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ES1988 - PCI Audio-Modem Accelerator

General Description

The ES1988 Allegro™ PCI audio-modem accelerator combines advanced audio and modem functionality in a highly integrated PCI solution.

Utilizing one PCI load, the ES1988 provides a two chip audio-modem solution with digital interface capability to an AC’97 CODEC in the dock (a.k.a.

digital docking).

Key Features

  • such as DirectSound acceleration, and HRTF 3-D positional audio. The ES1988 implements multi-stream DirectSound and DirectSound3D acceleration with digital mixing, sample rate conversion and HRF 3-D filtering for two speaker 3D positional audio. The programmable audio signal processor provides support for multiple audio streams. With its built-in DSP core, the ES1988 uses its dedicated DMA engine to handl.

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Full PDF Text Transcription (Reference)

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ES1988 Allegro™ PCI Audio-Modem Accelerator Data Sheet DESCRIPTION The ES1988 Allegro™ PCI audio-modem accelerator combines advanced audio and modem functionality in a highly integrated PCI solution. Utilizing one PCI load, the ES1988 provides a two chip audio-modem solution with digital interface capability to an AC’97 CODEC in the dock (a.k.a. digital docking). The ES1988 is designed to provide a low cost, high-performance solution for notebook PC applications. The high-bandwidth PCI bus and an integrated high-fidelity CODEC are utilized to deliver advanced PC audio features, such as DirectSound acceleration, and HRTF 3-D positional audio.