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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.

Webinar - 6W-50W Class-D amplifiers

Date:
September 19, 2017

Duration:
56:57
Join a series of 4 free Webinars focusing on TI audio technologies and products!
How to characterize your speaker, Smart Amplifiers

Smart Amp Quick Start - How to characterize your speaker

Date:
October 2, 2017

Duration:
04:23
Learn how TI's smart amplifiers use characterization data to model your target speaker in real time and drive excursion and thermal limits safely and reliably

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

Automotive

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

Systems

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

Power

This section features demonstrations of TI features and reference designs related to power applications.
PSDS 2018

Power Solutions for Class-D Audio Amplifiers

Today, the most popular medium and high power audio amplifiers employ a Class-D working scheme due to high efficiency and excellent linearity. Compared to traditional analog amplifiers, Class-D uses high frequency pulse width modulation, similar to a switch mode power supply. Even though Class-D amplifiers incorporate negative feedback on supply voltage, the reality is that the output impedance of the power supply has an impact on audio quality.

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 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

35-600W 高性能 高功率 Class-D音频放大器

Date:
March 27, 2017

Duration:
03:19
了解更多关于音频业界最高性能Ultra-HD 35W-600W输出功率,单芯片class-D音频放大器家族产品:包括TPA3244, TPA3245, TPA3250, TPA3251 和 TPA3255

TPA3128: 2-Ch 30-W Analog Input Class-D Audio Amplifier with Low Idle Power Dissipation

Date:
January 6, 2017

Duration:
01:15
The TPA3128 Class-D amp delivers high-performance audio with its low idle current for maximum battery life in consumer electronics.

TPA3128D2 Class-D Audio Amplifier Product Overview

Date:
February 10, 2017

Duration:
03:21
TPA3128D2 is a 2-Ch 30-W differential analog input Class-D amplifier with low idle power dissipation that helps extend battery life in portable audio systems.

TPA3136: 10W Inductor Free Stereo Class-D Audio Amplifier with Ultra Low EMI

Date:
September 14, 2016

Duration:
02:12
TPA3136 is an efficient, Class-D audio power amp for driving bridged-tied stereo speakers at up to 10W, 6 ?, or 8 ? (per channel). TPA3136 is pin-to-pin compati
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