voice command
  • Support AAC_LC decoder
  • Support AiroStereo. AiroShare. AiroWoofer
  • Build in Battery service, proximity profiles
  • Integrated Li-ion battery charger supports 700mA fast charging and over-discharging protection
  • Integrated 1.35V Buck and 3V/1.8V LDO regulator

Applications

  • Stereo speaker
  • Sound bar system
  • Airowoofer Sound bar system