Bluetooth Audio

AB1585 series
LE audio certified

AB1585 series
LE audio certified

AB1585 is a Bluetooth 5.3 and LE audio certified low-power Bluetooth audio chipset with an application processor, one digital signal processor (DSP), a Bluetooth transceiver, and a power management unit (PMU).

AB1585 contains an ARM® Cortex®-M33F application processor which can operate in a range of frequencies between 1MHz up and 260MHz.

The DSP subsystem is based on Cadence® HiFi5®Audio Engine DSPs with flexible frequency from 26MHz up to 520MHz which can achieve high audio performance and balanced power efficiency.

It integrate Audio codec, Hybrid Active Noise Cancellation (ANC), New generation echo cancellation and AI noise reduction schemes improved audio quality of the voice calls on the headset products.

AB1585 also supports Airoha MCSync(Multi cast synchronization) technology and LE audio which allows earbuds to seamlessly switch between the left and right earbud for a more balanced sound with low latency.

SPECIFICATIONS

PRODUCT MODEL

AB1585

HOST PROCESSOR

ARM® Cortex®-M33F

DSP PROCESSOR

Cadence® HiFi5®Audio Engine DSP coprocessor

BLUETOOTH

  • Bluetooth 5.3

  • BR, EDR, Bluetooth Low Energy, LE audio, Dual-mode

POWER MANAGEMENT

  • Highly integration PMU

  • Li-ion battery charger for internal charging

FLASH

  • Embedded Flash 8MB/16MB

AUDIO

  • The maximum sample rate is 192 KHz and data precision is 24-bit

  • Hybrid Active Noise Cancellation(ANC)
    - Feedforward ANC
    - Feedback ANC

  • Adaptive ANC

  • mono or stereo data transactions

  • AI Noise suppression and echo cancellation

  • Multiband Programmable EQ and Dynamic Range Control

  • Ambient sound

FEATURES

SOFTWARE

  • FOTA

  • Voice assistant support

  • Reference iOS, Android smart phone, PC APP

  • Programmable SW development kit and tool support

  • Audio/ANC/voice tuning tool

APPLICATION

APPLICATION

  • Stereo headset, TWS, Speaker, Soundbar and subwoofer, BT transmitter

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