STAC9227X3TAEYYX Datasheet

IC型號(hào)：
STAC9227X3TAEYYX
PDF描述：
8-CHANNEL HIGH DEFINITION AUDIO CODEC
文件大?。?/label>
1952.68KB
PDF頁(yè)數(shù)：
237頁(yè)
芯片廠家：
IDT

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DATASHEET

8-CHANNEL HIGH DEFINITION AUDIO CODEC

Description

The

STAC9227/9228/9229/9230

are a family of Theater

Quality 8-channel audio CODECs that enable systems with

7.1 audio or 5.1 audio playing simultaneously with VoIP or

another stereo audio stream. SigmaTel's proprietary

危鈭?/div>

technology provides high fidelity with an estimated DAC

SNR up to 105dB. Up to four digital microphones are

supported enabling high quality voice input for increased

usability of voice applications.

STAC9227/9228/9229/9230

鈥?/div>

Digital PC Beep to all outputs

+3.3 V to +5 V analog power supply options

Environmental 48-pin LQFP package option

Software Support

鈥?/div>

SKPI (Kernel Processing Interface)

鈥?/div>

Enables plug-ins that can operate globally on all audio

streams of the system

Constant, system-level effects tuned to optimize a

particular platform can be combined with user-mode

鈥減resets鈥?tailored for specific acoustical environments

and applications

System-level effects automatically disabled when

external connections made

Enables improved voice articulation

Compressor/limiter allows higher average noise level

without resonances

Dolby Master Studio

Dolby Home Theater

Dolby Sound Room

Dolby Headphone

, Dolby Virtual Speaker

Dolby ProLogic II

, Dolby ProLogic IIx

Dolby Digital Live

Features

鈥?/div>

High performance HD Audio CODEC provides

Theater Quality Audio

High performance

危鈭?/div>

technology

12 band parametric equalizer SKPI plug-in

鈥?/div>

105dB DAC SNR

90dB ADC SNR

Supports 7.1 audio or 5.1 audio with simultaneous Real

Time Communication (RTC) channel such as VoIP or

separate stereo audio stream

鈥?/div>

Four Stereo DACs and three stereo ADCs

Dynamics Processing SKPI plug-in

24-bit resolution with up to 192 KHz sample rates

Digital Microphone Interface

Dolby PC Entertainment Experience Logo Program

鈥?/div>

Direct interface up to four Digital Microphones

Microphone Boost 0, 10, 20, 30, 40dB

Six adjustable Vref outputs for microphone bias

Analog Stereo Microphone

鈥?/div>

Dolby Technologies

Integrated Headphone Amps (3).

S/PDIF In and Out

ADAT

廬

Optical 鈥淟ightpipe鈥?/div>

Output Support

Volume Up/Down Control

Jack Insertion Detect and

Impedance Sensing Supports Jack Retasking and

Universal Jacks

Intel Audio Studio

from Sonic Focus

Maxx Player

from Waves

Microphone Beam Forming, Acoustic Echo

Cancellation, & Noise Suppression from

Knowles

IDT鈩?/div>

8-CHANNEL HIGH DEFINITION AUDIO CODEC

IDT CONFIDENTIAL

STAC9227/9228/9229/9230V 1.0 MARCH 2007

型號(hào)

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描述

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