JP2002050113A - Device and method for processing sound information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device and a method for processing sound information by which audible monitoring sound can be outputted while recording the sound information even when the sound information is recorded at a speed faster than a normal reproducing speed of the sound information. SOLUTION: The amount of the sound information 210 to be recorded from a TOC area of CD-ROM is read (412), and a time m necessary for recording the sound information 210 in a hard disk drive 114 is calculated (414). The first part of the sound information 210 that is a sound information amount 212 to be reproduced for a time m at a normal reproducing speed is transferred to a buffer 216 (418), and the sound information in the buffer 216 is reproduced at the normal reproducing speed (420). In parallel with the steps 418, 420, sound information is read from the CD-ROM at a speed faster than the normal speed, and is recorded in a hard disk drive 114 at a speed faster than the normal reproducing speed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio information processing apparatus and method for recording audio information, and more particularly, to an audio information recording apparatus for outputting a monitor sound when audio information is recorded, and an audio information recording / reproduction. The present invention relates to a voice information processing device including a device and a voice information processing method.

[0002]

2. Description of the Related Art In a conventional audio information recording / reproducing apparatus, a CD-DA (Com
When recording audio information from an audio information recording medium such as a Pact Disc-Digital Audio) to a different recording medium such as a cassette tape, a method of recording while reproducing the audio information to be recorded at a normal reproduction speed is generally used. It was a target. According to such a method, the user can listen to the audio information reproduced as the monitor sound while the audio information is recorded.

However, due to digitization of audio information and improvement in performance of an audio information recording / reproducing apparatus, recording of audio information is performed at a speed (normal, several times higher) than a normal reproduction speed (standard reproduction speed) of audio information. Times to tens of times). Accordingly, the reproduction of the audio information is not performed during the recording of the audio information. Therefore, there is a problem that the user cannot listen to the recorded audio information as a monitor sound while the audio information is recorded.

The present invention has been made in order to solve the above-mentioned problems. Even when recording of audio information is performed at a speed higher than normal reproduction of the audio information, the audio information is recorded during recording of the audio information. It is an object of the present invention to provide an audio information processing apparatus and method capable of outputting a possible monitor sound.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a reading means for reading out audio information recorded on a first recording medium, and a reading means for reading out the audio information. Recording means for recording the read audio information on the second recording medium, a third recording medium for recording a part of the audio information read by the reading means, and recording on the third recording medium. Reproducing means for reproducing the read audio information; and reading the audio information recorded on the first recording medium at a speed higher than a reproduction speed, and reading the read audio information at a speed higher than the reproduction speed. Controlling the reading means and the recording means so as to be recorded on the recording medium, and recording a part of the read audio information on a third recording medium, and Plays the recorded audio information To provide a speech information processing apparatus including the control means for controlling the reproducing means so as to be reproduced in degrees.

According to a second aspect of the present invention, in the first aspect, the audio information includes a plurality of tracks, and the control means reproduces the audio information recorded on the first recording medium. Controlling the reading unit and the recording unit so that the read audio information is recorded on the second recording medium at a speed higher than the reproduction speed; A part of audio information in each track of information is recorded on a third recording medium every time each track is read, and the reproduction is performed such that the audio information recorded on the third recording medium is reproduced at a reproduction speed. Control means.

According to the first and second aspects of the invention, the audio information recorded on the first recording medium is read at a speed higher than the reproduction speed, and the read audio information is read at the second speed at a speed higher than the reproduction speed. When recording on the recording medium, a part of the read audio information is recorded on the third recording medium,
The audio information recorded on the recording medium is reproduced at the reproduction speed. Thus, even when the reading and recording of the audio information are performed at a speed higher than the reproduction speed, the user can confirm the recorded audio information by listening to the audio information reproduced as the monitor sound. . In particular, according to the second aspect of the present invention, since the monitor sound is output at the same time as the start point of each track being recorded, the user listens to the track reproduced as the monitor sound to determine which track is currently being played. You can check if it is a recording target.

According to a third aspect of the present invention, there is provided a reading means for reading audio information comprising a plurality of tracks recorded on a first recording medium, a first recording area for recording audio information, and a part of the track. The second to record the audio information of
A second recording medium provided with a recording area of a second recording medium, and audio information recorded in a first recording area of the second recording medium, and a part of audio information in a track is recorded in a second recording area of the second recording medium. Recording and reproducing means for recording the audio information and reproducing the recorded audio information; and reading the audio information recorded on the first recording medium at a higher speed than the reproduction speed. While controlling the reading means and the recording / reproducing means so as to be recorded in the first recording area of the second recording medium at a higher speed, a part of the read audio information in each track is reproduced. Each time data is read from each track, the data is recorded in the second recording area of the second recording medium.
And a control means for controlling the recording / reproducing means so that the audio information recorded in the second recording area of the recording medium is reproduced at a reproduction speed.

According to a fourth aspect of the present invention, there is provided a reading means for reading out audio information composed of a plurality of tracks recorded on a first recording medium, recording the audio information on a second recording medium, and reading the audio information. A recording / reproducing means for reproducing; reading audio information recorded on the first recording medium at a speed higher than a reproduction speed; and recording the read audio information on a second recording medium at a speed higher than a reproduction speed. The read / write unit and the recording / reproducing unit are controlled so that a part of the read audio information in each track is reproduced at a reproduction speed every time each track is read. Control means for controlling the means.

According to the third and fourth aspects of the invention, the audio information recorded on the first recording medium is read at a speed higher than the reproduction speed, and the read audio information is read at the second speed at a speed higher than the reproduction speed. While recording in the first recording area of the recording medium, a part of the read audio information is recorded in the second recording area of the second recording medium, and the second recording area of the second recording medium is recorded. By reproducing the audio information recorded in the recording area at the reproduction speed, the user can record the audio information while recording the audio information in the audio information recording device in which the recording is performed at a speed higher than the reproduction without specially preparing a buffer. By listening to the audio information being recorded as the monitor sound, the recorded audio information can be confirmed. In particular, in the invention according to claim 4, a buffer is required by reproducing audio information recorded at a higher speed than the reproduction speed in the first recording area of the second recording medium at a normal reproduction speed. Disappears.

[0011] The inventions of claims 5 to 8 correspond to claims 1 to 4.
Since it has the same effect as described above, the description is omitted.

[0012]

FIG. 1 shows an embodiment in which the present invention is applied to an audio information recording / reproducing apparatus. The audio information recording / reproducing apparatus 100 can record and reproduce audio information using a plurality of audio information recording media. In the audio information recording / reproducing apparatus 100, via a bus 170, a CD-ROM serving as a reading unit for mounting a CD-ROM serving as a first recording medium.
ROM drive 110, CD-R / RW (CD-Rec
orable / rewritable) drive 11
2. Audio information is transmitted and received between a plurality of audio information recording medium driving devices such as a hard disk drive 114 and a memory card drive 116 which are recording means having a hard disk which is a second recording medium.

A bus 170 has a CD-ROM drive interface 130 for outputting digital signals, a CD-R / RW interface 132 for inputting and outputting digital signals, a hard disk drive interface 134, and a memory card drive interface 136. Is connected. A CD-ROM drive 110, a CD-R / RW drive 112, a hard disk drive 114, and a memory card drive 116 are connected to each interface. CD-RO
The digital signal output from the M drive 110 is a CD-
Digital signals transmitted to the bus 170 via the ROM drive interface 130 and input / output from other drives are transmitted to the bus 170 via the respective interfaces.
Is transmitted and received.

In order to input and output analog signals, A / D
Converter (Analog to Digital Co.)
nverter) 138 and a D / A converter (Dig)
ital to Analog Converter) 1
40 is connected to the bus 170. When an analog signal is input from the analog input terminal 118 connected to the A / D converter 138, the analog signal input by the A / D converter 138 is converted into a digital signal and transmitted to the bus 170. When a digital signal is transmitted from the bus 170, the digital signal transmitted by the D / A converter 140 is converted into an analog signal,
Output terminal 1 connected to A / A converter 140
20.

The encoder 156 and the decoder 158
It is connected to a bus 170 for compressing and decompressing audio information. For example, the encoder 156 converts WAV data (the most basic audio file format handled by a personal computer) received from the bus 170 into MP3 data (an audio file format compressed according to the MPEG Audio Layer-3 standard). To the bus 170. Similarly, the decoder 158 converts the MP3 data into WAV
Convert to data.

A ROM 150 and third recording means,
A RAM 152 serving as a reproducing unit is connected to the bus 170. The ROM 150 stores a program for controlling the audio information recording / reproducing apparatus 100. The RAM 152 is used as a temporary buffer when converting the audio information signal in the encoder 156 and the decoder 158.

As an interface with the user, an operation panel 160 and a display panel 162 are connected to the bus 170. By operating the operation panel 160 according to the menu displayed on the display panel 162, the user can instruct the audio information recording / reproducing apparatus 100 to perform a plurality of operations.

The controller 154, which is a control means, is connected to the bus 170 for controlling all the above devices. The control of which device receives the voice information transmitted to the bus 170 and what kind of operation is performed is performed by executing a program in the ROM 150 based on a user's instruction performed through the operation panel 160 by the controller. 154 controls.

Next, the operation of the first embodiment of the first aspect will be described with reference to the data flow of FIG. 2 and the flowchart of FIG. In the present embodiment, audio information is read from a CD-ROM as a first recording medium, and the audio information is recorded on a hard disk as a second recording medium.
The voice information 210 in FIG.
FIG. 2 conceptually shows audio information recorded on a CD-ROM as a first recording medium mounted on a D-ROM drive 110. FIG.

In step 412 in FIG. 5, the CD-R
The amount of audio information 210 to be recorded is read from the TOC (Table Of Contents) area of the OM,
In step 414, the time m required to record the audio information 210 on the hard disk drive 114, which is a recording unit having a hard disk as the second recording medium, is calculated. The time m corresponds to the amount of audio information recorded in the TOC area,
-It can be calculated using the reading speed of the ROM drive 110 and the recording speed of the hard disk drive 114.

In step 416, the controller 154
Is a CD-R mounted on the CD-ROM drive 110
The recording start instruction signal for starting the operation of reading the audio information from the OM and recording the audio information on the hard disk drive 114 is transmitted to the CD-ROM drive 110 and the hard disk drive 114.
Transmit to drive 114.

At step 418, at the normal reproduction speed, the amount of audio information 212 to be reproduced at time m, which is the first part of the audio information 210, is transferred to the RAM 152 which is the buffer 216 as the third recording medium. . Step 4
At 20, the audio information in the buffer 216 is reproduced at a normal reproduction speed.

When the recording start instruction signal transmitted in step 416 is received in parallel with steps 418 and 420, the CD-ROM drive 110 and the hard disk drive
The drive 114 reads audio information from the CD-ROM mounted on the CD-ROM drive 110 at a speed higher than a normal reproduction speed, and
In step 432, recording at a higher speed than the normal reproduction speed is started. When the end of the recording is determined in step 434, the CD-ROM drive 110 and the hard disk drive 114 output a recording end instruction signal to the controller 154 in step 436.

If it is determined in step 422 that the controller 154 has received the recording end instruction signal, the process ends in step 424.

Since the reproduction is performed as monitor sound,
The audio information in the buffer 216 does not necessarily need to be reproduced at a normal reproduction speed, but may be at a speed lower than the reading and recording speed. In this case, in step 418, the amount of audio information to be transferred, that is, the amount of audio information reproduced at time m, differs depending on the set reproduction speed. Further, the audio information 210 may be a plurality of tracks to be recorded or one of the tracks to be recorded. Further, when the audio information recorded on the CD-ROM is read and recorded on the hard disk drive 114, the audio information is encoded by the encoder 156.
May be converted from WAV data to MP3 data.

As described above, the audio information recorded on the CD-ROM is read out at a higher speed than the normal reproduction speed, and the audio information that can be reproduced at the standard reproduction speed is a time corresponding to the time required for recording on the hard disk. By predicting the amount of information, transferring the audio information to a buffer, and reproducing the audio information, even when reading and recording the audio information at a speed higher than the reproduction speed, the user can reproduce the audio information reproduced as the monitor sound. It is possible to listen to and confirm the audio information to be recorded.

A second embodiment of the first aspect will be described with reference to the data flow of FIG. 3 and the flowchart of FIG. In the present embodiment, the first recording medium, CD-
The audio information recorded in the ROM is composed of a plurality of tracks like music information composed of a plurality of music pieces.

This embodiment is different from the first embodiment in that the first part of each track read from the CD-ROM is reproduced as a monitor sound. In FIG. 3, reference numerals 220 and 222 each represent one track. At step 462, the CD-ROM
, The audio information of one track to be recorded is read from the TOC area, and the time m required to record the audio information 220 on the hard disk drive 114 is calculated in step 464.

At step 466, controller 154
Is a CD-R mounted on the CD-ROM drive 110
Reads audio information 220 from OM,
A recording start instruction signal for starting a recording operation on the drive 114 is transmitted to the CD-ROM drive 110 and the hard disk drive 114.

In step 468, the amount of audio information 212 obtained in step 464, which is the first part of the audio information 220, is transferred to the RAM 152 as the buffer 228. At step 470, the audio information in the buffer 228 is reproduced at a normal reproduction speed.

When the recording start instruction signal transmitted in step 466 is received, the CD-ROM drive 110 and the hard disk drive 114 are mounted on the CD-ROM drive 110 in step 480 in parallel with steps 468 and 470. At step 482, the operation of reading audio information from the CD-ROM at a speed higher than the normal reproduction speed and recording the audio information on the hard disk drive 114 at a speed higher than the normal reproduction speed is started. Step 48
If the end of the recording is determined in step 4, the CD-ROM drive 110 and the hard disk drive 114 output a recording end instruction signal to the controller 154 in step 486.

If it is determined in step 472 that the controller 154 has received the recording end instruction signal, it is determined in step 474 whether or not processing of all tracks has been completed. If it is determined in step 474 that the processing for all the tracks has been completed, the processing proceeds to step 478.
Proceed to and end. Here, since the processing of the audio information 222 has not been completed, the processing proceeds to step 476. In step 476, the processing target is changed from the audio information 220 to the audio information 2
22 and returns to step 464 to repeat the same processing. These processes are repeated until it is determined in step 474 that the processes for all the tracks have been completed.

As described above, by processing the audio information for each track, it is possible to output the monitor sound at the start point of each track for reading and recording the audio information. By listening to the track to be reproduced, the currently recorded track can be confirmed.

The third embodiment will be described as a modification of the second embodiment with reference to the data flow of FIG. In the second embodiment, the audio information 220 is stored in the buffer 228.
The audio information of the audio information 212, which is the first part, is transferred. On the other hand, in the third embodiment, as shown in FIG. 4, a predetermined amount of audio information 212 is transferred to the buffer 228 and reproduced. The position of the audio information 212 to be transferred coincides with the position of the audio information 220 currently being read and recorded.

As a result, the reproduction of the monitor sound is not continuous but intermittent. However, the user can confirm which track and which part is currently being processed by listening to the monitor sound. it can.

The first embodiment of the second aspect of the present invention will be described with reference to the data flow of FIG. 7 and the flowchart of FIG. In the present embodiment, audio information read from a CD-ROM as a first recording medium is a first recording area of a hard disk drive 114 which is a recording and reproducing unit having a hard disk as a second recording medium. It is recorded in the conversion data recording area 322. In the first embodiment, the buffer 228 such as the RAM 152 is used, whereas in the present embodiment, the hard disk drive 1
14 to the second recording area, that is, the loop buffer 3
Used as 24.

As in the first embodiment, the audio information 210 shown in FIG. 7 is stored in a CD-ROM as a first recording medium mounted on a CD-ROM drive 110 as recording means.
3 conceptually shows audio information recorded in M. The audio information read from the CD-ROM at a speed higher than the normal reproduction speed is WAV format data. In step 532, the audio information is compressed into MP3 format data by the encoder 156, and in step 534, the converted data recording area 322 is set. Will be recorded. The other operations are the same as those of the second embodiment of the first aspect, and the description is omitted.

In FIGS. 7 and 9, tracks are recorded as MP3 data in the converted data storage area 322 via the encoder 156. However, when audio information is stored in the converted data storage area 322 as WAV data, the encoder is used. 156 may not be required. Also, the encoder 15
6, WAV data is converted to MP3 data, but the format of the data is not limited to these.

As described above, by using a part of the hard disk as a loop buffer, the audio information is recorded in the audio information recording apparatus in which reading and recording are performed at a speed higher than that of reproduction without specially preparing a buffer. While listening to the monitor sound, it is possible to confirm the audio information being recorded.

The second embodiment will be described with reference to the data flow of FIG. 8 and the flowchart of FIG.

In this embodiment, no buffer is used. That is, in step 564, the first part of the track of the audio information recorded in the converted data recording area 322 in steps 582 to 586 at a speed higher than the normal reproduction speed is reproduced.

In FIG. 10, although the track is recorded in the conversion data storage area 322 via the encoder 156, the audio information is not converted to the MP3 data, and the track is stored in the conversion data storage area 322 as WAV data. Good.
Alternatively, as shown in FIG. 8, the MP3 data may be converted into WAV data by the decoder 158 and then reproduced.
Although the encoder 156 and the decoder 158 convert between WAV data and MP3 data, the data format is not limited to these.

As described above, the audio information read from the CD-ROM and recorded on the hard disk is reproduced for each track as a monitor sound, so that a buffer is not required, and the reading and recording of the audio information can be performed at a higher speed than the reproduction. By listening to the audio information as the monitor sound while recording the audio information in the audio information recording device described in the above, the track of the audio information recorded by the audio information recording device can be confirmed.

In the first and second embodiments, the CD-ROM is used as the first recording medium and the hard disk is used as the second recording medium, but the present invention is not limited to this. For example, a CD-R / RW, a memory card, or the like may be used as the first recording medium and the second recording medium.
The hard disk may be used as a first recording medium. The first to third embodiments of the first embodiment and the first and second embodiments of the second embodiment can be implemented in combination as needed.

[0045]

The present invention provides an audio information processing apparatus and method for reading and recording audio information at a higher speed than normal reproduction of audio information, and outputting a monitor sound during recording of audio information. I do. By listening to the audio information being recorded as a monitor sound while recording the audio information, the recording operation of the audio information can be confirmed.

[Brief description of the drawings]

FIG. 1 is a block diagram of an audio information recording / reproducing apparatus according to the present invention.

FIG. 2 is a data flow of the first embodiment of the first aspect of the present invention.

FIG. 3 is a data flow of the second embodiment of the first aspect of the present invention.

FIG. 4 is a data flow of the third embodiment of the first aspect of the present invention.

FIG. 5 is a flowchart of the first embodiment of the first aspect of the present invention.

FIG. 6 is a flowchart of a second embodiment of the first aspect of the present invention.

FIG. 7 is a data flow of the first embodiment of the second aspect of the present invention.

FIG. 8 is a data flow of the second embodiment of the second aspect of the present invention.

FIG. 9 is a flowchart of the first embodiment of the second aspect of the present invention.

FIG. 10 is a flowchart of a second embodiment of the second aspect of the present invention.

[Explanation of symbols]

 110 CD-ROM drive 114 Hard disk drive 152 RAM 156 Encoder 158 Decoder

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5D044 AB05 BC01 BC03 CC04 DE54 EF03 EF06 FG10 HH07 HL07 5D045 DA20 5D077 AA22 AA28 BA11 CB06 EA03 EA35 HC02 5D087 AA13 AA15 AA23 CC02 CC05 DA01 DA16

Claims (8)

[Claims] A reading unit that reads audio information recorded on a first recording medium; a recording unit that records audio information read by the reading unit on a second recording medium; A third recording medium for recording a part of the outputted audio information, a reproducing unit for reproducing the audio information recorded on the third recording medium, and a recording unit for recording on the first recording medium. Controlling the reading means and the recording means such that the read audio information is read at a speed higher than the reproduction speed, and the read audio information is recorded on the second recording medium at a speed higher than the reproduction speed;
A part of the read audio information is recorded on a third recording medium, and the reproducing means is controlled so that the audio information recorded on the third recording medium is reproduced at a reproduction speed. A voice information processing apparatus comprising: a control unit. 2. The sound information is composed of a plurality of tracks, and the control means reads out the sound information recorded on the first recording medium at a speed higher than a reproduction speed, and reads the read sound information. The read means and the recording means are controlled so that the read audio information is recorded on the second recording medium at a speed higher than the reproduction speed, and a part of the read audio information in each track is read every time each track is read. Third
The audio information processing apparatus according to claim 1, wherein the audio information is recorded on a recording medium, and the reproducing unit is controlled so that the audio information recorded on the third recording medium is reproduced at a reproduction speed. 3. A reading means for reading audio information composed of a plurality of tracks recorded on a first recording medium, and a second recording area and a first recording area for recording audio information. A second recording medium having a recording area of: and audio information is recorded in a first recording area of the second recording medium;
Recording / reproducing means for recording a part of audio information in a track in a second recording area of a second recording medium and reproducing the recorded audio information, wherein the audio information recorded on the first recording medium is The read unit and the recording / reproducing unit are controlled so that the read audio information is read at a speed higher than the reproduction speed and the read audio information is recorded in the first recording area of the second recording medium at a speed higher than the reproduction speed. At the same time, a part of the read audio information in each track is recorded in the second recording area of the second recording medium every time each track is read, and Control means for controlling the recording / reproducing means so that the voice information recorded in the recording area is reproduced at a reproduction speed. 4. A reading means for reading audio information comprising a plurality of tracks recorded on a first recording medium; a recording / reproducing means for recording audio information on a second recording medium and reproducing the audio information; The reading means such that audio information recorded on the first recording medium is read at a speed higher than a reproduction speed, and the read audio information is recorded on a second recording medium at a speed higher than a reproduction speed. And control means for controlling the recording / reproducing means, and controlling the recording / reproducing means so that a part of the audio information in each track of the read audio information is reproduced at a reproduction speed every time each track is read. An audio information processing apparatus including: 5. A method of reading audio information recorded on a first recording medium at a speed higher than a reproduction speed, recording the read audio information on a second recording medium at a speed higher than a reproduction speed, and reading the read audio information. A part of the audio information recorded on the third recording medium, and the audio information recorded on the third recording medium is reproduced at a reproduction speed. 6. The audio information recorded on the first recording medium is composed of a plurality of tracks, and a part of the read audio information in each track is replaced with the third audio information every time the track is read. The audio information processing method according to claim 5, wherein the audio information is recorded on the recording medium, and the audio information recorded on the third recording medium is reproduced at a reproduction speed. 7. The audio information recorded on the first recording medium is read at a speed higher than the reproduction speed, and the read audio information is recorded on the first recording area of the second recording medium at a speed higher than the reproduction speed. At the same time, a part of the read audio information in each track is recorded in the second recording area of the second recording medium every time each track is read, and is stored in the second recording area of the second recording medium. An audio information processing method for reproducing the recorded audio information at a reproduction speed. 8. A method for reading audio information recorded on a first recording medium at a speed higher than a reproduction speed, recording the read audio information on a second recording medium at a speed higher than a reproduction speed, and reading the read audio information. The audio information processing method of reproducing a part of audio information in each track at a reproduction speed every time each track is read.