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Audio Measurements and Results

Audio Measurements and Results

This training series outlines key measurements for audio products, specifically signal-to-noise ratio, crosstalk and gain, intermodulation distortion, frequency response and phase, THD+N and level. These videos explain the basic principles of each measurement, why it is significant and how to test and calculate correctly.

Audio Signal Chain Webinar Series

Join a series of 4 free Webinars focusing on TI audio technologies and products! In the 4 sessions, our factory application and marketing engineers will explore a different topic to help you find solutions to your current and future design challenges. We will cover our product portfolio overviews, latest devices and application insights.

How to Improve Battery Efficiency and Audio Quality with TAS5825M Audio Amplifier

As the entrance of search engine, the explosive growth in wireless speaker or AI speaker is driving the new requirements of audio amplifier - higher efficiency and better audio quality.

Facing these new challenges, TAS5825M (closed loop classD with 38W stereo output) develops a lot of advanced features compared with traditional audio amplifier, which includes:

Virtual Demo Library

TI Designs

This section features over view and how-to videos for TI reference designs related to a wide variety of applications.
Virtual Demo Library


This section features demonstrations of TI features and reference designs related to automotive applications.
Virtual Demo Library

Signal Chain

This section showcases signal chain demonstrations from all across TI.

Virtual Demo Library

Embedded Processing and Wireless Connectivity

This section features demonstrations of TI features and reference designs related to a variety of embedded processor and wireless connectivity applications.
Virtual Demo Library

DLP® Products

This section features demonstrations of TI features and reference designs related to DLP solutions.
Virtual Demo Library


This section features demonstrations of TI features and reference designs related to a variety of system applications.
Virtual Demo Library


This section features demonstrations of TI features and reference designs related to power applications.

Precision Audio Op-amps and Headphone Amplifiers

This session will cover our audio op-amps and headphone amplifier portfolio, focusing on the latest devices and the tools available to help accelerate your design (e.g. the newest Reference Designs, the Amplifier design tool and the Linear audio amplifier selection guide).

Speaker info: Ying Zhou is the Product Marketing Manager for Precision Amplifiers at Texas Instruments. Prior to joining Texas Instruments in 2014, she received her MSIE from Georgia Institute of Technology and BS in Automation from Zhejiang University, China

Webinar - 6W-50W Audio Amplifiers

In this session we will discuss TI mid-power (<50W) class-D portfolio, highlighting the newest devices, an overview of hybrid flows to easily design a full blown system and the PPC3 driven design with the new TAS5782M.

Speaker info: Andy Liu is a Senior Application Engineer for Mid-power Audio Amplifiers tea, at Texas Instruments. He has been supporting audio products for the past 6 years in Texas Instruments across different teams.

Webinar - Above 50W Class-D amplifiers

This session will cover our high-power (>50W) class-D portfolio, including the latest releases, roadmaps and the new content from TI’s Audio Lab (e.g. the Audio Plug-In Modules, the LC Filter Designer and the Post-Filter Feedback Implementation & Benefit)

Webinar - Audio DACs, ADCs and CODECs

The entire TI Audio converters portfolio will be the main topic of this session, covering notably the Beamforming or Far Field Voice Recording in harsh environment, amongst other topics.

Speaker info: Multiple speakers from the ADC and DAC application and system teams.

TAS5825M Innovation Features Overview

What are the audio amplifier requirements for wireless / AI speaker? How TAS5825M improve battery lifetime and audio quality?

This section provides the overview of TAS5825M innovation features.

TAS5825M Hybrid PWM Modulation to Improve Battery Efficiency

Compared with traditional PWM modulation, TAS5825M develops innovative Hybrid modulation, which dynamically maintains differential switching with several common duty options.

The benefits of Hybrid PWM modulation mainly includes:

  1. Higher efficiency for longer battery lifetime
  2. Good THD+N performance
  3. Ultra-low idle power dissipation and idle noise

TAS5825M PVDD Sensing to Eliminate Audio Clipping Distortion

TAS5825M advanced PVDD sensing algorithm eliminates audio clipping distortion, in the case that wireless speaker battery discharges.

This training section includes audio listening demo and real-time PVDD sensing algorithm, which covers:

  1. 8 bits SAR ADC for precise PVDD detection
  2. Real-time output level calculation
  3. Dynamical algorithm to maintain less clipping

TAS5825M Thermal Foldback, Inductor Free and Audio DSP Resource

This training section descripts some innovation features of TAS5825M, which includes:

  1. Real-time thermal foldback: maintain max safe output power for uninterrupted listening experience
  2. 122MHz DSP resource: 192kHz high definition audio processing or Smart Amp algorithm for better speaker protection
  3. Inductor less: state-of-the-art EMI reduction technology
Virtual Demo Library

TI Virtual Demo Library

This training series showcases TI Demos, Tools, EVMs, and TI Designs. It is a great resource to quickly find example end applications of TI products.

19 Results
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