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CN-121983067-A - Multifunctional high-definition audio decoding equipment and audio system

CN121983067ACN 121983067 ACN121983067 ACN 121983067ACN-121983067-A

Abstract

The invention discloses a multifunctional high-definition audio decoding device and an audio system, wherein a user interaction module, a data expansion module, an audio processing module, an earphone amplification module, a power management module and an audio output interface are integrated in a shell, so that functions of high-definition decoding, interface expansion and MAC startup are realized, desktop wiring is simplified, the problem of inconvenient startup of a MAC user is solved, user experience is improved, in addition, the audio processing module supports the current most advanced high-definition audio format by adopting the combination of an XMOS XU-316 USB audio controller and an ESS ES9039Q2M DAC chip, the full MQA rendering is included, the tone quality representation of a reference level is provided, the audio output interface provides various output interfaces, and the diversified requirements of users for connecting earphones, sound boxes and other digital devices are met.

Inventors

  • LIN GUANLIANG

Assignees

  • 佛山双木三林科技有限公司

Dates

Publication Date
20260505
Application Date
20260203

Claims (10)

  1. 1. A multi-functional high definition audio decoding apparatus for use with a MAC host, comprising: An all-metal housing; The user interaction module is integrated on the shell and at least comprises a physical starting key connected with the MAC host; the data expansion module is integrated in the shell and at least comprises a USBType-A expansion interface supporting the USB3.0 protocol; The audio processing module is arranged in the shell and at least comprises an XMOS XU-316 USB audio controller and an ESS ES9039Q2M DAC chip which are sequentially connected, wherein the XMOS XU-316 USB audio controller is connected with the MAC host to decode audio data output by the MAC host to obtain a digital audio signal, and the ESS ES9039Q2M DAC chip performs digital-to-analog conversion on the digital audio signal to obtain an analog audio signal; the input end of the earphone amplifying module is connected with the output end of the ESS ES9039Q2M DAC chip; the power management module is used for supplying power to the user interaction module, the data expansion module, the audio processing module and the earphone amplifying module; The audio output interface comprises an earphone interface, a line output interface, a coaxial digital output interface and an optical fiber digital output interface, wherein the earphone interface is connected with the output end of the earphone amplifying module, the line output interface is connected with the output end of the ESS ES9039Q2M DAC chip to output analog audio signals, and the coaxial digital output interface and the optical fiber digital output interface are both connected with the XMOS XU-316 USB audio controller and are used for outputting the digital audio signals.
  2. 2. The multi-function high definition audio decoding apparatus according to claim 1, wherein a light transmitting area is provided on a surface of the housing, at least one atmosphere lamp is installed in the housing, and light of the atmosphere lamp can be emitted outwards through the light transmitting area.
  3. 3. The multi-function high definition audio decoding apparatus according to claim 1, wherein the physical power-on key is disposed on a front panel of the casing and connected to the power management module and/or the audio processing module, and is configured to control a power-on or wake-up operation of the MAC host when the power management module obtains power from the MAC host.
  4. 4. The multi-function high definition decoding device of claim 3, wherein the number of the usb type-a expansion interfaces is plural, and the MAC host transmits power and audio data to the power management module and the XMOS XU-316 USB audio controller through one of the usb type-a expansion interfaces, respectively.
  5. 5. The multi-function high definition audio decoding apparatus of claim 1, wherein the highest audio decoding specification of the XMOS XU-316 USB audio controller is PCM32bit/768kHz and DSD256, and is used for full decoding rendering of MQA encoded audio data and decoding of MQA-CD formatted audio data.
  6. 6. The multi-functional high-definition audio decoding apparatus according to claim 1, wherein the earphone amplifying module is a balanced amplifying circuit structure, and the metal contacts of the line output interface, the coaxial digital output interface and the optical fiber digital output interface are all processed by gold plating process.
  7. 7. The multi-function high definition audio decoding apparatus of claim 1, wherein the power management module comprises a switching power supply chip and a plurality of independent low noise low dropout linear regulators for preliminary conversion and voltage stabilization of power from the MAC host.
  8. 8. The multi-function high definition audio decoding apparatus of claim 1, further comprising a playback module coupled to the ESS ES9039Q2M DAC chip for playing back analog audio signals.
  9. 9. The multi-function high definition audio decoding device of claim 8, wherein the user interaction module further comprises an on play key, a pause play key, and a volume adjustment key.
  10. 10. An audio system comprising a MAC host and a multi-functional high definition audio decoding apparatus as claimed in any one of claims 1 to 9, the MAC host being connected to the multi-functional high definition audio decoding apparatus by a data line, audio data being transmitted from the MAC host to the multi-functional high definition decoding apparatus for decoding and output.

Description

Multifunctional high-definition audio decoding equipment and audio system Technical Field The invention relates to the technical field of audio equipment, in particular to multifunctional high-performance external audio decoding equipment specially designed for personal computers, in particular to AppleMAC-series hosts. Background With the popularity of digital music and high-resolution audio, the demands of computer audio playback quality are increasing. Although modern personal computers, such as the MAC (Macintosh) computer series of companies, have built-in sound cards capable of providing good sound quality, for professional users such as audio fever friends, music producers, film and television post workers, the built-in sound cards still have limitations on key indexes such as signal to noise ratio, dynamic range, total harmonic distortion and the like, and cannot meet the pursuit of extreme sound quality. In addition, the MAC host, especially the host without built-in display device such as MACmini or MACStudio, is usually designed to be hidden, and the physical power-on button on the body is located on the back of the body, so that the operation is very inconvenient when the host is started or waken up each time. Therefore, there is a strong need in the art for a solution that integrates usability, extensibility, and high performance audio decoding. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide the multifunctional high-definition audio decoding equipment matched with the MAC host for use, which not only has the top-level high-definition audio decoding capability, but also integrates practical expansion functions and convenient operation design special for MAC optimization. In order to achieve the above purpose, the invention adopts the following technical scheme: there is provided a multi-functional high definition audio decoding apparatus for use with a MAC host, comprising: An all-metal housing; The user interaction module is integrated on the shell and at least comprises a physical starting key connected with the MAC host; the data expansion module is integrated in the shell and at least comprises a USBType-A expansion interface supporting the USB3.0 protocol; The audio processing module is arranged in the shell and at least comprises an XMOS XU-316 USB audio controller and an ESS ES9039Q2M DAC chip which are sequentially connected, wherein the XMOS XU-316 USB audio controller is connected with the MAC host to decode audio data output by the MAC host to obtain a digital audio signal, and the ESS ES9039Q2M DAC chip performs digital-to-analog conversion on the digital audio signal to obtain an analog audio signal; the input end of the earphone amplifying module is connected with the output end of the ESS ES9039Q2M DAC chip; the power management module is used for supplying power to the user interaction module, the data expansion module, the audio processing module and the earphone amplifying module; The audio output interface comprises an earphone interface, a line output interface, a coaxial digital output interface and an optical fiber digital output interface, wherein the earphone interface is connected with the output end of the earphone amplifying module, the line output interface is connected with the output end of the ESS ES9039Q2M DAC chip to output analog audio signals, and the coaxial digital output interface and the optical fiber digital output interface are both connected with the XMOS XU-316 USB audio controller and are used for outputting the digital audio signals. Optionally, the surface of casing is provided with the printing opacity region, install at least one atmosphere lamp in the casing, the light of atmosphere lamp can see through the printing opacity region outwards gives off. Optionally, the physical power-on key is disposed on the front panel of the casing and connected to the power management module and/or the audio processing module, where the physical power-on key is used to control a power-on or wake-up operation of the MAC host when the power management module obtains power from the MAC host. Optionally, the number of the usb type-a expansion interfaces is multiple, and the MAC host transmits power and audio data to the power management module and the XMOS XU-316 USB audio controller through one of the usb type-a expansion interfaces. Optionally, the highest audio decoding specification of the XMOS XU-316 USB audio controller is PCM32bit/768kHz and DSD256, and is used for full decoding rendering of MQA encoded audio data and decoding of MQA-CD formatted audio data. Optionally, the earphone amplifying module is a balanced amplifying circuit structure, and the metal contact plates of the line output interface, the coaxial digital output interface and the optical fiber digital output interface are processed by adopting a gold plating process. Optionally, the power management module includes a switching power supply chip a