1327025 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種測試系統，尤其涉及一種自動測試系統。 【先前技術】 在廣播電視由類比轉向數位的過渡期間’視訊轉換器 (Set-top Box，STB)在廣播電視的各種技術系統中，例如數 位有線、直播到戶（Direct To Home，DTH)衛星業務、數位地 面電視廣播及基於網際網路協定（Internet Protocol，IP)的視 頻業務等，獲得了廣泛的應用。 眾所周知，視訊轉換器在全面推廣之前，必須經過全面的 測試才能為商用提供保障。傳統的測試視訊轉換器的方法係採 用人工方式來測試。然而，對於大多數工程師來說，測試視訊 轉換器的信號品質是一個複雜且冗長費時的工作，因為需要測 試的項目’例如’訊雜比（Signal-to-Noise Ratio)、同步巾备度 (Sync Amplitude )、條訊號幅度（Bar Amplitude )及頻響 (Frequency Response)等，多達好幾百個。在通常情況下， 花費在測試上的時間長短取還決於工程師的經驗和所使用的 測試工具，有可能是幾個小時或幾天，甚至也可能是幾個星期。 【發明内容】 ^ ° 有鑑於此，需要提供一種自動測試系統，可以縮短測 待測裝置的時間。 °〜 另’還需要提供一種自動測試方法，可以縮短測錢 1327025 裝置的時間。 ; 一種自動測試系統，用於自動測試一待測裝置，其包括一 •控‘模組、一訊號產生模組、一編碼模組及一訊號分析模組。 控鈿模組用於接收一編碼參數及一測試項目，並根據測試項目 產生一樣本命令及一分析命令。訊號產生模組用於根據樣本命 令產生一樣本訊號。編碼模組用於根據編碼參數將樣本訊號轉 換為一影片訊號，並將影片訊號傳送給待測裝置，進而影片訊 籲號被轉換為一待測訊號。訊號分析模組用於從待測裝置接收待 測訊號’並根據分析命令分析待測訊號。 一種自動測試方法’用於自動測試一待測裝置，其包括以 下步驟：接收一編碼參數及一測試項目；根據測試項目產生一 樣本命令及一^析命令，根據樣本命令產生一樣本訊號·，根據 . 編碼參數將樣本訊號轉換為一影片訊號；將影片訊號傳送給待 測裝置，進而影片訊號被轉換為一待測訊號；從待測裝置接收 • 待測訊號；及根據分析命令分析待測訊號。 藉由以下對具體實施方式詳細的描述結合附圖，將可輕易 的暸解上述内容及此項發明之諸多優點。 【實施方式】 • 參閱圖1，為本發明自動測試系統一實施方式之實施環境 圖。在本實施方式中，自動測試系統用於測試—待測裝置6〇， 自動測試系統包括一控制裝置ίο、一視頻產生裝置2〇、一音 頻產生裝置30、一即時（Realtime)編碼裝置40、一視頻分析 1327025 裝置70及一音頻分析裝置80。在本實施例中，控制裝置10 可為一個人電腦（personal Computer )，待測裝置60可為一視 訊轉換器（Set-top Box，STB)。 在其他實施方式中，控制裝置1〇亦可為其他控制裝置， 待測裝置60亦可為其他解碼裝置。 在本實施方式中，控制裝置1〇、視頻產生裝置20、音頻 產生襄置30、即時編碼裝置4〇、視頻分析裝置70及音頻分析 裝置80可以自動測試待測裝置6〇，從而可縮短測試待測裝置 60的時間。 控制裝置10可控制視頻產生裝置20產生一視頻樣本訊號 (Video Pattern)，控制音頻產生裝置3〇產生一音頻樣本訊號 (Audio Pattern) ’並控制即時編碼裝置4〇將視頻樣本訊號與 音頻樣本訊號轉換為一影片訊號（Film signal)。然後，即時 編碼裝置40將影片訊號傳送給待測裝置60。待測裝置60會將 心片訊號轉換為一待測視頻訊號及一待測音頻訊號。控制裝置 1〇再控制視頻分析裴置7〇分析待測視頻訊號，及控制音頻分 析裝置80分析待測音頻訊號。從而，自動測試系統可以藉由 控制裝置10、視頻產线置2G、音頻產生裝置3〇、即時編碼 穿置40視頻刀析敦置70及音頻分析裝置80自動測試待測裳 置60 ’可縮短測試待測裝置6()的時間，進而縮短待測裝置的 之產品上市時間。而^ ’即使測試是在不同的地點由不同的工 程師進行，亦可以保朗試結果的準確性、可重複性和一致性。 1327025 參閱圖2，為本發明自動測試系統loo —實施方式之模組 .圖。在本實施方式中’自動測試系統100包括一控制模組11〇、 .一訊號產生模組120、一編碼模組130及一訊號分析模組14〇。 其中’訊號產生模組120包括一視頻產生子模組121及一音頻 產生子模組122。訊號分析模組140包括一視頻分析子模組141 及一音頻分析子模組142。自動測試系統100可應用於如圖1 所示的測試環境。 鲁 在本實施例中，控制模組110可設置於圖1中的控制裝置 10中’視頻產生子模組121可設置於圖1中的視頻產生裝置 20中’音頻產生子模組122可設置於圖1中的音頻產生裝置 .30中，編碼模組130可設置於圖1中的即時編碼裝置4〇中， 視頻分析子模組141可設置於圖1中的視頻分析裝置7〇中， • 音頻分析子模組142可設置於圖1中的音頻分析裝置8〇中。 在其他實施方式中，自動測試系統100之複數子模組或模 籲組亦可以包括於其他的一個或多個裝置。 控制模組110包括一接收子模組111、一檢查子模組112、 一命令產生子模組113、一紅外線遙控器子模組114、一比較 顯示子模組115及一對照表（Mapping Table) 116。 接收子模組111用於接收一檢查訊息、一編碼參數及一測 試項目。在本實施方式中，接收子模組111可包括一個或複數 用戶介面（User Interface，UI)。編瑪參數包括一視頻編碼參 數及一音頻編碼參數。測試項目包括一視頻測試項目、一音頻 1327025 測試項目及各測試項目之標準值。 . 在本實施方式中，視頻編碼參數可包括一視頻訊號標準、 、 * 一視頻壓縮解壓縮（Video CODEC)、一視頻比特率（Video Bit Rate)及一視頻解析度（Video Resolution)等中的一種或複數 種參數。其中，視頻訊號標準可包括一相位交互線（Phase Alternating Line，PAL)及一美國國家電視標準協會（National Television Standards Committee，NTSC)兩種。視頻壓縮解壓 鲁縮可包括一動晝專家小組-1 ( Moving Picture Experts Group-1， MPEG-1)、一 MPEG-2、一 MPEG-4、一 H.264 及一 VC1 等。 視頻解析度可包括一完全（Full) D1 (D1為一解析標準， 720x480 )、一部分（Half ) D1 及一源交換格式（Source Interchange Format，SIF)等。 音頻編碼參數可包括一音頻壓縮解壓縮（Audio CODEC)、一聲音比特率（Audio Bit Rate)及一音頻取樣率 籲 （Audio Sample Rate)等中的一種或複數種參數。其中，音頻 壓縮解壓縮可包括一 MPEG-1、一 MPEG-2、一 MPEG-4、一 進階音頻編碼（Advanced Audio Coding，AAC)及一 MPEG-1 聲音第 3 層（MPEG-1 Layer 3，MP3)等。 在其他實施方式中，視頻編碼參數及音頻編碼參數可根據 不同的設計需求而包括更少或更多的編碼參數。各編碼參數亦 可根據不同的設計需求而包括更多或更少的種類。 1327025 在本實施方式中，視頻測試項目可包括一脈衝串（載色訊 號）水平（Color Burst Level)、一 訊雜比（Signal-to-Noise Ratio)、一同步幅度（Sync Amplitude)、一條訊號幅度（Bar Amplitude)及一頻響（Frequency Response)等中的一種或複 數種項目。音頻測試項目可包括一音頻失真（Audi〇 Distortion )、一總諧波失真 +雜訊（Total Harmonic Distortion + Noise ’ THD+N )、一動態範圍（Dynamic Range )、一串音（Cross1327025 IX. Description of the Invention: [Technical Field] The present invention relates to a test system, and more particularly to an automatic test system. [Prior Art] During the transition from analog to digital to broadcast television, the Set-top Box (STB) is used in various technical systems of broadcast television, such as digital cable, direct to home (DTH) satellites. Services, digital terrestrial television broadcasting, and Internet Protocol (IP)-based video services have gained widespread application. As we all know, video converters must undergo comprehensive testing before they are fully promoted to provide commercial protection. Traditional methods of testing video converters are tested manually. However, for most engineers, testing the signal quality of a video converter is a complex and lengthy and time consuming task because of the items that need to be tested, such as Signal-to-Noise Ratio, Synchronized Tone Ratio ( Sync Amplitude, Bar Amplitude, and Frequency Response are hundreds of times. Under normal circumstances, the length of time spent on testing depends on the experience of the engineer and the test tools used, which may be hours or days, or even weeks. SUMMARY OF THE INVENTION ^ ° In view of this, it is necessary to provide an automatic test system that can shorten the time for measuring the device to be tested. ° ~ Another 'Another automatic test method is required to shorten the time for measuring the 1327025 device. An automatic test system for automatically testing a device under test, comprising: a control module, a signal generation module, an encoding module and a signal analysis module. The control module is configured to receive an encoding parameter and a test item, and generate the same command and an analysis command according to the test item. The signal generation module is used to generate the same signal according to the sample command. The coding module is configured to convert the sample signal into a video signal according to the coding parameter, and transmit the video signal to the device under test, and then the video call number is converted into a signal to be tested. The signal analysis module is configured to receive the signal to be tested from the device under test and analyze the signal to be tested according to the analysis command. An automatic test method for automatically testing a device under test includes the steps of: receiving an encoding parameter and a test item; generating the same command and an analysis command according to the test item, generating the same signal according to the sample command, Converting the sample signal into a video signal according to the encoding parameter; transmitting the video signal to the device under test, and then converting the video signal into a signal to be tested; receiving the signal to be tested from the device under test; and analyzing the test to be tested according to the analysis command Signal. The above and many of the advantages of the invention will be readily apparent from the Detailed Description of the Detailed Description. [Embodiment] FIG. 1 is an implementation environment diagram of an embodiment of an automatic test system according to the present invention. In the present embodiment, the automatic test system is used for testing - the device under test 6 〇, the automatic test system includes a control device ίο, a video generating device 2, an audio generating device 30, a real time encoding device 40, A video analysis 1327025 device 70 and an audio analysis device 80. In this embodiment, the control device 10 can be a personal computer, and the device under test 60 can be a set-top box (STB). In other embodiments, the control device 1 can also be other control devices, and the device under test 60 can also be other decoding devices. In the present embodiment, the control device 1A, the video generating device 20, the audio generating device 30, the instant encoding device 4, the video analyzing device 70, and the audio analyzing device 80 can automatically test the device under test 6〇, thereby shortening the test. The time of device 60 to be tested. The control device 10 can control the video generating device 20 to generate a video pattern (Video Pattern), control the audio generating device 3 to generate an audio pattern signal (Audio Pattern) and control the instant encoding device 4 to transmit the video sample signal and the audio sample signal. Convert to a film signal. Then, the instant encoding device 40 transmits the movie signal to the device under test 60. The device under test 60 converts the heartbeat signal into a video signal to be tested and an audio signal to be tested. The control device 1 further controls the video analysis device 7 to analyze the video signal to be tested, and controls the audio analysis device 80 to analyze the audio signal to be tested. Therefore, the automatic test system can automatically test the test stand 60' by the control device 10, the video production line 2G, the audio generation device 3, the instant code wear 40 video knife analysis 70 and the audio analysis device 80 The time of the device under test 6() is tested, thereby shortening the time to market of the device under test. And ^ ’ even if the test is conducted by different engineers at different locations, the accuracy, repeatability and consistency of the results can be guaranteed. 1327025 Referring to FIG. 2, it is a module of an automatic test system loo-implementation method of the present invention. In the present embodiment, the automatic test system 100 includes a control module 11 , a signal generation module 120 , an encoding module 130 , and a signal analysis module 14 . The signal generation module 120 includes a video generation sub-module 121 and an audio generation sub-module 122. The signal analysis module 140 includes a video analysis sub-module 141 and an audio analysis sub-module 142. The automated test system 100 can be applied to a test environment as shown in FIG. In this embodiment, the control module 110 can be disposed in the control device 10 of FIG. 1. The video generation sub-module 121 can be disposed in the video generation device 20 of FIG. 1. The audio generation sub-module 122 can be set. In the audio generating device 30 of FIG. 1, the encoding module 130 can be disposed in the instant encoding device 4 of FIG. 1, and the video analyzing sub-module 141 can be disposed in the video analyzing device 7A of FIG. • The audio analysis sub-module 142 can be disposed in the audio analysis device 8A of FIG. In other embodiments, the plurality of sub-modules or groups of the automated test system 100 may also be included in one or more other devices. The control module 110 includes a receiving sub-module 111, a check sub-module 112, a command generating sub-module 113, an infrared remote control sub-module 114, a comparison display sub-module 115, and a comparison table (Mapping Table). ) 116. The receiving sub-module 111 is configured to receive an inspection message, an encoding parameter, and a test item. In this embodiment, the receiving submodule 111 may include one or a plurality of user interfaces (UIs). The marshalling parameters include a video encoding parameter and an audio encoding parameter. The test project includes a video test project, an audio 1327025 test project, and standard values for each test project. In this embodiment, the video encoding parameters may include a video signal standard, a video compression decompression (Video CODEC), a video bit rate (Video Bit Rate), and a video resolution (Video Resolution). One or more parameters. The video signal standard may include a Phase Alternating Line (PAL) and a National Television Standards Committee (NTSC). Video compression decompression can include Moving Picture Experts Group-1 (MPEG-1), an MPEG-2, an MPEG-4, an H.264, and a VC1. The video resolution may include a Full D1 (D1 is a parsing standard, 720x480), a part (Half) D1, and a Source Interchange Format (SIF). The audio encoding parameters may include one or a plurality of parameters of an audio CODEC, an Audio Bit Rate, and an Audio Sample Rate. The audio compression and decompression may include an MPEG-1, an MPEG-2, an MPEG-4, an Advanced Audio Coding (AAC), and an MPEG-1 sound layer 3 (MPEG-1 Layer 3). , MP3) and so on. In other embodiments, the video encoding parameters and audio encoding parameters may include fewer or more encoding parameters depending on different design requirements. Each coding parameter can also include more or fewer types depending on different design requirements. 1327025 In this embodiment, the video test item may include a burst (Color Burst Level), a Signal-to-Noise Ratio, a Sync Amplitude, and a signal. One or a plurality of items such as Bar Amplitude and Frequency Response. Audio test items can include an Audio Distortion, Total Harmonic Distortion + Noise ‘THD+N, a Dynamic Range, and a Cross (Cross)
Talk)及一頻響（Frequency Response)等中的一種或複數種項 目。 在其他實施方式中，視頻測試項目及音頻測試項目可根據 不同的設計需求而包括更少或更多的測試項目。 在本實施方式中，用戶可藉由接收子模組m之用戶介面 對編碼參數進行選擇設定，再藉由分析測試項目而得知待測裝 置60之性能。例如’若視頻編碼參數選擇MPEG-1，則可藉 由分析視頻測試項目所包括之項目，而得知待測裝置60對 MPEG-1的解壓能力。 檢查子模組112用於根據檢查訊息檢查自動測試系統100 之連線狀態°在本實施方式中，檢查子模組112檢查視頻產生 裝置20、音頻產生裝置30、即時編碼裝置40、待測裝置60、 視頻分析裝置70及音頻分析装置80之連線狀態。 在另一實施方式中，檢查子模組H2亦可僅檢查自動測試 系統100之一個或複數個裝置之連線狀態。 1327025 在又一實施方式中’自動測試系統100亦可不檢查連線狀 態，控制模組100亦可不包括檢查子模組112。相應地，接收 子k組111亦可不必接收檢查訊息。 在本實施例中，控制裝置10可藉由一通用介面匯流排 (General Purpose Interface Bus，GPIB)控制視頻產生裝置 20’藉由一音頻精度介面匯流排（Audio Precision Interface Bus ’ APIB)控制音頻產生裝置30，藉由一簡單網路管理協定 ❿（Simple Network Management Protocol，SNMP )控制即時編 碼裝置40 ’藉由紅外線遙控器子模組1;L4控制待測裝置6〇， 藉由GPIB控制視頻分析裝置70，及藉由APIB控制音頻分析 裝置80。相應地，檢查訊息可包括GpiB位址（Address)、ApiB 位址及等待時間等相關訊息。 在其他實施例中，控制裝置1〇亦可藉由其他方式控制視 頻產生裝置20、音頻產生裝置3〇、即時編碼裝置4〇、待測裝 瞻置60、視頻分析裝置7〇及音頻分析裝置8〇。相應地，檢查訊 息可根據不同的設計需求包括其他訊息。 在自動測試系統100的啟動（SetUp)階段，用戶可藉由 接收子模組100之用戶介面輸入檢查訊息，檢查子模組112再 •根據檢查訊息檢查各裴置之連線狀態，並藉由用戶介面回報連 線狀態，即回報是否成功連線。在本實施例中，檢查子模組112 根據檢查訊息傳送-請求訊息給每一裝置，如果從該裝置接收 到-回應訊息，則該震置之連線正常，如果未從該裝置接收到 11 1327025 回應訊息，則該裝置之連線不正常。 - 對照表116包括測試項目與一樣本訊號之間的對照關係。 命令產生子模組113用於根據測試項目產生一樣本命令及 一分析命令。 樣本命令包括一視頻樣本命令及一音頻樣本命令。分析命 令包括一視頻分析命令及一音頻分析命令。 在本實施方式中，命令產生子模組113根據視頻測試項目 •與對照表116產生視頻樣本命令，根據音頻測試項目與對照表 116產生音頻樣本命令，根據視頻測試項目產生視頻分析命 令，及根據音頻測試項目產生音頻分析命令。視頻樣本命令用 於告知視頻產生子模組121需要產生何種類型的視頻樣本訊 號。音頻樣本命令用於告知音頻產生子模組122需要產生何種 -類型的音頻樣本訊號。視頻分析命令用於告知視頻分析子模組 141要測試的項目。音頻分析命令料告知音頻分析子模組142 •要測試的項目。 紅外線遙控器子模組114用於控制待測裝置6〇。在本實施 方式中，紅外線遙控器子模組114可為一紅外線製具 .(Fixture)。在測試待測裝置60的過程中，紅外線遙控器子模 -組114可用於傳送-控制訊號給待測裝置⑼，以使待測震置 60初始化。 比較顯示子模組115之功能將在下文中詳細敘述。 訊號產生模組⑽用於根據樣本命令產生樣本訊號。在本 12 1327025 實施方式中，樣本訊號包括視頻樣本訊號及音頻樣本訊號。視 頻產生子模組121用於根據視頻樣本命令產生一視頻樣本訊 號。音頻產生子模組122用於根據音頻樣本命令產生一音頻樣 本ifl號。在本實施例中，視頻樣本訊號與音頻樣本訊號皆為一 類比訊號。 編碼模組130用於根據編碼參數將樣本訊號轉換為一影片 訊號。在本實施方式中，編碼參數包括視頻編碼參數及音頻編 碼參數。樣本訊號包括視頻樣本訊號及音頻樣本訊號。編碼模 組130用於根據視頻編碼參數與音頻編碼參數將視頻樣本訊號 與音頻樣本訊號轉換為影片訊號。影片訊號為一數位訊號。然 後’編碼模組130將影片訊號傳送給待測裝置60。 在本實施方式中，當編碼模組13〇將樣本訊號轉換為影片 訊號後，利用紅外線遙控器子模組114傳送控制訊號給待測裝 置60，待測裝置6〇接收控制訊號後，進行初始化。然後，待 測裝置60接收影片訊號，並將影片訊號轉換為一待測訊號。 在其他實施方式中，紅外線遙控器子模組114亦可在編碼 模組130將樣本訊號轉換為影片訊號之前，傳送控制訊號給待 測裝置60 ’以使待測裝置60初始化。 訊號刀析模組14〇用於從待測裝置6〇接收待測訊號，益 據刀析命7刀析待測訊號。然後，訊號分析模組140會將分 析結果傳料控龍組⑽之比_示子模組 115。在本實施 方式中’分析命令包括視頻分析命令及音頻分析命令。待測訊 13 1327025 號包括一視頻待測訊號及一音頻待測訊號β 視頻分析子模組141用於從待測裝置6〇接收待測視頻訊 號’並根據視頻分析命令分析待測視頻訊號。音頻分析子模組 I42用於從待縣置6〇接收待測音頻減，並根據音頻分析命 令分析待測音頻訊號。 控制模組：UO之比較顯示子模組115用於顯示測試結果。One or a plurality of items, such as Talk) and Frequency Response. In other embodiments, the video test project and the audio test project may include fewer or more test items depending on different design requirements. In this embodiment, the user can select and set the coding parameters by receiving the user interface of the sub-module m, and then know the performance of the device under test 60 by analyzing the test items. For example, if MPEG-1 is selected for the video coding parameter, the device 260 can be decompressed by the device under test by analyzing the items included in the video test item. The inspection sub-module 112 is configured to check the connection state of the automatic test system 100 according to the inspection message. In the embodiment, the inspection sub-module 112 checks the video generation device 20, the audio generation device 30, the instant encoding device 40, and the device under test. 60. The connection state of the video analysis device 70 and the audio analysis device 80. In another embodiment, the inspection sub-module H2 may also check only the connection status of one or a plurality of devices of the automatic test system 100. 1327025 In another embodiment, the automatic test system 100 may not check the connection state, and the control module 100 may not include the inspection sub-module 112. Accordingly, the receiving sub-k group 111 may not necessarily receive the check message. In this embodiment, the control device 10 can control the audio generation device by an Audio Precision Interface Bus (APIB) through a General Purpose Interface Bus (GPIB) control video generation device 20'. The device 30 controls the instant encoding device 40 by a simple network management protocol (SNMP) to control the device under test by the infrared remote controller sub-module 1; L4, and controls the video analysis by GPIB. The device 70, and the audio analysis device 80 is controlled by the APIB. Correspondingly, the check message may include related information such as GpiB address, ApiB address and waiting time. In other embodiments, the control device 1 can also control the video generating device 20, the audio generating device 3, the instant encoding device 4, the device to be tested 60, the video analyzing device 7 and the audio analyzing device by other means. 8〇. Accordingly, the inspection message can include other messages depending on different design requirements. In the setup phase of the automatic test system 100, the user can input an inspection message through the user interface of the receiving sub-module 100, and the inspection sub-module 112 checks the connection status of each device according to the inspection message, and The user interface returns the connection status, that is, whether the return is successfully connected. In this embodiment, the check sub-module 112 transmits a request message to each device according to the check message. If a response message is received from the device, the connection of the set is normal, if no response is received from the device. 1327025 In response to the message, the connection to the device is not normal. - The comparison table 116 includes a comparison relationship between the test item and the same signal. The command generation sub-module 113 is configured to generate the same command and an analysis command according to the test item. The sample command includes a video sample command and an audio sample command. The analysis command includes a video analysis command and an audio analysis command. In the present embodiment, the command generation sub-module 113 generates a video sample command according to the video test item and the comparison table 116, generates an audio sample command according to the audio test item and the comparison table 116, generates a video analysis command according to the video test item, and The audio test project produces audio analysis commands. The video sample command is used to inform the video generation sub-module 121 what type of video sample signal is required to be generated. The audio sample command is used to inform the audio generation sub-module 122 what type of audio sample signal to generate. The video analysis command is used to inform the video analysis sub-module 141 of the item to be tested. The audio analysis command informs the audio analysis sub-module 142 • the item to be tested. The infrared remote controller sub-module 114 is used to control the device under test 6〇. In this embodiment, the infrared remote controller sub-module 114 can be an infrared device (Fixture). In the process of testing the device under test 60, the infrared remote control sub-module 114 can be used to transmit a control signal to the device under test (9) to initialize the device to be measured 60. The function of the comparison display sub-module 115 will be described in detail below. The signal generation module (10) is configured to generate a sample signal according to the sample command. In the embodiment of 13 1227025, the sample signal includes a video sample signal and an audio sample signal. The video generation sub-module 121 is configured to generate a video sample signal according to the video sample command. The audio generation sub-module 122 is configured to generate an audio sample ifl according to the audio sample command. In this embodiment, the video sample signal and the audio sample signal are all analog signals. The encoding module 130 is configured to convert the sample signal into a video signal according to the encoding parameter. In this embodiment, the encoding parameters include video encoding parameters and audio encoding parameters. The sample signal includes a video sample signal and an audio sample signal. The coding module 130 is configured to convert the video sample signal and the audio sample signal into a video signal according to the video encoding parameter and the audio encoding parameter. The video signal is a digital signal. The code module 130 then transmits the film signal to the device under test 60. In this embodiment, after the encoding module 13 converts the sample signal into a video signal, the infrared remote controller sub-module 114 transmits a control signal to the device under test 60, and the device under test 6 receives the control signal and initializes . Then, the device under test 60 receives the video signal and converts the video signal into a signal to be tested. In other embodiments, the infrared remote controller sub-module 114 can also transmit a control signal to the device under test 60' to initialize the device under test 60 before the encoding module 130 converts the sample signal into a video signal. The signal analysis module 14 is configured to receive the signal to be tested from the device under test 6〇, and analyze the signal to be measured. Then, the signal analysis module 140 transmits the analysis result to the ratio of the control group (10) to the sub-module 115. In the present embodiment, the 'analysis command' includes a video analysis command and an audio analysis command. 13 1327025 includes a video to be tested signal and an audio to-be-tested signal β video analysis sub-module 141 for receiving the video signal to be tested from the device under test 6' and analyzing the video signal to be tested according to the video analysis command. The audio analysis sub-module I42 is configured to receive the audio subtraction to be tested from the county to be tested, and analyze the audio signal to be tested according to the audio analysis command. Control Module: The UO comparison display sub-module 115 is used to display the test results.
式中’比較顯示子模組115將訊號分析模組140的 ^ 果與接好触出職收的各測㈣目之標準值 比對H試項目之分析結果滿足該測試項目之桿 比較顯示子模組⑽顯示該測試項目顯示之測試，果為成^ (pass)mm項目之分析結果不从H柄目 值，則比較顯示子模組150顯示該測試項_、 *準 失敗（Fail)。 頌不之測試結果為 參閱圖3 ’為本發明自動測試系統另 圖，本實施方式之自_試系統更可㈣ 本實施方式之自動測試系統與圖i之自動剛之&境下‘ 本實施方式之自動測試系統更包括—傳輸:，惟 1〇還控制即時編㈣置4〇將影片訊號經 =農眉 待測裝置60。本實施方式之其域置與圖^路50傳送至 因此省略說明。 <其他裝置相同 一實施方式之模 之自動測試系統 參閱圖4 ’為本發明自動測試系統100,另 組圖。本實施方式之自動賴系統10G，與圖2 1327025 100相似，惟，本實施方式之自動測試系統100’更包括一網路 模擬模組150，自動測試系統100’可應用於如圖3所示的測試 環^>。本實施方式之其他模組與圖2之其他模組相同，因此省 略&明。 在本實施方式中，控制模組110可設置於圖3中的控制| 置1〇中，視頻產生子模組121可設置於圖3中的視頻產生| 置20中，音頻產生子模組122可設置於圖3中的音頻產生裳 置30中，編碼模組130可設置於圖3中的即時編碼裝置4〇中， 網路模擬模組150可設置於圖3中的傳輸網路50中。視頻分 析子模組141可設置於圖3中的視頻分析裝置70中，音頻分 析子模組142可設置於圖3中的音頻分析裝置8〇中。 在其他實施方式中，自動測試系統100，之複數子模組或模 組亦可以包括於其他的一個或多個裝置。 在本實施方式中，接收子模組ιη還用於藉由用戶介面接 收-網路測試項目。檢查子模組112制於根據檢查訊息檢查 傳輸網路5〇之連接狀。命令產生子模組1η還用於根據網 路測試項目產生一網路命令。 網路模擬模組150用於根據網路命令將影片訊號轉換為網 路傳輸訊號，以频傳輸财％，並將㈣傳輸減傳送給待 測裝置60。然、後，待測裝置⑼會將網路傳輸訊號轉換為待测 訊號。 在本實施方式中冑輪網路5〇可為一網際網路協定 15 1327025 (Internet Protocol ’ IP)網路、一數位有線（Cable)網路、一 數位地面（Terrestrial)網路或一數位衛星（SateUite)網路等。 相應地，網路模擬模組150可根據網路命令選擇合適的通道或 調變方式將影片訊號轉換為網路傳輸訊號。網路傳輸訊號可為 一 IP封包或一調變訊號等。 參閱圖5，為本發明自動測試方法一實施方式之流程圖。 在本實施方式中，自動測試系統1〇〇可自動測試待測裝置6〇。 在步驟S500，控制模組110接收一編碼參數及一測試項 目。在步驟S502,控制模組11〇根據測試項目產生一樣本命令 及一分析命令。 在步驟S504，訊號產生模組120根據樣本命令產生一樣 本訊號。在步驟S5〇6，編碼模組13〇根據編碼參數將樣本訊 號轉換為一影片訊號。在步驟S508，編碼模組130將影片訊 號傳送給待測裝置60，進而影片訊號被轉換為一待測訊號。 在步驟S510，訊號分析模組14〇從待測裝置6〇接收待測 訊號。在步驟S512 ,訊號分析模組14〇根據分析命令分析待 測訊號。 參閱圖6,為本發明自動測試方法另一實施方式之流程 圖。在本實施方式中，自動測試系統100,可自動測試待測裂置 60。 在步驟S600’控制模組110檢查自動測試系統1〇〇的連線 狀態。在步驟S602’控制模組110接收一編碼參數及一測試項 16 1327025 目。在步驟S604，控制模組110根據測試項目產生一樣本命 令、一網路命令及一分析命令。 ; 在步驟S606，訊號產生模組120根據樣本命令產生一樣 本訊號。在步驟S608，編碼模組130根據編碼參數將樣本訊 號轉換為一影片訊號。 ° 在步驟S610，網路模擬模組150根據網路命令將影片訊 號轉換為一網路傳輸訊號。在步驟S612，網路模擬模組15〇 ®將影片訊號傳送給待測裝置60。 在步驟S614，訊號分析模組140從待測裝置6〇接收一待 測訊號。在步驟S616，訊號分析模組14〇根據分析命令分析 待測訊號。 參閱圖7及圖8,圖7為圖6中步驟S600〜S608之自動測 試方法之詳細流程圖。圖8為圖7之從節點A之後的流程圖， 亦即’其為圖6中步驟S610〜S616之自動測試方法之詳細流程 ®圖。 在步驟S700，接收子模組111接收一檢查訊息。 在步驟S702 ’檢查子模組112根據檢查訊息檢查自動測試 系統100’的連線狀態。在本實施方式中，檢查子模組112檢查 .視頻產生裝置20、音頻產生裝置30、即時編碼裝置40、傳輸 網路50、待測裝置60、視頻分析裝置70及音頻分析裝置8〇 之連線狀態。檢查子核組112根據檢查訊息傳送一請求訊息給 每一裝置’如果從該裝置接收到一回應訊息，則該裝置之連線In the formula, the comparison display sub-module 115 compares the result of the signal analysis module 140 with the standard value of each test (four) of the received test, and the analysis result of the H test item satisfies the test result of the test item. The module (10) displays the test displayed by the test item. If the analysis result of the (pass) mm item is not from the H handle value, the comparison display sub-module 150 displays the test item _, * Fail. The test result is referred to FIG. 3 'is another diagram of the automatic test system of the present invention, and the self-test system of the present embodiment is more (4) The automatic test system of the mode further includes - transmission: only 1〇 also controls the instant editing (4) to set the video signal to pass through the farmer to be tested device 60. The domain of the present embodiment is transmitted to the path 50, and the description thereof will be omitted. <Other devices are the same as the automatic test system of the embodiment. Referring to Fig. 4', the automatic test system 100 of the present invention is shown in another figure. The automatic test system 100G of the present embodiment is similar to the 1327025 100 of FIG. 2, but the automatic test system 100' of the present embodiment further includes a network simulation module 150, and the automatic test system 100' can be applied as shown in FIG. Test loop ^>. The other modules of the present embodiment are the same as the other modules of FIG. 2, and therefore, the & In this embodiment, the control module 110 can be disposed in the control device of FIG. 3, and the video generation sub-module 121 can be disposed in the video generation unit 20 of FIG. The encoding module 130 can be disposed in the instant encoding device 4 of FIG. 3, and the network simulation module 150 can be disposed in the transmission network 50 of FIG. . The video analysis sub-module 141 can be disposed in the video analysis device 70 of FIG. 3, and the audio analysis sub-module 142 can be disposed in the audio analysis device 8A of FIG. In other embodiments, the plurality of sub-modules or modules of the automated test system 100 may also be included in one or more other devices. In this embodiment, the receiving sub-module is also used to receive a network test item through a user interface. The inspection sub-module 112 is configured to check the connection of the transmission network 5 according to the inspection message. The command generation sub-module 1n is also used to generate a network command based on the network test item. The network analog module 150 is configured to convert the video signal into a network transmission signal according to the network command, to transmit the money in frequency, and transmit the (4) transmission to the device to be tested 60. After that, the device under test (9) converts the network transmission signal into a signal to be tested. In this embodiment, the network 5 can be an Internet Protocol 15 1327025 (Internet Protocol 'IP) network, a digital cable network, a terrestrial network or a digital satellite. (SateUite) network, etc. Correspondingly, the network analog module 150 can select a suitable channel or a modulation method to convert the video signal into a network transmission signal according to the network command. The network transmission signal can be an IP packet or a modulation signal. Referring to FIG. 5, it is a flowchart of an embodiment of an automatic test method according to the present invention. In the present embodiment, the automatic test system 1 can automatically test the device under test 6〇. In step S500, the control module 110 receives an encoding parameter and a test item. In step S502, the control module 11 generates the same command and an analysis command according to the test item. In step S504, the signal generation module 120 generates the same signal according to the sample command. In step S5, the encoding module 13 converts the sample signal into a video signal according to the encoding parameter. In step S508, the encoding module 130 transmits the video signal to the device under test 60, and the video signal is converted into a signal to be tested. In step S510, the signal analysis module 14 receives the signal to be tested from the device under test 6〇. In step S512, the signal analysis module 14 analyzes the signal to be tested according to the analysis command. Referring to Figure 6, there is shown a flow chart of another embodiment of the automatic test method of the present invention. In the present embodiment, the automatic test system 100 can automatically test the crack 60 to be tested. At step S600', the control module 110 checks the connection status of the automatic test system 1〇〇. In step S602, the control module 110 receives an encoding parameter and a test item 16 1327025. In step S604, the control module 110 generates the same command, a network command, and an analysis command according to the test item. In step S606, the signal generation module 120 generates the same signal according to the sample command. In step S608, the encoding module 130 converts the sample signal into a movie signal according to the encoding parameter. ° In step S610, the network analog module 150 converts the video signal into a network transmission signal according to the network command. In step S612, the network simulation module 15A transmits the video signal to the device under test 60. In step S614, the signal analysis module 140 receives a test signal from the device under test 6〇. In step S616, the signal analysis module 14 analyzes the signal to be tested according to the analysis command. Referring to Figures 7 and 8, Figure 7 is a detailed flow chart of the automatic test method of steps S600 to S608 of Figure 6. Fig. 8 is a flow chart subsequent to the slave node A of Fig. 7, that is, a detailed flow chart of the automatic test method of steps S610 to S616 in Fig. 6. In step S700, the receiving sub-module 111 receives an inspection message. The check sub-module 112 checks the connection state of the automatic test system 100' based on the check message in step S702'. In the present embodiment, the inspection sub-module 112 checks the video generation device 20, the audio generation device 30, the instant encoding device 40, the transmission network 50, the device under test 60, the video analysis device 70, and the audio analysis device 8 Line status. The check sub-core set 112 transmits a request message to each device based on the check message. If a response message is received from the device, the device is connected.
17 1327025 正常，如果未從該裝置接收到回應訊息，則該裝置之連線不正 .常。 - 在另一實施方式中，檢查子模組112亦可僅檢查測試系統 之一個或複數個裝置之連線狀態，亦可不檢查各裝置之連線狀 態。 在步驟S704，接收子模組ill接收一視頻編碼參數、一聲 音編碼參數、一視頻測試項目、一音頻測試項目、一網路測試 籲項目及各測試項目之標準值。 在步驟S706,命令產生子模組113根據視頻測試項目與對 照表116產生一視頻樣本命令’根據音頻測試項目與對照表 116產生一音頻樣本命令，根據網路測試項目產生一網路命 令，根據視頻測試項目產生一視頻分析命令，及根據音頻測試 項目產生·一音頻分析命令。 在步驟S708，視頻產生子模組121根據視頻樣本命令產 生一視頻樣本訊號。 在步驟S710，音頻產生子模組122根據音頻樣本命令產 生一音頻樣本訊號。在本實施方式中，視頻樣本訊號與音頻樣 本訊號為一類比訊號。 在本實施例中，步驟S708與步驟S710可同時執行，可步 驟S710先執行，亦可步驟S7〇8先執行。 在步驟S712，編碼模組13()根據視頻編碼參數與音頻編 碼參數將視頻樣本訊號與音頻樣本訊號轉換為一影片訊號。在 18 1327025 本實施方式中’影片訊號為—數位訊號、然後進人步驟A。 • 參閱圖8，為圖7中步驟a之後的流程圖。 ; 在步驟S8〇〇，網路模擬模組150根據網路命令將影片訊 號轉換為網路傳輸訊號。在本實施方式巾，網闕擬模組⑼ 可模擬- IP網路、一數位有線網路、一數位地面網路或一數 位衛星網路等。相應地，網路模擬模組15〇可根據網路命令選 擇合適的通道或調變方式，將影片訊號轉換為網路傳輸訊號。 鲁網路傳輸訊號可為一 IP封包或—調變訊號等。 在步驟S802’紅外線遙控器子模組114傳送一控制訊號給 待測裝置60，以使待測裝置60初始化。 在其他實施方式中，紅外線遙控器子模組114亦可在編碼 •模組⑽將樣本訊號轉換為影片訊號之前，傳送控制訊號給待 測裝置60，以使待測裝置6〇初始化。 在步驟S804 ’網路模擬模組15〇將網路傳輸訊號傳送給 待測裝置6G。在本實施方式巾，制裝㈣接㈣網路傳輪 訊號後’會將網路傳輸訊號轉換為一待測訊號。待測訊號包括 一待測視頻訊號及一待測音頻訊號。 在步驟S8〇6，視頻分析子模组⑷從待測裝置6〇接收待 •測視頻訊號，並根據視頻分析命令分析待測視頻訊號之測試項 目。 在步驟S808 ’音頻分析子模組142從待測裝置6〇接收待 測音頻訊號，並根據音頻分析命令分析待測音頻訊號之測試項 19 丄327025 目。 •在步驟S810,比較顯示子模組115將視頻分析子模組141 與音頻分析子模組142所分析的結果與接收子模組111所接收 的各測試項目之鮮值騎比對，並㈣—職結果。在本實 施方式中，右一測試項目之分析結果滿足該測試項目之標準 值，則比㈣科歡15G顯示朗試項目顯示之職結果為 成功。若-測試項目之分析結果不滿足該測試項目之標準值， 則比較顯示子敝15〇顯㈣職項目顯示之測試結果為失 敗。從而，自動測試系統100,完成自動測試待測裝置。 在本發明之實施方式中，自動測試系統100及自動測試系 統勘，可以自動測試待測裝置60，從而可縮短測待測裝置60 的時間’進而可縮短待測|置60之產品上市時間，而且可以 保證測試結果的準確性、可重複性和一致性。 綜上所述，本發明符合發明專利要件，爰依法提出專利申 請。惟，以上所述者僅為本發明之較佳實施方式，舉凡熟悉本 案技藝之人士 ’在援依本案發明精神所作之等效料或變:， 皆應包含於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明自動測試系統一實施方式之實施環境圖。 圖2係本發明自動測試系統一實施方式之模組圖。 圖3係本發明自動測試系統另-實施方式之實施環境圖。 圖4係本發明自動測試系統另一實施方式之模組圖。 1327025 圖5係本發明自動測試方法一實施方式之流程圖。 圖6係本發明自動測試方法另一實施方式之流程圖。 圖7係圖6中自動測試方法之詳細流程圖。 圖_8係圖6中自動測試方法之詳細流程圖。 【主要元件符號說明】17 1327025 Normal, if the response message is not received from the device, the connection to the device is not correct. - In another embodiment, the inspection sub-module 112 may also check only the connection status of one or more devices of the test system, or may not check the connection status of each device. In step S704, the receiving submodule ill receives a video encoding parameter, a sound encoding parameter, a video test item, an audio test item, a network test call item, and a standard value of each test item. In step S706, the command generation sub-module 113 generates a video sample command according to the audio test item and the comparison table 116 to generate an audio sample command according to the audio test item and the comparison table 116, and generates a network command according to the network test item, according to The video test project generates a video analysis command and generates an audio analysis command based on the audio test project. In step S708, the video generation sub-module 121 generates a video sample signal according to the video sample command. In step S710, the audio generation sub-module 122 generates an audio sample signal according to the audio sample command. In this embodiment, the video sample signal and the audio sample signal are analog signals. In this embodiment, step S708 and step S710 can be performed simultaneously, and step S710 can be performed first, or step S7〇8 can be performed first. In step S712, the encoding module 13() converts the video sample signal and the audio sample signal into a video signal according to the video encoding parameter and the audio encoding parameter. In 18 1327025, in this embodiment, the movie signal is a digital signal, and then proceeds to step A. • Refer to Figure 8 for the flow chart after step a in Figure 7. In step S8, the network simulation module 150 converts the video signal into a network transmission signal according to the network command. In the present embodiment, the network module (9) can simulate - an IP network, a digital cable network, a digital terrestrial network or a digital satellite network. Correspondingly, the network analog module 15 can select a suitable channel or modulation mode according to the network command to convert the video signal into a network transmission signal. The Lu network transmission signal can be an IP packet or a modulation signal. In step S802', the infrared remote controller sub-module 114 transmits a control signal to the device under test 60 to initialize the device under test 60. In other embodiments, the infrared remote controller sub-module 114 can also transmit a control signal to the device under test 60 before the code module (10) converts the sample signal into a film signal, so that the device under test 6 is initialized. The network analog module 15 transmits the network transmission signal to the device under test 6G in step S804. In the present embodiment, after the (4) connection (4) network transmission signal is transmitted, the network transmission signal is converted into a signal to be tested. The signal to be tested includes a video signal to be tested and an audio signal to be tested. In step S8, the video analysis sub-module (4) receives the video signal to be tested from the device under test 6 and analyzes the test item of the video signal to be tested according to the video analysis command. In step S808, the audio analysis sub-module 142 receives the audio signal to be tested from the device under test 6〇, and analyzes the test item 19 丄 327025 of the audio signal to be tested according to the audio analysis command. In step S810, the comparison display sub-module 115 compares the result analyzed by the video analysis sub-module 141 and the audio analysis sub-module 142 with the fresh-valued ride of each test item received by the receiving sub-module 111, and (4) - job results. In this embodiment, the analysis result of the right test item satisfies the standard value of the test item, and the result of the display of the test item is successful than (4) Ke Huan 15G. If the analysis result of the test item does not satisfy the standard value of the test item, the comparison shows that the test result shown by the sub-project is not a failure. Thus, the automatic test system 100 completes the automatic test of the device under test. In the embodiment of the present invention, the automatic test system 100 and the automatic test system can automatically test the device under test 60, thereby shortening the time for testing the device under test 60, thereby shortening the time to market of the product to be tested. It also guarantees the accuracy, repeatability and consistency of test results. In summary, the present invention complies with the requirements of the invention patent, and proposes a patent application according to law. The above is only the preferred embodiment of the present invention, and all equivalents or modifications made by those skilled in the art of the present invention should be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an implementation environment diagram of an embodiment of an automatic test system of the present invention. 2 is a block diagram of an embodiment of an automatic test system of the present invention. 3 is an implementation environment diagram of another embodiment of the automatic test system of the present invention. 4 is a block diagram of another embodiment of the automatic test system of the present invention. 1327025 FIG. 5 is a flow chart of an embodiment of an automatic test method of the present invention. 6 is a flow chart of another embodiment of the automatic test method of the present invention. Figure 7 is a detailed flow chart of the automatic test method in Figure 6. Figure _8 is a detailed flow chart of the automatic test method in Figure 6. [Main component symbol description]
控制裝置 10 視頻產生裝置 20 音頻產生裝置 30 即時編碼裝置 40 傳輸網路 50 待測裝置 60 視頻分析裝置 70 音頻分析裝置 80 自動測試系統 100、100, 控制模組 110 接收子模組 111 檢查子模組 112 命令產生子模組 113 紅外線遙控器子模組 114 比較顯示子模組 115 對照表 116 訊號產生模組 120 21 1327025 視頻產生子模組 121 音頻產生子模組 122 • 編碼模組 130 訊k分析模組 140 視頻分析子模組 141 音頻分析子模組 142 網路模擬模組 150Control device 10 video generating device 20 audio generating device 30 instant encoding device 40 transmission network 50 device under test 60 video analyzing device 70 audio analyzing device 80 automatic testing system 100, 100, control module 110 receiving sub-module 111 checking sub-module Group 112 command generation sub-module 113 Infrared remote control sub-module 114 Comparison display sub-module 115 Comparison table 116 Signal generation module 120 21 1327025 Video generation sub-module 121 Audio generation sub-module 122 • Encoding module 130 Analysis module 140 video analysis sub-module 141 audio analysis sub-module 142 network simulation module 150
22twenty two