JP2001109498A - Voice reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a voice reproducing device which can execute repeat reproduction from an arbitrary recording position with a simple operation. SOLUTION: When an index key IND is operated during the reproduction of voice data, present address data is recorded in an address buffer 15, and when a back skip key - is operated and skip reproduction is instructed, a system skips to a position corresponding to address data recorded in the address buffer 15 and repeat reproduction is executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voice reproducing apparatus used for, for example, language practice.

[0002]

2. Description of the Related Art Recently, a sound reproducing apparatus to which various functions optimal for performing a language practice are added has been considered.

Japanese Patent Laid-Open Publication No. Hei 5-224581 shows an example of this type of audio reproducing apparatus, in which an index number is recorded in advance for each relatively small unit such as an English sentence, and the index number is recorded at the time of repeat. Repeat playback of a sentence can be performed based on the number.

[0004]

However, such an audio reproducing apparatus performs repeat reproduction based on the index number recorded for each sentence, so that the audio reproducing apparatus starts from an arbitrary position where the index number is not recorded. It is impossible to repeat the reproduction, and therefore, in the repeat reproduction, a part that does not need to be heard must be heard each time, and there is a problem that the usability is poor.

[0005] Also, for the purpose of practicing language,
Since it is intended for special recording data in which the index number is recorded for each sentence in advance, for example,
There was also a problem that it could not be applied to repeat playback of conversations recorded by individuals or copies made by individuals for language practice.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an audio reproducing apparatus which can realize repeat reproduction from an arbitrary recording position by a simple operation.

[0007]

According to the first aspect of the present invention,
An audio playback device capable of managing the address of audio data recorded on a recording medium and managing the audio data on a file basis. Skip playback means for jumping to an address position and restarting audio reproduction from that position, storage means for storing an audio data recording position address, and an address capable of specifying an address of an arbitrary reproduction point during reproduction It is characterized by comprising a designating means and a control means for storing an address designated by the address designating means in a storage means and for jumping to an address position designated at the time of skip reproduction.

According to a second aspect of the present invention, in the first aspect of the invention, when an address is further specified after the address is specified, the previously specified address is deleted from the storage means and the latest specified address is stored in the storage means. To memorize it.

According to a third aspect of the invention, in the first aspect of the invention, a plurality of designated addresses are stored in the storage means.

[0010] The invention according to claim 4 is the invention according to claim 1 or 2.
In the invention described above, when the reproduction of the audio data being reproduced reaches the file end, the specified address stored in the storage means is deleted from the storage means.

According to a fifth aspect of the present invention, in the first aspect, when the reproduction of the audio data being reproduced reaches a file end, the audio data is stored in the storage means. The designated address is stored in the storage means.

The invention according to claim 6 is the first, second, and third aspects of the present invention.
In the invention according to any one of the fourth to fourth aspects, the information processing apparatus further includes a selection unit for selecting whether to erase the designated address stored in the storage unit.

As a result, according to the first aspect of the present invention,
Only by recording an address at an arbitrary reproduction position, repeat reproduction of only a necessary portion becomes possible.

According to the second aspect of the present invention, since only the latest address can be left, repeat reproduction from a different position can be repeated by appropriately changing the address of the reproduction position.

According to the third aspect of the present invention, desired audio data can be repeatedly reproduced by selecting one of a plurality of addresses.

According to the fourth aspect of the present invention, when the reproduction of the audio data being reproduced reaches the file end, the stored address can be erased, so that the repeat reproduction function can be automatically canceled. .

According to the fifth aspect of the invention, when the reproduction of the audio data being reproduced reaches the file end, the stored address can be maintained, so that the repeat reproduction function is continued and used. be able to.

According to the sixth aspect of the present invention, it is possible to determine whether or not to discard the recorded address, so that the function of the repeat reproduction can be properly used according to the situation.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIG. 1 shows a schematic configuration of an audio reproducing apparatus to which the present invention is applied. In the figure, reference numeral 1 denotes a microphone.
Is connected to a digital signal processing unit 5 via an amplifier 2, a low-pass filter 3, and an A / D converter 4. The digital signal processing unit 5 includes a D / A converter 6,
A speaker 9 is connected via a low-pass filter 7 and an amplifier 8.

A system controller 10 is connected to the digital signal processor 5, and a recording medium 11 is connected to the digital signal processor 5 and the system controller 10.

The recording medium 11 is for recording voice data input from the microphone 1, and may be a built-in type or a detachable memory card. In the case of the built-in type, the recording medium 11 is directly connected to the system control unit 10. In the case of a memory card, it is attached to the audio playback device
It is connected to the system control unit 10.

An operation button 12 is connected to the system control unit 10 in addition to the recording medium 11, a display 14 is connected via a display drive circuit 13, and an address buffer 15 is further connected.

The operation button 12 includes a recording button REC, a reproduction button PL
AY, a stop button STOP, a front skip button + and a rear skip button-for instructing a skip operation, an index button IND for instructing address recording, and the like are provided.

The address buffer 15 is for recording the recording position address of the audio data. If an arbitrary recording position is designated by the index button IND during reproduction, the address information of this recording position is recorded. ing.

The system control unit 10 controls the digital processing in the digital signal processing unit 5 in accordance with the operation of each of the operation buttons 12, controls the reading and writing of data on the recording medium 11 and the address buffer 15, and controls the display drive circuit. It has a function of controlling the display unit 13 to display various information such as the operation mode and the current date and time on the display unit 14.

Next, the operation of the embodiment configured as described above will be described.

In this case, when a power switch (not shown) is turned on, a main flow shown in FIG. 2 is executed. First,
In step 201, the system control unit 1
Initial settings such as external conditions of 0 and read / write conditions of audio data in the recording medium 11 are performed.

Next, in step 202, it is determined whether or not the recording button REC has been operated. Here, when the operation of the recording button REC is determined, in step 203, the system control unit 1
The recording mode is set by 0, and the recording process is executed. In this case, when a sound is input to the microphone 1, the input sound is amplified by the amplifier 2, and unnecessary low-frequency components are cut by the low-pass filter 3 in order to prevent generation of aliasing noise, and A / D The digital signal is converted by the converter 4 into a digital signal,
, Where the data is compressed and the system control unit 1
0 and the recording medium 1 based on a predetermined format.
1 is recorded.

On the other hand, if the recording button REC is not operated in step 202, the reproduction button PLAY is determined in step 204.
It is determined whether or not has been operated. Here, when the operation of the play button PLAY is determined, the play mode is set by the system control unit 10 in step 205, and the play processing is executed.

In this case, when the digital audio data recorded on the recording medium 11 is read out by the system control unit 10, it is input to the digital signal processing unit 5, where it is subjected to decompression processing, and further the D / A converter 6 Is converted to an analog signal, amplified by an amplifier 8 via a low-pass filter 7, and output from a speaker 9.

In such a reproduction mode, a skip mode shown in FIG. 3 is executed.

In this case, in step 301, the stop button ST
It is determined whether the OP has been operated. Here, stop button STOP
If has not been operated, it is determined in step 302 whether the audio file being reproduced has reached the end state. If it is determined that the file is not the end, step 3
At 03, it is determined whether or not the index button IND has been operated. Here, when the index button IND is operated, the current address data of the audio data being reproduced is recorded in the address buffer 15 in step 304. Then, the process proceeds to step 305. On the other hand, if it is determined in step 303 that the index button IND has not been operated, the process immediately proceeds to step 305. In step 305, it is determined whether the rear skip button-has been operated. Here, if the rear skip button − is operated, it is determined in step 306 whether address data is recorded in the address buffer 15. And
If the address data is recorded, step 307
The address buffer 1 in the audio file currently being played back
The reproduction is performed by returning to the address position recorded in No. 5. On the other hand, if it is determined in step 306 that the address data is not recorded in the address buffer 15, in step 308, the reproduction is performed by returning to the beginning of the currently reproduced audio file.

In step 305, a rear skip button
If has not been operated, it is determined in step 309 whether the previous skip button + has been operated. Here, when the previous skip button + is operated, in step 310, reproduction from the beginning of the next audio file is performed. Step 309
If the previous skip button + has not been operated, the flow returns to step 301. Then, in step 301, the stop button ST
When the operation of the OP is determined, the data in the address buffer 15 is cleared in step 311 and
02, the end state of the audio file being reproduced is also determined, the process proceeds to step 311 and the address buffer 1
5, and the process returns to the flow shown in FIG.

In the main flow shown in FIG.
When the previous skip button + is operated in step 206 from the stop state in which neither the record button REC nor the play button PLAY is operated, the audio file number is incremented by the previous skip in step 207, and in step 208, When the rear skip button-is operated, in step 209, the audio file number is decremented by the rear skip.

Accordingly, if the index button IND is operated during the reproduction of the audio data, the current address data is recorded in the address buffer 15, and then the skip reproduction is performed by operating the rear skip button or the like. When instructed, it is possible to skip to a position corresponding to the address data recorded in the address buffer 15 and perform repeat reproduction. Therefore, in order to perform repeat reproduction based on an index number recorded for each conventional sentence, an index Compared to what was impossible to repeat playback from the position where the number is not recorded,
Just record the address data at any playback position,
Repeat playback can be performed, and repeat playback of only a necessary portion can be performed, so that usability can be greatly improved.

In order to execute repeat reproduction, only address data at an arbitrary reproduction position is recorded. For example, the present invention is also applied to repeat reproduction of conversation recorded by an individual or copied by an individual for language practice. be able to.

(Second Embodiment) In this case, the schematic configuration of a sound reproducing apparatus to which the second embodiment of the present invention is applied is the same as that of FIG. 1, so that FIG. And

In such a configuration, when a power switch (not shown) is turned on, the above-described main flow shown in FIG. 2 is executed. Then, at step 204, the play button P
When the operation of the LAY is determined, the playback mode is set by the system control unit 10 in step 205, and the playback process is executed. Also, in such a playback mode,
The skip mode shown in FIG. 4 is executed.

In this case, steps 401 to 4
03 corresponds to steps 301 to 303 shown in FIG.
Is the same as Then, when the operation of the index button IND is determined in step 403, in step 404,
The current address data of the audio data being reproduced is overwritten on the address buffer 15 and recorded.

Next, the operation proceeds to step 405 and subsequent steps. Here, the operation from step 405 to step 411 is the same as step 305 to step 311 shown in FIG.

Therefore, if the address is already specified during the reproduction, the address data is overwritten on the address buffer 15 when the address is specified. Since the discarding is performed and only the latest address data is left, repeat reproduction from a different position can be repeated by appropriately changing the address data at the reproduction position.

(Third Embodiment) In this case, the schematic configuration of an audio reproducing apparatus to which the third embodiment of the present invention is applied is the same as that shown in FIG. 1, and FIG. And

In such a configuration, when a power switch (not shown) is turned on, the above-described main flow shown in FIG. 2 is executed. Then, at step 204, the play button P
When the operation of the LAY is determined, the playback mode is set by the system control unit 10 in step 205, and the playback process is executed. Also, in such a playback mode,
The skip mode shown in FIG. 5 is executed.

In this case, steps 501 to 5
Steps 10 to 10 shown in FIG.
Same as 10. If the operation of the stop button STOP is determined in step 501, or if the end state of the audio file being reproduced is determined in step 502, the data in the address buffer 15 is not cleared, as shown in FIG. Is returned to the flow shown in FIG.

Accordingly, if the address data is recorded in the address buffer 15 in this manner, the recorded address data will not be discarded even after the reproduction is completed. By simply setting a new reproduction mode, repeat reproduction based on previously recorded address data can be performed.

(Fourth Embodiment) In this case, the schematic configuration of an audio reproducing apparatus to which the fourth embodiment of the present invention is applied is the same as that shown in FIG. 1, and FIG. And

In this configuration, when a power switch (not shown) is turned on, the above-described main flow shown in FIG. 2 is executed. Then, at step 204, the play button P
When the operation of the LAY is determined, the playback mode is set by the system control unit 10 in step 205, and the playback process is executed. Also, in such a playback mode,
The skip mode shown in FIG. 6 is executed.

In this case, steps 601 to 6
Steps 10 to 10 shown in FIG.
Same as 10. If the operation of the stop button STOP is determined in step 601, or if the end state of the audio file being reproduced is determined in step 602, the address buffer 15 is determined in step 611.
Prompts the user to determine whether to clear the address data in the box. Here, in the case of clearing, in step 612, the data of the address buffer 15 is cleared. Otherwise, the data in the address buffer 15 is not cleared without clearing the data in FIG.
Is returned to the flow shown in FIG.

Accordingly, it is possible to determine whether or not to discard the address data recorded in the address buffer 15 according to the user's intention, so that the function of the repeat reproduction can be properly used according to the situation. Can be.

(Fifth Embodiment) In this case, the schematic configuration of an audio reproducing apparatus to which the fifth embodiment of the present invention is applied is the same as that of FIG. 1, so that FIG. And Here, the address buffer 15 can record a plurality of address data corresponding to the buffer number.

In such a configuration, when a power switch (not shown) is turned on, the above-described main flow shown in FIG. 2 is executed. Then, at step 204, the play button P
When the operation of the LAY is determined, the playback mode is set by the system control unit 10 in step 205, and the playback process is executed. Also, in such a playback mode,
The skip mode shown in FIG. 7 is executed.

In this case, steps 701 to 7
03 corresponds to steps 301 to 303 shown in FIG.
Is the same as Then, when the operation of the index button IND is determined in step 703, in step 712,
It is determined whether or not n buffer numbers exist in the address buffer 15. If not, the buffer number is incremented in step 713, and the audio data of the audio data being reproduced corresponding to the new buffer number is stored in the address buffer 15. The current address data is overwritten and recorded. Then, the process proceeds to step 705. On the other hand, if it is determined in step 703 that the index button IND has not been operated, step 71
If it is determined in step 2 that n buffer numbers do not exist, the process immediately proceeds to step 705.

Then, the operation proceeds to the operation after step 705. In step 705, it is determined whether the rear skip button-has been operated. Here, when the rear skip button-is operated,
In step 706, it is determined whether address data is recorded in the address buffer 15. If the address data has been recorded, in step 707, the audio file being reproduced is returned to the address position recorded in the address buffer 15 and the repeat reproduction is performed.

In this case, if the rear skip button-is operated once and then is operated again within a predetermined time, the address position of the address buffer 15 to be skipped is moved in the past direction. That is, when the rear skip button-is operated three times, the skip is performed to the address position three before, and the repeat reproduction is performed.

On the other hand, if it is determined in step 706 that the address data is not recorded in the address buffer 15 even if the rear skip button is operated, the process proceeds to step 708.
Then, the reproduction is performed by returning to the beginning of the audio file currently being reproduced.

In step 705, the rear skip button
If has not been operated, it is determined in step 709 whether or not the previous skip button + has been operated. Here, when the previous skip button + is operated, in step 710, reproduction from the beginning of the next audio file is performed. Step 709
If the previous skip button + has not been operated, the process returns to step 701.

Then, at step 701, the stop button STO
If the operation of P is determined, the data in the address buffer 15 is cleared in step 711, and
If the end state of the audio file being reproduced is determined in step 2, the process proceeds to step 711, and the address buffer 15
Are cleared, and the process returns to the flow shown in FIG.

Therefore, in this manner, a plurality of address data can be recorded in the address buffer 15, and by selecting one of these different address data, the desired audio data can be reproduced repeatedly. it can.

In the first, second and fifth embodiments, the data in the address buffer 15 can be cleared when the stop button STO is operated and when the end of the file is detected. The data in the address buffer 15 may be cleared only when the button STO is operated. In this case, when the end of the file is detected, the process may immediately proceed to the return.

[0061]

As described above, according to the present invention, it is possible to provide an audio reproducing apparatus capable of realizing repeat reproduction from an arbitrary recording position by a simple operation.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic configuration of a first embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of the first embodiment.

FIG. 3 is a flowchart for explaining the operation of the first embodiment;

FIG. 4 is a flowchart for explaining the operation of the second embodiment of the present invention.

FIG. 5 is a flowchart for explaining the operation of the third embodiment of the present invention.

FIG. 6 is a flowchart for explaining the operation of the fourth embodiment of the present invention.

FIG. 7 is a flowchart for explaining the operation of the fifth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Microphone 2 ... Amplifier 3 ... Low-pass filter 4 ... A / D converter 5 ... Digital signal processing unit 6 ... D / A converter 7 ... Low-pass filter 8 ... Amplifier 9 ... Speaker 10 ... System control unit 11 ... Recording medium 12 ... Operation Button 13 Display drive circuit 14 Display 15 Address buffer REC Record button PLAY Play button STOP Stop button + Skip front button-Skip skip button IND Index button

Claims (6)

[Claims] 1. An audio playback apparatus capable of managing the address of audio data recorded on a recording medium and managing the audio data in file units, wherein the audio file is operated by a predetermined operation during reproduction. Skip playback means for jumping to the beginning or a predetermined address position of the audio data and restarting the audio reproduction from that position; storage means for storing the recording position address of the audio data; An audio reproducing apparatus comprising: an address designating means capable of designating an address; and a control means for causing an address designated by the address designating means to be stored in a storage means and jumping to a designated address position during skip reproduction. 2. The audio reproducing apparatus according to claim 1, wherein when the address is further specified after the address is specified, the previously specified address is erased from the storage means and the latest specified address is stored in the storage means. 3. The audio reproducing apparatus according to claim 1, wherein a plurality of designated addresses are stored in the storage means. 4. When the reproduction of audio data being reproduced reaches a file end, a specified address stored in the storage means is deleted from the storage means.
The audio reproduction device according to the above. 5. The storage device according to claim 1, wherein when the reproduction of the audio data being reproduced reaches a file end, a specified address stored in the storage device is stored in the storage device. The audio playback device according to claim 1. 6. The audio reproducing apparatus according to claim 1, further comprising a selection unit for selecting whether to erase a specified address stored in the storage unit.