Acer Aspire 5750 Service Guide - Page 45

Audio Codec and Amplifier Item Audio Controller Features Amplifier Features Specification Audio codec: Realtek ALC271X-GR Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) Two stereo ADC supports 16/20/24-bit PCM format for two independent recording All DACs support independent 44.1k/48k/96k/192kHz sample rate All ADCs support independent 44.1k/48k/96k/192kHz sample rate Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate Supports line level mono output Supports analog PCBEEP input, and features an integrated digital BEEP generator Support two stereo digital microphone input for microphone array AEC/BF application Supports legacy analog mixer architecture Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) Supports EAPD (External Amplifier Power Down) control for external amplifier Supports anti-pop mode when analog power AVDD is on and digital power is off Supports 1.5V~3.3V scalable I/O for HD Audio link 48-pin LQFP 'Green' package N/A N/A Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Realtek ALC271X-GR On board Stereo Support 16/24bit PCM HD audio Interface; Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) Yes Yes/(2W speakers x2) http:/H/armdwyacreoSmpepc.isficuat-ionЗsаaпnчd аCсoтnfиiguиraкtioоnмs 1с-3м5