ZL38050LDF1

Audio Special Purpose

The ZL38050LDF1 is a high performance, single-chip digital audio processor based on the Tensilica HiFi embedded processor core. Specifically designed for audio applications, the ZL38050LDF1 combines audio/voice processing, digital signal processing (DSP), PCM codec and System on-Chip (SoC) capabilities into a single, powerful and versatile solution. It offers an unparalleled set of features for audio and voice processing, including low-latency, high-efficiency and ultra-low power performance.

The ZL38050LDF1 application field mainly covers portable, 5.1 and 7.1 home audio, automotive, recording and voice applications. In particular, the chip is well suited for applications such as, noise cancellation, surround sound, virtual/true 5.1 or 7.1 systems, DSP-based portable audio player, and Apple\'s iPhone/iPod digital music players. With its integrated ARM9 processor, ZL38050LDF1 is capable of running many control algorithms to manage audio inputs and outputs, and to ensure seamless audio performance.

In terms of the working principle, the tensilica HiFi digital audio processor core in the ZL38050LDF1 provides audio and voice processing capabilities such as spectral analysis, pitch quantization, noise cancellation, dynamic range control, voice recognition, digital headphones and advanced audio effects. The core supports numerous audio music and voice formats, such as wav, mp3, AAC, Ogg Vorbis, True Audio (TTA) and M4A. Audio and voice streams can be received and processed in real-time, providing the user with better sound quality, clarity, and enhanced user experience.

For audio output, the ZL38050LDF1 supports TDM, I2S, and PCM interfaces for driving multi-channel speakers. Additionally, it can directly output analog or digital music signals to drive headphones and headsets. The integrated ARM9 microprocessor core of the chip further allows running of algorithms for managing audio and voice services, as well as for providing processing power for digital audio and voice related tasks such as digital mixing, mixing of multiple input audio signals and more.

Overall, the ZL38050LDF1 provides an unprecedented set of features for audio and voice processing applications. Its integrated HiFi digital audio processor core enables a wide range of capabilities such as spectral analysis, pitch quantization and noise cancellation, providing better audio performance, clarity and enhanced user experience. Additionally, the integrated ARM9 microprocessor provides sufficient processing power for running sophisticated control algorithms and digital audio services.