HP 9790c (US/CAN) Digitized Sounds, Synthesized Music, Communications Interface, Audio Mixer

Model CT5801 OEM Datasheet for Hewlett-Packard

Specifications

Digitized Sounds

•Sound Blaster 16 compatible

•AC97 CODEC supporting stereo sampling 48kHz (Fixed); Multiple sample rate support

•Recording source: microphone, stereo line-in, CD-audio, video, modem, or multiple source recording

•PCI Bus Master for fast DMA

•Up to 128 simultaneous voice polyphony

•Full genuine DOS Game Compatibility

•3 stereo inputs and 2 mono inputs can be mixed into the output stream

•Direct I/O space access of the control registers

•100 Pin PQFP or TQFP

•External S/PDIF Connector

•Fully Compliant with PC99 Power Management specification

Synthesized Music

•128 Voice WaveTable Synthesizer

Communications Interface

Telephone Answering Device (TAD) Interface

•Telephone Answering Device for modem connection. Allows a single microphone and stereo speaker set to be used for both voice modem and sound card audio applications (message recording and playback, speakerphone, etc.)

Audio Mixer

•Output mixing of all audio sources: Digitized sounds, synthesized music, line-in, CD-audio, TV tuner, microphone.

•Input mixing sources: Synthesized music, microphone, Aux-in, CD audio.

•Multiple source recording and L/R channels may be swapped or mixed.

•6 channel mixer for access to digitized sound, synthesized music, microphone, CD-audio, line-in

•Spatial audio control for digital audio and music synthesizer

•Reverb and chorus control for music synthesizer

MIDI Interface

•MPU-401 UART

Advanced Wave Table Synthesis

•Creative Advanced Synthesis Engine

•128 voice polyphony and multi-timbral capability

•128 GM wavetable instruments

•GS sound set + 10 drum kits in 4 & 8 MB sample sets

•16 MIDI channels

•128 MT-32 compatible instruments

•Digital effects engine for reverb, chorus and spatial- sound

•2MB, 4MB, & 8MB sample sets

Sampling Subsystem

•Host memory support

•Virtually unlimited variations of sound

3D Audio Technology

•Supports EAX

•Multi-algorithm Reverb and Chorus

•Supports Microsoft’s DirectSound 3D

•Supports Aureal A3D API

•Improves sound clarity, spatial realism and sound effects, through the minimization of crosstalk

•Dynamically adjusts for monophonic or stereophonic input without user intervention

Joystick Port

•Standard PC joystick port for 1 or 2 joysticks.

SPDIF Interface

•2-channel digital audio interface

•Output connector to a DAC receiver (i.e. digital speakers)

Inputs and Outputs

•Stereo 2W/channel power amplifier

•Line In

•Line Out/SPDIF Out (SPDIF Out optional)

•Microphone In

•CD In

•TAD

•TV Tuner

•Joystick/MIDI

Audio Performance

Frequency Response	20	Hz to 20 kHz (Source: Line in)
(+0/-3dB)	30	Hz to 20 kHz (Source: Mic)
Line-In Voltage Range	0 to 2		Vrms
Line-Out voltage at 0dB	0 to 2		Vrms (10kohms load)

Reference signal 1KHz (measured with wide-band filter 22Hz-22kHz):

Signal to Noise Ratio	> 90 dBr A-wtg (Source: Line-in)
THD+ N	0.01% (Source: Line-in)
	70 dBr A-wtg(Source:35dBu Mic-in)
Microphone Input Range	0 to 100 mVrms
Line-In Impedance	10 kohms
CD Audio-In Impedance	10 kohms
CD Audio-In Input Range	0 to 1 Vrms

Power Consumption (estimated)
+5 Volt Current Consumption	50 mA (Typ)
+12 Volt Current Consumption	75 mA (Typ)
-12 Volt Current Consumption	35 mA (Typ)
Temperature range
Operation	10 to 50 degree C
Non-operating	-40 to 125 degree C

OEM Datasheet for HP - Revision 1.0, October 26, 2000

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All specifications are subject to change without prior notice.