M297503 八、新型說明： 【新型所屬之技術領域】 本創作係與音訊播放裝置有關，特別是指一種兼具播 放與錄製數位音效功能的音響讀卡器。 5【先前技術】 I1过耆電腦網路與多媒體資訊科技日新月異，整合多媒 體及電腦軟、硬體之應用技術為各家多媒體科技公司研發 所必須’諸如以讀取MP3 ( MPEG-l Layer3 )壓縮格式的音 樂播放器等，為整合電腦數位壓縮技術、訊號處理及播放 輸出專所發展的科技產品，因此一旦設置有讀取介面與播放 器相容的儲存元件插槽，可插設小尺寸的記憶卡，使用者僅需 預先於電腦上處理或透過網路擷取音樂壓縮檔案，再儲存於記 卡内，則不需將所有欲跨聽的音樂全部儲存於播放器内有 限儲存空間的記憶體晶片，而可依照記憶卡的空間大小決定 15可儲存的音樂檔案容量，即使空間不足亦僅須額外攜帶另一記 憶卡，不用占去多少的攜帶空間，不但能隨身聆聽音樂更可 多樣性的選擇音樂撥放種類。 如第一圖所示之一音樂播放器丨，係具有電性連接於一 微處理器11的一記憶卡裝置12、一操作介面13' 一資料 2〇緩衝态14、一程式記憶體15以及一聲音解碼器16，聲音 解碼器16則可連接至一聲音輸出裝置17，其中記憶卡裝置 12用以外接一般快閃記憶體晶片所製成的記憶卡，包括如M297503 VIII. New description: [New technical field] This creation is related to audio playback devices, especially an audio card reader that combines the functions of playing and recording digital sound effects. 5 [Previous Technology] I1 has a long history of computer networks and multimedia information technology. The integration of multimedia and computer software and hardware applications must be developed for various multimedia technology companies, such as to read MP3 (MPEG-L Layer3) compression. Format music player, etc., is a technology product that integrates computer digital compression technology, signal processing and playback output. Therefore, once a storage element slot with a reading interface compatible with the player is provided, a small size can be inserted. Memory card, the user only needs to pre-process the computer or retrieve the music compressed file through the network, and then store it in the card, so that all the music to be listened to is not stored in the limited storage space of the player. Body chip, according to the size of the memory card to determine the capacity of 15 music files can be stored, even if the space is insufficient, only need to carry another memory card, do not take up much of the carrying space, not only can listen to music more diverse Choose the type of music to play. A music player as shown in the first figure has a memory card device 12 electrically connected to a microprocessor 11, an operation interface 13', a data buffer state 14, a program memory 15 and A sound decoder 16, the sound decoder 16 can be connected to a sound output device 17, wherein the memory card device 12 uses a memory card made of a conventional flash memory chip, including
MMC ( MultiMediaCard )、SD ( Secure Digital )、SM (SmartMedia)、MS (Memory Stick)等規格的記憶卡，操 4 M297503 作"面13為供使用者操作本系統的功能介面，包括電源開 關、播放檔案、音效控制及紅外線遙控模組接收器等，資 料緩衝器14可暫存記憶卡的檔案以增加微處理器的存 取速度，一般為靜態或動態隨機存取記憶體（SRAM或 DRAM)，私式§己憶體15為存放系統驅動程式的唯讀記憶 體（ROM)，聲音解碼器16用以將音樂壓縮檔案解壓縮後 =轉成類比音源訊號，聲音輸出裝置17為外接式，八或耳 機，因此當有規格符合記憶卡裝置12的記憶卡相連接後， =用，即可透過操作介面13啟動並操控該播放器1，使微 处理=11擷取記憶卡内音樂樓案暫存至資料緩衝器、14，並 式屺板體15提供驅動程式，經聲音解碼器16處理後， 由聲^輸㈣置17輸出可絲聽的音樂。 15 你:t使用者必須先於電腦裝置上取得音樂來源，然後 過的;縮之數位化處理，或者直接透過網路擷取已編碼 = ,存放至記憶卡内，因此勢必犧牲不少的時間 ^月自衣置前作業，才可取得播放器所需的音樂來源。 【新型内容】 器，可創作之主要目的乃在於提供—種音響讀卡 與錄製數位音效的魏。柄之數位音訊，兼具播放 為達成前揭目的，本創^ „ 具有一中/提供之—種音響讀卡為， 裝置，該中史處 存取裝置以及一音訊 °。為i5邏輯運算晶片及隨機存取記憶 20 M297503 :弋，理器’具有一控制端 二”提供触_雙向傳輸之串龍 ς 連接ί財央纽11，具有-數位端組、一Ϊ 轉換&及—編解碼11，該鱗碼11整合有數位 15 軸路，電性連接至該數位端組及轉換器位 =將日㈣_解壓縮絲位音_號以及將數位音源 2壓縮成音樂壓縮檑’該轉換器為類比數位轉換電路 Converter)，私性連接至該類比端組，用以作數位音 源訊號與類比音源訊號之_轉換，該類比端組用以傳輸 上述類比音源訊號，魏位端_讀輸數㈣號；該存 取，置具有至少-容置空間及所對應之至少_介面電路， 各。亥合置空間用以容置非揮發性記憶體所製成的儲存元 件，各該介©電路皆電性連接至該數位端組，用以將所對 應連接儲存元件之紐峨與賴位雜之數位訊號傳輪 ^格作轉換；該音絲置電性連接域控綱組及類比端 組，具有-放大器、-輸人端組及—輸出端組，該放大器 電性連接至該輸入端組、輸出端組及類比端組，用以作類 比音源訊號與聲音訊號之間的電位功率轉換，該輸入端組 及輸出端組分別用以輸入及輸出聲音訊號。 因此可自儲存元件中讀取音樂壓縮檔案，接著依序由 編解碼ϋ解壓縮成數位音源訊號、轉換II將之轉換為類比 音源訊號、由放大器放大其輸出功率，然後自輸出端組輸 出聲音訊號，並可自輸入端組接收音樂來源，接著依序由 该放大器轉換為適當電位功率之類比音源訊號、該轉換器 20 M297503 i理號、編解碼11之壓縮成數位音樂壓奸 播放與錄製數位音效的舰料轉^同時兼具有 實施方式】 以下’、茲配合若干圖式列舉一較佳實施例，用 展之、，a成構件及功效作進—步朗，其情 之 要說明如下： 口代< 間 第 10 意圖 圖係本創作所提供第一較佳實施例之電路方塊示 ， ，一圖係上述第—較佳實施例之裝置應用示意圖； 意圖 第四圖係本創作所提供第二較佳實施例之電路方塊示 凊^閱第二圖所示本創作提供之第一較佳實施例，為 音響項卡器2，具有-中央處理器2〇、一轉換單元％、 存取I置40、一音訊裝置5〇以及一操作面板6〇，其中·· 中央處理ϋ 20絲合邏輯運算晶狀賴存取記情體 2〇晶片的微處理器，具有一控制端組21及一輸出^入 / Input/Output，I/O)介面22，控制端組21電性連接至 j曰汛衣置50，為可提供數位資料作雙向傳輸之介面，本 貝％例所使用者為I2c介面，輸出入介面22電性連接至該 刼作面板60，可將所接收的電性訊號轉換為可供内部晶片 讀取的資料格式。 7 M297503 韓換= 單元30具有-數位端組31、-類比端組32、 轉換杰33、一編解碼器34及一記憶體裝 31用以傳輸數位訊號，類比端組32用 貞文位端組 轉換器33電性連接至類比端組32,為類二位 5路（A/DConverter)，用以作數位音源訊號與類比立^換， 之間的轉換’編解碼器34電性連接於該中央、=、況就 作面板6〇、數位端組31、轉換器33及記憶 操 整合數位解碼電路及編碼電路功能，解瑪 5，為 號規格之音樂壓縮槽解壓縮成數位音源訊號=位訊 10將數位音源訊龍誠音_職，記憶體裝置35、=^* 發性記憶體所製成的唯讀記憶體（R〇M)元件，二 > 軍 所使用者為可抹除程式化唯讀記憶體（EpR⑽）元件，例 儲存有提供編解碼器34電路運作所需的驅動程式。係 存取裝置4〇具有二介面電路q、a及分_對應之 I5 —兀件插槽410、420，各元件插槽410、42〇所形成之容置 空間用以插設快閃記憶體晶片所製成的儲存元件，如:實 %例所應用之各為一 SD卡71及一 USB隨身碟72，介面 電路41、42分別為SD介面及USB介面，皆電性連接至該 數位端組31，用以將所對應連接儲存元件之電性訊號與該 2〇數位端組31之數位訊號傳輸規格作轉換。 音訊裝置50具有一放大器51、一輸入端組52、一輸 出如組53及一開關電路54，放大器51電性連接至該輸入 知組52、輸出端組53及該類比端組32，用以作類比音源 訊號與聲音訊號之間的電位功率轉換，輸入端組52用以輸 M297503 【圖式簡單說明】 器之電路方塊示意圖； 較佳實施例之電路方塊 第圖係習用數位音樂播放 第二圖係本發明所提供第一 意圖；MMC (MultiMediaCard), SD (Secure Digital), SM (SmartMedia), MS (Memory Stick) and other specifications of the memory card, operate 4 M297503 for "Face" for users to operate the system's functional interface, including the power switch, Play file, sound control and infrared remote control module receiver, etc., data buffer 14 can temporarily store the file of the memory card to increase the access speed of the microprocessor, generally static or dynamic random access memory (SRAM or DRAM) The private § 己 体 15 is a read-only memory (ROM) for storing the system driver, and the sound decoder 16 is used to decompress the music compressed file into an analog source signal, and the sound output device 17 is externally connected. Eight or earphones, so when the memory card with the specification conforming to the memory card device 12 is connected, the player can be activated and controlled through the operation interface 13 to make the micro-processing = 11 capture the music building in the memory card. Temporarily stored in the data buffer, 14 and the slate body 15 provides a driver program, and after being processed by the sound decoder 16, the music can be listened to by the sound input (four). 15 You: t users must first obtain the music source on the computer device, and then pass it; digitally process it, or directly capture the coded = through the network, and store it on the memory card, so it will sacrifice a lot of time. ^The month before the work is done before the machine can get the music source needed by the player. [New content] The main purpose of creation is to provide a kind of audio reading and recording of digital sound effects. The digital audio of the handle, combined with the pre-existing purpose of the broadcast, the genre „ has a medium/provided--a kind of audio card reader, the device, the access device of the history and an audio device. The i5 logic operation chip And random access memory 20 M297503: 弋, processor 'has a control terminal two' to provide touch _ two-way transmission of the string dragon ς connection ί 财 纽 纽 11, with a digital end group, a 转换 conversion & and - codec 11. The scale 11 is integrated with a digital 15-axis path, electrically connected to the digit end group and the converter bit = the day (four)_decompressed silk tone_number and the digital sound source 2 is compressed into music compression檑' The device is an analog-to-digital conversion circuit (Converter), and is privately connected to the analog end group for converting the digital audio signal and the analog audio signal. The analog end group is used for transmitting the analog audio signal, and the Wei terminal _ reading the output (4) No. The access has at least an accommodating space and at least a corresponding _ interface circuit, each. The hoisting space is for accommodating the storage component made of the non-volatile memory, and each of the circuit is electrically connected to the digit end group, so as to connect the corresponding connection storage component The digital signal transmission wheel is converted into a grid; the sound is electrically connected to the domain control group and the analog end group, and has an amplifier, an input end group and an output end group, and the amplifier is electrically connected to the input end The group, the output group and the analog end group are used for the potential power conversion between the analog sound source signal and the sound signal, and the input end group and the output end group are respectively used for inputting and outputting the sound signal. Therefore, the music compressed file can be read from the storage component, and then decompressed into a digital audio signal by the codec, converted into an analog audio signal by the conversion II, amplified by the amplifier, and then outputted from the output group. The signal and the music source can be received from the input group, and then converted into an analog power source analog signal by the amplifier, the converter 20 M297503 i, the codec 11 is compressed into a digital music smashing play and recording The digital sound effect of the ship material transfer ^ at the same time has the implementation mode] The following ', with a number of drawings to illustrate a preferred embodiment, with the exhibition, a component and efficiency into the step - step, the situation should be explained The following is a schematic diagram of a first preferred embodiment of the present invention, and a schematic diagram of a device application of the above-described first preferred embodiment; The circuit block of the second preferred embodiment is shown in the second figure. The first preferred embodiment provided by the present invention is an audio card reader 2 having a central processing unit. 2〇, a conversion unit%, an access I 40, an audio device 5〇, and an operation panel 6〇, wherein the central processing unit 20 silk logical operation crystal access memory 2 The processor has a control group 21 and an output/output/output interface (I/O) 22, and the control group 21 is electrically connected to the device 50 for bidirectional transmission of digital data. In the interface, the user of the example is an I2c interface, and the input/output interface 22 is electrically connected to the processing panel 60, and the received electrical signal can be converted into a data format that can be read by the internal chip. 7 M297503 Han change = unit 30 has - digit end group 31, - analog end group 32, conversion Jay 33, a codec 34 and a memory device 31 for transmitting digital signals, analog end group 32 for 贞 end group The converter 33 is electrically connected to the analog end group 32, which is a class 2 bit (A/DConverter), and is used for the conversion between the digital sound source signal and the analogy, and the codec 34 is electrically connected to the switch code 34. The central, =, and the case is the panel 6〇, the digital end group 31, the converter 33, and the memory operation integrated digital decoding circuit and the encoding circuit function, the solution 5, the music compression slot of the number specification is decompressed into a digital sound source signal = bit 10 will be digital audio source Long Chengyin _ job, memory device 35, = ^ * read-only memory (R〇M) component made of hair memory, two > military users can be erased A programmatic read-only memory (EpR(10)) component, for example, stores the drivers needed to provide the codec 34 circuit operation. The access device 4 has two interface circuits q, a and I_ corresponding to the sockets 410, 420, and the accommodating spaces formed by the component slots 410 and 42 are used for inserting the flash memory. The storage components made by the chip, such as the actual application, are an SD card 71 and a USB flash drive 72. The interface circuits 41 and 42 are respectively an SD interface and a USB interface, and are electrically connected to the digital terminal. The group 31 is configured to convert the electrical signal of the corresponding connected storage element and the digital signal transmission specification of the two-digit end group 31. The audio device 50 has an amplifier 51, an input group 52, an output such as a group 53 and a switch circuit 54. The amplifier 51 is electrically connected to the input group 52, the output group 53 and the analog group 32 for For the potential power conversion between the analog source signal and the sound signal, the input terminal group 52 is used to input the circuit block diagram of the M297503. The circuit block diagram of the preferred embodiment is a digital music playing second. The drawings are the first intent provided by the present invention;
f三圖係上述第—較佳實施例之裝置應用示意圖； 第囷係本發明所提供第二較佳實施例之電路方塊开 意圖。 【主要元件符號說明】 2、3音響讀卡器 20中央處理器 22輸出入介面 31數位端組 33轉換器 35記憶體裝置 41、42介面電路 5〇、80音訊裝置 52輸入端組 54開關電路 61指令鍵 621遙控器 631驅動晶片 72USB隨身碟 81射頻電路 90系統偵錯電路 21控制端組 30轉換單元 32類比端組 34編解碼器 40存取裝置 410、420元件插槽 51放大器 53輸出端組 60操作面板 62紅外線接收器 63顯示面板 71SD 卡 73音響裝置 82天線 91 UART介面 13Figure 3 is a schematic view showing the application of the apparatus of the above-described preferred embodiment; the second embodiment of the present invention provides a circuit block diagram of the second preferred embodiment. [Main component symbol description] 2, 3 audio card reader 20 central processor 22 output interface 31 digital end group 33 converter 35 memory device 41, 42 interface circuit 5 〇, 80 audio device 52 input group 54 switch circuit 61 command key 621 remote control 631 drive chip 72 USB flash drive 81 radio frequency circuit 90 system debug circuit 21 control end group 30 conversion unit 32 analog end group 34 codec 40 access device 410, 420 component slot 51 amplifier 53 output Group 60 operation panel 62 infrared receiver 63 display panel 71SD card 73 audio device 82 antenna 91 UART interface 13