SmartGPU2-LCD480X272Touch-Datasheet

SMART GPU 2 4.3” TOUCH
Datasheet
Vizic Technologies ©2016 14
1.9 Typical Audio headphones/speakers connections:
The Smart GPU 2 supports stereo audio output, the pins labeled AL(Audio Left
Channel) and AR(Audio Right Channel) are the audio DACs outputs. The processor can
manage any Audio file, so files with .wav extension will be easily opened and played.
The following circuit connections are recommended to achieve a good CLEAN
headphones or speaker’s connection, no LPF or HPF Filter is applied to outputs.
The SMART GPU 2 can play any RIFF-WAVE format sound files known as
Microsoft wave file in LPCM: 8/16 bits, Mono or Stereo sound, and up to 48KHz
sampling rate (CD Quality). Any other format of sound files (mp3,acc,wma,etc)
must be converted to the .wav format.
A complete tutorial on how to load Audio Files to the SD card is explained
on this PDF file at the SD card file management section.