JP2007094234A - データ記録再生装置、データ記録再生方法及びそのプログラム - Google Patents
データ記録再生装置、データ記録再生方法及びそのプログラム Download PDFInfo
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
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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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
- G10L21/043—Time compression or expansion by changing speed
- G10L21/045—Time compression or expansion by changing speed using thinning out or insertion of a waveform
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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
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- 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
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- 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
- G11B2020/10546—Audio or video recording specifically adapted for audio data
- G11B2020/10555—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account
- G11B2020/10574—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account volume or amplitude
-
- 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
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
-
- 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
- G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
- G11B2020/10953—Concurrent recording or playback of different streams or files
- G11B2020/10962—Concurrent recording or playback of different streams or files wherein both recording and playback take place simultaneously
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2504—Holographic discs; Holographic digital data storage [HDDS]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
Abstract
演算処理量を増やすことなく、データのコンテンツの特徴点を抽出することができるデータ記録再生装置、データ記録再生方法及びそのプログラムを提供すること。
【解決手段】
圧縮符号化された音声データの中からSF(原音信号の音の特性情報)がSF抽出回路35により抽出され、MPEGオーディオ/ビデオデコーダ28での復号処理を要することなく、抽出されたSFに基づいて特徴点ファイルが生成される。これにより、復号処理した後にサブバンドデータが生成され、そのサブバンドが持つエネルギーを観測して小区間が持つ特徴を分類する従来の方法に比べ、本発明では演算処理量を減らすことができる。また、既に過去に記録された別の番組(別のタイトル)の再生途中であっても、現在記録中のタイトルのコンテンツのSFを抽出することが可能となる。
【選択図】図1
Description
21…MPEGビデオエンコーダ
23…MPEGオーディオエンコーダ
25…多重・分離回路
26…バッファ制御回路
27…HDD
28…MPEGオーディオ/ビデオデコーダ
35…SF抽出回路
37…分離回路
40…MPEGビデオデコーダ
41…MPEGオーディオデコーダ
42…間引き処理回路
43…分離回路
44…MPEGオーディオパーサ
45…特徴点ファイル生成回路
100…データ記録再生装置
Claims (6)
- 原音信号が符号化されて生成された音声データを前記原音信号に復号して再生するデータ記録再生装置であって、
前記音声データを記憶するデータ記憶手段と、
前記データ記憶手段に記憶された音声データの中から前記原音信号の音の特性情報を抽出し、前記抽出した特性情報に基づいて特徴点情報を生成する特徴点情報生成手段と、
前記音声データを復号し、前記復号した復号データに前記特徴点情報に基づいて間引き処理を施すことで、前記原音信号を変速再生する変速再生手段と
を具備することを特徴とするデータ記録再生装置。 - 請求項1に記載のデータ記録再生装置であって、
前記特徴点情報生成手段は、前記音声の有無の情報を前記特徴点情報として生成することを特徴とするデータ記録再生装置。 - 請求項1に記載のデータ記録再生装置であって、
前記特徴点情報生成手段は、所定の時間ごとに前記特徴点情報を生成することを特徴とするデータ記録再生装置。 - 請求項1に記載のデータ記録再生装置であって、
前記生成された特徴点情報を、該特徴点情報に対応する前記特性情報を持つ前記音声データと対応付けて記憶する特徴点情報記憶手段をさらに具備することを特徴とするデータ記録再生装置。 - 原音信号が符号化されて生成された音声データを前記原音信号に復号して再生するデータ記録再生方法であって、
前記音声データを記憶するステップと、
前記記憶された音声データの中から前記原音信号の音の特性情報を抽出するステップと、
前記抽出された特性情報に基づいて特徴点情報を生成するステップと、
前記音声データを復号するステップと、
前記復号した復号データに前記特徴点情報に基づいて間引き処理を施すことで、前記生成された特徴点情報を用いながら前記原音信号を変速再生するステップと
を具備することを特徴とするデータ記録再生方法。 - 原音信号が符号化されて生成された音声データを前記原音信号に復号して再生するためのプログラムであって、
前記音声データをデータ記憶手段に記憶させるステップと、
前記記憶された音声データの中から前記原音信号の音の特性情報を抽出するステップと、
前記抽出された特性情報に基づいて特徴点情報を生成するステップと、
前記音声データを復号するステップと、
前記復号した復号データに前記特徴点情報に基づいて間引き処理を施すことで、前記生成された特徴点情報を用いながら前記原音信号を変速再生するステップと
をコンピュータに実行させるプログラム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005285997A JP2007094234A (ja) | 2005-09-30 | 2005-09-30 | データ記録再生装置、データ記録再生方法及びそのプログラム |
EP06255034A EP1770704A3 (en) | 2005-09-30 | 2006-09-28 | Data recording and reproducing apparatus, method, and program therefor |
KR1020060094763A KR101291474B1 (ko) | 2005-09-30 | 2006-09-28 | 데이터 기록 재생 장치, 데이터 기록 재생 방법 및 그 프로그램이 기록된 기록매체 |
US11/529,868 US8275473B2 (en) | 2005-09-30 | 2006-09-29 | Data recording and reproducing apparatus, method of recording and reproducing data, and program therefor |
CN2006101463843A CN1941144B (zh) | 2005-09-30 | 2006-09-30 | 数据记录和再现设备及方法 |
Applications Claiming Priority (1)
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JP2005285997A JP2007094234A (ja) | 2005-09-30 | 2005-09-30 | データ記録再生装置、データ記録再生方法及びそのプログラム |
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JP2007094234A true JP2007094234A (ja) | 2007-04-12 |
Family
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JP2005285997A Pending JP2007094234A (ja) | 2005-09-30 | 2005-09-30 | データ記録再生装置、データ記録再生方法及びそのプログラム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8275473B2 (ja) |
EP (1) | EP1770704A3 (ja) |
JP (1) | JP2007094234A (ja) |
KR (1) | KR101291474B1 (ja) |
CN (1) | CN1941144B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009075280A (ja) * | 2007-09-20 | 2009-04-09 | Nippon Hoso Kyokai <Nhk> | コンテンツ再生装置 |
JP2014048477A (ja) * | 2012-08-31 | 2014-03-17 | Toshiba Alpine Automotive Technology Corp | 音声再生装置および音声再生方法 |
Families Citing this family (7)
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---|---|---|---|---|
DE102007006995A1 (de) * | 2007-02-14 | 2008-08-21 | Robert Bosch Gmbh | Korrektureinrichtung für audiovisuelle Daten |
US20090202227A1 (en) * | 2008-02-13 | 2009-08-13 | Samsung Electronics Co., Ltd. | Method and apparatus for recording data, method and apparatus for reproducing data, and recording medium for recording data |
JP2010074823A (ja) * | 2008-08-22 | 2010-04-02 | Panasonic Corp | 録画編集装置 |
US20100228736A1 (en) * | 2009-02-20 | 2010-09-09 | All Media Guide, Llc | Recognizing a disc |
WO2010121262A1 (en) * | 2009-04-17 | 2010-10-21 | Maxlinear, Inc. | Wideband personal-radio recorder |
US8526898B2 (en) * | 2009-04-17 | 2013-09-03 | Maxlinear, Inc. | Wideband tuner architecture |
WO2011072893A1 (en) * | 2009-12-16 | 2011-06-23 | International Business Machines Corporation | Video coding using pixel-streams |
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JP2003242717A (ja) * | 2002-02-19 | 2003-08-29 | Sanyo Electric Co Ltd | 記録再生装置 |
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2005
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-
2006
- 2006-09-28 EP EP06255034A patent/EP1770704A3/en not_active Withdrawn
- 2006-09-28 KR KR1020060094763A patent/KR101291474B1/ko not_active IP Right Cessation
- 2006-09-29 US US11/529,868 patent/US8275473B2/en not_active Expired - Fee Related
- 2006-09-30 CN CN2006101463843A patent/CN1941144B/zh not_active Expired - Fee Related
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JP2009075280A (ja) * | 2007-09-20 | 2009-04-09 | Nippon Hoso Kyokai <Nhk> | コンテンツ再生装置 |
JP2014048477A (ja) * | 2012-08-31 | 2014-03-17 | Toshiba Alpine Automotive Technology Corp | 音声再生装置および音声再生方法 |
Also Published As
Publication number | Publication date |
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US8275473B2 (en) | 2012-09-25 |
CN1941144B (zh) | 2011-07-13 |
KR101291474B1 (ko) | 2013-07-30 |
KR20070037355A (ko) | 2007-04-04 |
CN1941144A (zh) | 2007-04-04 |
EP1770704A3 (en) | 2012-04-25 |
EP1770704A2 (en) | 2007-04-04 |
US20070179649A1 (en) | 2007-08-02 |
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