XK-USB-AUDIO-U8-2C-BLC

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Uses for the XK-USB-AUDIO-U8-2C-BLC Evaluation and Demonstration Board and Kit are varied, ranging from practical applications to testing and development. It is particularly suitable for applications involving USB audio, data capturing, signal processing and digital signal distribution. The board is also ideal for experimentation and demonstration purposes. This article will provide an overview of the board’s features, detailing the areas of application and its working principle.

Application Field

The XK-USB-AUDIO-U8-2C-BLC Evaluation and Demonstration Board and Kit has several practical applications. It can be used to create a USB audio interface for PCs and Laptops, both as an input and output device. Audio data can then be sampled, processed and transmitted via USB.

The board can also be used to capture digital data. The built-in ADC can sample up to 24bit at 48kHz, while the I2S interface provides digital audio data capture functionality for 7.1 Digital Audio formats. The board features a comprehensive audio-processing function including low pass filter, high pass filter, de-emphasis, equalizer etc. This makes it an ideal solution for digital vector signal processing.

In terms of signal distribution, the board can be used to convert digital audio data to two-channel USB audio, or combined with three-way stereo amplifiers to create a sound system. In addition, it offers conversion from digital audio to analog audio and then to digital audio in both directions.

Working Principle

The XK-USB-AUDIO-U8-2C-BLC Evaluation and Demonstration Board and Kit employs a simple architecture, comprising of USB interface, CODEC, A/D and D/A convertors, signal processor, and audio output. The USB audio interface transmits audio data to and from a host PC or laptop. The CODEC then uses the incoming digital audio signal to build an analog signal which is routed to the A/D convertor and then to the signal processor.

The signal processor takes the digital audio signal and processes it according to the user’s requirements. This could include introducing digital signals, converting digital audio to analog audio and vice versa, or applying effects. Once the signal processor has processed the audio, it is sent to the D/A convertor and the analog output. Finally, the audio output can be routed to an external speaker or device.

Conclusion

The XK-USB-AUDIO-U8-2C-BLC Evaluation and Demonstration Board and Kit offers a flexible and cost-effective solution for digital audio processing and signal distribution. It is well-suited for practical applications, as well as testing and development, making it the perfect choice for laboratories and educational environments. Furthermore, the intuitive architecture and versatile features make it an ideal choice for experimentation and demonstration purposes.

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