JPS61172289A - Audio signal reproducing device - Google Patents

Abstract

PURPOSE:To reproduce always an audio signal from a desired part by muting the reproduced output until desired inter-music information is detected during retrieval of a desired program. CONSTITUTION:When a program search instruction is inputted from an operating part 24, an area is designated by a system controller 25, and a capstan control circuit 20 forwards fast or rewinds a tape 1 in an n-fold speed. When the desired area is detected during the program search operation, running of the tape 1 is stopped, and the operation of a muting circuit 55 is released, and the tape is run in the normal speed in the same direction as recording to obtain the reproduced signal. Running of the tape 1 is inverted if the running direction of the tape 1 is equal to that for recording during this retrieval, but reproducing is performed after stopping the tape 1 if said running direction is opposite, and the reproduced output is muted until desired inter-music information is obtained again.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field> The present invention relates to an audio signal reproducing device, and more particularly, the present invention relates to an audio signal reproducing device, and more particularly, the present invention relates to an audio signal reproducing device that reproduces an audio signal from a recording medium in which inter-song information is recorded together with the audio signal at positions corresponding to the inter-songs of an input audio signal. The present invention relates to a device for reproducing audio signals.

<Description of Prior Art> Conventionally, various identification functions have been added to audio signal recording and reproducing devices. In particular, a recording device capable of long-time recording and recording of high-quality audio signals requires a cueing function.

Conventionally, the method of cueing in an audio tape recorder is to run the tape at a speed several to several tens of times faster than the recording speed, and detect silent parts of the audio signal being played back as the tape runs. It was done by

On the other hand, in recent years, as the sound quality of audio signals has improved, various methods have been proposed for recording audio signals using a rotating head. For example, FM modulation recording using a rotary head is known as audio/hi-fi technology in a video tape recorder, and digital modulation recording using a rotary head is also known as an audio-only device.

Additionally, in response to this, an audio recorder has been devised that compresses the time axis of an audio signal and records it with digital modulation.

An example of an audio tape recorder that uses a rotary head to time-base compress an audio signal and record it with digital modulation will be briefly described below.

FIG. 1 is a diagram showing an example of a tape running system of a conventional audio tape recorder of this type. In FIG. 1, 1 is a magnetic tape, and 2 is a rotating cylinder that holds a rotating head 3.4. As a result, the heads 3 and 4 trace the tape l diagonally and record audio signals. Then, each time the head 3.4 rotates 36 degrees, a time-axis compressed audio signal is recorded in each of the six regions formed in the longitudinal direction of the tape L, so that a total of six channels of audio signals can be recorded. You can get a dedicated tape recorder.

This tape recorder will be briefly explained below. FIG. 1 is a diagram showing the tape running system of the tape recorder mentioned above, and FIG. 2 is a diagram showing the recording locus on the tape by this tape recorder.

In Figure 2, CHI to CH6 are traced by Head 3 or Head 4, respectively, from A to B, B to C, and C, D to E; E to F, and F to G in Figure 1. This is the area where audio signals are recorded during the period. It is possible to record audio signals separately in each area, and so-called azimuth overwriting is performed in each area, but the tracks in each area C) (1 to CH6 do not need to be on the same straight line. Pilot signals for I/racking control are recorded in each area, but it is assumed that they are recorded in a predetermined rotation (f+ → f2 → f3 → f4) for each area, and there is no correlation between the areas. do not have.

Also, the area shown as CHI-CH3 is
Recording and reproduction are performed when the vehicle is traveling at a predetermined speed in the direction shown by arrow 7, and recording and reproduction is performed in the area indicated by CH2-CH2 when it is also traveling in the direction shown by arrow 9. Therefore, the second
As shown in the figure, the inclination of each track in the area indicated by CHI to CH3 and the inclination of each track in the area indicated by CH2 to CH2 are slightly different. However, regarding the difference in relative speed at this time, the difference in relative speed due to the running of the tape l is extremely small compared to the difference due to the rotation of the heads 3 and 4, so it does not pose a problem.

Figure 3 is a time chart of recording and reproduction of the tape recorder as described above. In the figure, (a) is a phase detection pulse (hereinafter referred to as PG) generated in synchronization with the rotation of cylinder 2.
“High level (H)′” and “low level (L)” in 60 seconds
``This is a 30Hz square wave that repeats. Also, (b) is a PG with the opposite polarity to PG (a).Here, PG (a)
) are H and P while the head 3 rotates from B to G in Figure 1.
Assume that G(b) is H and □ while the head 4 similarly rotates from B to G.

Figure 3 (C) shows the data reading pulse obtained from PG (a), which is used to sample the audio signal every other field for a period corresponding to one field (1/60 seconds) of the video signal. belongs to. In FIG. 3(d), H indicates a signal processing period for adding a redundant code for error correction or changing the arrangement of the sampled audio data for one field using a RAM or the like.

In FIG. 3(e), the data recording period is indicated by H, and the timing at which the recording data obtained by the above-mentioned signal processing is recorded on the tape 1 is indicated.

For example, if we follow the flow of the signal in time using Fig. 3, t
The data sampled during the period from 1 to t3 (while head 3 is moving from B to G) is from t3 to t5 (when head 3 is moving from G to A)
Signal processing is performed at t5 to t6 (head 3 is A-B)
recorded over a period of That is, the head 3 causes C in FIG.
Recorded in the HI area. On the other hand, data □ sampled during the period when pc (b) is H is subjected to signal processing at the same timing, and is recorded in the CHI area by the head 4.

PG (a) at a predetermined phase (here, 36” for l region)
The phase-shifted PG is shown in FIG. 3(f).

Hereinafter, a case will be described in which an audio signal is recorded using PG (f) and a PG (not shown) having the opposite characteristics.

The data sampled from t2 to t4 in FIG.
The signal is processed according to the signal shown in FIG. 3(g) during the period from t6 to t6, and recorded according to the signal shown in FIG. 3(h) during the period from t6 to t7.

That is, the head 3 records data B-C in the area indicated by CH2 by the head 4.
It will be done.

Next, the operation of reproducing the signal recorded in the area indicated by CH2 will be explained.

The reading of data from the tape l by the head 3 is shown in FIG.
t6 to t7 (same for tl to t2) according to the signal shown in h)
t7 to t8 (
From t2 to t3), signal processing opposite to that during recording is performed. That is, error correction and the like are performed during this period, and a reproduced audio signal is output from t8 to t9 (t3 to t6) in accordance with the signal shown in FIG. 3(j). Of course, the reproduction operation by the head 4 is performed with a phase difference of 180 degrees from the operation described above, and thus a continuous reproduction audio signal is obtained.

It goes without saying that for the other areas CH3 to CH6, PG(a) can be phased by nX36' and the above-mentioned recording/reproducing operation can be performed based on this. Not dependent.

In this way, it has become possible to use the VTR as a dedicated audio device capable of recording multiple channels and over a long period of time.

This type of audio recorder can easily be configured to allow, for example, 90 minutes of recording for each area and 9 hours of recording.

Correspondingly, the cueing function has become even more important, but devices that perform such high-density recording have the following problems.

Between two programs for cue control during recording,
Or, suppose that some kind of signal (hereinafter referred to as an inter-song signal) is recorded along with the audio signal at an arbitrary position specified by the user, and if this is detected and an attempt is made to locate the beginning, the tape is recorded in order to shorten the search period. It is common to run the vehicle at high speed. At this time, after detecting the inter-song signal mentioned above,
The mode is switched between stopping and automatically reproducing, but due to the influence of inertia, this mode switching is performed at a position different from the recording position of the inter-song signal.

Therefore, when the recording density is high, for example, if the tape running direction during high-speed running is the same as during recording, when switching to playback mode, the part immediately after the start of the desired program will be displayed.
playback will no longer occur. Furthermore, if the tape running direction during high-speed running is opposite to that during recording, the portion immediately before the end of the program recorded immediately before the desired program will be played back.

(Object of the Invention) The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide an audio signal reproducing device that can always reproduce an audio signal from a desired portion by searching.

(Explanation based on examples) The present invention will be explained below using examples.

FIG. 4 is a diagram showing a schematic configuration of a tape recorder as an embodiment of the present invention. Components in FIG. 4 that are similar to those in FIGS. 1 and 2 are given the same numbers.

PG obtained from the rotation detector 11 of the rotating cylinder 2 is supplied to the cylinder motor control circuit 16, which rotates the cylinder 2 at a predetermined rotational speed and a predetermined rotational phase. 12.
13 is the flywheel 1 of the capstan 14 and 15 respectively
7.18 rotation detectors, and their outputs (FG) are alternatively supplied to a capstan monitor control circuit 20 via a switch 19. The output of the circuit 20 is supplied to each capstan motor via a switch 21 so that the capstan 14 or 15 rotates at a predetermined speed during recording. Switches 19 and 21 are set to the F side in the figure when running the tape in the direction shown by arrow 7 (forward direction), respectively.
When traveling in the direction shown by arrow 9 (reverse direction), it is connected to the R side in the figure.

By manually operating the operation unit 24, operation modes such as recording and reproduction, and areas to be recorded and reproduced are specified. It is also specified whether to record exclusively for audio or whether to record video signals in the recording pattern shown in FIG. 2 as well.

These data are supplied to the system controller 25, which controls the capstan motor control circuit 20, the switch 19.21, the area designation circuit 26,
The gate circuit 27 further controls the capstan controller 53 and the like. Then, the area designation circuit 26 supplies the area designation data to the gate pulse generation circuit 23 to obtain a desired gate pulse. Incidentally, in the case where a video signal is also recorded, the designated area is naturally CHI.

The control gate pulses of the gate circuit 28 are determined based on the area designation data of the head 3. The aforementioned window pulses are selectively supplied to each of the heads 4.

During recording, the analog audio signal input from the terminal 29 is supplied to the PCM audio signal processing circuit 30, sampled at the above-described timing related to the window pulse, converted into digital data, and then subjected to the above-described signal processing. The recording audio data obtained in this way is sent from the pilot signal generation circuit 32 to fl+f for each field.
The adder 33 adds the tracking pilot signal generated in the rotation 2→f3→f4 and other pilot signals to be described later. The output of the adder 33 is appropriately gated by the gate circuit 28 as described above, and written into a desired area by the heads 3 and 4.

During playback, the playback signal from the head 3.4 is similarly extracted by the gate circuit 28 using a window pulse, and this playback signal is passed through the A-side terminal of the switch 34 to the lobal filter (
LPF) 35 as well as the PCM audio circuit 30. In the PCM audio circuit 30, signal processing such as error correction, time axis expansion, and digital-to-analog conversion is performed in the opposite direction to recording, and a reproduced analog audio signal is outputted from a terminal 36 via a mute circuit 55.

The LPF 35 separates the aforementioned tracking pilot signal and supplies it to the ATF circuit 37.

The ATF circuit 37 is a circuit for obtaining a tracking error signal using a well-known four-frequency method, and combines the reproduced tracking pilot signal and the pilot signal generated by the pilot signal generation circuit 32 with the same rotation as during recording. It is well known that it is used. However, when used as an audio-only device, a tracking error signal is obtained for each region, so this is sampled and held. The tracking error signal thus obtained is supplied to the capstan motor control circuit 20, which controls the running of the tape l during playback via the capstans 14 and 15, thereby performing tracking control.

Next, recording and reproduction of video signals will be explained.

When the system controller 25 issues a command to record and reproduce a video signal, the area designation circuit 26 is forced to
The HI region is designated and the gate circuit 27 is operated according to PG. The video signal inputted from the terminal 38 is converted into a signal form suitable for recording by the video signal processing circuit 39 and is supplied to the post-adder 40 . And adder 40
The signal is added to the pilot signal obtained from the pilot signal generation circuit 32 at 3.
4 is recorded in areas CH2 to CH6. The recording operation of the PCM audio signal □ at this time is exactly the same as the recording operation described above for CHI.

During playback, the video signals picked up from the heads 3 and 4 are made into continuous signals via the gate circuit 27. This continuous signal is supplied to the video signal processing circuit 39 and
The original signal form is output from the terminal 41. Further, the continuous signal obtained from the gate circuit 27 is transmitted to the switch 3
It is supplied to the LPF 35 via the V-side terminal of No. 4.

The LPF 35 continuously separates pilot signal components and supplies them to the ATF circuit 37. When does ATF circuit 3
The tracking error signal obtained from 7 does not need to be sampled and held, and is supplied to the capstan motor control circuit 20 as it is. At this time, a PCM audio signal is also reproduced from the CH1 area, and an analog audio reproduction signal is obtained from the terminal 36 via the mute circuit 55, but tracking control using the output signal of the gate circuit 28 is not performed.

Next, the cueing function of the tape recorder of this embodiment will be explained. FIG. 5 is a diagram showing a specific example of the structure of the cue control circuit 51 shown in FIG. 4, and FIG. 6 is a timing chart showing the waveform of the numbered part in FIG.

In FIG. 5, 61 is a terminal to which an L channel recording audio signal is supplied, and 62 is a terminal to which an R channel recording audio signal is supplied. 63 is an adder, which is used to temporarily return the stereo audio signal inputted from 61 and 62 to a monaural audio signal.

Now, when the recording audio signal is interrupted, a so-called silent state occurs, and the output signal level of the adder 63 decreases. The detection circuit 64 performs envelope detection of the output signal of the adder 63, etc.
When this detection level falls below a certain threshold level, the output of the inverter 65 (shown in FIG. 6(b)) becomes
Turn to level.

When the output of inverter j5 is at the noise level, there is a silent period. The monomulti (MM) 66 is triggered by the rising edge of the output of the inverter 65, and turns to low level after a predetermined period (Tl). At this time, the output of the inverter 68 changes to high level, so the output of the AND gate 69 (shown in FIG. 6(d)) and the output of the OR gate 70 (shown in FIG. 6(e)) also change to high level. On the other hand, the monomulti 67 is triggered by the rise of the output of the monomulti 66, and is triggered for a predetermined period (T2
) and then changes to low level. The OR gate 70 receives the output of the AND gate 69 and the output of the MM67, and
When the output of the input terminal 65 is turned to low level and the output of MM67 is turned to low level, it turns to low level.

FIG. 6 shows a case where the period of silence is longer than TI+T2, and in this case, the period (T3) during which the output of the OR gate 70 is at a high level is the period of silence T
B, it is shown as T3=TF3-T1. However, T
1<Ts<T2 When T1, T3=T2 as is clear from FIG.

On the other hand, when TB is less than TI, T3=0.

The output of this OR gate 70 is supplied to the pilot signal generation circuit 32 via a terminal 71, and a pilot signal for cue detection, which will be described later, is multiplexed onto the digitally modulated audio signal via the PCM audio signal processing circuit 30 only during the period T3. Ru.

Considering this, first of all, when searching for the beginning, it is necessary to mainly detect the intervals between songs, but in order to prevent a short period of silence from being judged as an interval between songs, a period of time T is set. A silent period shorter than this period is not determined to be between songs. It is considered preferable to set T1 to approximately 2 seconds, for example. Of course, this T can be determined as appropriate depending on the application.T2 is determined according to the ratio of tape running speeds during recording and during cue search. That is,
It is sufficient to set a period long enough for the cue pilot signal to be detected when the tape is running at high speed. For example, specifically when running a tape at 30x speed, 30/
All you have to do is set it to a period of 60 seconds or more. If it is desired to perform detection multiple times (X times), it will take x/2 seconds or more. However, if this T2 is not long, the cue pilot signal will be recorded in areas other than the recording section in the actual silent state, which is not preferable.

Figure 7 shows the pilot signal for such a cue section.
□This is a diagram showing a recording state, in which T1 indicates a portion corresponding to T1 in FIG. 6, and T3 indicates a portion corresponding to T3 in FIG. 6. f1 to f4 are tracking pilot signals (TPS), T5 is a recorded Byron I signal for detection (MTS) which is recorded in all parts where PCM audio signals are recorded, and f6 is a cue pilot. The frequencies of the signals (BDS) are shown respectively.

FIG. 8 is a circuit diagram showing a specific example of the pilot signal generation circuit 32 shown in FIG. 4.

In FIG. 8, a reference frequency signal oscillated by an oscillator 120 is supplied to frequency dividers 121 to 126 having different frequency division ratios. The frequency division ratio is 1/N.

1/N2.1/N3.1/N4 frequency divider 121.

122, 123, and 124 are TPSf, respectively.

Output f2 + f3 + f4 and set the division ratio or l/
N5.

The 1/N6 frequency dividers 125 and 126 output MTSf5 and BDSf6, respectively.

135 is a terminal to which PG is input, and by using the PG frequency-divided by a 1/2 frequency divider 136, logic gates 137, 138, 139, and 140 successively output an H output for each field. As a result, analog switch 13
1, 132, 133, and 134 are turned on one after another for every l field, and TPS is supplied to the adder 128 in the rotation of f1→f2→f3→f4.

- terminal 141 is a terminal to which the output of the above-mentioned cueing control circuit 51 is supplied, and switch 127 connects terminal 141 to H.
is supplied to the adder 128, f5 and f6 are supplied to the adder 128, and otherwise, only f5 is supplied to the adder 128. The adder 128 adds each pilot signal and supplies the resultant signal to the adder 33 via a terminal 129. On the other hand, TPS is also supplied to adder 34 and ATF circuit 37 via terminal 142.

Next, the operations of cueing and blank search will be explained. FIG. 9 is a diagram showing a specific example of the circuit configuration of the cue detection circuit 52 in FIG. 4. Further, FIG. 10 is a timing chart showing the waveform of the numbered part in FIG. 9, and the following description will be made using these drawings. The reproduced signal from the gate 28 inputted through the terminal 71 is supplied to the BPF 151.152, and the respective filters pass the signal f5. The f6 configuration is separated.

The output of BPF151, 152 is the detection circuit 153.154
After the level is detected in the sample hold circuit (S/H)
155 and 156. It is assumed that fs+f6 is a sufficiently low frequency that it is not affected by azimuth recording.

Mono multi 157 has head 3. It is triggered by the rising edge of the logical sum of the gate pulses for the head 4, and the falling edge coincides with the timing of tracing the center of each dimension area, and the S/Hs 155 and 156 operate at this timing. S/H155,
The outputs of 156 are compared with reference levels V ref' and V ref'' in comparator circuits 158 and 159, respectively, and the comparator circuits 158 and 159 output H when f5 and f6 are present.
The output signal is obtained. Reference numeral 160 denotes a monomulti for generating pulses immediately after the sampling operation.

The output (b) of the comparator circuit 159 is inverted by the inverter 169, and the monomulti 170, which is triggered by the rise of the output (C) of the inverter 169, can now obtain a high-level output (d) for the sound-off period. . If the output (f) of the comparator 158 is H during this period, the output (g) of the AND gate becomes H during the H period of the □ output of the monomulti 170. Also, if the output (f) of the comparator 158 is L during this period, the output (g) of the AND gate is L.
It remains as it is.

Generally speaking, when a user records a song, there will be silence at the beginning and end of the song. In this case, if the preceding and following parts are unrecorded, it will be determined that there are two songs, which is not preferable for skipping to the beginning of several songs, which will be described later. Therefore, on the assumption that the beginning of the song is always detected, the detection of f6, which corresponds to the silent part at the end of the song, is disabled.

The counter 84 is used to find the beginning of a so-called skip over several songs, and counts the Q output of the counter 79 every time a recording start portion is detected. On the other hand, the operation unit 24 supplies the counter 84 with information (DA) indicating which recording start portion to detect from the current position, and when this data DA and the count data of the counter 84 match, , a tape stop command pulse is obtained from the comparison circuit 85, and the monomulti 86 detects that this is the desired beginning of the song.
Capstan controller 53 (described later) via terminal 87
Let me know.

Now, when the heads 3 and 4 enter the specified area where no PCM audio signal is recorded, the comparator circuit 1
The output of 58,159 is L, and as a result, Noah game) 1
The output of 61 becomes H. After the output of the NOR gate 161 changes to H, the anti-game 1-163 supplies the pulse output from the monomulti 160 to the counter 165. When the counter 165 counts a predetermined number of consecutive pulses, it supplies an H Q output to the capstan controller 531 via the terminal 168, and similarly stops the tape running.

Inverter 162. The AND gate 164 is provided to reset the counter 165 when f5 or f6 is reproduced so that the counter 165 outputs H only when continuous detection is performed, that is, to prevent detection errors. Furthermore, the monomulti 167 and the 166 are provided to keep the counter 165 in a non-operating state for a while once detection is performed.

Next, the operation of the capstan controller 53 in FIG. 4 will be explained. FIG. 11 is a flowchart for explaining an example of the operation of the capstan controller 53, and FIG. 12 is a diagram for explaining how the capstan controller 53 controls the running of the medium.

First, the operation based on the flowchart in FIG. 11 will be explained. When a cue command is issued from the operation unit 24 (step 81 in FIG. 11), this command is fast forwarded (F
F) If it is at the beginning, fast forward the tape l at n times the recording speed (S5) and rewind it.FR) If it is at the beginning, rewind the tape at n times the recording speed (S3). At this time, of course, the area is designated by the system controller 25, and the gate circuit 28 is operated by the gate pulse from the gate pulse generation circuit 23.

When rewinding and cueing, the monomulti 86 in Figure 9
When an output of H is obtained (S4), it means that the portion corresponding to the period of T3 to the above-mentioned D has been detected, the tape is stopped (S9), and the capstan is controlled to start playback. Circuit 20 and system controller 25
(S10).

At this time, the simultaneous system controller 25 mutes the mute circuit 5
5 is activated (S11), and then the tape is run at normal speed in the same direction as during recording. Thereafter, when the comparator 159 changes to H, it means that the f6 signal starts to be reproduced again (S12), and the operation of the mute circuit 55 is stopped to cancel the mute.

FIG. 12(d) is a diagram showing this situation. Between songs (MU
between SICI and MUSIC2+7)).
NK), as mentioned above, <f6 is recorded, but in reality, the output obtained from the mono multi 86 is f.
Since f5 is detected after f6 is no longer detected, the timing is shown as ■C4 in FIG. 12(d).

When a command to transition to playback mode is issued at the timing of C3, the actual transition to playback mode is due to the influence of the starter in the portion immediately before the end of MUSICI. 4 This is after the tape l has traveled to the position where the head 3.4 traces it.

Then, in the wavy line part, the tape is AT as in normal playback.
The vehicle runs while tracking in the F circuit 37, but the output audio signal is muted until f6 is detected at the timing shown in ■C5, and the actual effective playback is performed in the part shown by the dotted line □. .

On the other hand, when performing fast forward cue, H from Mono Multi 86
When the output is obtained (S6), the tape 1 is temporarily stopped and then run in the opposite direction. That is, rewinding is started (S7). Then, if the output of the comparator 159 in FIG. 9 becomes H (S8), the tape is temporarily stopped and s9
Reproduction is started in the manner shown in ~513.

Figure 12 (c) shows this situation. mono multi 8
6 becomes H at the timing of C1, and after passing through C1 due to the influence of inertia, the n-time speed rewind is performed. Then, the output of the comparison circuit 159 becomes H at timing C2, and after the tape is stopped, the playback mode is entered, but the output audio signal is muted until f6 is detected at timing C3.

According to the tape recorder described above, it is possible to reliably perform playback from a desired position without complicating the control of the device or reducing the search speed.

In addition, in this specification, digital modulation recording (PCM)
Although the present invention is only described, similar effects can be obtained even if the present invention is applied to an audio signal recording apparatus that performs analog FM modulation recording.

Moreover, although only the case where f6 is recorded as a cue pilot signal has been described, it is also possible to adopt a configuration in which cue data is added to audio signal data. In this case, it is desirable to record this data close to the digital synchronization data, considering the difficulty of detection during a search.

<Description of Effects> As explained above, according to the present invention, after searching for desired inter-song information, the output of the reproduced audio signal is prohibited until the inter-song information is detected again. It has been possible to obtain an audio signal reproducing device that can always reproduce an audio signal from a desired portion.

[Brief explanation of drawings]

Fig. 1 is a diagram showing the tape running system of a conventional tape recorder, Fig. 2 is a diagram showing the recording format of the recorder shown in Fig. 1, and Fig. 3 is a diagram showing the recording and playback timing of the recorder shown in Fig. 1. 4 is a diagram showing a schematic configuration of a tape recorder as an embodiment of the present invention, FIG. 5 is a diagram showing a specific example of the cue control circuit in FIG. 4, and FIG. 5 is a diagram for explaining the operation of the circuit, FIG. 7 is a diagram showing the recording state of the pilot signal in the cue section, and FIG. 8 is a specific example of the pilot signal generation path in FIG. 4. FIG. 9 is a diagram showing a specific example of the cue detection circuit in FIG. 4, FIG. 10 is a timing chart showing the operation of the circuit in FIG. 9, and FIG. FIG. 12 is a flowchart showing a specific example of the operation of the capstan controller in FIG. 4. FIG. 12 is a diagram for explaining tape running control by the capstan controller in FIG. 13.4 is the head, 20 is the capstan control circuit, 29
is an audio signal input terminal, 25 is a system controller, 3o is a PCM audio signal processing circuit, 32 is a pilot signal generation circuit, 33 is an addition circuit, 37 is an ATF circuit, 51 is a cue control circuit, 52 is a cue detection circuit, 53 is a capstan controller, and 55 is a mute circuit. 8 loquat retreat flood

Claims (1)

[Claims] A device for reproducing an audio signal from a recording medium in which inter-song information is recorded together with the audio signal at positions corresponding to the inter-songs of an input audio signal, the recording medium being run at high speed, In the mode for detecting the inter-track information, if the running direction of the medium is the same as that at the time of recording, the running direction is reversed, and if the running direction is the opposite direction, the medium is stopped, then played back, and then played again. An audio signal reproducing apparatus characterized in that output of a reproduced audio signal by this reproduction is prohibited until the desired inter-song information is detected.