Realtek PDF datasheets for ALC268

The ALC268 series (ALC268-VB1/ALC268/ALC268Q) 4-Channel ADC High Definition Audio Codecs with UAA (Universal Audio Architecture). Featuring two stereo DACs and two stereo ADCs, the 4 DAC channels support stereo sound playback on the rear panel and independent stereo sound output on the front panel simultaneously (multiple streaming). The two stereo ADCs integrate two stereo and independent analog sound inputs.

The ALC268-GR and ALC268Q-GR meet the current WLP3.10 (Windows® Logo Program) requirements. The ALC268-VB1-GR is the B version of the ALC268 and meets future WLP requirements that become effective from 01 June 2008, bringing PC sound quality closer to consumer electronic devices.

The ALC268 series support up to 4 digital microphone channels (microphone array) with Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) technology simultaneously, significantly improving sound quality for PC VoIP applications.

The S/PDIF output offers easy connection of PCs to high quality consumer electronic products such as digital decoders and speakers.

The ALC268 series support host audio controller from the Intel ICH series and upcoming PCH chipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2/A3D compatibility, and excellent software utilities like environment sound emulation, multiple and independent software equalizer bands, dynamic range control, optional Dolby® Digital Live, Dolby® PCEE programs and SRS® TrueSurround HD, the ALC268 provides an excellent multimedia experience for PC users.

The ALC268 series are 4-Channel High Definition Audio Codecs with UAA (Universal Audio Architecture), featuring two stereo DACs and two stereo ADCs. The 4 channels of DAC support stereo sound playback on the rear panel and independent stereo sound output on the front panel simultaneously (multiple streaming). The two stereo ADCs integrate two stereo and independent analog sound inputs.

The ALC268 series incorporates Realtek proprietary converter technology to achieve 95dB dynamic range playback quality and 90dB dynamic range recording quality. They are designed for Windows Vista premium desktop and laptop systems.

The ALC268 series also supports up to 4 digital microphone channels (microphone array) with Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) technology simultaneously, significantly improving sound quality for PC VoIP applications.

The S/PDIF output offers easy connection of PCs to high quality consumer electronic products such as digital decoders and speakers.

The ALC268 supports host/soft audio from the Intel ICH chipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2/A3D compatibility, and excellent software utilities like Karaoke mode, environment emulation, and software equalizer audio technology to provide an excellent entertainment package and game experience for PC users.