Rules for the Technical Engineering of Cable Radio and Television Systems Article 2

Definition of terms under these Rules:1. Head-end: refers to the equipment and its location for receiving, handling and transmitting the signal of cable radio or cable television to the distribution line network.2. Distribution line network: refers to the network or equipment between the head-end and subscriber terminal.3. Cable Radio and Television signal: refers to the signal of cable-layout transmission of video and audio or information signal for direct public reception.4. Processor system of Cable Radio and Television signal: including television signal processor, television modulator, television demodulator, signal combiner and other relevant equipment.5. Encryption: refers to the technology applied for special decoding program for watching or listening to programs.6. Address Encryption: refers to the technology based on the use of signal processing technology by the operator for encryption on video and audio of specific channel, subscribers should use the addressed signal given by the operator for the decoder to restore it into normal reception signal.7. Upstream: refers to the signal path from the subscriber to the head-end8. Downstream: refers to the signal path from the head-end to the subscriber.9. Hub: refers to the location where the cable radio and television signal received from the head-end is distributed to sub-distribution point.10. Primary distribution line: refers to the network from the head-end to the hub.11. Sub distribution line: refers to the network from the distribution center to the distribution point.12. Distribution point: refers to the transfer point of the cable radio and television signal from the sub distribution line split to the control line network.13. Allocation point: refers to the transfer point of the cable radio and television signal from the distribution point to the feeder line.14. Feeder line: refers to the network from the distribution line to a specific region.15. Subscriber tap: refers to the component which imports the cable radio and television signal from the feeder line split to the subscriber drop line.16. Subscriber drop line: refers to the optical fiber, coaxial cable and Type 5 lines between the distribution point or subscriber tap to the subscriber terminal point.17. Subscriber terminal point: refers to the point of interconnection between the subscriber terminal equipment and the cable radio and television network.18. Equipment of subscriber terminal: refers to television, cable radio receiver or other relevant equipments.19. Isolation degree of subscriber terminal: refers to the attenuation of bugging signal between two subscriber terminals, measured in units of decibels.20. Video carrier level: refers to the root mean square value of the video carrier of the analog signal after tuning at the parallel synchronous pulse, measured in units of decibel millivolt.21. Audio carrier level: refers to the root mean square of the audio carrier of specific analog television channel, measured in units of decibel millivolt.22. Frequency Modulation (FM) carrier level: refers to the root mean square value of the FM signal wave carrier, measured in units of decibel millivolt.23. Noise level: refers to the average random noise root mean square value of analog signal within frequency range of 4 MHz television signal and under the impedance of 75 ohm, measured in units of decibel millivolt.24. Carrier to noise ratio: refers to the ratio value between carrier level and noise level, measured in units of decibels.25. Subscriber drop line carrier to noise ratio: refers to the ratio of the carrier level and the noise intruding to the subscriber drop line, measured in units of decibels.26. Intermodulation interference: refers to the distortion signal of two or more carrier waves produced through inter-related beat.27. Composite beat level: refers to all intermodulation distortion power and equal level within the frequency range of 30 KHz, measured in units of decibel millivolt.28. Carrier to composite beat ratio: refers to the ratio value of carrier level and composite beat level, measured in units of decibels.29. Cross modulation: refers to the occurrence of the modulation signal of other channels in the system jamming the channel under-test.30. Cross modulation ratio: the ratio value of the peak carrier of the channel-under-test in hundred percent wave modulation of other channels in the system and the peak-to-peak signal of cross modulation occurring in that channel, measured in units of decibels.31. Carrier to beat ratio: refers to the ratio value of carrier level and singular beat or other singular noise signal level, measured in units of decibels.32. Hum: refers to the low frequency noise signal that penetrated the carrier33. Carrier to hum ratio: refers to the ratio of carrier level and peak-to-peak value of hum modulation, measured in units of decibels.34. Differential gain: refers to the gain difference of sub carrier tincture of analog signals when loaded on different luminance levels, measured in units of percentage or decibels.35. Differential phase: refers to the phase difference of sub carrier tincture of analog signals when loaded on different luminance levels, measured in units of degree.36. Television channels: refers to a channel transmitting television signal through a 6 MHz bandwidth. Normally differentiated through numbers, alphabetical letters, video carrier frequency or upper-lower frequency limit of bands.37. Assigned carrier frequency: refers to the carrier frequency of cable television approval of use by the central administrative authority.38. Adjacent television channel: refers to television channels with video carrier frequency with a 6 MHz interval.39. Digital television signal: refers to the television signal in digital form.40. Digital television channel: refers to the television channel broadcasting digital television signal, which broadcasts one or more program channel(s).41. Analog television channel: refers to the television channel broadcasting analog television signal, which broadcasts on program channel.42. Program channel refers to the channel undertaking program and commercial in television channel.43. Bit error rate: refers to the ratio of the digital signal’s error bits and total bits measured under a unit time.44. Fiber drop in point: refers to the position where fiber optical-electronic data transmission facility locates in the distribution line network.45. Signal Level: Indicate the root mean square of digital TV signal in each digital TV channel, whose unit is dBmV.46. Modulation error ratio: The average power ratio of ideal vector to error vector amplitude, whose unit is dB.47. High definition quality: Indicates the digital program resolution over 1280×720p.48. Standard quality: Indicates the digital program resolution over 720×480i, but not reach high definition quality.
中文原文 有線廣播電視系統工程技術管理辦法第2條
本辦法用詞定義如下:
一、頭端:指接收、處理、傳送有線廣播、電視信號,並將其播送至分配線網路之設備及其所在之場所。
二、分配線網路:指連接頭端至訂戶終端點間之網路及設備。
三、有線廣播電視信號:指以鋪設纜線方式傳播影像、聲音或資訊供公眾直接接收之信號。
四、有線廣播電視信號處理設備:包括電視變頻處理器、電視調變器、電視解調器、信號結合器及其他相關之設備。
五、鎖碼:指需經特殊解碼程序始得視、聽節目之技術。
六、定址鎖碼:指系統經營者利用信號處理技術,將特定頻道之影像及聲音予以鎖碼,訂戶須藉由系統經營者送來之定址信號,方能利用解碼器還原為正常收訊信號之技術。
七、上行:指由訂戶至頭端之信號路徑。
八、下行:指由頭端至訂戶之信號路徑。
九、分配中心:指將接收自頭端傳送來有線廣播電視信號傳送至分配點之場所。
十、主分配線:指頭端至分配中心之網路。
十一、次分配線:指分配中心至分配點之網路。
十二、分配點:指將有線廣播電視信號從次分配線分歧至支配線網路之轉接點。
十三、支配點:指將有線廣播電視信號由分配點播送至饋線之轉接點。
十四、饋線:自支配線分歧至某一區域之網路。
十五、訂戶分接器:指將有線廣播電視信號,從饋線分歧至訂戶引進線之元件。
十六、訂戶引進線:指訂戶分配點或分接器至訂戶終端點之光纖、同軸電纜及第五類線等線路。
十七、訂戶終端點:指訂戶終端設備與有線廣播電視網路之介接點。
十八、訂戶終端設備:指電視機、有線廣播接收機或其他相關之設備。
十九、訂戶終端隔離度:指兩個訂戶終端點間相互干擾信號之衰減量,其單位為dB。
二十、影像載波位準:指類比信號之影像載波被影像信號調變後,在水平同步脈波處之均方根值,其單位為dBmV。
二十一、聲音載波位準:指某一類比電視頻道聲音載波之均方根值,其單位為dBmV。
二十二、調頻載波位準:指調頻信號載波之均方根值,其單位為dBmV。
二十三、雜訊位準:指類比信號在4MHz電視信號頻寬內,阻抗為75Ω情況下,所量得之隨機雜訊均方根值,其單位為dBmV。
二十四、載波雜訊比:指載波位準與雜訊位準之比值,其單位為dB。
二十五、訂戶引進線載波入侵雜訊比:指載波位準與外界入侵訂戶引進線訊號之比值,其單位為dB。
二十六、互調干擾:兩個或兩個以上之載波,相互拍差所造成之干擾信號。
二十七、合成拍差位準:指30kHz頻寬內,所有互調干擾功率和之等效位準,其單位為dBmV。
二十八、載波合成拍差比:指載波位準與合成拍差位準之比值,其單位為dB。
二十九、串調變:指系統內其他頻道之調變信號干擾到待測頻道之現象。
三十、串調變比:待測頻道在系統其他頻道百分之百方波調變下載波峰值與出現在該頻道之串調變信號峰對峰值之比值,其單位為dB。
三十一、載波拍差比:指載波位準與單一拍差或其他單一干擾信號位準之比值,其單位為dB。
三十二、交流聲:指滲入載波之低頻干擾信號。
三十三、載波交流聲調變比:指載波位準與交流聲調變峰對峰值之比值,其單位為dB。
三十四、差動增益:類比信號之色澤副載波分別承載於不同輝度位準時所呈現之增益差,其單位為百分率或dB。
三十五、差動相位:類比信號之色澤副載波分別承載於不同輝度位準時所呈現之相位差,其單位為角度。
三十六、電視頻道:指以一個6MHz寬之頻段傳送電視信號之頻道。
通常以數字、英文字母、影像載波頻率或頻段之上下限頻率來區分電視頻道。
三十七、指配載波頻率:指經中央主管機關同意使用之有線電視載波頻率。
三十八、相鄰電視頻道:指影像載波頻率相鄰6MHz之電視頻道。
三十九、數位電視信號:指以數位形式組成之電視信號。
四十、數位電視頻道:指播出數位電視信號之電視頻道,播放一個或一個以上之節目頻道。
四十一、類比電視頻道:指播出類比電視信號之電視頻道,播放一個節目頻道。
四十二、節目頻道:指在電視頻道內,所承載節目及廣告之頻道。
四十三、誤碼率:指在單位時間內量測數位信號,其誤碼數與總碼數之比值。
四十四、光纖投落點:指分配線網路上設置光電轉換設備之位置。
四十五、信號位準:指數位電視信號,在每個數位電視頻道內之均方根值功率,其單位為dBmV。
四十六、調變錯誤比:理想向量符號幅度的平均功率與誤差向量符號幅度的平均功率之比值,其單位為dB。
四十七、高畫質:指數位節目之解析度為1280×720p以上者。
四十八、標準畫質:指數位節目之解析度為720×480i以上,未達高畫質標準者。

English translation for reference only; the Chinese text prevails. Not legal advice.