JP2001243753A - Audio system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the work burden when a desired music to be subjected to sound recording is selected and is subjected to sound recording while music contents are checked. SOLUTION: When a scan play key 62 is depressed, a control section 68 controls a CD reproducing section 11 to successively reproduce the introduction segment of each piece of the music recorded on a CD 1 and outputs the music from a speaker 40. When a single music dubbing key 64 is pushed by a user who decides the music to be his or her desired music during the course of reproduction of the introduction segment of the certain music, the control section 68 controls the CD reproducing section 11 to start reproduction from the top of the certain music and simultaneously controls an MD recording section 51 to record the reproduced music as a novel track to a recordable MD 41. When the reproduction to the last of the certain music ends thereafter, the control section 68 controls the MD recording section 51 to stop the sound recording.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio system, and particularly to a recording medium in which a plurality of audio signals are recorded, searching for a desired recording target music while reproducing and listening to a part of each music, and recording. The present invention relates to an audio system suitable for performing

[0002]

2. Description of the Related Art One of CDs on which a plurality of music pieces are recorded is one.
Alternatively, there may be a case in which a plurality of desired music pieces are searched for and recorded on a recording medium such as a recordable MD (mini disc) or a cassette tape which is also used for recording and reproduction. At this time, in order to reliably select the desired music piece to be recorded, it is necessary to actually play and listen to the music piece by piece. Specifically, a CD player,
A speaker and an MD recorder are connected to an audio amplifier, and a CD player first presses a play key to start reproduction from the beginning of the first music, listens to the head of the first music for a while, and determines whether or not the music is a desired music. If it is not the desired song, the user presses the song feed key to search for the beginning of the second song, starts playback, listens to the beginning of the second song for a while, and determines whether or not the song is the desired song. If the song is not the desired song, the user further presses the song feed key to search for the beginning of the third song, and then starts playback, and listens to the intro portion of each song in order.

When the user listens to the intro part of the n-th song and determines that the n-th song is the desired song, the user presses the song return key to search for the beginning of the n-th song and then starts playback.
At the same time, press the Rec (REC) key on the MD recorder,
Start recording. After that, when playback is completed to the end of the nth song, press the Rex top key of the MD recorder,
Stop recording the nth song. The CD player then proceeds to (n
Since the reproduction of the (+1) th music is continued, the head of the (n + 1) th music is listened for a while, and it is determined whether or not the music is the desired music. If it is not the desired song, the song feed key is pressed to search for the beginning of the (n + 2) song, then the reproduction is started, and the beginning of the (n + 2) song is listened for a while to determine whether the song is the desired song. If it is not the desired song, the user further presses the song feed key to search for the beginning of the (n + 3) song and then starts playback, so that the intro portion of each song is listened to in order.

[0004] Then, listening to the intro portion of the m-th song, if it is determined that the m-th song is the desired song, the user presses the song return key to search for the beginning of the m-th song, and then starts playback.
At the same time, press the Rec (REC) key on the MD recorder,
Start recording. After that, when playback is completed to the end of the nth song, press the Rex top key of the MD recorder,
Stop recording the nth song. Hereinafter, by repeating the same operation, a desired recording target song is selected and recorded while listening to music.

[0005]

However, as described above, in order to listen to the music contents by playing back a part of each music included in the CD and select the desired music to be recorded, a music forwarding operation is required. Therefore, the operation of returning the music, the operation of recording, the operation of stopping recording, and the like must be repeated many times, which is a burdensome operation for the user. An object of the present invention is to provide an audio system capable of reducing a work load when a desired target song is selected and played back or recorded while checking the song content in view of the above-described problem of the related art. .

In an audio system according to a first aspect of the present invention, in an audio system including a reproducing unit for reproducing a recording medium on which a plurality of audio signals are recorded, a scan reproduction instructing unit for instructing a scan reproduction,
One-song reproduction instructing means for instructing one-song reproduction, and when scan reproduction is instructed, the reproducing means is controlled so that each of the music pieces recorded on the recording medium is partially played back.
When music reproduction is instructed, a reproduction control means for reproducing from the beginning of the certain music to the end of the certain music is provided. According to the audio system of the first aspect, when scan reproduction is instructed, each piece of music recorded on the recording medium is reproduced one by one. During playback of a certain song, the user who has listened to the song determines that the song is the desired song, and
When music reproduction is instructed, the music is reproduced from the head of the music to the end of the music. With this, the user can actually listen to each song recorded on the recording medium, select a desired playback target song or recording target song, and play back or record the entire song with a simple operation. . According to a second aspect of the present invention, in the system according to the first aspect, when a scan reproduction is instructed, the reproduction control means controls the reproduction means to reproduce each piece of music recorded on the recording medium one by one. If the playback of one tune is instructed during the playback of the tune, the tune is played from the beginning of the tune to the end of the tune, and then the unplayed tunes recorded on the recording medium are again reproduced one by one again. The feature is that it is made to be. According to the audio system of the second aspect,
When one tune is instructed during the reproduction of a tune, after the tune is reproduced from the beginning of the tune to the end of the tune, the unplayed tunes recorded on the recording medium are re-partitioned one by one again. Will be played. As a result, the user can actually listen to each of the remaining songs, select a desired playback target song or recording target song without fail, and play or record the entire song. According to a third aspect of the present invention, in the system according to the first aspect, when the scan reproduction is instructed, the reproduction control means controls the reproduction means to reproduce the intro portion of each music recorded on the recording medium. It is characterized by having done. According to the audio system of the third aspect, when scan reproduction is instructed, the intro portion of each music piece recorded on the recording medium is reproduced. This allows
The user can easily determine whether or not the song is a favorite song, or when the music of the song to be played back or the song to be recorded is known in advance, the song corresponding to the song to be played back or recorded by listening to the intro part It is possible to easily determine whether or not to perform. According to a fourth aspect of the present invention, there is provided an audio system including: a reproducing unit that reproduces a recording medium on which a plurality of audio signals are recorded; and a recording unit that records an audio signal output from the reproducing unit on a predetermined recording medium. In the system, scan playback instructing means for instructing scan playback, one song dubbing instructing means for instructing one song dubbing, and when scan playback is instructed, controls the playback means to play each song recorded on the recording medium. When one piece of dubbing is instructed during the reproduction of a certain piece of music, the reproduction is started by returning to the beginning of the certain piece of music, and the recording means is controlled to start recording. And dubbing control means for stopping the recording by controlling the recording means when the reproduction of the music reaches the end. According to the audio system of the fourth aspect, when scan reproduction is instructed,
Each piece of music recorded on the recording medium is reproduced one by one. During the reproduction of a certain song, if the user who has listened to the song decides that the song is a desired recording target song and instructs dubbing of one song,
Returning to the beginning of the certain song, reproduction is started and recording is started. Thereafter, when the song is reproduced to the end, the recording is stopped. This allows the user to simply listen to each song recorded on the recording medium and select the desired song to be recorded without mistake by simply performing a scan playback instruction operation and a one-track dubbing instruction operation. You can record. According to a fifth aspect of the present invention, in the system according to the fourth aspect, when a scan reproduction is instructed, the dubbing control means controls the reproduction means to reproduce a part of each music recorded on the recording medium. If dubbing of one song is instructed during the playback of the song, the program returns to the beginning of the certain song and starts playback, and controls the recording means to start recording. Thereafter, playback is continued until the end of the certain song. When proceeding, the recording means is controlled to stop recording, and thereafter, the reproducing means is controlled to reproduce a part of each unrecorded music recorded on the recording medium again. According to the audio system of the fifth aspect, when one song dubbing is instructed during the playback of a certain song, the playback returns to the beginning of the certain song and the recording starts. Thereafter, when the song is reproduced to the end, the recording is stopped. Thereafter, each piece of music that has not yet been played back recorded on the recording medium is reproduced part by part again. As a result, the user can actually listen to each of the remaining songs, select the desired song to be recorded without fail, and record the entire song. According to a sixth aspect of the present invention, in the system according to the fourth aspect, the dubbing control means controls the reproducing means when the scan reproduction is instructed so as to reproduce the intro part of each music recorded on the recording medium. It is characterized by having done. According to the audio system of the sixth aspect, when the scan reproduction is instructed, the intro portion of each music piece recorded on the recording medium is reproduced. This makes it easy for the user to judge whether or not the song is a favorite song, or when the music of the song to be recorded is known in advance, whether listening to the intro portion corresponds to the song to be recorded is easy. Can be determined.

[0007]

FIG. 1 is a block diagram showing a configuration of an audio system according to a first embodiment of the present invention. Reference numeral 1 denotes a CD (compact disc) in which audio signals and subcodes for n pieces of music are digitally multiplex-recorded, and the recording position for each piece of music is recorded in the innermost lead-in area in absolute time (A-time; Absolute-time). TOC (Table)
Of Contents) Information is recorded. Reference numeral 10 denotes a CD player. Of these, reference numeral 11 denotes a CD reproducing unit that reproduces the CD1 and outputs an audio signal, and also has a function of reading a subcode. Reference numeral 12 denotes a CD loading unit which loads a CD 1 inserted from the outside of the CD player through an insertion slot (not shown) and loads the CD 1 into the CD reproducing unit 11 or unloads the CD 1 loaded into the CD reproducing unit 11 to the external unit. Or to be discharged. The CD loading section 12 is provided with a CD insertion detection section 13 for detecting the insertion of the CD 1 and outputting a CD insertion detection signal.

Reference numeral 14 denotes a TOC information storage unit for temporarily storing TOC information read from the lead-in area of the CD 1;
Reference numeral 5 denotes an operation unit for performing various key operations for a CD.
A scan play (SCAN PLAY) key 16 for instructing a scan reproduction which is a selective reproduction of only a part (here, an intro part) of each music recorded in the tune, and the user performs the scan reproduction of a certain music during the scan reproduction. 1 song playback (ONE TRA) to instruct playback of the entire song
(CK PLAY) key 17, place top (PLAY STOP) key 18 for instructing reproduction stop, CD
1 is provided with a CD eject key 19 for instructing ejection of 1. Reference numeral 20 denotes a control unit having a microcomputer configuration. The control unit 20 performs search control, playback control, playback stop control for the CD playback unit 11, and C
The loading / unloading control for the D loading unit 12 is performed. Also, the control unit 20 is a CD
The TOC information reading control for the reproducing unit 11 is performed. A
-OUT21 is an audio output terminal connected to the output side of the CD reproducing unit 11.

An audio amplifier 30 has an audio input terminal A-IN 31 connected to an audio output terminal A-OUT 21 of the CD player 10. A power amplifier 32 for performing power amplification is connected to the audio input terminal A-IN31, and the output side of the power amplifier 32 is connected to a speaker 4 via a speaker output terminal SP-OUT33.
0 is connected. Also, audio input terminals AI
The record output terminal R-OUT34 is connected to N31.

Reference numeral 41 denotes a recordable MD for recording / reproduction, 50
Numeral denotes an MD recorder. Of these, an MD recording unit 51 causes the recordable MD 41 to record an audio signal input from the audio amplifier 30 in track units. During recording, the MD recording unit 51 has a function of outputting an address indicating a recording position of the recordable MD 41 to a control unit described later. The MD recording unit 51 reads UTOC (User Table Of Contents) information including recording position information (start address and end address) in track units recorded in the UTOC area of the recordable MD 41, and reads UTOC information into the UTOC area. Or to record. An MD loading unit 52 loads a recordable MD 41 inserted from the outside of the MD recorder through an insertion port (not shown) and loads it into the MD recording unit 51, or unloads the recordable MD 41 loaded into the MD recording unit 51. Loading and discharging to the outside. The MD loading section 52 has a recordable MD 41
Is inserted, an MD insertion detection unit 53 that detects this and outputs an MD insertion detection signal is provided.

Reference numeral 54 denotes a UT for temporarily storing UTOC information read from the UTOC area of the recordable MD 41.
An OC information storage unit 55 is an operation unit for performing various key operations for the MD. More specifically, a recording (REC) key 56 for instructing recording on the recordable MD 41 and an instruction for stopping recording are provided. Rex Top (REC STO)
P) key 57, and an MD eject key 58 for instructing ejection of the recordable MD 13. Reference numeral 59 denotes a control unit having a microcomputer configuration, which performs recording control and recording stop control for the MD recording unit 51 and performs loading / unloading control for the MD loading unit 52 in accordance with an operation on the operation unit 55. The UTOC information reading control and the UTOC information recording control for the MD recording unit 51 are performed.

FIGS. 2 and 3 are flowcharts showing the control processing of the control section 20 of the CD player, FIG. 4 is a flowchart showing the control processing of the control section 59 of the MD player, and FIGS. 5 and 6 are the recording contents and intro of the CD 1. FIG. 7 is an explanatory diagram of the scan reproduction operation, and FIG. 7 is an explanatory diagram of the recorded contents of the recordable MD 41. Hereinafter, the recording operation of the audio system of FIG. 1 will be described with reference to these drawings.
CD1 is not loaded in the CD reproducing unit 11 in advance, and the MD
It is assumed that the recording unit 51 has not been loaded with the recordable MD 41.

(1) Loading of CD and MD After the power of the CD player 10 is turned on, when the user inserts the CD 1 desired to be recorded, the CD insertion detecting section 13 outputs a CD insertion detection signal, and the control which inputs the signal is performed. Part 2
0 indicates that CD1 has been inserted, and the CD loading unit 1
2 to load the CD 1 to control the CD playback unit 11
(Steps S10 and S11 in FIG. 2). Subsequently, the CD playback unit 11 is controlled to read and input the TOC information recorded in the lead-in area, and temporarily stores the TOC information in the TOC information storage unit 14 (step S12). Where C
D1 is a track M1 to M7 with track numbers 1 to 7.
Is recorded (see FIGS. 5 and 6).

After the power of the MD recorder 50 is turned on, when the user inserts the recordable MD 41 used as the recording destination of the desired music, the MD insertion detecting section 53 outputs an MD insertion detection signal, and the control section which receives the signal inputs the signal. 59 determines that the recordable MD 41 has been inserted, and controls the MD loading unit 52 to load the recordable MD 41 and load it into the MD recording unit 51 (step S4 in FIG. 4).
0, S41). Subsequently, the MD recording unit 51 is controlled, and the UT
The UTOC information recorded in the OC area is read and input, and is temporarily stored in the UTOC information storage unit 54 (step S42). Here, the loaded recordable MD4
If 1 is a blank disk, the UTOC information has no track on which recording position information is recorded (see FIG. 7A).

(2) Intro scan playback (no playback of one song; see FIG. 5) When the user wants to actually listen to each song recorded on the CD 1 and check what song, the scan play key 16 of the operation unit 15 is operated. Press. Then, the control unit 20 determines that the scan reproduction has been instructed, and first, the CD reproduction unit 11
It is checked whether it has been loaded (steps S13, S14). Y
ES, the TOC stored in the TOC information storage unit 14
Referring to the information, the minimum track number is N _MIN and the maximum track number is N among all the tracks included in CD1.
_MAX . Here, N _MIN = 1 and N _MAX = 7 (step S15). Next, i indicating the playback target track
The N _{MI N} = 1 and the after (step S16), and obtains the start position of the track M1 is a reference to the first song TOC information stored in TOC information storage unit 14 (see A in FIG. 5), CD The reproduction unit 11 is controlled to search for the head position of the track M1 of CD1 (step S20 in FIG. 3). After the search is completed, the CD playback unit 11 is controlled to start playback from the beginning of the track M1 (step S21). Subsequently, a timer for measuring the time of 8 seconds is started (step S22), and the timer expires, or the one-song playback key 17 or the place top key 18 of the operation unit 15 is operated.
Is pressed (steps S23 to S25). If the user does not particularly operate the keys, the user can listen to the music in the intro portion of the track M1 output from the speaker 40 for eight seconds.

After starting reproduction from the beginning of the track M1, 8
After the elapse of the second, the timer times out, so the control unit 20 determines YES in step S23. Since i has not yet reached N _MAX (step S2
NO), i is incremented to 2 (step S27), and then the TOC stored in the TOC information storage unit 14 is read.
The head position (see B in FIG. 5) of the second song, track M2, is obtained by referring to the C information, and the CD reproduction unit 11 is controlled to search for the head position of the track M2 of CD1 (step S20). After the search is completed, the CD playback unit 11 is controlled to start playback from the beginning of the track M2 (step S21). Subsequently, a timer for measuring eight seconds is started (step S22). If the user does not particularly operate the keys, the track M2 output from the speaker 40
You can listen to the music in the intro section for 8 seconds.

After reproduction is started from the beginning of the track M2, 8
After the elapse of the second, the timer times out, so the control unit 20 determines YES in step S23. Since i has not yet reached N _MAX (step S2
(NO in step 6), i is incremented to 3 (step S27), and the CD playback unit 11 is controlled to
After searching for the head position (see C in FIG. 5) of the track M3, which is the second tune, reproduction is performed for eight seconds from the head of the track M3 (steps S20 to S25). In the same manner, the fourth to seventh tracks M4 to M7 are similarly headed in sequence (see D, E, F, and G in FIG. 5).
From the beginning for 8 seconds. And track M
After starting reproduction from 7 beginning of the timer elapses 8 seconds is timed up, i is the control unit 20 because it reaches the N _MAX is determined YES in step S26, the control and reproducing operation of the CD player 11 Stop (step S2
8).

As described above, when the scan play key 16 is pressed after the CD 1 is inserted, only the intro portion of each music recorded on the CD 1 is automatically scanned and reproduced in order (see FIG. 5). While listening to the intro part of the song, you can easily understand what the song is. When the user wants to stop the reproduction operation during the intro scan reproduction operation, the user presses the place top key 18 of the operation unit 15. Then, the control unit 20 determines YES in step S24 of FIG.
The CD reproducing section 11 is controlled to stop the reproducing operation (step S28).

(3) Reproduction and Recording of One Song During Introscan Reproduction (See FIGS. 6 and 7) For example, when listening to the intro portion of the track M3 by introscan reproduction, the track M3 is changed to a song of your choice. If it is found that the track M3 matches the content of the song previously played back or recorded, and it is desired to play back the entire song on the track M3, the playback of the intro portion of the track M3 (i = 3 ), Operation unit 1
5 is pressed. Then, the control unit 20 determines YES in step S25, determines that the reproduction of the entire song has been instructed for the song currently being played back in the intro, and controls the CD reproduction unit 11 to control the track M of the CD1.
3 is searched (step S29). After the search is completed, the CD playback unit 11 is controlled to start playback from the beginning of the track M3 (see C in FIG. 5) (step S).
30. See FIG. 6). During playback, the CD playback unit 11 outputs the subcode read from the CD 1 to the control unit 20. On the other hand, the control unit 20 determines whether the place top key 18 has been pressed during playback (step S20).
31), by comparing the absolute time in the subcode input from the CD reproduction unit 11 with the TOC information stored in the TOC information storage unit 14, the end of the track M3 (D in FIG. 5).
(See step S3).
2) Unless the place top key 18 is pressed, the reproduction is continued to the end of the track M3. This allows
The whole music of the track M3 is output again from the speaker 40 (see FIG. 6).

If the user wants to record the track M3, after pressing the one-song reproduction key 16 during the intro scan reproduction of the track M3, the operation unit 5 of the MD recorder 50 is started at the timing when reproduction from the beginning of the track M3 starts.
5 may be pressed. Then, assuming that recording has been instructed, the control unit 59 first checks whether the recordable MD 41 has been loaded in the MD recording unit 51 (steps S43 and S44 in FIG. 4). If NO, the process proceeds to step S52, but here YES, the control unit 59 refers to the UTOC information stored in the UTOC information storage unit 54 and checks whether there is an empty area in the user area of the recordable MD41. (Step S
45). If NO, the process proceeds to step S52, but here, the entire area from the start address a to the end address z of the user area is a free area and becomes YES (FIG. 7 (1)).
reference). At this time, the start address (= a) of the free area of the recordable MD 41 is obtained, and is added to the UTOC information storage unit 54 as the start address of the track of the track number 1 to be newly recorded (step S4).
6). Then, the MD recording unit 51 is controlled to record (record) the audio signal of the track M3 of the CD1 input via the audio amplifier 30 from the address a in the user area of the recordable MD 41 (step S4).
7, see FIG. 7 (2)). During recording, the MD recording unit 51 detects an address indicating the current recording position of the recordable MD 41, and outputs the address to the control unit 59.

During recording, the control unit 59 stores the address indicating the current recording position input from the MD recording unit 51 in U
Recordable MD41 by collating with TOC information
It is checked whether or not there is no free area, and whether the Rex top key 57 has been pressed on the operation unit 55 (steps S48 and S49). After that, 3 of CD1
When the rex top key 57 is pressed at the timing when the reproduction is completed up to the end of the track M3 of the music (see D in FIG. 5), the control unit 59 determines that the stop of the recording has been instructed and the latest recording input from the MD recording unit 51. The UTOC information storage unit 54 uses an address indicating the position (this is assumed to be b) as the end address of the track of track number 1.
(Steps S49 and S50), and also controls the MD recording unit 51 to stop recording the audio signal (step S51). As a result, M3 is recorded on the recordable MD 41 as the track with the track number 1 (see FIG. 7 (2)).

On the other hand, on the CD player 10 side, when the reproduction to the end of the track M3 is completed, the control section 20
Determines YES in step S32 of FIG.
Proceeding to 26, introscan reproduction is performed again in the same manner as described above for the fourth and subsequent tunes recorded on CD1 and not yet reproduced.

After that, by listening to the intro part of the track M7 by intro scan reproduction, it is understood that the track M7 is the tune of one's liking, or the content of the tune is originally known, and it is previously set as a reproduction target or a recording target. When it is determined that the track M7 matches the selected track, and the user wants to play back the entire music on the track M7 as well, during the playback of the intro portion of the track M7 (i = 7), the one-track playback key 17
Press. Then, the control unit 20 determines YES in step S25 of FIG. 3 and controls the CD reproducing unit 11 to search for the head position (see G in FIG. 5) of the track M7 of CD1. The reproduction is started from the beginning (steps S29 and S30). Unless the place top key 18 is pressed during the reproduction, the reproduction is continued until the end of the track M7 (see H in FIG. 5). As a result, the whole music of the track M7 is output again from the speaker 40 (see FIG. 6).

When the user wants to record the track M7, he presses the one-track playback key 16 during the intro scan reproduction of the track M7, and then presses the REC key 56 at the timing when the reproduction from the beginning of the track M7 starts.
Then, the control unit 59 confirms that the recordable MD 41 has been loaded in the MD recording unit 51 and that there is still a free area, and then refers to the UTOC information stored in the UTOC information storage unit 54 to check the free area. 7 (see FIG. 7 (2)), and adds it to the UTOC information storage unit 54 as the start address of the track of track number 2 to be newly recorded (steps S43 to S46 in FIG. 4). (See FIG. 7 (2)).
Then, it controls the MD recording unit 51 and controls the audio amplifier 3
Then, the audio signal of the track M7 of the CD1 input through 0 is recorded (recorded) from the address c of the user area of the recordable MD41 (step S47).
During recording, the MD recording unit 51 detects an address indicating the current recording position of the recordable MD 41 and controls the control unit 5.
9 is output.

During recording, the control unit 59 sets the address indicating the current recording position input from the MD recording unit 51 to UT.
It is checked whether there is no free space in the recordable MD 41 by collating with the OC information and whether the Rex top key 57 has been pressed on the operation unit 55 (steps S48 and S49). Thereafter, when the rex top key 57 is pressed at the timing when the reproduction is completed up to the end of the track M7 of the CD1 (see H in FIG. 5), the control section 59 issues an address (this indicates the latest recording position input from the MD recording section 51). Is added to the UTOC information storage unit 54 as the end address of the track with the track number 2 (step S50), and the MD recording unit 51 is controlled to stop recording the audio signal (step S51). As a result, the recordable MD41
Means that M7 has been recorded as the track of track number 2 (see FIG. 7 (2)).

On the other hand, on the CD player 10, when the reproduction to the end of the track M7 is completed, the control section 20
Determines YES in step S32 of FIG.
The process proceeds to step 26, but since the answer is YES here, the CD reproducing unit 11 is controlled to stop the reproducing operation (step S2).
8).

When the user wants to remove the CD 1 from the CD player 10, the user presses the CD eject key 19 of the operation unit 15 while the reproduction of the CD 1 is stopped. Then
The control unit 20 determines YES in step S17 of FIG. 2 and checks whether a CD is loaded in the CD reproducing unit 11 (step S18). If YES, the CD loading unit 1
2 to unload CD1 and discharge it to the outside (step S19). In addition, recordable MD
When it is desired to take out the MD 41 from the MD recorder 50, the operation unit 55 is operated while the recording of the recordable MD 41 is stopped.
Is pressed. Then, the control unit 59 determines YES in step S52 of FIG. 4 and checks whether the MD is loaded in the MD recording unit 51 (step S53). If YES, the control unit 59 controls the MD recording unit 51 and sets the UTOC information storage unit. After recording the UTOC information stored in the UTOC area of the recordable MD 41 (see FIG. 7 (2)), the MD loading unit 52 is unloaded to discharge the recordable MD 41 to the outside (step S2). S54, S55).

According to this embodiment, the CD player 1
When the 0 scan play key 16 is pressed to instruct scan reproduction, a part of each music recorded on the CD 1 is reproduced for 8 seconds. Then, during the playback of a part of a certain song, when the user who has heard the song for the first time is a favorite song and wants to play the entire song, or when the user originally knows the song content, If it is determined that the song matches the song desired to be recorded, the one-song playback key 17 is pressed to instruct playback of one song, and the song is played from the beginning to the end of the song. Thus, the user can listen to each song recorded on the CD 1 with simple operations, select a desired song without mistake, and play back the entire song. By pressing the rec key 56 on the MD player 50 side to instruct recording, and pressing the rex top key 57 at the end of the reproduction of the desired song to instruct the stop of recording, the desired song is definitely easily recorded. It can also be done. In addition, in accordance with an instruction to play back one tune while a part of a certain tune is being reproduced, when the reproduction from the beginning of the certain tune to the end of the certain tune is completed, each unrecorded tune recorded on CD1 is deleted. It is played back part by part again. This allows the user to actually listen to each of the remaining songs and select a desired playback target song or recording target song without fail and play the entire song,
Can be recorded. In addition, when scan reproduction is instructed, the intro portion of each tune recorded on CD1 is reproduced, so that the user can easily determine whether or not the tune is a favorite tune. When the music of the music to be recorded is known, it is possible to easily determine whether or not the music corresponds to the music to be reproduced or the music to be recorded by listening to the intro part.

FIG. 8 is a block diagram showing a configuration of an audio system according to a second embodiment of the present invention.
The same components as those described above are denoted by the same reference numerals. Reference numeral 60 denotes an audio device, such as a CD player, an MD recorder,
Combines the functions of an audio amplifier. Reference numeral 61 denotes an operation unit for performing various key operations, and is a scan play (SC) for instructing a scan reproduction as a selective reproduction of only a part (here, an intro part) of each music piece recorded on the CD 1.
AN PLAY) key 62, a scan stop (SCAN STOP) key 63 for instructing stop of scan reproduction,
One-track dubbing (O) for the user to instruct dubbing of the entire tune for a certain tune during scan reproduction of a certain tune
NE TRACK DABBING) key 64, one song dubbing stop (DABBING STOP) key 65 for instructing stop of dubbing of one song, CD eject key 66 for instructing ejection of CD1, and instructing ejection of recordable MD41. MD eject key 67. Reference numeral 68 denotes a control unit having a microcomputer configuration.
, Search control, reproduction stop control, recording control and recording stop control for the MD recording unit 51, and loading / unloading control for the CD loading unit 12 and the MD loading 52. Further, it controls the TOC information reading for the CD reproducing unit 11 and the UTOC information reading control and the UTOC information recording control for the MD recording unit 51. The other components in FIG. 8 are configured exactly as in FIG.

FIGS. 9 and 10 are flowcharts showing the control processing of the control unit 68. The recording operation of the audio equipment shown in FIG. 8 will be described below with reference to these figures. In advance, CD1 is not loaded in the CD reproducing unit 11,
It is assumed that no recordable MD 41 is loaded in the MD recording unit 51. (1) Loading of CD and MD After the power of the audio device 60 is turned on, when the user inserts the CD 1 desired to be recorded from a CD insertion slot (not shown), C
The D insertion detection unit 13 outputs a CD insertion detection signal, and the control unit 68 that has received the signal determines that the CD 1 has been inserted, and controls the CD loading unit 12 to load the CD 1 and load it into the CD reproduction unit 11. (Steps S60 and S61 in FIG. 9). Subsequently, the CD playback unit 11 is controlled to read and input the TOC information recorded in the lead-in area, and temporarily stores the TOC information in the TOC information storage unit 14 (step S62). Here, it is assumed that tracks M1 to M7 of track numbers 1 to 7 have been recorded on CD1 (see FIGS. 5 and 6).

When the user inserts a recordable MD 41 used as a recording destination of a desired song from an MD insertion slot (not shown), the MD insertion detection section 53 outputs an MD insertion detection signal, and the control section 68 which has received the signal inserts an MD insertion detection signal. It is determined that the recordable MD 41 has been inserted, and the MD loading unit 5
2 to load the recordable MD 41 and load it into the MD recording unit 51 (steps S63 and S6).
4). Subsequently, the MD recording unit 51 is controlled to read and input the UTOC information recorded in the UTOC area,
Temporarily store in the OC information storage unit 54 (step S6)
5). Here, assuming that the loaded recordable MD 41 is a blank disc, the recordable MD 4
1 are all free areas, and the UTOC
There is no track on which the recording position information is recorded in the information (see FIG. 7A).

(2) Intro scan playback (no dubbing of one song; see FIG. 5) When the user actually listens to each song recorded on CD1 and wants to confirm what song, the scan play key 62 of the operation unit 61 is operated. Press. Then, the control unit 68 determines that scan reproduction has been instructed, and first, the CD reproduction unit 11
It is checked whether it has been loaded (steps S66, S67). Y
ES, the TOC stored in the TOC information storage unit 14
Referring to the information, the minimum track number is N _MIN and the maximum track number is N among all the tracks included in CD1.
_MAX . Here, N _MIN = 1 and N _MAX = 7 (step S68). Next, i indicating the playback target track
The N _{MI N} = 1 and the after (step S69), obtains the start position of the track M1 is a reference to the first song TOC information stored in TOC information storage unit 14 (see A in FIG. 5), CD The reproduction unit 11 is controlled to search the head position of the track M1 of the CD1 (step S80 in FIG. 10).
After the search is completed, the CD playback unit 11 is controlled to control the track M1.
Is started from the beginning (step S81). Subsequently, a timer for measuring eight seconds is started (step S82), and the timer is timed up or the one-track dubbing key 64 or the scan top key 63 of the operation unit 61 is pressed (step S83). ~ S8
5). If the user does not particularly operate the keys, the speaker 4
The music in the intro part of the track M1 output from 0 can be heard for 8 seconds.

After the reproduction is started from the beginning of the track M1, 8
After the elapse of the second, the timer times out, so the control unit 68 determines YES in step S83. Since i has not yet reached N _MAX (step S8)
6 is NO), i is incremented to 2 (step S87), and the TOC stored in the TOC information storage unit 14 is
The head position (see B in FIG. 5) of the second music track M2 is determined by referring to the C information, and the CD reproducing unit 11 is controlled to search for the head position of the track M2 of CD1 (step S80). After the search is completed, the CD playback unit 11 is controlled to start playback from the beginning of the track M2 (step S81). Subsequently, a timer for measuring eight seconds is started (step S82). If the user does not particularly operate the keys, the track M2 output from the speaker 40
You can listen to the music in the intro section for 8 seconds.

After the reproduction is started from the beginning of the track M2, 8
After the elapse of the second, the timer times out, so the control unit 68 determines YES in step S83. Since i has not yet reached N _MAX (step S8)
(NO in step 6), i is incremented to 3 (step S87), and the CD playback unit 11 is controlled to
After searching for the head position (refer to C in FIG. 5) of the track M3, which is the second tune, reproduction is performed for eight seconds from the head of the track M3 (steps S80 to S85). In the same manner, the fourth to seventh tracks M4 to M7 are similarly headed in sequence (see D, E, F, and G in FIG. 5).
From the beginning for 8 seconds. And track M
After starting reproduction from 7 beginning of, the elapsed timer times 8 seconds, i is the control unit 68 because it reaches the N _MAX is determined YES in step S86, the control and reproducing operation of the CD player 11 Stop (Step S8)
8).

As described above, when the scan play key 62 is pressed after the CD 1 is inserted, only the intro portion of each music recorded on the CD 1 is automatically scanned and reproduced in order (see FIG. 5). While listening to the intro part of the song, you can easily understand what the song is. When the user wants to stop the playback operation during the intro scan playback operation, the user presses the scan top key 63 of the operation unit 61. Then, the control unit 68 determines YES in step S84 of FIG. 10, and controls the CD reproducing unit 11 to stop the reproducing operation (step S88).

(3) Dubbing One Song During Introscan Playback (See FIGS. 6 and 7) For example, when listening to the intro portion of the track M3 by introscan playback, it is found that the track M3 is a favorite song of the user. When it is understood or matches the song that was previously recorded, and it is desired to dub the entire song on the track M3, during playback of the intro portion of the track M3 (i = 3), one of the operation units 61 The song dubbing key 64 is pressed. Then, the control unit 68 determines YES in step S85 of FIG. 10 and determines that the reproduction of the entire tune is currently instructed for the tune currently being reproduced in the intro, and first checks whether the recordable MD 41 is already loaded in the MD recording unit 51. (Step S89) If NO, the process returns to Step S83, but here, since YES, the control unit 68 sends the UT stored in the UTOC information storage unit 54.
Referring to the OC information, it is checked whether there is an empty area in the user area of the recordable MD 41 (step S).
90). If “NO”, the process returns to the step S83, but here, since the entire area is from the start address “a” to the end address “z” of the user area (see FIG. 7A), the result is YES. At this time, the head address (= a) of the empty area is obtained,
From now on, it is added to the UTOC information storage unit 54 as the start address of the track of the track number 1 to be newly recorded (step S91).

Then, the CD playback unit 11 is controlled to
Of the track M3 (see FIG. 5C) (step S92), and after completion of the search, the CD playback unit 11
To start reproduction from the beginning of the track M3 (step S93). Subsequently, the MD controller 51 controls the MD recording unit 51 to read the track M of the CD 1 input from the CD reproducing unit 11.
The audio signal No. 3 is recorded (recorded) from the address a in the user area of the recordable MD 41 (step S94; see FIGS. 6 and 7 (2)). During this dubbing operation, the CD reproducing unit 11 reads the subcode from the CD1 and outputs the subcode to the control unit 68.
Detects the address indicating the current recording position of the recordable MD 41 and outputs it to the control unit 68.

During the dubbing operation of the music on the track M3, the control section 68 operates the dubbing stop key 6 by the operation section 61.
5 and whether the recordable MD 41 has no empty area by comparing the address indicating the current recording position input from the MD recording unit 51 with the UTOC information in the UTOC information storage unit 54.
The absolute time in the subcode input from the CD reproducing unit 11 is checked against the TOC information in the TOC information storage unit 14 to check whether the reproduction has been completed up to the end of the track M3 (see D in FIG. 5) ( Steps S95 to S9
7). As long as the dubbing stop key 94 is not pressed and there is no empty area in the recordable MD 41, dubbing is continued until the end of the track M3. The whole music of the track M3 is output again from the speaker 40.

Thereafter, when the reproduction to the end of the third track M3 of the CD1 is completed, the control section 68 determines YES in step S97, and outputs the address indicating the latest recording position input from the MD recording section 51 (this is b And
Is added to the UTOC information storage unit 54 as the end address of the track having the track number 1 (step S9).
8) Also, the MD recording unit 51 is controlled to stop recording the audio signal (step S99). As a result, the tune of the track M3 of the CD1 is recorded on the recordable MD41 as the track of the track number 1 (see FIGS. 6 and 7 (2)). Thereafter, the control unit 68 proceeds to step S86, and performs introscan reproduction again in the same manner as described above for the fourth and subsequent music pieces that have not yet been reproduced and recorded on CD1.

Track M7 by introscan reproduction
When listening to the intro part of the above, it is found that the track M7 is a favorite song of the user, or it is found that the track M7 matches the song which was previously recorded, and the user wants to dub the entire song of the track M7. During reproduction of the intro part of M7 (i = 7), the one-track dubbing key 64 of the operation unit 61 is pressed. Then, the control unit 68 determines YES in step S85 of FIG. 10 and determines that the reproduction of the entire tune is currently instructed for the tune currently being reproduced in the intro, and first checks whether the recordable MD 41 is already loaded in the MD recording unit 51. (Step S89), so YES
With reference to the UTOC information stored in the TOC information storage unit 54, it is checked whether there is still a free area in the recordable MD 41 (step S90; see FIG. 7 (2)).
If YES, the head address (which is assumed to be c) of the empty area is obtained, and the track number 2 to be newly recorded from now on
Is added to the UTOC information storage unit 54 as the start address of the track (step S91).

Then, the CD playback section 11 is controlled to
Of the track M7 (see G in FIG. 5) (step S92).
To start reproduction from the beginning of the track M7 (step S93). Subsequently, the MD controller 51 controls the MD recording unit 51 to read the track M of the CD 1 input from the CD reproducing unit 11.
The audio signal No. 7 is recorded (recorded) from the address c in the user area of the recordable MD 41 (step S94; see FIGS. 6 and 7 (2)). During this dubbing operation, the CD reproducing unit 11 reads the subcode from the CD1 and outputs the subcode to the control unit 68.
Detects the current recording position of the recordable MD 41 and outputs it to the control unit 68.

During the dubbing operation of the track M7, the control section 68 operates the dubbing stop key 6 by the operation section 61.
It is checked whether 5 has been pressed, whether there is no more free space in the recordable MD 41, and whether playback has been completed up to the end of the track M7 (see H in FIG. 5) (steps S95 to S97). Unless the dubbing stop key 65 is pressed and there is no empty space in the recordable MD 41, dubbing is continued until the end of the track M7. Track M from speaker 40
The entire song No. 7 is output again.

Thereafter, when the reproduction is completed up to the end of the seventh track M7 of the CD1, the control section 68 determines YES in step S97, and inputs the address indicating the latest recording position input from the MD recording section 51 (this is d). And
Is added to the UTOC information storage unit 54 as the end address of the track having the track number 2 (step S9).
8) Also, the MD recording unit 51 is controlled to stop recording the audio signal (step S99). As a result, the tune of the track M7 of the CD1 is recorded on the recordable MD41 as the track of the track number 2 (see FIGS. 6 and 7 (2)). Thereafter, the control unit 68 proceeds to step S86. However, since the result is YES, the control unit 68 controls the CD reproducing unit 11 to stop the reproducing operation (step S88).

If there is no free space in the recordable MD 41 during the dubbing of the track M 7, or if the user presses the dubbing stop key 65, the control unit 68 sets the latest recording position inputted from the MD recording unit 51. Is added to the UTOC information storage unit 54 as the end address of the track with the track number 2 (YES in step S94 or S95, S10
0) Also, after controlling the MD recording unit 51 to stop recording the audio signal (step S101), the process proceeds to step S86.

When the user wants to take out the CD1 from the audio device 60, the operation unit 6 is stopped while the reproduction of the CD1 is stopped.
Press the 1 CD eject key 66. Then, the control unit 68 determines YES in step S70 of FIG. 9 and checks whether a CD is loaded in the CD reproduction unit 11 (step S71). If YES, the control unit 68 controls the CD loading unit 12 to unload the CD1. Is discharged outside (step S72). In addition, recordable MD41
Is pressed from the audio device 60, the MD eject key 67 of the operation unit 61 is pressed while the recording of the recordable MD 41 is stopped. Then, the control unit 68 determines YES in step S73 of FIG.
It is checked whether the MD is loaded in the MD recording unit 51 (step S).
74), if YES, control the MD recording unit 51;
After the UTOC information stored in the TOC information storage unit 54 is recorded in the UTOC area of the recordable MD 41 (see FIG. 7 (2)), the MD loading unit 52 is controlled to unload the recordable MD 41 and It is discharged (steps S75, S76).

According to this embodiment, when the scan play key 62 of the audio device 60 is depressed to instruct scan reproduction, a part of each music recorded on the CD 1 is reproduced for 8 seconds. Then, during the reproduction of a part of a certain song, when the user who has heard the song for the first time is a favorite song and wants to dub the entire song, or when the user originally knows the song contents, When it is determined that the song matches the desired song, the one song dubbing key 64 is pressed to instruct one song dubbing, so that the dubbing is performed from the beginning of the certain song to the end of the certain song. As a result, the user can easily listen to each song recorded on the CD 1, select a desired song without mistake, and dub the entire song by a simple operation. In addition, in accordance with an instruction for dubbing one song while a part of a certain song is being reproduced, when the reproduction from the beginning of the certain song to the end of the certain song is completed, the CD 1
Of each unrecorded tune recorded in the. As a result, the user can actually listen to each of the remaining songs, select a desired recording target song without fail, and dub the entire song. in addition,
When the scan reproduction is instructed, the intro portion of each music recorded on CD1 is reproduced, so that the user can easily determine whether or not the music is a favorite music, or the music of the music to be dubbed can be known in advance. When listening to the intro part, it can be easily determined whether or not the song corresponds to the dubbing target music.

In each of the above-described embodiments, the intro portion of each song is reproduced for 8 seconds in the scan reproduction operation. However, the intro portion may be reproduced for a length of several seconds to 15 seconds. Alternatively, a part of the music other than the intro part may be reproduced for a length of several seconds to about 15 seconds. Further, the recordable MD has been described as an example of the recording medium, but the present invention is not limited to this, and various types such as a cassette tape and a semiconductor memory can be used.

[0048]

According to the present invention, the user can actually listen to each song recorded on the recording medium and select a desired playback target song or recording target song by a simple operation and play back the entire song. Can be recorded or recorded.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an audio system according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing a control process of a control unit of the CD player in FIG. 1;

FIG. 3 is a flowchart showing a control process of a control unit of the CD player in FIG. 1;

FIG. 4 is a flowchart illustrating a control process of a control unit of the MD recorder in FIG. 1;

FIG. 5 is an explanatory diagram of recorded contents of CD1 in FIG. 1 and an intro scan reproduction operation of a CD player.

FIG. 6 is an explanatory diagram of an intro scan reproduction operation of the CD player in FIG. 1;

FIG. 7 is an explanatory diagram of a recording operation of the MD recorder in FIG. 1;

FIG. 8 is a block diagram showing a configuration of an audio system according to a second embodiment of the present invention.

FIG. 9 is a flowchart illustrating a control process of a control unit in FIG. 8;

FIG. 10 is a flowchart illustrating a control process of a control unit in FIG. 8;

[Explanation of symbols]

Reference Signs List 1 CD 10 CD player 11 CD reproducing unit 12 CD loading unit 14 TOC information storage unit 15, 55, 61
Operation unit 16, 62 Scan play key 17 One song playback key 20, 59, 68 Control unit 30 Audio amplifier 32 Power amplifier 40 Speaker 41 Recordable MD 50 MD recorder 51 MD recording unit 52 MD loading unit 54 UTOC information storage unit 56 Rec key 57 Rex top key 60 Audio equipment 64 1 song dubbing key

Claims (6)

[Claims] 1. An audio system including a reproducing means for reproducing a recording medium on which a plurality of audio signals are recorded, a scan reproduction instructing means for instructing a scan reproduction, and a one-song reproduction instructing means for instructing a one-music reproduction. When the scan reproduction is instructed, the reproduction unit is controlled to reproduce each piece of music recorded on the recording medium one by one, and when the reproduction of one music is instructed during the reproduction of a certain music, the reproduction of the certain music is instructed. An audio system, comprising: playback control means for playing back from the beginning to the end of the song. 2. A reproduction control means, when scan reproduction is instructed, controls the reproduction means to reproduce each piece of music recorded on the recording medium one by one, and instructs reproduction of one piece of music while a certain piece of music is being reproduced. Then, the music is played back from the beginning of the certain music to the end of the certain music, and thereafter, each of the music that has not been reproduced yet recorded on the recording medium is reproduced part by part again. The audio system according to claim 1. 3. The reproduction control means, when scan reproduction is instructed, controls the reproduction means to reproduce an intro portion of each music piece recorded on a recording medium. The described audio system. 4. An audio system comprising: a reproducing unit for reproducing a recording medium on which a plurality of music signals are recorded; and a recording unit for recording an audio signal output from the reproducing unit on a predetermined recording medium. Scan reproduction instructing means for instructing reproduction, one-song dubbing instructing means for instructing one-song dubbing, and when scan-reproduction is instructed, the reproducing means is controlled to reproduce a part of each music recorded on the recording medium. If the dubbing of one song is instructed during the playback of a certain song, the program returns to the beginning of the certain song and starts the playback, and also controls the recording means to start recording. An audio system, comprising: dubbing control means for controlling the recording means and stopping the recording when the reproduction has progressed to the maximum. 5. When dubbing control is performed, dubbing control means controls the reproducing means to reproduce each piece of music recorded on a recording medium one by one, and instructs dubbing of one piece of music during reproduction of a certain piece of music. Then, the reproduction is started by returning to the beginning of the certain music and the recording is controlled by controlling the recording means. Thereafter, when the reproduction is advanced to the end of the certain music, the recording is controlled by controlling the recording means. 5. The audio system according to claim 4, wherein the reproduction is stopped, and then the reproduction means is controlled to reproduce each part of the still unreproduced music recorded on the recording medium. 6. The dubbing control means, when a scan reproduction is instructed, controls the reproduction means to reproduce an intro portion of each music piece recorded on a recording medium. The described audio system.