Bluetooth Audio
AB1577 / AB1571 series
LE audio certified
AB1577 / AB1571 series
LE audio certified
AB157x is a Bluetooth 5.3 and LE audio certified single chip solution and contains an ARM® Cortex®-M4F application processor which can achieve high performance and power efficiency.
A Tensilica HiFi Mini processor is embedded for the I/O peripheral control, protocol stack and DSP processing functions of AB157x.
It integrate Audio codec, Hybrid Active Noise Cancellation (ANC), New generation echo cancellation and Super wideband AI noise reduction schemes improved audio quality of the voice calls on the headset products. It also supports the new generation of ambient sound, providing a more natural hear-through experience.
AB157x also supports the latest LE Audio/Auracast, enabling richer Bluetooth use cases. In addition, with AIROHA/MTK Bluetooth® High Data-rate Technology, AB1577 can transmit lossless audio to enhance audio quality and music listening.
SPECIFICATIONS
PRODUCT MODEL
AB1577 / AB1571
HOST PROCESSOR
ARM® Cortex®-M4
DSP PROCESSOR
Cadence® HiFi Mini®Audio Engine DSP coprocessor
BLUETOOTH
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Bluetooth 5.3
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BR, EDR, Bluetooth Low Energy, Dual-mode
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AIROHA/MTK Bluetooth® High Data-rate Technology
POWER MANAGEMENT
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Highly integration PMU
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Li-ion battery charger for internal charging
FLASH
-
Embedded Flash 4MB/8MB
AUDIO
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The maximum sample rate is 192 KHz and data precision is 24-bit
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Hybrid Active Noise Cancellation(ANC)
- Feedforward ANC
- Feedback ANC -
Adaptive ANC
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mono or stereo data transactions
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AI Noise suppression and echo cancellation
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Multiband Programmable EQ and Dynamic Range Control
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Vivid passthrough(Natural Ambient sound)
FEATURES
SOFTWARE
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FOTA
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Voice assistant support
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Reference iOS, Android smart phone, PC APP
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Programmable SW development kit and tool support
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Audio/ANC/voice tuning tool
APPLICATION
APPLICATION
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Stereo headset, TWS, Speaker, Soundbar and subwoofer, BT transmitter
