WO2013166967A1 - 一种通过移动终端播放高保真音乐的方法及其移动终端 - Google Patents
一种通过移动终端播放高保真音乐的方法及其移动终端 Download PDFInfo
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- WO2013166967A1 WO2013166967A1 PCT/CN2013/075346 CN2013075346W WO2013166967A1 WO 2013166967 A1 WO2013166967 A1 WO 2013166967A1 CN 2013075346 W CN2013075346 W CN 2013075346W WO 2013166967 A1 WO2013166967 A1 WO 2013166967A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- music
- mobile terminal
- audio signal
- earphone
- usb interface
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
Definitions
- the present invention relates to a mobile terminal, and more particularly to a method of playing high fidelity music through a mobile terminal and a mobile terminal thereof.
- HFI high-fidelity
- a mobile terminal that plays high-fidelity music is respectively connected with a computer and a high-fidelity earphone, and the mobile terminal includes: a processor, a USB interface switch , USB Audio Decoder, Digital Audio Bus Switcher, Audio Digital to Analog Converter, Operational Placer
- the USB interface switch is configured to switch the received music signal of the computer to the USB audio decoder under the control of the processor; the USB audio decoder is used to a music signal transmitted by the USB audio decoder is decoded by the processor to be decoded into a digital audio signal, and the digital audio signal is transmitted to the digital audio bus switch; the digital audio a bus switch for transmitting the digital audio signal to the audio digital-to-analog converter under control of the processor; the audio digital-to-analog converter for controlling a digital audio signal under control
- the method further includes: a USB interface, configured to establish a communication connection between the mobile terminal and the computer; and a memory, configured to store a usage type of the USB interface set by the user,
- the type of use of the USB interface includes a music play mode.
- the USB interface switch is further configured to: when detecting that the mobile device is in communication connection with the computer through the USB interface, send a connection notification signal to the processing by using a control bus Device.
- the processor is further configured to: when the connection notification signal sent by the USB interface switch is received, query the storage The type of use of the USB interface stored in the device to determine whether the mobile terminal is a play terminal for high fidelity music.
- the mobile terminal for playing high-fidelity music wherein: the processor is further configured to: when querying the usage type of the USB interface stored in the memory is a music playing mode, determine the mobile terminal as a playing terminal of high fidelity music
- the USB interface switch is further configured to: when the processor determines that the mobile terminal is a play terminal of high fidelity music, under the control of the processor, the music of the computer received through the USB interface Signal switching is transmitted to the USB audio decoder.
- the mobile terminal for playing high-fidelity music wherein: the method further includes: a headset interface, configured to establish a communication connection between the mobile terminal and the high-fidelity earphone;
- the earphone driver is further configured to further amplify the analog audio signal amplified by the operational amplifier, and transmit the amplified analog audio signal to the high fidelity earphone through the ear*1 interface to pass the high fidelity Headphones play high fidelity music.
- a method for playing high-fidelity music through a mobile terminal comprising: the mobile terminal is respectively connected to a computer and a high-fidelity earphone, the method comprising: decoding a music signal of the received computer to decode into Digital audio signal; converting the digital audio signal into an analog audio signal; amplifying the converted analog audio signal; driving a high-fidelity earphone connected to the mobile device, transmitting the amplified analog audio signal To the high fidelity earphone to play high fidelity music through the high fidelity earphone.
- the method for playing high-fidelity music through a mobile terminal wherein: the method further comprises: querying the storage when the mobile device detects a communication connection with a computer through a USB interface The type of use of the USB interface stored in the device to determine whether the mobile terminal is a play terminal for high fidelity music.
- the method for playing high-fidelity music through a mobile terminal wherein: the method further comprises: determining that the mobile terminal is a play terminal of high-fidelity music if the usage type of the stored USB interface is a music playing mode; The music signal of the computer received by the interface is decoded to be decoded into a digital audio signal.
- the method for expanding high fidelity music through a mobile terminal wherein: the method further comprises: further amplifying the amplified analog audio signal, and transmitting the further amplified analog audio signal to the fan through the earphone interface High-fidelity headphones to play high-fidelity music through the hi-fi headphones.
- a USB interface switch, a USB audio decoder, and a digital audio bus switch are integrated into the mobile terminal, and when the user sets the mobile terminal to the music terminal mode, the mobile terminal can directly pass the mobile terminal.
- the terminal listens to high-fidelity music from the computer, and compared with the prior art, the user does not need to carry an external power supply, thereby improving the user's body writing.
- FIG. 1 is a diagram showing an application environment of a mobile terminal for providing high-fidelity music for the present invention.
- the present invention shown in Fig. 2 is a structural diagram of a mobile terminal for expanding high fidelity music.
- the present invention shown in FIG. 3 is a method for playing high fidelity music through a mobile terminal. Flow chart.
- FIG. 1 is a diagram of an application environment of a mobile terminal for playing high fidelity music provided by the present invention.
- the mobile terminal 1 is connected to the computer 2 (PC) via USB communication, and at the same time, the mobile terminal is connected to the high-fidelity earphone 3 via USB communication.
- the user when the user needs to listen to high-fidelity music through the high-fidelity earphone 3, the user can set the mobile terminal 1 as a music terminal. At this time, the mobile terminal 1 communicates with the computer 2 through the USB. At this time, the mobile device 1 can perform high-fidelity sound processing on the music signal output by the computer 2, and output the processed music signal to the high-fidelity earphone 3 for expansion, thereby enabling the user to hear high-fidelity music.
- the mobile terminal 1 can be a mobile phone or a tablet computer.
- FIG. 2 is a structural diagram of a mobile terminal for playing high fidelity music provided by the present invention.
- the mobile device comprises a processor 20, a power manager 21, a memory 22, a USB interface switch 23, a USB audio decoder 24, a digital audio bus switch 25, an audio digital-to-analog converter 26, an operational amplifier. 27, headphone jack 28, USB interface 29, headphone driver 30.
- the power manager 21 is respectively a processor 20, a memory 22, a USB interface switch 23, a USB audio decoder 24, a digital audio bus switch 25, an audio digital-to-analog converter 26, an operational amplifier 27, and a headphone interface. 28, USB interface 29, headphone driver 30 communication connection, for processor 20, memory 2.2, USB interface switching
- the device 23, the USB audio decoder 24, the digital audio bus switch 25, the audio digital-to-analog converter 26, the operational amplifier 27, the headphone jack 28, the USB interface 29, and the headphone driver 30 4 are power supplies.
- the power manager 21 can be powered by a battery.
- the processor 20 may be a central processing unit, an audio processor, and a signal processor.
- the mobile device communicates with the computer via the USB interface 29 and receives the music signal of the computer through the USB interface 29.
- the USB interface switch 23 is communicably connected to the USB interface 29, the processor 20, and the USB audio decoder 24, respectively, for transmitting a USB connection notification signal through the I2C control bus when detecting that the mobile device is in communication connection with the computer through the USB interface 29.
- Processor 20 The USB interface switch 23 is communicably connected to the USB interface 29, the processor 20, and the USB audio decoder 24, respectively, for transmitting a USB connection notification signal through the I2C control bus when detecting that the mobile device is in communication connection with the computer through the USB interface 29.
- the USB interface switch 23 is communicably connected to the USB interface 29 and the USB audio decoder 24 via a USB data bus, and is communicably connected to the processor 20 via an I2C control bus or a USB data bus.
- the USB interface switch 23 is used to switch the music signal of the computer received by the USB interface 29 between the processor 20 and the USB audio decoder 24, which can be understood as being received by the USB interface 29.
- the music signal of the computer is transmitted to the processor 20, or the music signal of the computer received by the USB interface 29 is transmitted to the USB audio decoder 24.
- the processor 20 is communicatively coupled to the memory 22 via a data bus and communicatively coupled to the USB audio decoder 24 via the SPI control bus for querying the memory stored in the memory 22 when receiving the USB connection notification signal transmitted by the USB interface switch 23.
- the type of use of the USB interface 29 is to determine whether the mobile terminal is a play terminal for high fidelity music.
- the usage type of the USB interface 29 of the mobile terminal is set to the music playback mode and stored in the memory 22.
- the USB audio decoder 24 When the usage type of the USB interface 29 is queried to the music play mode, the USB audio decoder 24 is activated through the SPI control bus, and at the same time, the USB interface switch 23 is controlled to input the music signal of the computer received by the USB interface 29 to the USB audio decoding.
- the second audio decoder 24 is communicatively coupled to the audio digital to analog converter 25 via an I2S audio data bus.
- the processor 20 is also used to initialize the USB audio decoder 24.
- the USB audio decoder 24 decodes the music signal of the computer received by the USB interface 29 at the initialization of the processor 20 to decode into an I2S digital audio signal.
- the processor 20 is also operative to control the USB audio decoder 24 to transmit the decoded I2S digital audio signal to the digital audio bus switch 25, while activating and initializing the digital audio bus switch 25.
- the digital audio bus switch 25 is communicably connected to the processor 20 through the control line and the I2S audio data, and is communicably connected to the USB audio decoder 24 and the frequency t-mode converter 26 through the I2S audio data bus, respectively, for processing.
- the I2S digital audio signal output from the device 20 and the USB audio decoder 24 is switched to the audio digital-to-analog converter 26. It can be understood that the I2S digital audio signal output by the processor is output to the audio t-mode converter 26, or the I2S digital audio signal output from the USB audio decoder 24 is output to the audio digital-to-analog converter 26.
- the digital audio bus switch 25 is also used to control the USB sound under the control of the processor 20.
- the I 2 S digital audio signal output from the frequency decoder 24 is output to the audio digital-to-analog converter 26.
- the processor 20 initializes the frequency-to-digital converter through the I2C control bus.
- the audio digital-to-analog converter 26 is configured to convert the I2S digital audio signal into an analog audio signal under the control of the processor 20, and output the converted analog audio signal to the operational amplifier under the control of the processor 20. 27.
- the processor 20 is also operative to initiate and initialize the operational amplifier 27 and the headphone driver 30 via a control line.
- the operational amplifier 27 is configured to perform primary amplification of the analog audio signal converted by the audio digital-to-analog converter 26 under the control of the processor 20, and transmit the first-time amplified analog audio signal to the earphone under the control of the processor 20. Drive 30.
- the headphone driver 30 is configured to re-amplify the primary amplified analog audio signal outputted by the operational amplifier 27 under the control of the processor 20, and drive the high-fidelity earphone communicably connected through the earphone interface 28, and simultaneously pass the analog audio signal through the ear. * The port 28 output to the high fidelity headphones. At this point, users can listen to high-fidelity music through high-fidelity headphones.
- a USB interface switch, a USB audio decoder, and a digital audio bus switch are integrated into the mobile terminal, and when the user sets the mobile terminal to the music terminal mode, the mobile terminal can directly pass the mobile terminal.
- the terminal listens to high-fidelity music from the computer, and the user does not need to carry an external power source compared with the prior art, thereby improving the user experience.
- FIG. 3 is a flowchart of a method for playing high fidelity music through a mobile terminal according to the present invention.
- the mobile terminal when the user needs to play high-fidelity music through the mobile terminal, the mobile terminal needs to be connected to the computer through the USB, and at the same time, the mobile terminal and the high-fidelity earphone are connected through the USB.
- Step S300 when detecting that the mobile device USB is in communication connection with the computer, querying the stored usage type of the USB interface.
- Step S301 Determine, by the type of use of the USB interface, whether the mobile terminal is a play terminal of high fidelity music.
- the usage type of the USB interface of the mobile terminal is set to the music broadcast mode, and is stored in the memory.
- step S302 when the usage type of the USB interface of the inquiring mobile terminal is set to the music playing mode, the mobile terminal is determined as the playing terminal of the high fidelity music, and step S302 is performed; when the USB interface of the inquiring mobile terminal is When the usage type is set to the non-music playback mode, it is judged that the mobile terminal is not playing as the playback terminal of the high-fidelity music, and step S303 is executed, and the high-fidelity music playback is not performed.
- Step S302 Decode the music signal of the computer received by the USB interface to decode the I2S digital audio signal.
- Step S304 converting the I2S digital audio signal into an analog audio signal.
- Step S305 performing primary amplification on the converted analog audio signal.
- Step S306 the primary amplified analog-pull audio signal is amplified again.
- Step S307 driving a high-fidelity earphone connected to the mobile terminal, and outputting the amplified analog audio signal to the high-fidelity earphone to play high-fidelity music through the high-fidelity earphone.
- users can listen to high-fidelity music through high-fidelity headphones.
- the mobile terminal when the user sets the mobile terminal to the music terminal mode, decodes the music signal of the computer received by the USB interface into an I2S digital audio signal, and performs digital-to-analog conversion and signal amplification. Drive high-fidelity headphones, so that you can listen to high-fidelity music directly from the computer through the mobile terminal. Compared with the prior art, the user does not need to carry an external power supply, thereby improving the user experience.
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Abstract
本发明涉及一种播放高保真音乐的移动终端,包括:USB接口切换器用于将接收到的电脑的音乐信号切换传输至USB音频解码器;USB音频解码器用于将USB音频解码器传输的音乐信号进行解码,以解码成数字音频信号,并传输至数字音频总线切换器;数字音频总线切换器用于将数字音频信号传输至音频数模转换器;音频数模转换器用于将数字音频信号转换成模拟音频信号,并传输至运算放大器;运算放大器用于将转换后的模拟音频信号进行放大,并将放大后的模拟音频信号传输至耳机驱动器;耳机驱动器用于驱动与移动设备连接的高保真耳机,将放大后的模拟音频信号传输至高保真耳机,以通过高保真耳机播放高保真音乐,从而不需要用户携带外接电源,从而提高了用户的体验。
Description
一种通过籍动终端播放高保真音乐的方法及其移动终端
【技术领域】
本发明涉及一种移动终端,尤其涉及通过移动终端播放高保真音 乐的方法及其移动终端。
【背景技术】
在现实生活中, 音乐经常在人们的生活中扮演着一个重要角色。 通常音乐发烧友们希望可以将听到的音乐还原为最原始的音乐。在生 活中, 通常通过音乐发烧设备, CD, 前级, 功放, 音箱, 线览等高 保真(HIFI )设备在足够宽的场地进行音乐播放, 但在这种实现方式 中, 由于上述的高保真设备的成本较高,无法满足普通的音乐发烧友 们。
因而, 为实现高保真的音效,普通发烧友们可以选择一套高保真 的耳放***, 比如, 高保真耳机, 通过戴着高保真耳机也能享受到高 保真的音乐。
然而, 市场上的高保真的耳放***都需要外接电源供电, 体积较 大, 无法随身携带。
【发明内容】
本发明要解决的技术问題是提供一种播放高保真音乐的移动终端 和通过移动终端播放高保真音乐的方法。 本发明的发明目的是通过以下技术方案来实现的: 一种播放高保真音乐的移动终端,所迷移动终端分別与电脑和高 保真耳机通信连接, 所述移动终端包括: 处理器, USB接口切换器, USB 音频解码器, 数字音频总线切换器, 音频数模转换器, 运算放
大器, 耳机驱动器; 其中, 所述 USB接口切换器用于在所迷处理器 的控制下, 将接收到的电脑的音乐信号切换传输至所述 USB音频解 码器;所述 USB音频解码器用于在所述处理器的控制下,将所述 USB 音频解码器传输的音乐信号进行解码, 以解码成数字音频信号, 并将 所述数字音频信号传输至所述数字音频总线切换器;所述数字音频总 线切换器用于在所述处理器的控制下,将所述数字音频信号传输至所 述音频数模转换器;所述音频数模转换器用于在所述处理器的控制下, 将数字音频信号转换成模拟音频信号, 并传输至所述运算放大器; 所 述运算放大器用于在所迷处理器的控制下,将转换后的模招音频信号 进行放大, 并将放大后的模拟音频信号传愉至所述耳机驱动器; 所述 耳机驱着器用于驱动与所述移动设备连接的高保真耳机,将所述放大 后的模拟音频信号传输至所述高保真耳机,以通过所述高保真耳机播 放高保真音乐。 上述的音播放高保真音乐的移动终端, 其中: 还包括: USB接 口, 用于建立所述移动终端与所述电脑的通信连接; 存储器, 用于存 储用户设置的所述 USB接口的使用类型,所述 USB接口的使用类型 包括音乐播放模式。
上述的播放高保真音乐的移动终端,其中: 所述 USB接口切换器 还用于当检测到所述移动设备通过所述 USB接口与电脑通信连接时, 通过控制总线发送连接通知信号给所述处理器。
上述的播放高保真音乐的移动终端, 其中: 所述处理器还用于当 接收到所述 USB接口切换器发送的连接通知信号时, 查询所迷存储
器中存储的 USB接口的使用类型, 以判断所述移动终端是否作为高 保真音乐的播放终端。
上述的播放高保真音乐的移动终端, 其中: 所迷处理器还用于当 查询所迷存储器中存储的 USB接口的使用类型为音乐播放模式时, 判断所迷移动终端作为高保真音乐的播放终端; 所述 USB接口切换 器还用于当所述处理器判断所述移动终端作为高保真音乐的播放终 端时, 在所述处理器的控制下, 将通过所述 USB接口接收到的电脑 的音乐信号切换传输至所述 USB音频解码器。
上述的播放高保真音乐的移动终端, 其中: 还包括: 耳机接口, 用于建立所述移动终端与所述高保真耳机的通信连接;
所述耳机驱动器还用于将所述运算放大器放大后的模拟音频信号 进一步放大,并将放大后的模拟音频信号通过所述耳 *1接口传输至所 迷高保真耳机, 以通过所述高保真耳机播放高保真音乐。
一种通过移动终端播放高保真音乐的方法, 所迷方法包括: 所述 移动终端分別与电脑和高保真耳机通信连接, 所述方法包括:将接收 到的电脑的音乐信号进行解码, 以解码成数字音频信号; 将所述数字 音频信号转换成模拟音频信号;将所述转换后的模拟音频信号进行放 大; 驱动与所述移动设备连接的高保真耳机,将所述放大后的模拟音 频信号传输至所述高保真耳机,以通过所述高保真耳机播放高保真音 乐。
上述的通过移动终端播放高保真音乐的方法, 其中: 还包括: 检 测到所述移动设备通过 USB接口与电脑通信连接时, 查询所述存储
器中存储的 USB接口的使用类型, 以判断所述移动终端是否作为高 保真音乐的播放终端。 上述的通过移动终端镥放高保真音乐的方法, 其中: 还包括: 若 存储的 USB接口的使用类型为音乐播放模式时, 判断所述移动终端 作为高保真音乐的播放终端; 将通过所迷 USB接口接收到的电脑的 音乐信号进行解码, 以解码成数字音频信号。 上迷的通过移动终端擴放高保真音乐的方法, 其中: 还包括: 将 放大后的模批音频信号进一步放大,并将所述进一步放大后的模拟音 频信号通过所述耳机接口传输至所迷高保真耳机,以通过所述高保真 耳机播放高保真音乐。
本发明实施例提供的技术方案, 将 USB接口切换器, USB音频 解码器,数字音频总线切换器集成至移动终端的内部, 当用户将移动 终端设置为音乐终端模式时,就可以直接通过该移动终端从电脑上听 取高保真的音乐, 跟现有技术相比, 不需要用户携带外接电源, 从而 提高了用户的体写
【附围说明】
为了易于说明,本发明由下述的较佳实施例及附图作以详细描述。 图 1所示为本发明是供的一种番放高保真音乐的移动终端的应用 环境图。
图 2所示本发明是供的一种擴放高保真音乐的移动终端的结构图。 图 3所示本发明是供的的通过移动终端播放高保真音乐的方法的
流程图。
【具体实施方式】
图 1为本发明提供的一种播放高保真音乐的移动终端的应用环境 图。
在本实施例中 ,该移动终端 1与电脑 2 ( PC )通过 USB通信连接, 同时, 该移动终端与高保真耳机 3通过 USB通信连接。
在本实施例中, 当用户需要通过高保真耳机 3听取高保真的音乐 的时候, 用户可以将移动终端 1设置为音乐终端, 此时, 将该移动终 端 1通过 USB与电脑 2进行通信连接,此时, 该移动设备 1可以将电 脑 2输出的音乐信号进行高保真音效处理,并将处理后的音乐信号输 出至高保真耳机 3进行擴放, 从而就可以使用户听到高保真的音乐。
在本实施例中, 该移动终端 1可以为手机, 平板电脑。
图 2为本发明提供的一种播放高保真音乐的移动终端的结构图。 在本实施例中, 该移动设备包括处理器 20, 电源管理器 21 , 存储 器 22, USB接口切换器 23, USB音频解码器 24, 数字音频总线切换 器 25, 音频数模转换器 26, 运算放大器 27, 耳机接口 28, USB接口 29, 耳机驱动器 30。
在本实施例中, 电源管理器 21分別处理器 20, 存储器 22, USB 接口切换器 23, USB音频解码器 24, 数字音频总线切换器 25, 音频 数模转换器 26, 运算放大器 27, 耳机接口 28, USB接口 29, 耳机驱 动器 30通信连接, 用于分別为处理器 20, 存储器 2.2, USB接口切换
器 23, USB音频解码器 24, 数字音频总线切换器 25, 音频数模转换 器 26, 运算放大器 27, 耳机接口 28 , USB接口 29, 耳机驱动器 30 4是供电源。 在本实施例中, 电源管理器 21可以由电池提供电源。
在本实施例中, 处理器 20可以是中央处理器、音频处理器、信号 处理器。
在本实施例中,该移动设备通过 USB接口 29与电脑通信连接,并 通过 USB接口 29接收电脑的音乐信号。
USB接口切换器 23分別与 USB接口 29、处理器 20、 USB音频解码 器 24通信连接,用于当检测到移动设备通过 USB接口 29与电脑通信 连接时, 通过 I2C控制总线发送 USB连接通知信号给处理器 20。
在本实施例中, USB接口切换器 23通过 USB数据总线与 USB接口 29和 USB音频解码器 24通信连接, 通过 I2C控制总线或 USB数椐总 线与处理器 20通信连接。 在本实施例中, USB接口切换器 23用于将 USB接口 29接收到的电脑的音乐信号在处理器 20和 USB音频解码器 24之间进行切换, 可以理解为, 将 USB接口 29接收到的电脑的音乐 信号传输至处理器 20, 或者将 USB接口 29接收到的电脑的音乐信号 传输至 USB音频解码器 24。
处理器 20通过数据总线与存储器 22通信连接, 并通过 SPI控制 总线与 USB音频解码器 24通信连接, 用于当接收到 USB接口切换器 23发送的 USB连接通知信号时,查询存储器 22中存储的 USB接口 29 的使用类型, 以判断该移动终端是否作为高保真音乐的播放终端。
在本实施例中, 若用户需要将该移动终端作为高保真音乐的播放
终端时, 会将移动终端的 USB接口 29的使用类型设置为音乐播放模 式, 并存储在存储器 22。
当查询到 USB接口 29的使用类型为音乐播放模式时, 通过 SPI 控制总线启动 USB音频解码器 24, 同时, 控制 USB接口切换器 23将 USB接口 29接收到的电脑的音乐信号输入到 USB音频解码器 24, 并 控制 USB音频解码器 24通过 I2S音频数据总线与音频数模转换器 25 通信连接。
在本实施例中, 处理器 20还用于初始化 USB音频解码器 24。 在本实施例中, USB音频解码器 24在处理器 20的初始化,将 USB 接口 29接收到的电脑的音乐信号进行解码, 以解码成 I2S数字音频 信号。
处理器 20还用于将控制 USB音频解码器 24将解码的 I2S数字音 频信号传输至数字音频总线切换器 25, 同时, 启动并初始化数字音 频总线切换器 25。
数字音频总线切换器 25通过控制线和 I2S音频 t据总幾与处理器 20通信连接, 并通过 I2S音频数据总线分别与 USB音频解码器 24和 频 t模转换器 26通信连接, 用于将处理器 20和 USB音频解码器 24 输出的 I2S数字音频信号切换输出至音频数模转换器 26。 可以理解 为, 将处理器输出的 I2S数字音频信号输出至音频 t模转换器 26, 或者将 USB音频解码器 24输出的 I2S数字音频信号输出至音频数模 转换器 26。
数字音频总线切换器 25还用于在处理器 20的控制下, 将 USB音
频解码器 24输出的 I 2S数字音频信号输出至音频数模转换器 26。 在本实施例中,处理器 20通过 I2C控制总线初始化频数模转换器
26。
此时, 音频数模转换器 26用于在处理器 20的控制下, 将 I2S数 字音频信号转换成模拟音频信号, 并在处理器 20的控制下, 将转换 后的模拟音频信号输出至运算放大器 27。
在本实施例中,处理器 20还用于通过控制线启动并初始化运算放 大器 27和耳机驱动器 30。
运算放大器 27用于在处理器 20的控制下,将音频数模转换器 26 转换后的模拟音频信号进行初級放大, 并在处理器 20的控制下将初 叛放大后的模拟音频信号传输至耳机驱着器 30。
耳机驱动器 30用于在处理器 20的控制下,将运算放大器 27输出 的初級放大后的模拟音频信号再次放大, 并驱动通过耳机接口 28通 信连接的高保真耳机, 同时, 将模拟音频信号通过耳 *委口 28输出 至高保真耳机。此时,用户就可以通过高保真耳机听取高保真的音乐。
本发明实施例提供的技术方案, 将 USB接口切换器, USB音频解 码器,数字音频总线切换器集成至移动终端的内部, 当用户将移动终 端设置为音乐终端模式时,就可以直接通过该移动终端从电脑上听取 高保真的音乐, 跟现有技术相比, 不需要用户携带外接电源, 从而提 高了用户的体验。
图 3为本发明提供的通过移动终端播放高保真音乐的方法的流程 图。
在本实施例中, 当用户需要通过移动终端播放高保真音乐时, 需 要将移动终端与电脑通过 USB相连接, 同时,将移动终端与高保真耳 机通过 USB相连接。
步骤 S300, 当检测到移动设备 USB与电脑通信连接时, 查询存储 的该 USB接口的使用类型。
步骤 S301 ,通过该 USB接口的使用类型判断该移动终端是否作为 高保真音乐的播放终端。 在本实施例中,若用户需要将该移动终端作 为高保真音乐的播放终端时,会将移动终端的 USB接口的使用类型设 置为音乐播丈模式, 并存储在存储器。 在本实施例中, 当查询的移动 终端的 USB接口的使用类型设置为音乐播放模式时,判断该移动终端 作为高保真音乐的播放终端, 并执行步骤 S302; 当查询的移动终端 的 USB接口的使用类型设置为非音乐播放模式时,判断该移动终端不 作为高保真音乐的播放终端, 并执行步骤 S303, 不执行高保真音乐 播放。
步骤 S302, 将 USB接口接收到的电脑的音乐信号进行解码, 以解 码成 I2S数字音频信号。
步骤 S304, 将 I2S数字音频信号转换成模拟音频信号。
步骤 S305, 将转换后的模拟音频信号进行初级放大。
步骤 S306, 将初级放大后的模拉音频信号再次放大。
步骤 S307, 驱动与移动终端连接的高保真耳机, 将该放大后的模 拟音频信号输出至该高保真耳机,以通过该高保真耳机播放高保真音 乐。
此时, 用户就可以通过高保真耳机听取高保真的音乐。
本发明实施例提供的技术方案, 当用户将移动终端设置为音乐终 端模式时, 移动终端将 USB接口接收到的电脑的音乐信号解码成 I2S 数字音频信号, 并进行数模转换和信号放大, 再驱动高保真耳机, 从 而可以直接通过该移动终端从电脑上听取高保真的音乐,跟现有技术 相比, 不需要用户携带外接电源, 从而提高了用户的体验。
以上所述之具体实施方式为本发明的较佳实施方式,并非以此限定本 发明的具体实施范围, 本发明的范围包括并不限于本具体实施方式。 凡依照本发明之形状、结构所作的等效变化均包含本发明的保护范围 内。
Claims
权利要求
1. 一种播放高保真音乐的移动终端, 其特征在于, 所述移动终 端分別与电脑和高保真耳机通信连接, 所述移动终端包括: 处理器,
USB接口切换器, USB音频解码器, 数字音频总线切换器, 音频数模 转换器, 运算放大器, 耳机驱动器;
其中, 所述 USB接口切换器用于在所述处理器的控制下,将接收 到的电脑的音乐信号切换传输至所述 USB音频解码器;
所述 USB音频解码器用于在所述处理器的控制下,将所述 USB音 频解码器传输的音乐信号进行解码, 以解码成数字音频信号, 并将所 述数字音频信号传输至所述数字音频总线切换器;
所迷数字音频总线切换器用于在所迷处理器的控制下,将所述数 字音频信号传输至所述音频 fc模转换器;
所迷音频数模转换器用于在所述处理器的控制下,将数字音频信 号转换成模拟音频信号, 并传输至所述运算放大器;
所述运算放大器用于在所述处理器的控制下,将转换后的模拟音 频信号进行放大,并将放大后的模拟音频信号传输至所述耳机驱动器; 所迷耳机驱动器用于驱动与所迷移动设备连接的高保真耳机,将 所述放大后的模拟音频信号传输至所述高保真耳机,以通过所述高保 真耳机播放高保真音乐。
2, 根据权利要求 1所述的播放高保真音乐的移动终端, 其特征 在于: 还包括: USB接口, 用于建立所述移动终端与所述电脑的通信
连接;
存储器, 用于存储用户设置的所述 USB接口的使用类型, 所述 USB接口的使用类型包括音乐擴放模式。
3. 根据权利要求 2所述的播放高保真音乐的移动终端, 其特征 在于: 所述 USB接口切换器还用于当检测到所述移动设备通过所述 USB接口与电脑通信连接时, 通过控制总线发送连接通知信号给所述 处理器。
4. 根据权利要求 3所述的播放高保真音乐的移动终端, 其特征 在于:所述处理器还用于当接收到所述 USB接口切换器发送的连接通 知信号时, 查询所述存储器中存储的 USB接口的使用类型, 以判断所 述移动终端是否作为高保真音乐的播放终端。
5. 根据权利要求 4所述的播放高保真音乐的移动终端, 其特征 在于:
所述处理器还用于当查询所述存储器中存储的 USB接口的使用 类型为音乐播放模式时,判断所述移动终端作为高保真音乐的播放终 端;
所述 USB接口切换器还用于当所述处理器判断所迷移动终端作 为高保真音乐的播放终端时, 在所述处理器的控制下, 将通过所述 USB接口接收到的电脑的音乐信号切换传输至所述 USB音频解码器。
6. 根据权利要求 1所述的播放高保真音乐的移动终端, 其特征 在于: 还包括: 耳机接口, 用于建立所述移动终端与所述高保真耳机
的通信连接;
所述耳机驱动器还用于将所述运算放大器放大后的模拟音频信 号进一步放大,并将放大后的模拟音频信号通过所迷耳机接口传输至 所述高保真耳机, 以通过所述高保真耳机裔放高保真音乐。
7. —种通过移动终端播放高保真音乐的方法, 其特征在于, 所 述移动终端分别与电脑和高保真耳机通信连接, 所述方法包括:
将接收到的电脑的音乐信号进行解码, 以解码成数字音频信号; 将所迷数字音频信号转换成模拟音频信号;
将所述转换后的模拟音频信号进行放大;
驱动与所述移动设备连接的高保真耳机,将所述放大后的模拟音 频信号传输至所述高保真耳机,以通过所述高保真耳机播放高保真音 乐。
8. 根据权利要求 7所述的通过移动终端播放高保真音乐的方法, 其特征在于: 还包括:
检测到所述移动设备通过 USB接口与电脑通信连接时,查询所述 存储器中存储的 USB接口的使用类型,以判断所迷移动终端是否作为 高保真音乐的播放终端。
9根据权利要求 8所述的通过移 终端播放高保真音乐的方法, 其特征在于: 还包括:
若存储的 USB接口的使用类型为音乐撤放模式时,判断所述移动 终端作为高保真音乐的播放终端;
将通过所述 USB接口接收到的电脑的音乐信号进行解码,以解码 成数字音频信号。
10. 根椐权利要求 7 所述的通过移动终端播放高保真音乐的方 法, 其特征在于: 还包括:
将放大后的模拟音频信号进一步放大,并将所述进一步放大后的 模拟音频信号通过所述耳机接口传输至所述高保真耳机,以通过所述 高保真耳机播放高保真音乐。
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