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DATASHEET
4-CHANNEL HD AUDIO CODEC WITH QUAD
DIGITAL MICROPHONE INTERFACE
Description
The 92HD005/92HD005D are high fidelity, 4-channel HD
Audio CODECs that enable 2.0 Audio with simultaneous
Real-Time Communication such as VoIP, conferencing,
voice command and control, etc. Up to four digital
microphones are supported, enabling high quality voice
input for increased usability of voice applications.
92HD005/92HD005D
IDT
1
92HD005/92HD005D
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
Features
High performance
SD
technology
95dB DAC SNR
90dB ADC SNR
Two stereo DACs and two stereo ADCs
Supports 2.0 Audio with simultaneous Real-Time
Communication (RTC) channel such as VoIP or separate
stereo audio stream
Provides mono output for laptop sub-woofer
24-bit resolution with up to 192 KHz sample rates
Supports advanced chipsets with flexible 1.5 V to 3.3 V
signaling
Digital microphone interface
Direct interface to up to four digital microphones
Analog stereo microphone
Microphone Boost 0, 10, 20, 30, 40dB
Five adjustable Vref outputs for microphone bias
Universal Jacks functionality for jack retasking
S/PDIF In and Out
Two-pin volume up/down control
Digital PC Beep to all outputs
+3.3 V and +5 V analog power supply options
Block Diagram
Optimized and flexible power management
48-pin LQFP and 48-pad QFN environmental package
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
audio connections made
Dynamics Processing SKPI plug-in
Enables improved voice articulation
Compressor/limiter allows higher average noise level without
resonances
Third Party Partners
Dolby PC Entertainment Experience Logo Program
Dolby Home Theater
(HT)
Dolby Sound Room
(SR)
Dolby Technologies
Dolby Headphone
, Dolby Virtual Speaker
Dolby ProLogic II
, Dolby ProLogic IIx
Dolby Digital Live
(DDL)
Intel Audio Studio
from Sonic Focus
Maxx Player
from Waves
Microphone Beam Forming, Acoustic Echo Cancellation,
and Noise Suppression from Knowles
H
I
D
SPDIF
P
Port A
Port B
Port C
Port D
Port E
Port F
SPDIF In/Out
X