Qualcomm Audio Calibration Tool Page

Adjust parameters within the ACDB for specific hardware configurations.

Multi-band filtering to flatten the frequency response curve of low-cost or micro-speakers. Step-by-Step Guide: Setting Up a Live Tuning Session

Connect the tool to the device to pull the active ACDB topology. Step 3: Parameter Modification

Modern smartphones are complex audio beasts. A single device has multiple microphones (top, bottom, back) and speakers (earpiece, main loudspeaker). ACT handles the .

This architecture allows for a clear separation of concerns and enables powerful features like live tuning, which we will explore later. qualcomm audio calibration tool

The engineer loads the project-specific workspace files that define the hardware topology, microphone placements, and speaker configurations.

Engineers can integrate and calibrate proprietary 3rd-party audio modules alongside Qualcomm's native solutions.

: Advanced DSP tuning compensates for minor physical limitations in budget speaker components.

Qualcomm stores audio configuration data in Audio Calibration Database () files. Before making changes, engineers use QACT to read the default ACDB files directly from the device. These files contain the baseline parameters for every audio use case, known as "device profiles." Step 3: Acoustic Measurement and Profiling Adjust parameters within the ACDB for specific hardware

By integrating QACT into the hardware validation phase, Original Equipment Manufacturers (OEMs) achieve:

The AudioReach Creator (ARC) is the modern successor to the older QACT. As noted in the AudioReach documentation, ARC "is an open source and cross-platform software providing a user interface to audio design... known as Qualcomm Audio Calibration Tool (QACT) for older version".

Once the tuning satisfies all target specifications, click "Save to File" within the tool to generate the updated .acdb files. These files are integrated into the Android build system (typically under /vendor/etc/acdbdata/ ) for mass production. 5. Troubleshooting Common Tool Issues

Create and modify end-to-end audio use cases, defining how sound flows through the system. Real-time Tuning: This architecture allows for a clear separation of

The Qualcomm Audio Calibration Tool (QACT) is a foundational software utility for engineers, developers, and hardware integrators working within the Qualcomm Snapdragon ecosystem. As audio architectures grow more complex—driven by high-resolution playback, active noise cancellation (ANC), and spatial audio—achieving studio-quality sound requires precise hardware-software synergy.

The Qualcomm Audio Calibration Tool is an indispensable asset in modern hardware engineering. By demystifying the complex inner workings of the Hexagon DSP, QACT allows manufacturers to squeeze premium sound quality out of highly constrained physical hardware. Whether it is tuning crystal-clear voice calls via Fluence or shaping an immersive movie-watching experience on a flagship tablet, QACT remains the cornerstone of Snapdragon-powered audio innovation.

Adjust the Voice Quality Enhancement (VQE) noise-floor thresholds in the Tx (Transmit) path.