WO2000025300A1 - Appareil de reproduction et appareil d'enregistrement/de reproduction - Google Patents

Appareil de reproduction et appareil d'enregistrement/de reproduction Download PDF

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Publication number
WO2000025300A1
WO2000025300A1 PCT/JP1999/005814 JP9905814W WO0025300A1 WO 2000025300 A1 WO2000025300 A1 WO 2000025300A1 JP 9905814 W JP9905814 W JP 9905814W WO 0025300 A1 WO0025300 A1 WO 0025300A1
Authority
WO
WIPO (PCT)
Prior art keywords
memory
data
unit
playback
segment
Prior art date
Application number
PCT/JP1999/005814
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Nakazawa
Original Assignee
Sony Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corporation filed Critical Sony Corporation
Priority to KR1020007007017A priority Critical patent/KR20010052131A/ko
Publication of WO2000025300A1 publication Critical patent/WO2000025300A1/fr

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Classifications

    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters 
    • 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
    • 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
    • G11B27/007—Reproducing at a different information rate from the information rate of recording reproducing continuously a part of the information, i.e. repeating
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1285—Status of the record carrier, e.g. space bit maps, flags indicating a formatting status or a write permission
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata

Definitions

  • the present invention relates to a playback device and a recording / playback device.
  • the present invention relates to a reproducing apparatus and a recording / reproducing apparatus for selectively reproducing data stored in a memory.
  • the specific sentence will be remembered and no longer required to be listened, or if the specific sentence is deliberately used for learning. If the user does not want to play the sentence, the user must perform a fast forward operation when the sentence is played.o
  • An object of the present invention is to provide a reproducing apparatus and a recording / reproducing apparatus capable of performing effective learning with simpler operations in view of such problems.
  • a memory for storing a plurality of data and management data including at least a flag indicating whether or not the plurality of data can be reproduced, and a reproducing unit for reproducing data read from the memory.
  • An operation unit having an operator for setting a flag indicating whether or not data stored in the memory can be reproduced; and setting a flag in the management data based on an input from the operator, and based on the management data.
  • a control unit for controlling the read operation of the data from the memory and the reproduction operation of the reproduction unit.
  • a second aspect of the present invention is the playback apparatus according to the first aspect of the present invention, wherein the control unit cancels the setting of the management data flag when the operation element is operated again.
  • the operation section further includes an additional operation element for performing a fast-forward or fast-rewind operation, and the control section operates the further operation element from the memory.
  • the control section operates the further operation element from the memory.
  • the operation unit further includes an additional operation element for performing repetitive playback, and the control unit operates the further operation element to read out from the memory.
  • control unit is configured to control the playback unit and the memory so as to be in a pause state after the playback of one piece of data read from the memory is completed.
  • This is a playback device that controls the reading of data.
  • a sixth aspect of the present invention is the playback apparatus according to the first aspect, wherein the memory is detachably provided in the playback apparatus.
  • a memory for storing management data including a plurality of data and a flag indicating whether or not the plurality of data can be reproduced overnight, and reproducing the data read from the memory.
  • a reproduction unit an operation unit having an operation element for setting a flag indicating whether or not data stored in the memory can be reproduced, and a flag set for the management data based on an input from the operation element,
  • a control unit for controlling reading of data from memory and controlling a reproducing operation of the reproducing unit based on the data, and the control unit reproduces the data read from the memory by the reproducing unit.
  • the controller is a reproducing apparatus adapted to unset the flag in the management data when the operator is again operated.
  • the operation unit further includes an additional operation element for performing a fast-forward or fast-rewind operation, and the control unit operates the further operation element from the memory.
  • the operation section further includes an additional operation element for performing repetitive reproduction, and the control section operates the further operation element to read from the memory.
  • the control section operates the further operation element to read from the memory.
  • control unit is configured to control the reproduction unit and the memory so as to be in a pause state after the reproduction of one data read from the memory by the reproduction unit ends.
  • This is a playback device that controls the reading of data.
  • a twelfth aspect of the present invention is the playback apparatus according to the seventh aspect of the present invention, wherein the memory is detachably provided in the playback apparatus.
  • a thirteenth aspect of the present invention provides a signal processing unit that generates recording data based on a signal supplied from a signal source, a detection unit that detects a delimiter based on the supplied signal, A memory for storing management data including a flag indicating whether or not the recorded data can be reproduced, at the same time that the recorded data is written; a reproducing unit for reproducing the data read from the memory; and a memory for storing the data.
  • An operation unit having an operator for setting a flag indicating whether data can be reproduced, and a tube written to the memory based on the detection result from the detection unit
  • a control unit that generates management data, sets a flag in the management data based on input from the operator, and controls readout of data from memory and playback control of the playback unit based on the management data.
  • the control unit reproduces the data read from the memory other than the data for which the flag is set.
  • a fifteenth aspect of the present invention is the recording / reproducing apparatus according to the thirteenth aspect of the present invention, wherein the control unit cancels the setting of the management data flag when the operator is operated again.
  • the operation unit further includes a further operation element for performing a fast-forward or fast-reverse operation, and the control unit operates the further operation element from the memory.
  • a flag is set in the data read from memory.
  • the operation section further includes an additional operation element for performing repetitive reproduction, and the control section operates the further operation element to read out from the memory.
  • the control section operates the further operation element to read out from the memory.
  • the control unit controls the playback unit to be in a pause state after the playback of one piece of data read from the memory by the playback unit ends.
  • This is a recording / reproducing device that controls as well as controls the reading of data from memory.
  • An eighteenth aspect of the present invention is the recording / reproducing apparatus according to the thirteenth aspect of the present invention, wherein the control unit generates and outputs a control signal for controlling the operation of the signal source based on an input from the operation unit.
  • the signal supplied from the signal source is a first channel signal component including at least a signal component that is converted into recording data by a signal processing unit. And a second channel signal component indicating a delimiting portion of the first channel signal component.
  • FIG. 1 is an explanatory diagram of the appearance of the playback device according to the first embodiment of the present invention.
  • FIG. 2 is a block diagram of the configuration of the playback device according to the first embodiment.
  • FIG. 3 is an explanatory diagram of the segment data and management information stored in the memory according to the embodiment.
  • FIG. 4 is an explanatory diagram of a reproducing operation according to the embodiment.
  • FIG. 5 is a flowchart of a process at the time of a reproduction operation according to the embodiment.
  • FIG. 6 is a flowchart of a process at the time of a skip operation according to the embodiment.
  • FIG. 7 is a flowchart of a process at the time of a clear operation according to the embodiment.
  • FIG. 8 is a flowchart of the process at the time of the fast-forward operation of the embodiment.
  • FIG. 9 is a flowchart of a process at the time of the fast rewind operation according to the embodiment.
  • FIG. 10 is a view for explaining the external appearance of the reproducing apparatus according to the second embodiment of the present invention.
  • FIG. 11 is a block diagram of the configuration of the playback device according to the second embodiment.
  • FIG. 12 is an explanatory diagram of the appearance of a playback device according to the third embodiment of the present invention.
  • FIG. 13 is a block diagram of a configuration of a playback device according to the third embodiment.
  • FIG. 14 is an explanatory diagram of a dedicated disk and a general disk used in the third embodiment.
  • FIG. 15 is an explanatory diagram of a dedicated disk partition signal used in the third embodiment.
  • FIG. 16 is a flowchart of a recording process according to the third embodiment.
  • FIGS. Fig. 1 shows an example of the appearance of the playback device of this example.
  • the illustrated playback device 1 is a small and lightweight device suitable for carrying, for example, and has a structure in which a user connects a headphone 20 to the playback device 1 and listens to playback audio output from the playback device 1. .
  • a display unit 2 composed of, for example, a liquid crystal panel is provided.
  • the display 2 shows the operation mode and operation status.
  • a segment is a playback unit that is divided into, for example, about one sentence of a conversational voice. It corresponds to the program referred to in the invention.
  • voices used as teaching materials such as conversational voices are managed and stored in segment units.
  • the playback device 1 is provided with a volume knob 3 so that the user can adjust the volume knob 3 to adjust the volume of the playback sound output from the headphones 20.
  • a plurality of operators for the user to perform playback and other various operations are provided on the housing of the playback device 1. That is, as shown in Fig. 1, these multiple controls are play / pause key 4, stop key 5, fast rewind key 6, fast forward key 7, repeat key 8, display mode key 9, skip key 10 and clear key 11 and so on.
  • Playback Z pause key 4 is a key for instructing playback of a segment.
  • the playback Z pause key 4 is pressed by the user during playback, the playback operation of the segment played back by the playback device 1 is temporarily stopped.
  • the playback pause key 4 is pressed again by the user, the playback of the sentence whose playback has been suspended is resumed.
  • the playback operation by playback device 1 is performed in units of segments, and playback device 1 is automatically paused at the end of segment playback.
  • the play Z pause key 4 when the play Z pause key 4 is pressed, the first segment is played, and the playback device 1 is in a pause state at the end of the playback of the first segment. If the user presses the play / pause key 4 again at that time, the second segment is played, and the playback operation of the playback device 1 is temporarily stopped at the end of the playback of the second segment. In this way, the segment is played back in units of segments. The playback of the segment proceeds in response to the pressing operation of the Z pause key 4, and the user proceeds with learning while checking each segment at his / her own pace. Can go Wear.
  • the playback pause key 4 also functions as a power key.
  • the playback / pause key 4 is pressed from the power-off state, the power of the playback apparatus 1 is turned on, and the playback of the segment is started.
  • the stop key 5 is an operation key for stopping the playback of the segment.
  • the playback device 1 according to the present example, after a playback operation of the segment is stopped, when a predetermined time has elapsed without the operation of the operator by the user, the power of the playback device 1 is automatically turned off.
  • the fast-reverse key 6 and the fast-forward key 7 are operation keys for performing a forward operation with respect to a segment-by-segment playback operation.
  • fast forward key 6 and the fast-forward key 7 are operation keys for performing a forward operation with respect to a segment-by-segment playback operation.
  • segment playback advances to the next or next played segment.
  • the playback position is returned to the beginning of the currently playing segment, and when the fast reverse key 6 is operated continuously, the segment to be played is Is moved back to the segment of the previous pick-up or to the segment that was playing last time.
  • the fast-reverse key 6 or the fast-forward key 7 is being pressed by the user, the segment is fast-forwarded and the fast-reverse operation is continued.
  • the repeat key 8 is an operation key for performing an operation of repeatedly playing back the segment reproduced immediately before. In other words, when repeat key 8 is pressed, playback is repeated from the beginning of the segment that was played immediately before.
  • the previous segment may be repeatedly played in an unlimited number of times according to the operation of the repeat key 8, but in this example, the number of times of the repeated playback by the operation of the repeat key 8 is only once.
  • repeat key 8 If repeat key 8 is pressed again after playing a segment, playback of the next segment is started. For example, if the repeat key 8 is operated continuously immediately after the playback of the first segment, The operation is as follows: repeat playback of the 1st segment ⁇ playback of the 2nd segment — repeat playback of the 2nd segment — playback of the 3rd segment — repeat of the 3rd segment O Regeneration-Reproduction proceeds like o
  • the display mode key 9 is an operation key for switching the display state of the display unit 2.
  • the skip key 110 and the clear key 11 are operators for setting and canceling a skip flag described later.
  • a specific operation may be substituted by another operation element. For example, if the skip key 10 is not provided and the stop key 5 and the display mode key 9 are pressed at the same time, the operation becomes a skip flag setting operation.
  • the headphone jack 20 is connected to the headphone jack 14 described above. That is, by connecting the plug 20 P of the headphone 20 to the headphone jack 14, the stereo or monaural analog playback audio signal output from the playback device 1 is reduced. Supplied to the phone 20 and output as audio.
  • FIG. 2 shows the internal configuration of the playback device 1.
  • the control unit 21 is composed of a microcomputer and controls the operation of the entire playback device 1.
  • the operation unit 22 is composed of various operators 4 to 11, and operation input information as a result of operating these operators 4 to 11 is supplied to the control unit 21.
  • the control unit 21 executes a required control operation corresponding to the operated operator according to the input operation input information and the operation program stored in the internal ROM. That is, the playback operation corresponding to the operated operator The switching operation of the operation and the display operation on the display unit 2 is executed.
  • the memory 26 is composed of, for example, a semiconductor memory, and the storage area of the memory 26 stores, for example, audio data such as English conversation teaching material which is managed in segments as described above.
  • the memory 26 also stores management information for managing these audio data.
  • the control unit 21 When performing the segment reproducing operation, the control unit 21 reads out predetermined audio data from the memory 26 with reference to the management information in the memory 26.
  • the memory 26 stores the audio signal as a segment as audio data compressed by a predetermined compression encoding process. For this reason, the audio data read from the memory 26 is subjected to decompression and decompression for compression in the decoder 31.
  • the digital signal decoded by the decoder 31 is supplied to the DZA converter 24 and converted into an analog audio signal.
  • the analog audio signal output from the DZA converter 24 is subjected to amplification, impedance adjustment, level adjustment, and the like in an audio circuit 25, and is supplied to a headphone jack 14.
  • the analog audio signal is supplied to the headphone 20 connected to the headphone jack 14 and the reproduced audio is output from the headphone 20.
  • the volume output from the headphone 20 is adjusted by adjusting the variable resistor connected to 3.
  • the control unit 21 When the power of the playback device 1 is on, the control unit 21 displays the elapsed playback time, the number of the segment, and the like on the display unit 2 in accordance with the operation status such as the playback operation of the segment. For this purpose, the control unit 21 supplies display data for displaying the time and the segment number to the display drive unit 23.
  • the display drive unit 23 drives the display unit 2 in accordance with the supplied display data, and operates in the playback operation mode and during playback. Display the number etc.
  • FIGS. 3 (a) and 3 (b) show the memory configuration of the memory in memory 26.
  • FIG. 3 (a) schematically shows the storage area of the memory 26 as addresses A0 to An2.
  • a specific storage area of the memory 26 for example, a storage area starting with address A0 is set as a management area, and management information is stored.
  • audio data as main data is stored as segments SG # l to SG # n.
  • One segment is, for example, audio data corresponding to one sentence constituting a conversation.
  • one conversational teaching material is formed from the segments SG # 1 to SG #n.
  • the storage capacity of the memory 26 is, for example, 1 Mbyte (8 Mbits).
  • main data (segment SG # 1) serving as a conversational teaching material is stored.
  • ⁇ SG # n) can store about three minutes of audio data when it is actually played back, for example, over a monaural audio file.
  • FIG. 3B shows an example of management information stored in the management area.
  • this management information a skip flag, a start address, an end address, and character data are stored in correspondence with each segment naming.
  • the storage location of the segment memory 26 is managed by the start address and the end address.
  • the first segment SG # 1 is stored in addresses A11 to A12 as shown in FIG. 3 (a), which is shown in FIG.
  • the start address of the first segment SG # 1 is managed as A11 and the end address is managed as A12.
  • Other segment SG # 2 Same as 1.
  • control unit 21 refers to the management information stored in the management area of the memory 26 to determine the start address and the end address of each segment, and to store the required segment memory. Read from 26 Z Playback operation can be executed.
  • character data corresponding to the sound of each segment is stored in the management information.
  • the control unit 21 reads out the character data corresponding to the segment and supplies it to the display drive unit 23 when the segment is reproduced.
  • the character corresponding to the sound being reproduced can be displayed on the display unit 2.
  • the display unit 2 may display a segment name or the like.
  • the management information is provided with a storage area for storing a skip flag corresponding to each segment.
  • the initial state of this skip flag is “1”, while when the flag setting operation is performed, the skip flag is changed or rewritten to “0”. In other words, “0” means that the skip flag described below is set.
  • the skip flag is used when the user determines that a certain segment is not required to be played.
  • the skip key 1 described above is used when the segment is already memorized. It is set by operating 0.
  • each time the play Z pause key 4 is pressed the segments are played back and automatically paused as described above. That is, the user can sequentially play the segments stored in the memory 26 by pressing the play Z pause key 14. Wear.
  • Fig. 4 (a) shows the case where the user performs a playback operation (arrow PB) with the skip flag set to "1" for all segments, that is, without setting the skip flag.
  • Segment PB 1 plays segment SG # 1 strongly, and playback pauses when segment SG # 1 finishes playing.
  • the user operates the skip keys 10 of the segments SG # 2, SG # 4, and SG # 5.
  • the setting of the skip flag is performed, for example, by operating the skip key 10 while the display unit 2 is displaying the segment number to be skipped. That is, the skip flag of the skip pick-up displayed on the display unit 2 is changed from “1” to “0”.
  • control unit 21 for realizing the above-described reproduction operation
  • FIG. 5 shows a process when the playback Z pause key 14 is operated from the power-off state, and thereafter, the playback Z pause key 14 or the repeat key 8 is operated.
  • step F101 When the playback no pause key 4 is pressed from the power-off state, the control unit 21 advances the processing from step F101 to F102, performs power-on processing, and executes step F1.
  • step F105 the process proceeds to step F105 to reproduce the segment SG # m.
  • the playback of the segment SG # m is completed, the playback is paused in step F106.
  • step Fl10 When the play / pause key 4 is pressed by the user, the variable m is incremented in step Fl10, and the process returns to step F104. That is, the skip flag is checked for the next segment as the segment SG #m, and if the skip flag is not set, that is, if the skip flag is “1”, the process proceeds to step F105. Plays the segment next to segment SG # m. For example, the segment stored in the memory 26 when the skip flag is not set for all the segments as shown in FIG. It is executed repeatedly.
  • step F104 it is determined in step F104 that the skip flag has been set.
  • step F110 the variable m is incremented, and step F110 is executed again.
  • step 4 after the variable m has been incremented, the skip flag of the segment is checked.
  • the segment for which the skip flag is set is not reproduced because the variable m is updated to the next segment number without proceeding to step F105.
  • the user determines that the segment is unnecessary and sets the skip flag. Playback does not start automatically even if no operation is performed. In other words, the segment is treated as if it does not exist, and the operation of the user is greatly simplified.
  • step F 109 the operation point is immediately after the repeat playback. Is determined.
  • step F105 If it is not immediately after the replay, the process returns to step F105, and the segment SG # m is reproduced. In other words, the segment SG # m reproduced immediately before that is played back repeatedly.
  • step F110 if it is immediately after the repeat playback, the variable m is incremented in step F110, and through the determination in step F104, the variable m is incremented.
  • Step F105 the next segment (segment without the skip flag set) is played.
  • the repeat key 8 is continuously operated after the reproduction of a certain segment, the repeat reproduction of the segment reproduced immediately before is performed. Play the next segment—repeat the next segment—play the next segment—play the next segment repeat, and so on. Advances.
  • variable m may be set to 1 to shift to the playback of the first segment, or the data may be stored in the memory 26.
  • the operation of the playback Z pause key 14 may be invalidated assuming that the playback of all the stored segments has been completed.
  • stop key 5 is operated during the playback of a segment or during a playback process such as repeat playback, the power is turned off when the playback of the segment is completed or the playback process is terminated. Is done.
  • step F105 if the play / pause key 4 is pressed during playback in step F105, the playback is paused, so-called pause mode, and the play / pause key 4 is pressed again to stop the playback. The playback operation of the segment will be restarted.
  • the skip key 10 is operated.
  • step F201 when the skip key 10 is operated, the processing of the control section 21 proceeds from step F201 to F202 in FIG. 6, and a state in which a certain segment is selected first. Confirm whether or not.
  • the state in which the segment is selected means, for example, when a certain segment SG # m is being reproduced by the above variable m, or when the reproduction is completed and paused in the processing of step F106. Indicates the status.
  • step F203 sets or change the information skip flag to “0”.
  • the skip flag of segment SG # m is set in the management information of memory 26.
  • the user can clear all the skip flags set in the management information of the memory 26 by pressing the clear key 1 1 o
  • step F301 If the clear key 11 is pressed by the user, the processing of the control unit 21 proceeds from step F301 to step F302 in FIG. 7 and skips all the management information of the management area of the memory 26.
  • the user operates the fast-forward key 7 or the fast-reverse key 6 during playback or pause of steps F105 and F106 in Fig. 5 as described above. In some cases.
  • step F402 of step F401 in FIG. 8 increments the variable m, and In step F403, the skip flag is checked for the segment SG #m. If the fast-forward key 7 is not operated in step F401, the standby state is established until the fast-forward key 7 is operated, or the controller 21 performs a playback operation including a fast-forward operation. It is in a standby state waiting for the operation of.
  • step F404 the process waits for a predetermined time (for example, set to about 2 to 3 seconds) in step F404, and if the fast-forward key 7 is not operated again during that time. Proceed to step F105 in FIG. 5 to reproduce segment SG # m.
  • a predetermined time for example, set to about 2 to 3 seconds
  • the fast-forward key 7 may be operated continuously, in which case the fast-forward operation is detected again in step F405 during the waiting time in step F404, and the stepping is performed again.
  • the variable m is incremented and the skip flag is checked in step F403, and then the process proceeds to step F404.
  • the fast-forward key 7 is operated three times continuously while the segment SG # 1 is being played or paused, the segment SG # 4 is played.
  • the skip flag force is applied to a certain segment as shown in Fig. 4 (b). If it is set, when the variable m becomes the segment number, it does not proceed from step F 4 03 to step F 4 04, but the variable m is linked again in step F 4 02. It is reset.
  • the segment for which the skip flag is set is not played back for the segment for which the skip flag is set. For example, in FIG. 4 (b), the segment SG # 1 is being played back. If the fast forward key 7 is operated once during pause, segment SG # 3 is played. For example, if the fast forward key 7 is operated twice continuously during playback or pause of segment SG # 1, segment SG # 6 will be played.
  • step F501 of FIG. 9 the control unit 21 advances the process from step F501 of FIG. 9 to step F502, and first determines whether or not the fast-return key operation is performed continuously. Wait for a predetermined time (for example, about 2 to 3 seconds) to confirm the operation. If the fast-rewind key 6 is not operated again during that time, the process proceeds to step F105 in FIG. Perform playback. In other words, in this case, the segment that is currently being played back, or that has been completed and paused, will be played back from the beginning. If no operation is performed in step F501, the control unit 21 enters a standby state until the rewind key 6 is operated. The control unit 21 performs other playback operations including the rewind operation. It enters a standby state waiting for the operator to perform the operation.
  • a predetermined time for example, about 2 to 3 seconds
  • step F505 the skip flag of the segment SG #m is checked. If the skip flag of the segment SG #m is not set, wait for a predetermined time in step F502, and if the fast-forward key 7 is not operated again during that time, wait for a predetermined time in step F502. If the fast-forward key 7 is not operated again during that time, the flow advances to step F105 in FIG. 5 to reproduce the segment SG #m.
  • the segment for which the skip flag is set is handled as if there is no segment, thereby simplifying the user operation.
  • segments are played according to the number of times the fast-forward key 7 or the fast-reverse key 6 is operated. If a fast-forward or fast-reverse operation is performed during processing, only the increment or decrement of the variable m is performed as processing, and the processing actually starts playback. , Playback Z Pause key 4 may be pressed.
  • the update of the audio data as a segment of the memory 26 may not be mentioned, but if the segment is added to the memory 26 as a segment. If there is no means to write the voice of the subject, only one type of voice data can be provided as a segment, which is a teaching material.
  • the memory 26 can be constituted by a memory having a very large storage capacity and can store a very large number of teaching materials, there is no particular problem. Since any one of the teaching materials is selected and played back, the data as the teaching materials must be stored in the memory 26 from the outside when the playback device 1 is used. For this reason, although not described, it is necessary to be able to load the teaching material data into the memory 26 by some kind of interface means. However, in this case, it may be necessary to transcribe the data of the teaching materials into the memory 26 every time the teaching materials are replaced.
  • the user corresponds to the user's favorite by configuring a portion corresponding to the memory 26 with a removable memory card 50 as shown in FIG. It allows you to select teaching materials.
  • a memory card 50 a variety of teaching materials such as English conversation beginner, English conversation intermediate, English conversation advanced, German conversation ...
  • the user obtains a memory card containing the teaching material he / she wants to study by purchasing it and mounting it on the playback device 1A.
  • the reproducing apparatus 1A has a memory slot 15 into which a memory card 50 is inserted and mounted.
  • Fig. 11 shows an example of the internal configuration.
  • the playback device shown in Fig. 2 is a block diagram illustrating an example of the internal configuration.
  • the playback device shown in Fig. 2 is a block diagram illustrating an example of the internal configuration.
  • the playback device shown in Fig. 2 is a block diagram illustrating an example of the internal configuration.
  • the playback device shown in Fig. 2 is a block diagram illustrating an example of the internal configuration.
  • a memory card drive 27 is provided to enable access to the memory card 50 installed in the memory slot 15.
  • the same portions as those of the playback apparatus 1 shown in FIG. 2 are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • the memory card 50 includes the management information and the segment as shown in FIG.
  • the control unit 21 enables reproduction of each segment, sets a skip flag for a certain segment in accordance with the operation of the skip key 110 of the user, It is possible to perform a process that does not reproduce the segment for which the skip flag is set.
  • the playback device 1B according to the third embodiment is not a playback device in a strict sense because it has a recording system, but is a recording / playback device. explain.
  • This example connects an external playback device, for example, a disc player. By doing so, it is possible to rewrite the segment data as the teaching material stored in the memory 26 inside the playback device 1B.
  • a medium on which audio for a teaching material is recorded is provided as a disc such as an optical disc, and the user reproduces the teaching material recorded on the disc with a disc player 80 and plays back the playback device.
  • the material can be recorded in the memory 26 inside 1B, and the learning material can be learned on the playback device 1B.
  • a recording key 12 and an operation mode key 13 are further provided. I have.
  • the recording keys 1 and 2 are keys for instructing recording of audio data such as educational materials reproduced by the disc player 80, and the operation mode keys 13 and 13 are operation modes and playback modes. This key is used to switch in recording mode.
  • connection code 70 is prepared for connecting the disc player 80 and the playback device 1B.
  • the connection code 70 is provided with a connector section 71 having an audio terminal section 72 and a control terminal section 73 formed at both ends.
  • the playback device 1B is provided with a connector jack 16 for connecting the connector portion 71.
  • the connector section 71 is connected to a so-called headphone remote control terminal 81, and the audio terminal section 72 is reproduced by the disc player 80, usually a headphone.
  • the analog audio signal output to the playback device 1B is supplied, and the control signal can be exchanged with the playback device 1B at the control terminal unit 73.
  • the headphone remote control terminal 81 is connected to the headphone 20 with a remote control port provided in the middle of the connection code of the headphone 20 as shown in Fig. 12.
  • the control terminal unit 73 has a power supply terminal, a ground terminal, a display data terminal, and a command terminal.
  • Fig. 13 shows the internal configuration of the playback device 1B. Note that the same parts as those in FIG.
  • the example shown in FIG. 13 differs from the reproducing apparatus shown in FIG. 2 in that the example shown in FIG. 13 has a recording system for the audio signal from the disc player 80 and a command interface system.
  • the disc player 80 is connected to the connector jack 16 of the playback device 1B via the connection code 70.
  • the audio terminals 72 are supplied with analog audio signals (AA (L), AA (R)) of L and R stereo reproduced and output by the disc player 80.
  • AA (L), AA (R) analog audio signals
  • a predetermined compression process is performed in a compression encoder 28.
  • the compressed data output from the compression encoder 28 is supplied to the control unit 21 as recording data D REC, and written into the memory 26 as segment data.
  • the R channel analog audio signal A A (R) is
  • the detection signal is supplied to 0, and the detection operation of the separation signal described later is performed.
  • the detection result is notified to the control unit 21.
  • the controller 21 and the controller in the disc player 80 mutually transmit / receive command / display data via the control terminal 73.
  • the track number data reproduced by the disc player 80 is transmitted as display data to be displayed on the display unit 2, or the control unit 21 is transmitted to the disc player 80.
  • Command to instruct the playback operation of the disc player 80 Send CMD.
  • music is recorded on a disc in units called “tracks”. That is, in the case of music, one song is managed and recorded as one track.
  • each of the tracks T K # 1 to T K # 6 becomes one music piece.
  • it is not limited to music.
  • a series of conversational voices may be recorded as a single track, for example, in English conversation teaching materials.
  • each track is recorded with stereo audio data as L channel and R channel as shown in Fig. 14 (c). ing.
  • the reproducing apparatus 1B of the present embodiment the reproducing apparatus of the first embodiment
  • the storage capacity of the memory 26 is, for example, about three minutes for compressed audio data, for example, monaural audio, and therefore one segment is a unit of digital data having a very short playback time length. For example, if one sentence and one segment of conversational voice are
  • the playback time of the unit is from several seconds to about 10 seconds.
  • a dedicated disk for recording the teaching material on the playback device 1B is prepared.
  • a conversational voice is recorded on the L channel in one track, and the conversational audio is separated.
  • the R channel The delimiter signal Q is recorded in the
  • the delimiter signal Q is a signal (audio signal) in which a 10 kHz sine wave signal is recorded three times at intervals of 0.1 sec. It is inserted at the timing immediately before the start of one sentence.
  • the delimiter signal Q indicates the delimiter timing of the segment when the teaching material audio recorded on the L channel of the dedicated disc is recorded in the memory 26 in the playback device 1B.
  • the control unit 21 sets the timing at which a delimiter signal is obtained, and sets the state of the audio to be recorded in the segmented state, as shown in Fig. 3 (b) '.
  • the delimiter signal Q may be special audio data that is unlikely to occur in ordinary music or audio, and is not limited to the audio signal shown in FIG.
  • the dedicated disc is a disc in which the teaching material audio is recorded on the L channel and the delimiting signal Q is recorded on the R channel, and one track constitutes one teaching material.
  • the dedicated disc track TK # 1 has the content of an elementary English conversation course
  • the track ⁇ # 2 has the content of an intermediate English conversation course. Is recorded in the memory 26 of the playback device 1.
  • the playback time of one track is a length that can be stored in the memory 26, for example, 3 minutes or less.
  • the delimiter signal Q recorded in the R channel of the track is determined by the delimiter detector 30 At timing, the data recorded in memory 26 is divided into segments.
  • the skip flag can be set so that the segments judged to be unnecessary are not reproduced.
  • control unit is used to reproduce the sound used as teaching materials from the disc mounted on the disc player 80 and record it in the memory 26.
  • the playback device 1B When the playback device 1B is connected to the disc player 80 with the connection code 70 and the user sets the recording mode with the operation mode key 13, the user's recording key is set. In response to the operation of 12, the reproduction on the disc player 80 and the recording process on the reproducing device 1B are started. In this recording process, since the control unit 21 controls the operation of the disc player 80, the user only needs to perform the operation on the playback device 1B side.
  • step F6 the processing of the control unit 21 proceeds to step F6.
  • step F602 a command CMD is first issued to cause the disc player 80 to set the output level to a predetermined level.
  • the output level is first specified in the recording process.
  • the recording key 1 2 for setting the recording mode in step F601 is operated. Otherwise, it goes into the recording standby state.
  • step F603 the disc player 80 is made to execute access to the head of the track to be reproduced.
  • the track to be played back on the disc player must be selected by the user before operating the record keys 1 and 2.
  • This selection operation is performed using the fast forward key 7 and the fast reverse key 6 of the playback device 1B. That is, when the fast forward key 7 and the fast reverse key 6 are operated in the recording mode, the control unit 21 regards the operations as a track selection operation on the disc player 80, and the disc player 8 At 0, a command is issued to specify the increment / decrement of the track picker to be played.
  • step F604 a command is issued to the disc player 80 so as to start reproduction of the specified track.
  • the disc player 80 starts the disc playback operation, and the reproduced stereo audio signals of the L and R channels are input from the connector jack 16.
  • control unit 21 first confirms the detection result of the division detection unit 30 based on the signal of the R channel, and confirms whether or not the division signal Q is detected from the R channel audio signal at the start of reproduction. I do.
  • Fig. 14 (a) shows the disk being played on the disk player 80.
  • step F606 if it is determined that a general disc is being played, the process proceeds to step F606 to stop the recording process.
  • step F607 the L channel is set. Starts recording of the input audio signal. That is, the audio signal of the L channel is converted into a digital signal by the A / D converter 29, then subjected to compression processing by the compression encoder 28, and stored in the memory 26.
  • step F608 the reproduction of the track on the disk player 80 is waited for, and in step F609, the delimiting signal Q based on the R channel signal is output.
  • Monitor o the reproduction of the track on the disk player 80 is waited for, and in step F609, the delimiting signal Q based on the R channel signal is output.
  • step F611 when the reading of the data of the last address of the track selected by the user is completed and the reproduction of the selected track is completed, the process proceeds to step F611, and the L channel audio signal is output.
  • the recording process is terminated, and the management information shown in FIG. 3 (b) is generated in step F612.
  • the audio data for one track recorded in the memory 26 is divided into segments by the delimiter setting held in step F610.
  • management information as shown in Fig. 3 (b) is generated. Specifically, the timing when the separation signal Q is detected
  • the address where the voice data that was just input is stored is set as the start address of each segment.
  • the end address is the address immediately before the start address of the next segment.
  • the track as a certain teaching material recorded from the disc is similar to the case of the first embodiment described above, as shown in FIG.
  • the data is stored in the memory 26 in a segmented state.
  • the control unit 21 performs the operations shown in FIGS.
  • reproduction is performed in segment units, as in the example of the first embodiment, and reproduction is performed for segments for which the skip flag is set. Will be omitted
  • the user recorded a large number of teaching materials as tracks ⁇ ⁇ # 1 to ⁇ ⁇ # ⁇ . If you purchase a special disc, you can select the teaching material you want to learn, record it on the playback device 1 ⁇ , and learn using the playback device 1 ⁇ . If one teaching material (track) is about 3 minutes long, the disc can record 74 minutes of audio, so a single dedicated disc can have, for example, about 25 pieces. Since the teaching materials can be recorded, various learning can be performed by the user only by obtaining one dedicated disk.
  • a silence detection unit is provided, and a section where there is no sound for a predetermined time (for example, about 2 to 5 seconds) as an input audio signal is determined as a segmentation point, and the segmentation point is determined. May be divided o
  • a control for instructing segment division by the user may be further provided, and the user may press the control at a required timing while monitoring the audio signal during recording.
  • the control unit 21 to which the operator for segmentation is pressed is recognized as the segment division point of the data to be recorded at the operation timing, and the recorded data is segmented. It may be divided into several points.
  • segment divisions are for enabling the skip flag function in particular, and there is no need to perform the segment division when the skip flag function is not used. For example, if the track playback sound as a song is recorded in the memory 26 and the player 1 B wants to listen to the song repeatedly, there is no need to perform segment division.
  • the teaching material is recorded from a disc player.
  • the teaching material is recorded on another type of media such as a CD (compact disc), and the recording is performed from there. It is also possible to do this.
  • the reproducing apparatus and the recording / reproducing apparatus of the present invention provide a skip flag corresponding to the program. Is set. At the time of reproduction, reproduction is executed for a program for which the skip flag is not set. In other words, playback proceeds in a state where the program with the skip flag set is omitted. Therefore, if the user performs a flag setting operation on a program that does not need to be played back, the program will not be played back even if the fast forward operation is not performed in the playback timing of the program. The operation can be simplified and the user can concentrate on the reproduced sound. Therefore, it is very suitable for a learning device.
  • the skip flag set for such a program can be cleared according to the operation, that is, a program that has been set so as not to be played back can be returned to a state where it is played back later. . Therefore, a program that has been set to the playback skip state can be played back even if you do not want to play it back later.For example, as a learning device, it is also possible to reconfirm the remembered sentence Becomes

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrically Operated Instructional Devices (AREA)

Abstract

L'invention concerne un appareil de reproduction comprenant une mémoire (26) dans laquelle les données et au moins les données de gestion comprennent des drapeaux indiquant la possibilité (ou éventuellement l'impossibilité) de reproduire et de stocker les données, une unité de reproduction (25), une unité de fonctionnement (22) munie d'un opérateur destiné à mettre le drapeau indiquant la possibilité (ou éventuellement l'impossibilité) de reproduire les données stockées dans la mémoire (26) et une unité de commande (21) destinée à ajouter un drapeau dans les données de gestion conformément aux entrées de l'opérateur et pour commander la lecture des données depuis la mémoire (26) en fonction des données de gestion, ainsi que pour assurer la reproduction par l'unité de reproduction (25), l'unité de commande permettant à l'unité de reproduction (25) de reproduire uniquement les données lues dans la mémoire (26) et ne comportant pas de drapeau.
PCT/JP1999/005814 1998-10-23 1999-10-21 Appareil de reproduction et appareil d'enregistrement/de reproduction WO2000025300A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020007007017A KR20010052131A (ko) 1998-10-23 1999-10-21 재생장치 및 기록재생장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10/302284 1998-10-23
JP10302284A JP2000132951A (ja) 1998-10-23 1998-10-23 再生装置

Publications (1)

Publication Number Publication Date
WO2000025300A1 true WO2000025300A1 (fr) 2000-05-04

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JP (1) JP2000132951A (fr)
KR (1) KR20010052131A (fr)
CN (2) CN1516183A (fr)
WO (1) WO2000025300A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100582953B1 (ko) * 2002-06-05 2006-05-23 엘지전자 주식회사 기록매체의 기록 스트림 관리방법
WO2005101824A1 (fr) * 2004-04-14 2005-10-27 Pioneer Corporation Enregistreur d’information et procédé d’enregistrement, reproducteur d’information et procédé de reproduction, programme d’enregistrement d’information et programme de reproduction
JP2008198306A (ja) * 2007-02-15 2008-08-28 Matsushita Electric Ind Co Ltd 情報記録再生装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63282798A (ja) * 1987-05-14 1988-11-18 三洋電機株式会社 音声録音再生装置の動作制御回路
JPS63305398A (ja) * 1987-06-05 1988-12-13 株式会社東芝 音声記憶装置
JPH06168000A (ja) * 1992-11-30 1994-06-14 Matsushita Electric Ind Co Ltd 情報記録再生装置
JPH0717000U (ja) * 1993-08-30 1995-03-20 三洋電機株式会社 録音再生装置
JPH09128000A (ja) * 1995-10-31 1997-05-16 Sanyo Electric Co Ltd 音声録音再生装置及び再生方法
JPH09259595A (ja) * 1996-03-21 1997-10-03 Olympus Optical Co Ltd デジタル音声記録再生装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63282798A (ja) * 1987-05-14 1988-11-18 三洋電機株式会社 音声録音再生装置の動作制御回路
JPS63305398A (ja) * 1987-06-05 1988-12-13 株式会社東芝 音声記憶装置
JPH06168000A (ja) * 1992-11-30 1994-06-14 Matsushita Electric Ind Co Ltd 情報記録再生装置
JPH0717000U (ja) * 1993-08-30 1995-03-20 三洋電機株式会社 録音再生装置
JPH09128000A (ja) * 1995-10-31 1997-05-16 Sanyo Electric Co Ltd 音声録音再生装置及び再生方法
JPH09259595A (ja) * 1996-03-21 1997-10-03 Olympus Optical Co Ltd デジタル音声記録再生装置

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CN1291325A (zh) 2001-04-11
CN1134760C (zh) 2004-01-14
CN1516183A (zh) 2004-07-28
KR20010052131A (ko) 2001-06-25
JP2000132951A (ja) 2000-05-12

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