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STAC9227 Datasheet(PDF) 1 Page - Integrated Device Technology |
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STAC9227 Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 237 page  DATASHEET 8-CHANNEL HIGH DEFINITION AUDIO CODEC STAC9227/9228/9229/9230 IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC 1 STAC9227/9228/9229/9230V 1.0 MARCH 2007 IDT CONFIDENTIAL 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 Σ∆ 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. Features • High performance HD Audio CODEC provides Theater Quality Audio • High performance Σ∆ technology • 105dB DAC SNR • 90dB ADC SNR • Four Stereo DACs and three stereo ADCs • Supports 7.1 audio or 5.1 audio with simultaneous Real Time Communication (RTC) channel such as VoIP or separate stereo audio stream • 24-bit resolution with up to 192 KHz sample rates • Digital Microphone Interface • Direct interface up to four Digital Microphones • Analog Stereo Microphone • Microphone Boost 0, 10, 20, 30, 40dB • Six adjustable Vref outputs for microphone bias • Integrated Headphone Amps (3). • S/PDIF In and Out • ADAT® Optical “Lightpipe” Output Support • Volume Up/Down Control • Jack Insertion Detect and Impedance Sensing Supports Jack Retasking and Universal Jacks • Digital PC Beep to all outputs • +3.3 V to +5 V analog power supply options • Environmental 48-pin LQFP package option Software Support • SKPI (Kernel Processing Interface) • Enables plug-ins that can operate globally on all audio streams of the system • 12 band parametric equalizer SKPI plug-in • Constant, system-level effects tuned to optimize a particular platform can be combined with user-mode “presets” tailored for specific acoustical environments and applications • System-level effects automatically disabled when external connections made • Dynamics Processing SKPI plug-in • Enables improved voice articulation • Compressor/limiter allows higher average noise level without resonances • Dolby PC Entertainment Experience Logo Program • Dolby Master StudioTM • Dolby Home TheaterTM • Dolby Sound RoomTM • Dolby Technologies • Dolby HeadphoneTM, Dolby Virtual SpeakerTM • Dolby ProLogic IITM, Dolby ProLogic IIxTM • Dolby Digital LiveTM • Intel Audio StudioTM from Sonic Focus • Maxx PlayerTM from Waves • Microphone Beam Forming, Acoustic Echo Cancellation, & Noise Suppression from KnowlesTM |
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