FM-1288-GA1-400B 데이터 시트보기 (PDF) - Unspecified
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FM-1288-GA1-400B Datasheet PDF : 60 Pages
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1. Introduction
FM1288 is the new generation of Fortemedia’s system-on-chip (SOC) solution that provides high
performance voice processing for automotive hands-free applications. It delivers state of the art single-
microphone and dual-microphone noise suppression with acoustic echo cancellation technologies for in-
vehicle and personal navigation devices (PND) based hands-free voice communications.
1.1 Overview
Incorporating the latest Fortemedia technologies for removing ambient noise and acoustic echoes, the
FM1288 preserves voice naturalness for greater speech intelligibility in a variety of noisy automotive
enviroments. Designed to be compatible with a wide range of host processors and blue-tooth devices,
the FM1288 voice processor is designed for easy system integration.
The FM1288 provides system designer the flexibilities to customize each processing module and fine-tune
the algorithms to the unique needs and acoustic path characteristics of the manufacturer’s automotive
model cabin or handsfree communication device.
1.2 Key Features
Highly integrated SOC
o Digital Signal Processor(DSP) with Hardware Accelerators, RAM, and ROM
o 3 ADC (Analog to Digital Converter)
o 2 DAC (Digital to Analog Converter)
o Differential I/O on all analogs to improve noise immunity
o 2 On-chip analog microphone inputs
o IIC-Compatible Serial (SHI) and UART control interface to host processor
o IIS-Compatible and PCM data interface to host or Bluetooth processor
o Built-in PLL supports highly flexible clocking input
o Can operate as co-processor or as standalone processor
High performance
o Advanced algorithms for acoustic echo cancellation and noise reduction
o Robust full-duplex for in-vehicle applications
o Preserves voice naturalness and effective in automotive environment
o Wideband (HD Voice) and narrowband voice processing
o Bright Voice Enhancement (BVE) for downlink listening improvement
o Dynamic Range Control (DRC) for range control
o Equalization (EQL) on uplink and downlink voice paths
o Line in and Line out signal path Automatic Gain Control (AGC)
o Configurable processing modules performance
o Non-invasive run-time performance tuning via UART and IIC-compatible port
o Run time switching between processing mode and various by-pass modes
o User-selectable between two microphone inputs (usage - one for front-seat passengers
and another for back-seat passengers in vehicle cabins)
Available in 48-pin LQFP packages, Automotive Grade
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