STAC9274

www.DataSheet4U.com DATASHEET 10-CHANNEL HIGH DEFINITION AUDIO CODEC Description The STAC927x “Red River” is a family of Theater Quality 10-channel audio CODECs that enable systems with 7.1 audio playing simultaneously with VoIP or another stereo audio stream. IDT'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. STAC9271/9272/9273/9274 Digital PC Beep to all outputs +3.3 V to +5 V analog power supply options Environmental 48-pin LQFP package Software Support SKPI (Kernel Processing Interface) 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 “presets” 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 StudioTM (See Table) Dolby Home TheaterTM (See Table) Dolby Sound RoomTM (See Table) Dolby HeadphoneTM, Dolby Virtual SpeakerTM Dolby ProLogic IITM, Dolby ProLogic IIxTM Dolby Digital LiveTM Features High performance HD Audio CODEC provides Theater Quality Audio High performance Σ∆ technology 12 band parametric equalizer SKPI plug-in 105dB ...