JP2009027209A - Broadcast-content recording apparatus - Google Patents

Broadcast-content recording apparatus Download PDF

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JP2009027209A
JP2009027209A JP2005321244A JP2005321244A JP2009027209A JP 2009027209 A JP2009027209 A JP 2009027209A JP 2005321244 A JP2005321244 A JP 2005321244A JP 2005321244 A JP2005321244 A JP 2005321244A JP 2009027209 A JP2009027209 A JP 2009027209A
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recording
signal
recording medium
received signal
time
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Kazuya Uryu
和也 瓜生
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Priority to JP2005321244A priority Critical patent/JP2009027209A/en
Priority to PCT/JP2006/314277 priority patent/WO2007052390A1/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast-content recording apparatus which can detect the head of a reproduced signal read from a first recording medium and can record the reproduced signal to a second recording medium from the head. <P>SOLUTION: The broadcast-content recording apparatus includes: a signal processing unit to process a receiving signal of digital broadcasting; the first recording medium to which the receiving signal processed by the signal processing unit is recorded; and the second recording medium to which the reproduced signal from the first recording medium is recorded, and a control unit detects the head of the reproduced signal and instructs the second recording medium to record the reproduced signal while the receiving signal being received can be securely recorded from its head to the second recording medium. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、デジタルラジオ放送、デジタルテレビ放送等のデジタル放送の受信信号を録音する放送内容録音装置に関するものである。   The present invention relates to a broadcast content recording apparatus for recording a received signal of a digital broadcast such as a digital radio broadcast or a digital television broadcast.

この種の放送内容録音装置は、デジタル放送の受信を開始したとき、例えば録音したい受信信号が受信された場合、その時点で録音操作を行うと、その時点からつまり受信信号の途中からしか録音されない。そこで、受信信号を常時第１の記録媒体に一定時間分（例えば５分）を録音しておき、録音操作したとき、第１の記録媒体からの再生信号を時間を遡ることによって受信信号の先頭から第２の記録媒体に録音する機能（プレイバック機能）が既に存在し知られている。しかし、このプレイバック機能であっても、必ずしも楽曲の先頭から録音することはできず、その前の余分な受信信号も同時に録音することになる。   When this type of broadcast content recording apparatus starts receiving digital broadcasts, for example, when a received signal to be recorded is received, if a recording operation is performed at that time, recording is performed only from that point, that is, from the middle of the received signal. . Therefore, the reception signal is always recorded on the first recording medium for a certain time (for example, 5 minutes), and when the recording operation is performed, the reproduction signal from the first recording medium is traced back to the beginning of the reception signal. The function (playback function) for recording on the second recording medium already exists and is known. However, even with this playback function, it is not always possible to record from the beginning of the music, and the extra received signal before that is also recorded.

従来は、特許文献１に記載されるように、受信信号を常時一定量蓄える第１の記録媒体を備え、受信信号に付加される文字情報（楽曲名等）と予め設定入力した文字情報とを比較し、一致した受信情報を自動的に録音する機能を有している。この場合、文字情報の区切りを検知する検知手段を備えることにより、録音の頭切れが生じるのを防ぐものがある。   Conventionally, as described in Patent Document 1, a first recording medium that always stores a certain amount of received signal is provided, and character information (music name, etc.) to be added to the received signal and character information that has been set and input in advance. It has a function of automatically recording the received information that has been compared and matched. In this case, there is one that prevents the recording from being cut off by providing a detecting means for detecting a break of character information.

特開平１０−５５６５６号公報JP-A-10-55656

従来の放送内容録音装置は以上のように構成されているので、文字情報の変化と楽曲情報の変化にずれがあった場合、必ずしも受信信号の先頭から録音することができず、受信信号の頭切れを生じたり、希望する受信信号より前の余分な受信信号から録音する。また文字情報がない場合は自動録音が機能しないという課題があった。   Since the conventional broadcast content recording apparatus is configured as described above, if there is a discrepancy between the change in the character information and the change in the music information, it is not always possible to record from the beginning of the received signal. Recording is performed from an excess received signal before the desired received signal. There is also a problem that automatic recording does not function when there is no text information.

この発明は上記のような課題を解消するためになされたもので、受信信号を必ず先頭から録音できるようにした放送内容録音装置を得ることを目的とする。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a broadcast content recording apparatus that can always record a received signal from the beginning.

この発明に係る放送内容録音装置は、デジタル放送の受信信号を処理する信号処理部と、この信号処理部で処理された受信信号を録音する第１の記録媒体と、この第１の記録媒体からの再生信号を録音する第２の記録媒体とを備え、制御部は前記再生信号の先頭を検知して前記第２の記録媒体に該再生信号の録音を指示するものである。   The broadcast content recording apparatus according to the present invention includes a signal processing unit that processes a received signal of a digital broadcast, a first recording medium that records the received signal processed by the signal processing unit, and the first recording medium. And a second recording medium for recording the reproduction signal. The control unit detects the beginning of the reproduction signal and instructs the second recording medium to record the reproduction signal.

この発明によれば、受信中、いつ録音操作を行っても、必ず希望する受信信号の先頭を検知して録音を開始するように構成したので、その受信信号を必ず先頭から確実に記録媒体に録音できるという効果がある。   According to the present invention, since it is configured to always detect the beginning of the desired received signal and start recording whenever recording is performed during reception, the received signal is surely transferred to the recording medium from the beginning. It has the effect of being able to record.

以下、この発明の実施の一形態を図面について詳細に説明する。
実施の形態１．
以下、図面について、車に搭載した放送内容録音装置で受信した受信信号を録音する場合を説明する。
図１は実施の形態１である放送内容録音装置の構成を示すブロック図であり、図１において、アンテナ１を備えたチューナ２の出力側には、信号処理部３が設けられている。この信号処理部３の出力側には一時録音のための第１の記録媒体としてのメモリ８とＤ／Ａ（デジタル／アナログ）コンバータ５とが接続され、Ｄ／Ａコンバータ５の出力側には増幅部６とスピーカ７が順次直列に設けられている。また、メモリ８の出力側には第２の記録媒体としてのＨＤＤ（Ｈａｒｄ Ｄｉｓｋ Ｄｒｉｖｅ）４が設けられている。そして、図に省略した電源供給路によって、チューナ２、信号処理部３、ＨＤＤ４、Ｄ／Ａコンバータ５、アンプ６、制御部としてのマイクロコンピュータ９のそれぞれに電力が供給されている。マイクロコンピュータ９は信号処理部３との間で互いに通信を行い、演奏期間制御データや楽曲等の文字情報を得る。 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
Embodiment 1 FIG.
Hereinafter, a case where a reception signal received by a broadcast content recording device mounted on a car is recorded will be described with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a broadcast content recording apparatus according to the first embodiment. In FIG. 1, a signal processing unit 3 is provided on the output side of a tuner 2 provided with an antenna 1. A memory 8 as a first recording medium for temporary recording and a D / A (digital / analog) converter 5 are connected to the output side of the signal processing unit 3, and the output side of the D / A converter 5 is connected to the output side. The amplifying unit 6 and the speaker 7 are sequentially provided in series. Also, an HDD (Hard Disk Drive) 4 as a second recording medium is provided on the output side of the memory 8. Electric power is supplied to the tuner 2, the signal processing unit 3, the HDD 4, the D / A converter 5, the amplifier 6, and the microcomputer 9 as a control unit through a power supply path (not shown). The microcomputer 9 communicates with the signal processing unit 3 to obtain performance period control data and character information such as music.

また、マイクロコンピュータ９は、図示しない操作部からの操作信号に基づいて、第１の記録媒体としてのメモリ８の遅延時間（メモリ８に入力された信号が出力されるまでの時間）−楽曲経過時間（録音指示時点における受信信号の経過時間）＝残り時間が「０」であるか、曲名情報の変化点であるかを判断するとともに、音声レベル検知器１０から無音検知信号のいずれかを受けることにより、メモリ８から再生された希望する受信信号の先頭を検知してＨＤＤ４に録音開始を指示するので、受信信号は必ず先頭から確実にＨＤＤ４に録音することができる。   Further, the microcomputer 9 determines the delay time of the memory 8 as the first recording medium (the time until the signal input to the memory 8 is output) based on the operation signal from the operation unit (not shown) −the progress of the music Time (the elapsed time of the received signal at the time of recording instruction) = determining whether the remaining time is “0” or a change point of the song title information, and receives any of the silence detection signals from the audio level detector 10 As a result, the head of the desired reception signal reproduced from the memory 8 is detected and the HDD 4 is instructed to start recording, so that the reception signal can be surely recorded on the HDD 4 from the head.

次に動作を説明する。アンテナ１より入力されたデジタル放送波はチューナ２で周波数変換された後、信号処理部３に供給される。信号処理部３で処理されたデジタル受信信号はＤ／Ａコンバータ５でアナログ受信信号に変換される。このアナログ受信信号はアンプ回路６で増幅された後、スピーカ７に供給されて音声出力される。この受信状態において、デジタル受信信号は順次メモリ８に録音され、録音容量以上になると自然にオーバフローして消去され、順次新しいデジタル受信信号が録音される。   Next, the operation will be described. The digital broadcast wave input from the antenna 1 is frequency-converted by the tuner 2 and then supplied to the signal processing unit 3. The digital reception signal processed by the signal processing unit 3 is converted into an analog reception signal by the D / A converter 5. The analog reception signal is amplified by the amplifier circuit 6 and then supplied to the speaker 7 for sound output. In this reception state, the digital reception signal is sequentially recorded in the memory 8, and when it exceeds the recording capacity, it naturally overflows and is erased, and new digital reception signals are sequentially recorded.

この録音状態において、ユーザーが受信信号の中で希望する受信信号をＨＤＤ４に録音する動作を図２のフローチャートについて説明する。ユーザーが図示しない操作部によって、希望する受信信号をＨＤＤ４に録音することをマイクロコンピュータ９に指示すると（ステップＳＴ１）、この指示を受けたマイクロコンピュータ９は、信号処理部３との通信によって受信信号に演奏期間制御データが付加されているか否かを判断する（ステップＳＴ２）。そして、付加されている場合は、第１の記録媒体の遅延時間−楽曲経過時間＝残り時間が「０」であるかを判する（ステップＳＴ３）。   The operation of recording the received signal desired by the user in the received signal in the HDD 4 in this recording state will be described with reference to the flowchart of FIG. When the user instructs the microcomputer 9 to record a desired received signal in the HDD 4 by an operation unit (not shown) (step ST1), the microcomputer 9 receiving this instruction receives the received signal through communication with the signal processing unit 3. It is determined whether or not performance period control data is added to (step ST2). If it is added, it is determined whether the delay time of the first recording medium−the elapsed music time = the remaining time is “0” (step ST3).

例えば、メモリ８の遅延時間が５分、楽曲経過時間が２分とすれば、残り時間は３分であるから、録音指示時点から３分経過すると残り時間は「０」となり、録音を希望する受信信号の先頭がメモリ８から再生出力される。そこで、マイクロコンピュータ９は、ステップＳＴ３の判断がＹＥＳであれば、ＨＤＤ４に録音開始を指示する（ステップＳＴ４）。なお、ステップＳＴ３の判断で０でなければ、０になるまでステップＳＴ３の判断を繰り返す。   For example, if the delay time of the memory 8 is 5 minutes and the music elapsed time is 2 minutes, the remaining time is 3 minutes. Therefore, when 3 minutes have elapsed from the recording instruction point, the remaining time becomes “0” and recording is desired. The beginning of the received signal is reproduced and output from the memory 8. Therefore, if the determination in step ST3 is YES, the microcomputer 9 instructs the HDD 4 to start recording (step ST4). If the determination in step ST3 is not 0, the determination in step ST3 is repeated until it becomes 0.

一方、マイクロコンピュータ９は、上記のステップＳＴ２の判断結果が「ＮＯ」の場合は、メモリ８からの再生信号に文字情報である曲名情報が付加されているか否かを判断する（ステップＳＴ５）。そして、曲名情報が付加されている場合は、その曲名情報の変化点を検知し、この変化点が楽曲の先頭とみなしてＨＤＤ４に録音開始を指示する（ステップＳＴ４）。   On the other hand, when the determination result in step ST2 is “NO”, the microcomputer 9 determines whether or not the song name information as character information is added to the reproduction signal from the memory 8 (step ST5). If song name information is added, a change point of the song name information is detected, and the change point is regarded as the head of the song, and the HDD 4 is instructed to start recording (step ST4).

また、受信信号がニュース等のように長さが不明で、楽曲のように演奏期間制御データや楽曲経過時間や楽曲の文字情報がマイクロコンピュータ９で確認できない場合は、Ｄ／Ａコンバータ５から出力されたアナログ信号の音声レベルを検知するアナログ音声レベル検知器１０によって、Ｄ／Ａコンバータ５から出力されたアナログ信号の音声レベルが予め設定したアナログ音声レベル値以下、つまり無音部となったかを判断し（ステップＳＴ７）、無音が予め設定した時間以上経過した場合はその無音部を受信信号の先頭と見なしてマイクロコンピュータ９に通知する（ステップＳＴ８）。この通知を受けたマイクロコンピュータ９はＨＤＤ４に録音の開始を指示する（ステップＳＴ４）。   If the received signal is unknown in length, such as news, and the performance period control data, the elapsed music time, and the character information of the music cannot be confirmed by the microcomputer 9 as in the music, it is output from the D / A converter 5. The analog audio level detector 10 for detecting the audio level of the analog signal thus determined determines whether the audio level of the analog signal output from the D / A converter 5 is equal to or less than a preset analog audio level value, that is, a silent part. (Step ST7) If the silence has passed for a preset time, the silent part is regarded as the head of the received signal and notified to the microcomputer 9 (Step ST8). Receiving this notification, the microcomputer 9 instructs the HDD 4 to start recording (step ST4).

上記いずれの判断もできないときは、マイクロコンピュータ９による録音指示から予め設定した時間経過したかを判断し、設定時間を経過したと判断したときは、マイクロコンピュータ９はＨＤＤ４に録音開始を指示して録音を開始する（ステップＳＴ９）。   If neither of the above determinations can be made, it is determined whether a preset time has elapsed from the recording instruction by the microcomputer 9, and if it is determined that the set time has elapsed, the microcomputer 9 instructs the HDD 4 to start recording. Recording is started (step ST9).

つまり、録音開始を指示した時点では既に希望する受信信号はメモリ８に入力されているので、その受信信号の先端がメモリ８より出力されるであろう予め設定した時間が経過したかを判断し（ステップＳＴ９）、ＹＥＳであれば、マイクロコンピュータ９はＨＤＤ４に録音開始を指示して録音を開始する。なお、ステップＳＴ９の判断でＹＥＳでなければ、ＹＥＳになるまでステップＳＴ９の判断を繰り返す。   In other words, since the desired received signal has already been input to the memory 8 at the time when the start of recording is instructed, it is determined whether a preset time at which the leading end of the received signal will be output from the memory 8 has elapsed. If (YES in step ST9), the microcomputer 9 instructs the HDD 4 to start recording and starts recording. If YES in step ST9, the determination in step ST9 is repeated until YES.

ＨＤＤ４を再生するときは、不図示の操作部よりマイクロコンピュータ９にＨＤＤ４の再生を指示すると、マイクロコンピュータ９はＨＤＤ４に再生開始を指示する。ＨＤＤ４の再生信号は、Ｄ／Ａコンバータ５でアナログ信号に変換され、アンプ６を介してスピーカ７から音声出力される。   When reproducing the HDD 4, when the microcomputer 9 is instructed to reproduce the HDD 4 from an operation unit (not shown), the microcomputer 9 instructs the HDD 4 to start reproduction. The reproduction signal of the HDD 4 is converted into an analog signal by the D / A converter 5 and output from the speaker 7 through the amplifier 6 as sound.

以上のように、実施の形態１によれば、ユーザーが受信信号のＨＤＤへの録音を指示すると、マイクロコンピュータ９はメモリ８の遅延時間−録音指示時点における受信信号の経過時間＝残り時間が「０」であるか、曲名情報の変化点であるか、無音部であるかを順次判断し、そのいずれかに該当するときはメモリから希望する受信信号の先頭が再生されたとしてＨＤＤに録音するように構成したので、確実に現在受信中の受信信号の先頭に遡ってＨＤＤに該受信信号を録音することができる効果がある。また、上記のメモリ８の遅延時間−楽曲経過時間＝残り時間が「０」であるか、曲名情報の変化点であるか、無音部であるかの判断に、精度の高いものから優先度をつけることにより、希望する受信信号の先頭からの録音精度を高めることができる。   As described above, according to the first embodiment, when the user instructs the recording of the received signal to the HDD, the microcomputer 9 causes the delay time of the memory 8−the elapsed time of the received signal at the time of recording instruction = the remaining time “ "0", a song name change point, or a silent part is sequentially judged, and if any of them, the head of the desired received signal is reproduced from the memory and recorded on the HDD. With this configuration, there is an effect that the received signal can be reliably recorded back to the head of the currently received reception signal. In addition, in order to determine whether the delay time of the memory 8−the elapsed time of the music = the remaining time is “0”, the change point of the song name information, or the silent part, the priority is set from the one with high accuracy. By attaching, it is possible to improve the recording accuracy from the beginning of the desired received signal.

実施の形態２．
図３は実施の形態２である放送内容録音装置の構成を示すブロック図であり、実施の形態１では、受信信号の無音状態を検知するためにＤ／Ａコンバータから出力されたアナログ音声レベルを検知したが、この実施の形態２はメモリ８から出力されたデジタル音声レベル検知器１１を設け、例えば、ｎビットで構成されるデジタル受信信号の全ビットがすべて「０」となり、この「０」状態が所定時間継続したとき無音部と検知する。マイクロコンピュータ９はデジタル音声レベル検知器１１から無音部の検知信号を受けると、直ちにＨＤＤ４に対し録音開始を指示する。他の構成は図１と同一であるから、同一部分には同一符号を付して重複説明を省略する。 Embodiment 2. FIG.
FIG. 3 is a block diagram showing the configuration of the broadcast content recording apparatus according to the second embodiment. In the first embodiment, the analog audio level output from the D / A converter for detecting the silence state of the received signal is shown. In the second embodiment, the digital audio level detector 11 output from the memory 8 is provided. For example, all the bits of the digital reception signal composed of n bits become “0”, and this “0” is detected. When the state continues for a predetermined time, a silence is detected. When the microcomputer 9 receives the silent part detection signal from the digital audio level detector 11, it immediately instructs the HDD 4 to start recording. Since other configurations are the same as those in FIG. 1, the same portions are denoted by the same reference numerals, and redundant description is omitted.

なお、上記の実施の形態では、記録媒体としてＨＤＤを例示したが、このＨＤＤに限定されるものではなく、ＣＤＲ、フラッシュメモリ等であっても同様である。
また、図示例は、車に搭載したデジタル受信装置で受信した受信信号を録音する場合を例について説明したが、室内に設置した固定式のデジタル受信装置で受信した受信信号を録音する場合についても同様に適用することができる。 In the above embodiment, the HDD is exemplified as the recording medium. However, the present invention is not limited to this HDD, and the same applies to a CDR, a flash memory, or the like.
Moreover, although the example of illustration demonstrated the example when recording the received signal received with the digital receiver installed in the car, also when recording the received signal received with the fixed digital receiver installed indoors The same can be applied.

実施の形態１を示す放送内容録音装置のブロック図である。1 is a block diagram of a broadcast content recording apparatus showing Embodiment 1. FIG. その動作を説明するフローチャートである。It is a flowchart explaining the operation. 実施の形態２を示す放送内容録音装置のブロック図である。FIG. 10 is a block diagram of a broadcast content recording apparatus showing a second embodiment.

符号の説明Explanation of symbols

１ アンテナ、２ チューナ、３ 信号処理部、４ ＨＤＤ、５ Ｄ／Ａコンバータ、６ アンプ、７ スピーカ、８ メモリ、９ マイクロコンピュータ（制御部）、１０ アナログ音声レベル検知器、１１ デジタル音声レベル検知器。
1 antenna, 2 tuner, 3 signal processing unit, 4 HDD, 5 D / A converter, 6 amplifier, 7 speaker, 8 memory, 9 microcomputer (control unit), 10 analog audio level detector, 11 digital audio level detector .

Claims (3)

デジタル放送の受信信号を処理する信号処理部と、この信号処理部で処理された受信信号を録音する第１の記録媒体と、この第１の記録媒体からの再生信号を録音する第２の記録媒体と、前記再生信号の先頭を検知して前記第２の記録媒体に該再生信号の録音を指示する制御部とを備えた放送内容録音装置。   A signal processing unit for processing the received signal of the digital broadcast, a first recording medium for recording the received signal processed by the signal processing unit, and a second recording for recording the reproduction signal from the first recording medium A broadcast content recording apparatus comprising: a medium; and a control unit that detects a head of the reproduction signal and instructs the second recording medium to record the reproduction signal. 制御部は、第１の記録媒体の遅延時間−録音指示時点における受信信号の経過時間＝残り時間が「０」であるか、曲名情報の変化点であるか、無音部であるかのいずれかによって、第１の記録媒体からの再生信号の先頭を検知することを特徴とする請求項１記載の放送内容録音装置。   The control unit is either the delay time of the first recording medium−the elapsed time of the received signal at the recording instruction time = the remaining time is “0”, the change point of the song name information, or the silent part 2. The broadcast content recording apparatus according to claim 1, wherein the head of the reproduction signal from the first recording medium is detected by the following. 制御部は、第１の記録媒体の遅延時間−録音指示時点における受信信号の経過時間＝残り時間が「０」であるか、曲名情報の変化点であるか、無音部であるかを優先順位を設けて判断することによって、再生信号の先頭を検知することを特徴とする請求項１記載の放送内容録音装置。
The control unit gives priority to whether the delay time of the first recording medium−the elapsed time of the received signal at the recording instruction time = the remaining time is “0”, the change point of the song name information, or the silent part The broadcast content recording apparatus according to claim 1, wherein the beginning of the reproduction signal is detected by providing and determining.
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