Acer Aspire 5951G Acer Aspire 5951G Service Guide - Page 55

Audio Codec and Amplifier Item Audio Controller Features Specification Realtek ALC669X-GR  Meets Microsoft WLP (Windows Logo Program) audio requirements  High performance DACs with digital >110dB and analog 98dB (A-weighting) signal-to-noise  High performance ADCs with digital > 100dB and analog 90dB (A-Weighting) signal-to-noise ratio  Six DAC channels support 16/20/24-bit PCM format for 5.1 sound playback  Two stereo ADCs support 16/20/24-bit PCM format, multiple stereo recording  All DACs supports 44.1k/48k/96k/192kHz sample rate  All ADCs supports 44.1k/48k/96k/192kHz sample rate  Primary 16/20/24-bit SPDIF-OUT supports 32k/44.1k/48k/88.2k/96k/192kHz sample rate  Secondary 16/20/24-bit SPDIF-OUT supports 32k/44.1k/48k/88.2k/96k/192kHz sample rate  Analog jacks (port-A, B, C, E and G) support stereo input and output re-tasking  Support MONO output at port-H  Port-A/D/E/F built in headphone amplifiers  Port-E and Port-F headphone amplifiers can drive earphone directly without DC blocking capacitor  Port-B/C/E/F with software selectable boost gain (+10/+20/+30dB) for analog microphone input  Supports external PCBEEP input and built-in digital BEEP generator  Software selectable 2.5V/3.2V VREFOUT  Supports legacy analog mixer architecture  Four channels of digital microphone array input for voice applications  Two jack detection pins each designed to detect up to 4 jacks plugging  1.0dB/step playback volume control  1.5dB/step recording volume control  High pass filter to cancel DC offset from AD converter  Jack detection function is supported when device is in power down mode (D3)  2 GPIOs (General Purpose Input and Output) for customized applications. GPIO0 and GPIO1 share pin with digital microphone  Supports anti-pop mode when analog power AVDD is on and digital power is off.  Audio Content Protection for Blu-Ray DVD playback (with selected player provided by InterVideo, CyberLink and ArcSoft) Hardware Specifications and Configurations 1-45