ACDB

ACDB (Audio Calibration Database)

ACDB is used to adjust ADSP audio parameters. As shown in the figure below, there are currently 7 ACDB files available for use. The workspaceFile.qwsp shown below is a project file for the QACT tool to open the ACDB files.

QACT, a kind of audio parameters adjustment tool provided by Qualcomm, is used to calibrate ACDB. ACDB files are loaded into memory in the process of alsaucm_test. If the process is not enabled, online calibration mode cannot be used on QACT tool.

import ACDB

Copy the SDK to Linux and execute the following command to unzip the SDK.

unzip sudo tar -jxvf EC20CETFDKR05A03V01M2G_OCPU_DJJ_SDK.tar.bz2