WO2000035194B1 - Method for encoding multiple audio streams - Google Patents
Method for encoding multiple audio streamsInfo
- Publication number
- WO2000035194B1 WO2000035194B1 PCT/US1999/029140 US9929140W WO0035194B1 WO 2000035194 B1 WO2000035194 B1 WO 2000035194B1 US 9929140 W US9929140 W US 9929140W WO 0035194 B1 WO0035194 B1 WO 0035194B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- audio
- encoded
- recited
- stream
- audio streams
- Prior art date
Links
- 230000003111 delayed effect Effects 0.000 claims 3
- 230000005236 sound signal Effects 0.000 claims 2
Classifications
-
- 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
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- 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
-
- 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
- G11B2220/2545—CDs
-
- 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
- H04N9/80—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
- H04N9/8227—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 the additional signal being at least another television signal
-
- 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
- H04N9/8233—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 the additional signal being a character code signal
Abstract
A method and system is provided to allow the encoding and playing back of encoded one or more still pictures or video streams with multiple sound streams and overlay graphics and/or text information, thereby allowing a medium (e.g. compact disc) to be encoding with a large number of audio information (e.g. songs). In particular, a still picture and multiple sound streams are encoded in such a manner that upon playback of the sound streams the still picture is displayed for all audio information (e.g. songs). The OGT information can be optionally encoded or encoded and optionally displayed to provide subtitle or guidance in sing-along situations. By minimizing the amount of video data to be stored on a medium such as a compact disc, a huge amount of audio information (and therefore songs) can be stored on a single compact disc. Alternatively, at least one video stream can be encoded with multiple audio streams and optional OGT information. In this manner, upon replay, the single video stream is displayed with a variety of audio streams and the corresponding OGT information. This method minimizes the amount of video information that needs to be stored on the storage medium and thereby allowing a tremendous amount of audio information to be stored on a medium such as a compact disc.
Claims
1. A method for encoding information on a physical medium, comprising the steps of: providing a medium for recording and playback; and recording encoded information including an encoded video stream and a plurality of encoded audio streams on a track formed on said medium, said encoded information being paπitioned into a plurality of packs each having an associated packet of said encoded video stream and an associated packet of each of said audio streams.
2. A method as recited in claim 1 wherein each of said packs is recorded on a portion of said track and wherein said packets of an associated pack are laid out sequentially on said track.
3. A method as recited in claim 1 wherein said audio streams include a first audio stream and a second audio stream, and wherein said second audio stream is delayed a predetermined time period relative to said first audio stream.
4. A method as recited in claim 3 wherein said predetermined time period of is substantially equal to an amount of time required to read one of said packets.
5. A method as recited in claim 3 wherein said predetermined time period is greater than said amount of time required to read one of said packets.
6. A method as recited in claim 1 wherein said medium is a compact disc.
7. A method as recited in claim 6 wherein said compact disc is encoded using the VCD standard.
8. A method as recited in claim 1 wherein said video stream represents a still picture.
9. A method as recited in claim 1 wherein said video stream represents a video clip.
10. A method as recited in claim 1 wherein each of said audio streams encodes one or more songs.
1 . A disc formatted by recording encoded information includmg an encoded video stream and a plurality of encoded audio streams on a track formed on said disk, said encoded information being partitioned into a plurality of packs each having an associated packet of said encoded video stream and an associated packet of each audio stream.
12. A method for decoding information encoded on a physical medium, comprising the steps of: reading from a selected track of a physical medium; reading packs of said track; identifying the content of each pack, each pack having one or more packets; identifying video packets for a video stream from said packs and audio packets for a plurality of audio streams from said packs; and selecting packets of said video stream and at least one of said audio streams for playback.
13. A method as recited in claim 12 wherein each packet of each of said audio streams includes an associated header field identifying the associated audio stream.
14. A method as recited in claim 13 wherein each of said header fields provides for differentiating between said plurality of audio streams.
15. A method as recited in claim 12 wherein said audio streams include a first audio stream and a second audio stream wherein said second audio stream is delayed relative to said first audio stream.
16. A method as recited in claim 5 wherein said audio streams include a third audio stream wherein said third audio stream is delayed relative to said second audio stream.
17. A method as recited in claim 12 wherein said medium is a compact disc.
18. A method as recited in claim 17 wherein said compact disc is encoded using the VCD standard.
19. A system for decoding information including at least one video stream and a plurality of audio streams recorded on a physical medium, comprising: a media reading unit operative to read encoded information stored on a physical medium, the encoded information including an encoded video stream and a plurality of encoded audio streams recorded on a track formed on the physical medium, the encoded information being partitioned into a plurality of packs each having an associated packet of said encoded video stream and an associated packet of each of said audio streams, said media reading unit being operative to generate an encoded information signal indicative of the encoded information; a decoder responsive to said encoded information signal, and operative to identify packets associated with a selected video stream and packets associated with a selected audio stream for playback, said decoder being operative to generate audio signals based on said selected audio stream and being operative to generate a video signal based on said selected video stream; a display unit responsive to said video signal and operative to provide a video display; and a speaker unit responsive to said audio signals and operative to generate sound.
20. A system for decoding information as recited in claim wherein said packets include a header operative to differentiate five or more different audio streams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000587531A JP2004511113A (en) | 1998-12-11 | 1999-12-07 | How to encode multiple audio streams |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20979298A | 1998-12-11 | 1998-12-11 | |
| US09/209,792 | 1998-12-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2000035194A1 WO2000035194A1 (en) | 2000-06-15 |
| WO2000035194B1 true WO2000035194B1 (en) | 2000-08-17 |
| WO2000035194A9 WO2000035194A9 (en) | 2003-01-23 |
Family
ID=22780299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1999/029140 WO2000035194A1 (en) | 1998-12-11 | 1999-12-07 | Method for encoding multiple audio streams |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004511113A (en) |
| WO (1) | WO2000035194A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596564A (en) * | 1993-10-08 | 1997-01-21 | Matsushita Electric Industrial Co., Ltd. | Information recording medium and apparatus and method for recording and reproducing information |
| DE69318038T2 (en) * | 1993-10-29 | 1998-10-29 | Toshiba Kawasaki Kk | RECORDING MEDIUM THAT CAN PROCESS DIFFERENT LANGUAGES AND PLAYBACK DEVICE |
| EP0788104B1 (en) * | 1995-08-21 | 1999-02-24 | Matsushita Electric Industrial Co., Ltd. | Multimedia optical disk capable of preserving freshness of image content for long time and its reproduction apparatus and method |
-
1999
- 1999-12-07 WO PCT/US1999/029140 patent/WO2000035194A1/en active Application Filing
- 1999-12-07 JP JP2000587531A patent/JP2004511113A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000035194A1 (en) | 2000-06-15 |
| JP2004511113A (en) | 2004-04-08 |
| WO2000035194A9 (en) | 2003-01-23 |
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