A development PC with QACT installed (available via the Qualcomm CreatePoint portal for authorized partners).
ACDB files are binary and difficult to diff manually. Use QACT’s XML export features to track changes in Git or SVN repositories to prevent regression issues.
When you launch the tool, you are greeted with a multi-tab workspace: qualcomm audio calibration tool
When a manufacturer designs a smartphone, IoT device, or automotive infotainment system, the physical housing introduces acoustic distortions. Components like speaker enclosures, microphone placements, and device materials alter how sound waves travel. QACT provides the graphical interface and diagnostic depth necessary to counteract these physical limitations through digital signal processing. Key Capabilities and Features
This often points to over-boosting specific frequencies in the PEQ or setting aggressive thresholds in the DRC. Back off the gain or reset the block parameters to default to isolate the issue. Conclusion A development PC with QACT installed (available via
Connects to the target hardware via a High-Speed USB interface using Android Debug Bridge (ADB) or Qualcomm’s proprietary diagnostic (DIAG) ports.
QACT configures how the DSP (Digital Signal Processor) handles audio by defining these topologies, which are then compiled into the binary firmware loaded by the kernel. The Audio Calibration Database (ACDB) The ACDB is the data repository that QACT manages: When you launch the tool, you are greeted
Apply parametric EQ curves (peaking, high-shelf, low-shelf filters) to flatten response valleys and suppress harsh resonant peaks caused by the physical plastic speaker housing. Step 4: Voice and Noise Suppression Tuning
Connect the target Snapdragon device to the PC via a USB cable.
Download the Audio Calibration SDK which includes the manual and the tool itself.
This module displays a visual flowchart of the active audio graph. Users can see exactly which processing blocks—such as high-pass filters, dynamic range compressors, or equalizers—are active in the playback or recording chain. 2. Real-Time Parameter Tuning