TW201858B - - Google Patents

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TW201858B
TW201858B TW081107708A TW81107708A TW201858B TW 201858 B TW201858 B TW 201858B TW 081107708 A TW081107708 A TW 081107708A TW 81107708 A TW81107708 A TW 81107708A TW 201858 B TW201858 B TW 201858B
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energy
frequency band
information
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patent application
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TW081107708A
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Arbitron Co
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H04H20/31Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H04H60/372Programme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H04H60/375Commercial
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/38Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
    • H04H60/40Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/38Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
    • H04H60/41Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
    • H04H60/43Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/38Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
    • H04H60/41Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
    • H04H60/44Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/45Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying users
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/56Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
    • H04H60/58Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12Arrangements for observation, testing or troubleshooting
    • H04H20/14Arrangements for observation, testing or troubleshooting for monitoring programmes

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^01858 A6 B6 經濟部中央標準局S工消費合作社印製 五、發明説明() 本發明傜有關自動辨識包含有轚訊之節目的方法和裝 置,可由本發明自動辨識的有無線電廣播節目或電視節目 ,尤其是記錄在如撖槽碟片、磁帶、供雷射唱盤播放之雷 射唱片、或是影碟等媒介上之節目等等β 這種自動辨識節目的技ίΙ|河應用在評量無線電台的聽 眾或電視頻道的觀眾#監視安插在電視或無線電廣播内的 廣告節目、、或確實記錄應付予大眾傳播作品的作者或表演 者的販税》 過去已有人提議在欲辨識之節目的轚訊中加入一種聽 不見的密碼訊息此密碼訊息包含了諸如廣播頻道或電台 之標識、節目之標識、以及可能有的正確傳送日期等資訊 。_另有一部専用的解碼器與電視或收音機聯结,負贲將加 於聲訊内之密碼訊息抽抽,並將其記錄於一記億體内》。 過去已有人提議在欲辨識之節目的轚訊中加入一種聽 不見的密碼訊息_此密碼訊息包含了諸如廣播頻道或電台 之榡識、節目之標識、以及可能有的正確傳送日期等資訊 * * 。另有一部專用的解碼器舆電視或收音機聯結_負贲將加 f 於轚訊内之密碼訊息抽出^並將其記錄於一記億體内·絲絲腿?統m _ H崴置邀ϋ嚴斑宏《絚Jim嚴媽器β 機内的揚《器的特性—般而言它們無法讓頻率低於 — ,...·**, - - ...... 100 訊號通過1酋密碼訊息以可聞頻率放出但位準 ....— 比聲音佶號_的位準小很多時¥也很難用徹音器來拾取這些 訊息,尤其因為揚聲器的指向性曾随頻率增加而增加,如 ^ _ _ 一 _ ^^.11—— 另一種被提出的技術4包含使用一類調制來廣播聲信號 並用另一類調制來廣播密碼訊息#。這種方法冏樣需要在接 (請先閲讀背面之注意事項再填寫本頁) 裝- 訂. 本紙張尺度適用中國國家標準(CNS)甲4规格(21 0 X 297公兑) -3- 81.9.25,000 01858 A6 B6 五、發明説明() 收機内安裝特別的解碼器才能重現密碼訊息,。 本發明的目標之一是要提供方法和裝置,藉由一種完 金獨立於接;[1節„层所使用的接收機之外的解碼器,來自動 職怠 u„ΕΛΜΜΜΜΜΜ^ 本發明的另一目擦是要提供使無線電和電視廣播的聽 (觀)眾可以被評量的這類方法和裝置。 ' MSHkt »* ,Ά I杰I盟i又二&掇暹暴氣&乳鼠亂麗i凰起息庄蔬· 姐徹捏座J1V.廉Sh斑麗嚴鳴1MJL麻®i6MS其·-惠落甚 f農氍上应減迫康基底麗·翌1方· 置。 為此,*本發明一方面乃提供藉由包含不可聞的密碼訊 息在聲倍號内來自動辨織包含》倍號的節目的方法#此訊 息含有對應於廣播頻道或電台樣識、對應於節目樣識、及 /或對應於廣播精確日期的資料,此方法由下列步驟組 Φ 成:在轚倍號内挑選至少一個可間b狹窄頻帶,在該選定 秦•..,,咖_嫌_*#*'摘·_•騰撕托期麵麵_^細_'綱蒙娜㈣議嫌漁細廟觀㈣丨·湖獅外廉· 雜II _酿晒|_1.丨||1丨_1 的頻帶内以預先決定和重覆使用的特擻方式改變聲倍號的 能量.以及播送包含此等改變的轚倍號或把它記錄 (請先閲讀背面之注意事項再填寫本頁) -f 裝. 訂. 經濟部中央標準局8H消費合作社印製 體上。 iwaawMw^wWb 較佳的情況是k對在該頻帶内聲倍號能量所施的改變 是脈波形式或準脈波形式_ 和習知技廷相比,I本方法有好幾個優點:· 對在可間狹窄頻帶内轚倍號能量所施的改變能毫無困 難地由接收機錤生播放出來而仍然保持完全聽不見的狀況 k不論揚轚器的品質如何皆然;· 辨識節目的訊息脾由依照預定密碼重覆這些改變而建 立起來t此訊息可包括相當大置的資料♦諸如廣播頻道或 電台的檫識、節目本身的標識#和傳送的精確日期參 本紙張尺度適用中國國家標準(CNS)甲4规格(210 X 297公贷) 81.9.25,000 01858 A6 B6 五、發明説明() 包含密碼訊息的g佐址並ϋ加不會發生可聽出的降 级狀況i -r* 聲倍號的一般頻譜並不會因加入密碼訊息而看得出有 改變i # 聲倍號的總能量看不出有改變j 不論使用什麽類型的調變來傳送轚佶號>本發明的方 法均可應用、 密碼檫議訊息可利用位於揚轚器收聽區樓,B KlJUi瑟 由接收機(或錄音播放裝置)的揚謦器所再生的聲倍號中 偵測出來_而不需要在1賻器和接收機或播放裝置間提供 任達艮; 解碼器可以是可攜帶型;以及 Φ 最後,它可永久裝設在接收機或播放裝置之揚聲器的 # 收聽區域内,_或它也可讓人随身攜帶_ 根據本發明的另一構想#此方法包括把該頻帶内之聲 倍號的能量和一臨界做比較_和只在該能量比此臨界大時 改變該能量# 在此方法中,萏無磬時*不把密碼訊息加到節目的聲 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局貝工消費合作社印繁 倍號内4在該無《期間如不這樣做.密碼訊息將會可聽見 9 .… 用來改變在該窄頻帶内之》倍號的諸脈波之期間最好 舉例而言#這些脈波的重覆率可在5赫玆到20赫玆的 範圍内。 Φ 衣紙張又茂適用中國國家標準(CNS)甲4規格(2]0 X 297公货) 一 5 — 81.9.25,000 ^01858 A6 B6 五、發明説明() 包含密碼訊息的狹窄頻帶最好在大.約100赫Η到大約 700鎗玆之間η且頻寬可以是數十赫Η % 該顗播内之謦倍嫌的能量可用兩種方式加以改變,一 t 種是把該能量降到實質為零的%,或相反地,把該能量增 加到一預定值§ 依據本發明的另一構想,本方法也包含挑選至少轚倍 4 號的兩個狹窄頻道4和在該兩健頻帶内同時以預定和重覆 # 的方式改變轚倍號的能量而把標識訊息加以编碼。〃 密碼資料的比例因而可藉由同時在磬倍號的多個窄頻 帶上加入訊息的不间部分而予以提高, 因此也能藉由減低一頻帶内聲倍號的能置同時在另一 頻帶增加該能置來補償造兩個頻率之間轚倍號能量的改變 ,而改菩密碼訊息的不可騁聞性質# 音 依據本發明另一構想,本方法包括由濾波以類比方式 個頻率成分,以預定的方式改變在前述(諸)頻帶内的諸頻 率成分的能量,然後重建聲倍號i把它廣播出去或記錄到 (請先閲讀背面之注意事項再填寫本頁) |裝_ 訂. M& 參 經 濟 部 中 央 標 準 局 X 消 費 合 作 社 印 依據本發明的再一構想看,本方法包括在磬佶號從揚 謦器再生播放出來時拾取包含密碼識別訊息的謦倍號,偵 φ 測對在至少一個前述諸頻帶内之倍號能置所做的改變,由 夢 此推導出密碼識別訊息,並把造訊息儲存在記偌體内' # 當聲倍號從揚聲器放出時,一或多値頻率成分可藉濾 波以類比方式、或由傅利葉轉換或成分波轉換以數位方式 本纸張又度適用中國國家標準(CNS)甲4规格(210 X 297公犛) _6_ 81.9.25,000 A6 B6 $'铎明説明() ,而從«倍號中抽取到>然後先前提到的組成密碼訊息的 該等改變將在對應於前述諸狭窄頓箝的頻,成分内偵测到
根據一個更深入的構想,本發明亦提供一種可自動辨 識含有傳送不可聞密碼訊息的®倍號的節目的裝置;該密 碼訊息包含有對應於廣播頻道或霣台的榡雄、_對窿於節目 標識、及/或對應於廣播的精確日期的資料_該装置包含 用以使在至少一個預先決定的狹窄可聞頻道中的聲倍號能 1¾一種預定且重覆的方式被改變的裝置>以該方式産生 的諸項改變的集合形成該密碼訊息。< 此装置更進一步包含供把頻道、廣播電台、節目及/ • * 或曰期榡識資料轉換成至少一序列的脈波或準脈波倍號的 裝置,而其中該(等)倍號定義了欲對在該或毎一個前述頻 * 帶内之聲信號的能量所施的諸項改變。# 較佳的方式是該装置包含用以比較該頻帶内之轚倍號 能霣和一臨界的裝置>以及用以在該能量低於該臨界時避 免該能量改變的裝置v 在第一種實施例中.此!置爲,m垣農思』ISiL至 數位&&装寞.該轉換裝置連接到用斟援念.,¾.¾位化倍號 ,1意&嚴理is ,吡复鉱廒埋„ satE££,smi«忿、依.EE 麗显蜜.m息 來改變該頻帶内之轚倍號的能量、並且從拜m懇濂成 '.·* "is.:''i' - · -' · '"'·ί ··· , . . \ ,. ,. l,1'' 分重建該倍號,另有數ϋ,.感mmn 理裝置的輸出端。 .,. i Γί'Κι^ί»*»5·'^ .-irtifiK·!' .-mu-··-^.^βΙΙΡ .㈣痛㈣. -裝-----'tr------Μ (請先閲讀背面之注意事項再填寫本頁) 經濟部中央橒準局*f工消费合作社印製 本紙張尺度適用中國11家標準(CNS)甲4规格(210 X 297公釐) 一1 一 81.9.25,000 L018d8 A6 B6 五、發明説明( 在另一種實施例中,、本自動辨雜裝置包含一組並聯連 接並從它們的输入端接受謦倍號的頻率濾波器、該组濾波 器包含至少一鏞用來從謦信號中提取前述狹窄頻懵並且將 它施加到一控制開關之一鞠入端的帶通濾波器,該控制開 鬭的另一翰入端接到一個密碼産生裝置的输出端,/該組濾 波器也包含低通和高通濾波器#用來傳送頻率不在上述頻 帶中的聲倍號的頻率#和一合成霣路.該合成霣路的输入 端分別連接控制開關、低通和高通濾波器的輪出端以重組 % 該磬倍號。/ 依據另一携想>#本發明亦提供至少一個用來把包括在 聲倍號中的訊息解碼的裝置#該裝置是打箄要放在再生該 謦倍號的一個揚《器之範圍内✓該裝置包含一用以接取揚 轚器播放出來的倍號之一撤音器/處理該倍號以偵測上述 窄頻帶中對倍號能置所施之變化並由此推演出包括在倍號 中的訊息的装置、#和把該訊息儲存在記偌體内的裝置_ 在第一種實施例中,該解碼裝置包含一類比至數位轉 # ' 換器^該轉換器將撤音器的輸出端接至資料處理裝置的輸 (請先閲讀背面之注意事項再填窝本頁) 丁 it 經濟部中央標準局MX工消费合作社印製 入端.孩資料處理裝置包括至少一個能使已在撤音器輸出 端被數位化的倍號被分開成多個頻率成分>能使在該倍號 的諸頻率成分中之能量的改變在前述頻帶中被偵%、能使 密碼訊息由此被推襖出來密碼4並能使它被記錄在記憶體 中的檝處理器。讀 在另一種實施例中,該解碼裝置包含至少一個帶通濾 # 波器,其接受橄音器输出倍號以從中提取傳送密碼訊息的 攀 表紙張&度適用中國國家標準(CNS)甲4規格(210 X 297公釐) 一8一 81.9.25,000 A6 B6 ^01858 五、發明説明() 頻帶,並把它接到類比霣路以偵拥對該頻帶中之轚倍號所 作蠻化。,/ 該解礪装置可輕易製迪為可攜式並且可以包括一俪運 動偵测器 依據本發明更加深入的一構想>提供一值測量散佈寬 廣的可藺資訊的聽眾的方法,其中散佈宽竇的可閭費訊包 括指示該資訊之來源的不可聞辨識碼.#並且該不可《辨識 碼藉由修改在ii[佈«廣可聞資訊之至少一值頻帶内的該散 佈寬廣可聞資訊的一部分可聞倍號的能量位準而被包含在 該至少一個頻帶内β該方法包含下列步驟:在聽眾中挑選 一群人;為該群人中之每個人提供個自的能夠帶在每人身 上的傾人監测裝置.該個人監拥裝置包括把包括有所接收 到之散佈寬廣可聞資訊的轚音轉換成處理倍號的裝置、藉 偵測在該至少一頻帶内對處理倍號能Μ位準所施的修正而 從處理倍號中提取該不可聞辨識碼的裝置$和將從被提取 出來之密碼得到而指出該散佈寬廣可間資訊之來源的資訊 儲存起來的裝置》;藉著從由包括被該群人的每一人所帶之 該個別監测裝置所收到之該散佈寬廣可間資訊在内的聲音 轉換成之處理倍號中提取出不可間辨識密碼並把從被提取 之密碼中得來的資訊儲存起來,而利用該群人中之每一人 所帶之各個锢別監測裝置收集關於在一預定時間周期内提 供予每一人之散佈寬廣可間資訊的所有資訊;並依據所收 集資訊産生針對至少一個散佈寬廣可間資訊的來源之聽眾 的估量。/ (210 X 297 公發) -----------------^-----裝------^------Μ (請先閲讀背面之注意事項再填寫本頁) 經 濟 部 中 央 標 準 局 员 工 消 费 合 作 社 印 製 81.9.25,000 本纸張尺度適用中國國家標準(CNS)甲4规格 A6 B6 ^01853 五、發明説明() 依據本發明更深入的一構想,乃提供一種監測装置, 當此裝置為匍別聽眾成員攤帶時,可以收集供估置散佈宽 廣可《資訊的聽眾的資料,該散佈宽廣可閬賫訊包括指示 其來源的不可聞辨雜碼並且藉著修正在該散佈宽竇可閬資 訊的至少一個頻帶内的散佈宽廣可閬資訊的一値可闉倍號 '之一部分的能量位準而被包括在該至少一傾頻帶内#本監 測裝置包含/一倕外殼V附接該外殼至锢別聽眾成員的一 人的裝置;把包括被其所接收到的散佈宽廣可藺賫訊的聲 音轉換成處理倍號的轉換裝置>藉著偵測出該至少一個頻 帶内對該處理倍號的能量位準已施的修正而從處理信號中 提取出不可聞辨斑碼的密碼提取裝置^和用以儲存從被提 取出來的密碼得到而指示該散佈宽廣可間資訊之來源的資 訊的儲存裝置I該轉換裝置、該密碼提取裝置和該儲存裝 置均安裝在該外殼内。 / 閲讀以下用舉例方式提供的描述並參考附圖,便可以 更佳地瞭解本發明v而本發明的其它方面、細節、和優點 也將更清楚地顯現出來丨其中: 第1圖是用以把如由無線電台或電視頻道播放出來、 或如被記錄在媒體上的》倍號加以编碼的本發明之裝置的 方塊圖; 第2圖是圖解顯7F倍號在一狹窄頻帶内被编碼的一部 分方法的圖表; 第3圖是顯示根據本發明的解碼裝置的方塊圖; 第4圖是顯示該解碼裝置的變化實施例的方塊圖;以 紙張尺度適用中园固家標準(CNS)甲4规格(2]0 X 297公釐) (請先閲讀背面之注意事項再填寫本頁). --裝. 訂· 經濟部中央標準局3工消費合作社印製 81.9.25,000 — 10 — ^01858 A6 B6 五、發明説明() (請先閲讀背面之注意事項再填寫本頁) 及 第5圔是用以把節目轚倍號编碼之裝置的變化寅施例 的方塊圆。 一 首先參考第1匾,該Η是用以把節目的轚倍號编碼的 装置之第一種實施例的方塊躍,該節目是由廣播霣台或轚 視頻道所傳送出來、或記錄在諸如徵槽碟片、磁帶、或由 雷射唱盤讀取的笛射唱片、或影碟等媒體上。 本發明的該裝置是設計來加一段不可可藺密碼辨識訊 息到要被廣播或記錄到媒體上的節目之轚倍號内。 為此,該裝置包含要被编碼的轚倍號的輪入端10.該 输入端連接到一類比至數位轉換器12的输入端,該轉換器 的輸出端接到包括有至少一値榭處理器、工作記億體、和 儲存資料的記億體的資料處理裝置14之一输入端。 烴濟部中失標準局貝工消费合作社印製 該資料處理裝置14是設計來執行把由轉換器12所提供 的已數位化倍號分開成多個頻率成分的一種運作16.而該 '分開運作傳統上是由傅利葉轉換或是成分波轉換執行,藉 以在頻率一時間的空間内分開該信號。造種成分波轉換現 已為精通此技的人熟知,假如需要的話,可參考1987年9 月刊登在” Pour la Science”雜誌28至37頁的文章。 藉由執行記錄在該資料處理裝置14内的一個程式,已 數位化之倍號被分成成分波或傅利葉级數並用來將轚倍號 内之一或多個狹窄頻帶编碼以將密碼化的辨識訊息包括進 去。選來進行编碼的頻率是可間頻率,高於100赫茲而位 於電視或無線電廣播接收機或重放記錄的裝置的揚聲器的 81.9.25,000 -11- 本纸張又度適用中國囿家標準(CNS)甲4規格(210 X 297么'贷) L01858 A6 B6 經濟部中央標準局w工消費合作社印製 五、發明説明() 通帶内。該等頻率亦小於1000鵷Η以避開與揚聲器導向性 和在空氣中傳播的轚倍號能蛋的衰減有期的問題,這兩鏟 問題都會隨頻率增加而加劇。 選用來為轚倍號编碼的頻率最好是在約100赫茲到約 700赫茲之間。實際上該辨雄訊息不是在單一頬率上编碼 ,而是在一個數十赫Η (例如50赫Η )帶Μ的相當狹窄頻 帶上,或在數匍這類狹窄頻帶上被编碼^ 由該資料襄理装置14執行的下一值運作18包含根據事 先儲存在其記僚體内的資料來挑選該倍號内對應到一或多 個這類狹窄頻帶的頻率成分。 下一個浬作20包含把挑選到的頻率成分内的能量加以 编碼。該编碼動作是成脈波或準脈波類型,且基本上包括 把所考慮的各狹窄頻帶内的轚倍號的能置降到實質為零或 把該能置增加到一預定值.而此改變能量動作進行的短時 間最好要少於大約100毫秒以使包括在轚倍號中时密碼訊 息是不可聞的。 該資料處理裝置14包括密碼産生裝置22來把組成該辨 識訊息的資料轉換成脈波序列,該資料可從例如無線電廣 播電台或電視頻道的名稱、節目的名稱、和廣播或記錄的 精確日期,來建立。該資料可由裝置22轉換成一序列以對 應方式調變在一頻帶内之磬倍號的能量的位元或脈波.或 者該資料也可被轉換成數個調變同時在數個頻帶内的®倍 號能置以提高密碼率的位元或脈波序列。 這方式亦可能提高加到轚倍號中的密碼訊息的不可間 (請先閲讀背面之注意事項再填寫本筲) |裝· 訂
A 本紙張又度適用中國國家標準(CNS)甲4規格(2〗0 X 297公货) -12 — 81.9.25,000 A6 B6
LOIBoS 五、發明説明() 性,例如同時藉由在降低一頻帶的轚倍號能量時同時增加 另一頻帶的能量來為訊息编碼便可。 為了避免在無聲期間把密碼訊息加到》信號上.一頻 帶内之轚倍號的能置最好不要编碼,除非它的能量高於一 傾最小值。逭只能藉由讓記錄在該資料處理裝置14的記偌 鳢内之程式來把所考慮頻帶上之》倍號的能量和一睡界比 較,只要該能量大於該醢界就對它執行编碼,並且當能量 低於該臨界時就停止编碼。 該資料處理裝置14執行的下一倕運作24包含從未被编 碼的翰入倍號的頻率成分和已被编碼的成分重組成數位形 式的轚倍號。因此可由該資料處理裝置14的输出端播得對 應於該輸入倍號但己包括密碼化辨識訊息的一値數位信號 0 該倍號接到數位至類比轉換器26的輸入端、該轉換器 26的輸出接到一個連至傳统廣播或記錄裝置的成音輸出器 28〇 第2圖為圖示如何在狹窄可聞頻帶内把磬倍號能量编 碼之一例的一張圖表。曲線A顯示該聲倍號能量如何随時 間函數變化,而缺口 B和C顯示讓該能置減至實質為0的 兩個密碼脈波。在本例中,第一個脈波B 10^秒 ,第二個脈波C為該期間的兩倍長,就,並且 它的開始時間是在第一個脈波Β的開始時間之後大約50毫 秒至大約100毫秒之間。 任何類型&密碼均可用於把該辨識訊息的資料鞞換成 -------------------^------裝------Ι.ΤΓ------^ , (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局8工消費合作社印製 本紙張尺度適用中國固家標準(CNS)甲4规格(2]0 X 297公兑) 13.- 81.9.25,000 A6 B6 ^01858 五、發明説明() (請先閲讀背面之注意事項再填寫本頁) 脈波序列,並且,例如,這類密碼可藉由固定或變異期間 的脈波、脈波的重覆率、脈波群等等來加以特性化。 一般而言,該辨識密碼可以编碼在數目在大約50至大 約100範圍内的位元内,因而其中可含足夠的冗餘部分來 滅低编碼錯誤的危險,而該密碼辨織訊息的期間在大約3 秒至約20秒之範圍内,且它的位元的重覆率在大約5赫玆 到20赫茲之間。 在此等情況下,包括在》倍號中的該密碼辨識訊息, 當該倍號由高品質揚磬器複製播出時,便聽不見。 第3圖是本發明的解碼裝置的方塊圖.該裝置偽播在 用來接收節目或重放節目記錄的裝置32的揚轚器30之收聽 範圍内。 經濟部中央標準局8工消費合作社印繁 該解碼裝置包含收取由揚轚器30複製的聲倍號的一値 撖音器34,其經由放大器裝置36接到帶通濾波器38.該濾 波器的通帶包含傳送辨識節目的密碼化訊息的狹窄頻帶。 該濾波器38的輸出藉由一個_類比至數位轉換器40接到一個 包含至少一榭處理器和工作記億體和儲存資料的記億體的 資料處理裝置42的輸入。這些資料處理裝置42開始於運作 44處把該轉換器40提供的數位倍號的頻率分開,然後在46 處挑選包括密碼化的辨識訊息的頻率成分,並旦然後在48 處偵測對應於該辨識密碼之密碼位元的該等頻率成分内的 佶號能董所生的改變。接下來的運作50包括重組該密碼化 訊息,之後並把它儲存於記億體52内。 該解碼裝置可随意而定地亦包括一個運動偵測器54, 81.9.25,000 本紙張尺度適用中國国家標準(CNS)甲4規格(210 X 297公蹵) -14- A6 B6 C01858 五、發明説明() (請先閲讀背面之注意事項再填寫本頁) 例如一個加速計,其输出倍號以任何合適的方式加到尚未 存人記培匾的被重组之密碼訊息内,來指示是杏該解碼装 置正被人移動。 亦可能在除了運動偵测器之外,另使用一德溫度偵@ 器55.因為如果蘇嚴遇裝置舞4JL著.它的溫度」f竺巧免 地增sn。當該解碼裝置益人戴著藤,它是被容裝於一健適 當的外殼内,此外殼像如第3圖之單黏鏈線57所概示,其 ... 、—- 包括合適的装置來將包容於其内的解碼装置附著於人或該 人的衣服i;。有利地,該外殼是如呼叫器那種大小或更小 ,以讓它能舒適且方便地被人戴箸。 造類運動和/或溫度偵測器的優點是.舉例而言,它 .... — 一..... ----—*^· ' 使讓戴著該解碼装置的人的身份和那人從無線電或霣視或 播放記錄之裝置上所收聽的節目的自動辨識相聯结,成為 可能。 經濟部中央標準局員工消費合作社印製 因此,本發明的解碼裝置使某長度時間内連鑛收取的 該節目辨識訊息存入它的記培體,成為可能。該記培體的 内容可於固定間隔時間由合適裝置傳導至一個中央處理單 元,來把該等辨避訊f、解ϋ,並從中推導出節目^聽眾的許 S結果,或者列出由位在某_定搏點的解碼装置收取&^節 目。由iMUi單元收,竺苎料也可用來監測廣fjs目 的播放狀況。 ·- ___________________ 第4圖顯示該解碼裝置的另一種實施例,在此實施例 中由撖音器34所收取的磬倍號以類比裝置取代數位裝置來 處理。 本紙張尺度適用中國國家標準(CNS)甲4規格(210 X 297公贷) -15— 81.9.25,000 ν ΓϋΓίΐΙΟ Ah A6 B6 L01858 五、發明説明() (請先閲讀背面之注意事項再塡窝本頁) 為此,該徼音器34的翰出經由該放大器裝置36接至一 組平行連接的濾波器56,它們的输出接至用以偵測在上述 狹窄頻帶中形成的密碼脈波之一個或一組電路58的输入端 。以傳統作法.把一値同步時鐘60和電路58或該組電路58 中之毎一鴒聯結。 或毎一锢,霣路58的輸出接至用以重建密碼化訊 息的裝置62,然後該訊息被存人記僚體内。 每一梅濾波器56是一镅開鼷霄容濾波器,該濾波器能 使一頻帶可從由撖音器34收取的《倍號中被提取出來對應 於编碼裝置所S定的一値頻帶。該等濾波器56中的毎一摑 的通帶可能曾例如因為酋播轚器播放的《倍號的失真或渚 波分散而大於用來為該辨識訊息编碼之頻帶的通帶。此處 也可能提供具有大致鄰接通帶的多個雒波器56。 组成被附人之訊息的位元,傜藉著偵測探究中之頻帶 或聲倍號内之能量變化的上升錁和下降鐮,並監測造類改 變的時間長度,而在該(等)電路58中偵測出來。 第5圖為該编碼裝置的另一種實施例的方塊圖.在造 «施例中該裝置為類比型式。 經濟部中央標準局β工消費合作社印繁 要被處理的轚倍號所需的成音輸入10經由放大器裝置 64接到平行連接的一組頻率濾波器,該組濾波器包含一或 多個帶通濾波器.他們的通帶對應於要被编碼的該狹窄頻 帶;另有用以傳送聲倍號中無關該编碼的頻率成分的各組 高通、低通和可能有的帶通濾波器68。 各個帶通濾波器66的輸出接到控制開關70的輸入,該 81.9.25,000 本紙張尺度適用中國固家標準(CNS)甲4規格(210 X 297公贷) -16- 螋濟部中央榡準局玲工消費合作社印¾ LOlBiSB A6 __B6 五、發明説明() 開關執行「及」閛的功能並且具有接收與一個問步時鐘74 聯結的密碼産生裝置72所提供之控制倍號的另一输上端, m 該密碼産生裝S把由甩1辨趨廣的名X16、用 以辨識節目的裝置78®.^ ¾日期的時鐘80傳來的資敦義L换 成位元序列。 該等開H70的输出和其它濾波器68的轎出一樣都接到 一傾合成霣路82的输入。該合成®路82的输出倍號是該重 組成的最初轚倍號但現已加入密碼化節目辨識訊息。 一般而言,該密碼化辨識倍號可以不連鑛地加到節目 轚倍號中,或者也可以讓密碼化訊息不停地重覆而連鑛地 加進節目轚佶號中。 因此本發明使將辨識訊息编碼到節目的轚倍號内的想 法成為可能,當轚倍號從播轚器複裂播放出來時,縱使揚 轚器的品霣非常好該訊息仍是聽不見的,而該密碼化訊息 的頻率和位準特徴使得就算是品質非常差的揚轚器亦可複 製播出該訊息,因此谦該訊息能在非常差的再生播放情況 下也可被收取並自《倍號中提取出來。 由該编碼裝置施予聲倍號的處理動作.會造成轚倍號 傳送上的延該延理也許是大約0.1秒到大約1秒。對 一個視瞠節目而言.谙必須在轚信號被编碼後,讓影像和 聲音再同步化。這類再同步化工作,對精通此技的人而言 是普遍己知的。 (請先閲讀背面之注意事項再填寫本頁) .裝· 訂. --缒 t纸張尺度適用中國國家標準(CNS)甲4規格(2]0 X 297么'犛) 一17- 81.9.25,000

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  1. L01858 Β7 C7 D7 i'申請專利範園 (請先閲讀背面之注意事項再填寫本頁) 一種把一段不可聞密碼訊息含括在構成一個節目之至 少一部分的一段轚信號内的方法,該訊息含有指示提 供該節目的至少一匐廣播頻道或霉台、該節目的標識 和該節目的廣播日期的資料;該方法包含以下步驟: 在聲倍號中挑δ至少一可聞頻帶.在該至少一倨不可 颶頻帶中以預定和重複的特擻方式改變該轚倍號的能 量來形成密碼化轚倍號,以及進行廣播包括該密碼化 聲信號的節目與將該密碼化轚倍號紀錄到一記錄媒鱧 上這二步驟當中的至少一傾步驟。 依據申諳專利範圍第1項所述的方法.其中對該頻帶 内轚倍號能量所施的變化是脈波或準脈波型式。 依據申誚專利範圍第1項所述的方法,更進一步包含 比較該頻帶内轚倍號能量和一個臨界的步驟,且其中 該改變轚倍號能量的步驟偽包含只有當該聲倍號能量 大於該臨界時才改變該能量的步驟。 I.依據申請專利範圍第2項所述的方法,其中該等能量 改變脈波的期間小於大約100毫秒。 經濟部中央標準局8工消费合作社印製 〆依據申諳專利範圍第4項所述的方法,其中該等能量 改變脈波的期間為大約5毫秒至大約10¾秒。 #依據申謓專利範圍第2項所述的方法.其中該等脈波 的重覆率為大約5赫Η至大約20赫Η。 认依據申誚專利範圍第1項所述的方法.其中該可間頻 道的頻寬為數十赫Η.且位於大約100赫Η至大約700 赫玆之間。 81.9.10,000 本紙張尺度適用中國國家標準(CNS)甲4规格(210 X 297公贷) ~ 18 — 經濟部中央標準局8工消费合作社印製 A7 B7 L01858 C7 _______D7_ 六' 申請專利範園 1依據申請專利範圍第1項所述的方法,其中在該至少 一値可聞頻帶内的轚倍號能量的改變包含把該能量減 低至實質為零的值。 9.依據申誚專利範圍第1項所述的方法,其中在該至少 一個可聞頻帶内轚倍號的改變包含增加該能量至一個 預定值。 ip.依據申請專利範圍第1項所述的方法,其中該選定至 少一匍可間頻帶的步驟包含S定該轚倍號的至少兩倕 頻帶,且該改變聲倍號能量的步驟包含以一種預定且 重複的方式同時改變在該等至少兩個頻帶内之該轚倍 號的能量。 1J.依據申誚專利範困第1項所述的方法,其中該S定至 少一個可間頻帶的步驟包含藉由類比濾波器、數位傅 利葉轉換和數位成分波轉換之中的一種方式來把該轚 倍號分成多個頻率成分的步驟;而該改變該聲倍號能 置的步思包含以預定方式改變該等頻率成分的能量, 並重建該轚倍號以形成密碼化轚倍號。 y.—種將编碼在構成一節目之至少一部分的一段轚倍號 中的一個辨識訊息重現的方法.該辨識訊息俗藉由改 變在該磬倍號之至少一個可聞頻帶内的《倍號能量而 被编碼,該《倍號偽由揚磬器複製播出;該方法包含 以下步驟:收取由揚轚器複製的轚音.偵測在該至少 一個頻帶内對聲倍號能量所施的變化,從偵測到的變 化中取出辨識訊息.以及把該辨識訊息存入一記憶體 本紙張尺度適用中國國家橒準(CNS)甲4规格(210 X 297公釐) 81.9.10,000 (請先閲讀背面之注意事項再填寫本頁) —裝. 訂. 經濟部中央標準局S工消費合作社印製 L01858 Z C7 ___D7_ 六、申請專利範团 内。 1¾.依據申請專利範圍第12項所述的方法,其中偵测該等 / 能量變化的該步驟包含藉由類比濾波、數位傅利&鞞 換和數位成分波轉換之其中一種方式來提取該磬倍號 的至少一個頻率成分,並決定該等能置變化是否存在 於該至少一個頻率成分内。 14ί 一種用以把一段不可聞之密碼化訊息含括於構成一節 目之至少一部分的一段聲倍號内的裝置,該訊息包含 指示提供該節目的廣播頻道或電台、該節目的標識和 該節目的廣播日期等等當中的一種之資料;該裝置包 含供在該轚倍號中挑選至少一痼可聞頻帶的裝置,以 及供在該至少一個可聞頻帶中以預定和重覆的特徼方 式改變該轚信號能霣以形成一個密碼化轚倍號的能置 改變裝置。 15*.依據申請專利範圍第14項所述的裝置,更進一步包含 用以把至少頻道、電台、節目和日期標識等當中的一 個轉換成至少一串脈波或準脈波倍號序列的密碼産生 裝置,且該能置改變裝置偽運作來堪應於該等脈波或 準脈波信號來改變在該至少一値可間頻帶中之聲倍號 能量。 侬據申請専利範圍第14項所述的裝置,更進一步包含 用以把該至少一個可間頻帶内之該倍號能量和一臨界 做比較的装置.及用以在該倍號能貴低於該臨界時避 免該倍號能置被改變的裝置。 >7.依據申請專利範圍第14項所述的装置,更進一步包含 用以把該謦佶號轉換成數位形式的類比至數位轉換裝 本紙張尺度適用中國國家標準(CNS)甲4规格(210 X 297公贷) (請先閲讀背面之注意事項再填寫本頁) —裝. 訂- 81.9.10,000 2〇_ 經濟部中央標準局8工消费合作社印製 A7 B7 01858 C7 ___D7_ 六、申請專利範团 置,其中該挑選裝置和該能量改變裝置包含用以把該 已數位化轚倍號分開成多艏頻#戒分且其中至少一個 成分落在該至少一錮可聞頻帶内的資料處理裝置;該 資料處理裝置可更進一步運作來改變在該至少一個可 聞頻帶内之該至少一傾頻率成分的能量而用該不可聞 密碼化訊息的資料將該至少一個頻率成分加以编碼, 並將包括該至少一俚被编碼的頻率成分在内的該等多 値頻率_合併形成一値密碼化數位轚倍號;而該裝置 更進一步包含數位至類比轉換裝置,用來把該密碼化 數位《倍號轉換成如該密碼化轚倍號的類比型態。 \8.侬據申謭專利範圍第15項所述之裝置,其中該挑選裝 置包含至少一個把該至少一個可聞頻帶從該轚倍號中 分出來的帶通濾波装置、用以從該轚倍號中把頻率低 於該至少一個可聞頻帶的該聲倍號中之低頻部分分出 來的低通濾波裝置、以及用以將頻率大於該至少一個 " 可聞頻帶的該轚倍號中之高頻部分開的裝置;該能量 改變裝置包含和該帶通濾波裝置連結的開關裝置,用 來接收該至少一個可間頻帶,而用以铤應於該密碼産 生裝置出來的該至少一串脈波或準脈波佶號序列,在 其一輸出端選擇性地提供該至少一個可間頻帶,以將 該至少一可間頻帶编碼;該裝置更進一步包含用以合 併該至少一個可間之已密碼化頻帶和該轚倍號中的該 等低頻和高頻部分以構成該密碼化《倍號的合成裝置 -------------------^------裝------lir (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS)甲4規格(2】0 X 297公釐) -21- 81.9.10,000 Α7 Β7 C7 D7 01858 六、申請專利範团 if一種用以將被编碼於構成一節目之至少一部分的《倍 號中的辨識訊息恢復的裝置,該辨識訊息偽藉改變在 該轚倍號之至少一锢可聞頻帶中的轚信號能量的方式 來编碼,該轚倍號傜由揚轚器複製播放,本裝置包含 用以把該揚轚器複製的轚倍號轉變成一個電轚倍號的 撖音器裝置、用以偵潮在該至少一可聞頻帶中的該電 轚倍號能量上之改變的裝置、用以從偵测到的改蠻中 提取該辨識訊息的裝置、以及用以把辨議訊息存入一 記憶體内的裝置。 2£.依據申請專利範圍第19項所述的裝置,更進一步包括 把該電轚佶號轉換成數位形式的類比至數位轉換裝置 ,其中該偵拥I裝置、該提取裝置和該儲存裝置包含把 該己數位化轚倍號分成多個頻率成分且其中至少一個 頻率成分落在該至少一値可間頻帶内的資料處理裝置 ,該資料處理裝置更進一步運作用來偵測在該至少一 個頻率成分之能fi上的改變、從被偵測到的改變中提 取該辨識訊息和把該辨識訊息存入該記偌塍。 2厂依據申誚專利範圍第19項所述之裝置,其中該偵測裝 if 置包含從該霣《倍號中分出該至少一個可間頻帶的帶 通濾波裝置。 2/.依據申請專利範圍第19項所述之裝置,更進一步包含 用以容裝該裝置以使該裝置能被人攜帶的容裝裝置。 23.依據申請專利範圍第22項所述之裝置,更進一步包括 f 用以判定該装置是否被人撝帶箸的判定装置、以及用 -裝------•玎 » (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局8工消费合作杜印製 本紙張尺度適用中國國家標準(CNS)甲4規格(210 X 297公笼) -22- 81.9.10,000 A7 B7 C7 D7 L01858 κ、申請專利範園 (請先閲讀背面之注意事項再蜞寫本頁) 以儲存該測定結果之一指示的儲存裝置。 2仏依雄申請專利範圍第23項所述之裝置,其中該判定装.. 置包含供由偵測該裝S的運動來指承績擊置是否被人 攜帶著的運動偵測裝置。 2$.依據申諳專利範圍第23項所述之裝置,其中該判定裝 置包含用以偵測從攜帶該裝置的人身上發出之醴溫的 裝置。 2«.—種估量散佈寬廣成音資訊之聽眾的方法,該散佈寬 廣成音資訊包括指示其來源的一段不可間辨識密碼, 該密碼偽藉由修正在該散佈寬廣成音資訊之至少一個 頻帶内之一部分的能量位準而被包括在該散佈宽廣成 音資訊的該至少一傾頻帶内,本方法包含下列步驟: 挑選一群人做為聽眾代表; 經濟部中央標準局8工消費合作社印繁 為該群人中的每一人提供一傾可攜帶在造群人中 之該每一人身上的個別個人監測裝置,該個人監測裝 置包括用以把包括其所收到的該散佈寬廣成音資訊在 内的轚音轉換成一種處理倍號的裝置、用以藉由偵測 對在該至少一個頻帶内之該處理倍號的能量位準所施 的修正而自該處理倍號中提取該不可聞辨織密碼的裝 S、以及用以儲存從提取出來的密碼得到而提示該散 佈寬廣成音資訊之來源的資訊的裝置; 在一段預定期間内,使用被該群人中每一個人所 攜之各該個自的個人監測装置,而藉由從自包括被該 群人中之毎一人所攜之該個自的個人監測裝置'所接收 本紙張尺度適用中國國家標準(CNS)甲4规格(2]〇 X 297公分) -23- 81.9.10,000 ,01858 A7 B7 C7 D7 夂、申請專利範团 (請先閲讀背面之注意事項再填寫本頁) 到的該散佈寬廣成音資訊在内的轚音轉換而成的處理 倍號中提取出不可釅辨識密碼,並把從提取出來的密 碼得到的該資訊结存起來,而收集黼於提供給該群人 中之每一人之散佈寬廣成音資訊的所有相關資訊;以 及 依據收到的資料,對至少一個散佈宽廣成音資訊 的來源産生一份騁眾的估量結果。 依據申請專利範圍第26項所述之方法,其中該收集資 訊的步驟包含提取和儲存代表提供該散佈寬廣成音資 訊作為其所傳送的信號的一部分之無線$台及/或電視 台及/或頻道的辨識密碼。 依據申誚專利範圍第27項所述之方法,其中該收集資 訊的步驟包含提取及儲存辨識傳送無線電倍號作為該 散佈寬廣成音資訊之無線電台的辨識密碼。 胡.依據申請專利範圍第27項所述之方法,其中該收集資 1訊的步驟包含提取及儲存代表提供該散佈寬廣成音資 訊作為其所傳送電視倍號之一部分的電視台及/或頻 道的辨識密碼。 絰濟部中央標準局S工消費合作社印製 祕.依據申諸專利範圍第26項所述之方法,其中産生該聽 眾估量結果的步驟包含將由各個饀人監测裝置所儲存 的資訊傳送至一個集中的處理器.和使用該集中的處 理器侬據傳送過來的資訊製作該聽眾估量結果。 3Λ.—植在被一個锢別聽眾成員的人所攜帶時用於收集為 了估量散佈寬廣成音資訊之聽眾所需之資訊的監测裝 81.9.10,000 本紙張尺度適用中國國家標準(CNS)甲4規格(210 X 297公釐) 10x858 Α7 Β7 C7 D7 經濟部中央標準局8工消費合作社印製 κ、申請專利範圍 S.該散佈寬廣成音資訊包括一段藉著改變在該散佈 寬K成音資《之至少一镅頻箝内的一部分的能置位準 而被含括在該散佈宽廣成音資訊之該至少一備Λ得内並提示該散佈寬廣成音資訊之來源的不可鼷辨織密碼 ,本裝置包含:一個外殼; 附接該外殼至一値聽眾成員的個人身上的裝置; 把包括其所接收到的該散佈寬廣成音資訊在内的 聲音轉換成一痼處理倍號的轉換装置; 藉由偵測在該至少一個頻帶内對該處理倍號的能 量位準所施的變化而從該處理倍號中提取出該不可聞 辨識碼的密碼提取裝置;以及 偏存從提取到的密碼中得到而指示該散佈宽廣成 音資訊的來源的資訊的儲存裝置; 該轉換裝置、該密碼提取裝置和該儲存裝置是放 在該外殼中。 依雄申請專利範圍第31項所述之監測裝置.,更進一步 包含用以判定該監测裝置是否正被人所撕帶的裝置、 以及用以儲存造類判定之一指示的裝置。 3/ .依據申請專利範圍第32項所述之監測裝置,其中該判 定裝置包含用以偵測該監測裝置之運動以指示該監測 裝置是否正被人撕帶箸的運動偵測裝置。 |4 .依據申請專利範圍第32項所述之監測装置.其中該判 定裝置包含用以偵測從攜帶該監測裝置的人所發出之 體熱的裝置。 (請先闖讀t面之注意事項再場寫本頁) |裝· 訂. 本紙張尺度適用中國國家標準(CNS)甲4規格(210 X 297公楚) *25- 81.9.10,000
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EP0872971A3 (en) 2006-08-16
GB2260246B (en) 1996-04-10
EP0872971A2 (en) 1998-10-21
WO1993007689A1 (en) 1993-04-15
CA2079260A1 (en) 1993-03-31
HK1007850A1 (en) 1999-04-23
CA2079260C (en) 2004-02-24
GR3029415T3 (en) 1999-05-28
US5574962A (en) 1996-11-12
ES2125907T3 (es) 1999-03-16
ES2310926T3 (es) 2009-01-16
AU2668692A (en) 1993-05-03
DE69227916D1 (de) 1999-01-28
FR2681997B1 (zh) 1995-02-17
GB2260246A (en) 1993-04-07
ZA927317B (en) 1994-03-24
DE69233740D1 (de) 2008-09-04
DK0872971T3 (da) 2008-11-24
GB9220005D0 (en) 1992-11-04
AU668888B2 (en) 1996-05-23
EP0606341A1 (en) 1994-07-20
DE69227916T2 (de) 1999-05-27
ATE402531T1 (de) 2008-08-15
FR2681997A1 (fr) 1993-04-02
ATE174737T1 (de) 1999-01-15
MX9205506A (es) 1993-07-01
US5787334A (en) 1998-07-28
EP0606341B1 (en) 1998-12-16
US5581800A (en) 1996-12-03
EP0606341A4 (en) 1996-04-03
EP0872971B1 (en) 2008-07-23
DK0606341T3 (da) 1999-08-23

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