JPH02139764A - Automatic adjusting device for accompaniment sound generated from accompaniment sound generator - Google Patents

Automatic adjusting device for accompaniment sound generated from accompaniment sound generator

Info

Publication number
JPH02139764A
JPH02139764A JP63292856A JP29285688A JPH02139764A JP H02139764 A JPH02139764 A JP H02139764A JP 63292856 A JP63292856 A JP 63292856A JP 29285688 A JP29285688 A JP 29285688A JP H02139764 A JPH02139764 A JP H02139764A
Authority
JP
Japan
Prior art keywords
accompaniment
accompaniment sound
singing
sound
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63292856A
Other languages
Japanese (ja)
Inventor
Yoji Sugiura
杉浦 洋治
Shinichi Wakita
真一 脇田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP63292856A priority Critical patent/JPH02139764A/en
Publication of JPH02139764A publication Critical patent/JPH02139764A/en
Pending legal-status Critical Current

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  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)

Abstract

PURPOSE:To allow accompaniment sound to automatically follow the key of a personal song by detecting musical notes on a musical score for the song and its accompaniment and controlling the tempo of the accompaniment sound so as to allow the accompaniment sound to coincide with the musical note of the song. CONSTITUTION:Accompaniment music is recorded in one track of a tape to be reproduced by an accompaniment sound generator 5 and supplied to a key control circuit 7 and a song to be sung to the accompaniment of the music is recorded on another track of the tape as the performance of a single musical instrument and outputted to a song information detecting circuit 6. A score information detecting circuit 3 detects which not on the musical score is sung by the personal song and an operation control circuit 4 compares notes on the score played by the accompaniment with that sung by the personal song and controls a key control circuit 7 based upon the compared output so that the scale of the notes of the accompaniment coincides with that of the notes sung by the song. Thus, accompaniment sound can be controlled so as to follow the tempo and key of the personal song.

Description

【発明の詳細な説明】 (イ) 産業上の利用分野 本発明は伴奏音発生装置の発生音自動調整装置に関する
ものであり、更に詳説すると、本発明は録音テープやコ
ンパクトディスク(CD)等に記録された伴奏音楽を再
生して、その伴奏音楽に従って歌唱する所謂カラオケ装
置等に使用して歌唱音に自動的に追従する伴奏音のキー
の自動v4整装置に関するものである。
[Detailed Description of the Invention] (a) Industrial Application Field The present invention relates to an automatic sound adjustment device for an accompaniment sound generator. This invention relates to an automatic V4 adjustment device for accompaniment sound keys that automatically follows the singing sound and is used in a so-called karaoke device or the like that reproduces recorded accompaniment music and sings according to the accompaniment music.

(ロ)従来の技術 従来、録音テープやコンパクトディスク等の記録媒体に
演歌等の音楽の楽器による伴奏音楽のみを記録しておき
、これら録音テープやコンパクトディスクをテープレコ
ーダやCDプレーヤに装着して記録音を再生する所謂カ
ラオケ装置がある。
(b) Conventional technology Conventionally, only the instrumental accompaniment music for music such as enka is recorded on a recording medium such as a recording tape or a compact disc, and these recording tapes or compact discs are loaded into a tape recorder or CD player. There is a so-called karaoke device that plays back recorded sounds.

そして従来のテープレコーダやCDプレーヤによる記録
音の再生時には記録された伴奏音楽がそのまま再生され
るので、同等不都合はない。
When the recorded sound is played back by a conventional tape recorder or CD player, the recorded accompaniment music is played back as is, so there is no similar problem.

しかし乍ら、素人がこの再生された伴奏に合わせて歌唱
する場合、再生される伴奏音楽のキーが高すぎたり、或
いは低すぎたりして、上手に歌唱できない場合がある。
However, when an amateur sings to this reproduced accompaniment, the key of the reproduced accompaniment music may be too high or too low, making it difficult to sing well.

また、再生される伴奏音楽のテンポが素人にはついてい
けない程早過ぎたり、或いは遅過ぎて伴奏音楽と歌唱が
ずれてしまうという問題がある。
Another problem is that the tempo of the played accompaniment music is either too fast or too slow for amateurs to keep up with, resulting in a lag between the accompaniment music and the singing.

(ハ) 発明が解決しようとする課題 本発明は前述の如き従来のカラオケ装置における再生伴
奏音楽と人の歌唱音のキーのずれをなくすることを目的
とする。
(c) Problems to be Solved by the Invention It is an object of the present invention to eliminate the key misalignment between the accompaniment music reproduced and the human singing sound in the conventional karaoke apparatus as described above.

(ニ) 課題を解決するための手段 再生速度が可変できる構成の伴奏音を発生するための電
気的伴奏音発生装置と、伴奏音発生装置に用いられる音
楽テープや光ディスク等の記録媒体に記録されている歌
唱情報を検出する歌唱情報検出回路と、人の歌唱音声を
電気信号に変換するマイクロフォンと、該マイクロフォ
ンで電気信号に変換された音声信号から歌唱音声の楽り
l情報、即ち1階及び音符等を検出する楽譜情報検出回
路と、前記伴奏音発生装置で出力される伴奏音のキー<
m子)を制御するキー制御回路と、キー制御回路を制御
する演算制御回路とで構成される。
(d) Means for Solving the Problems An electrical accompaniment sound generator for generating accompaniment sounds having a variable playback speed, and a recording medium such as a music tape or an optical disc used in the accompaniment sound generation device. a singing information detection circuit that detects singing information that is being used; a microphone that converts a person's singing voice into an electrical signal; A musical score information detection circuit that detects musical notes, etc., and a key of an accompaniment sound outputted by the accompaniment sound generation device.
It is composed of a key control circuit that controls the key control circuit (m child), and an arithmetic control circuit that controls the key control circuit.

(ホ) 作用 本発明は前述の如き構成により、人の歌唱のキー(調子
)に伴奏が追従するよう伴奏片を制御する。
(e) Operation The present invention uses the above-described configuration to control the accompaniment pieces so that the accompaniment follows the key (tone) of a person's singing.

(へ)実施例 本発明について実施例と共に説明する。(f) Example The present invention will be explained along with examples.

第1図は本発明のシステム構成例を示す回路ブロック図
である。第1図において、(1)はマイクロフォンで、
入力きれた音声を電気信号(音声信号と称す)に変換す
る。(2)は該音声信号を増巾する増幅回路(アンプ)
である、マイクロフォン(1)に向かって唄われた歌唱
が前記°マイクロフォン(1)で音声信号に変換され、
楽譜情報検出回路(3)と混合回路(8)に入力される
。楽譜情報検出回路(3)は音声信号から歌唱の楽譜情
報、即ち音階や音符長等の情報を検出する。(5)は伴
奏「発生装置であり、例えばテープレコーダやCDプレ
ーヤなどで構成される0本実施例では、テープレコーダ
を例にとって説明する。伴奏音発生装置く5)で再生す
るテープの1つのトラックには、伴奏用音楽が記録され
ており、キー制御回路(7)に供給される。伴奏音発生
装置(5)で再生されるテープの別のトラックにはこの
伴奏に合わせて唄われるべき歌唱が単音楽器の演奏とし
て記録されており、歌唱情報検出回路(6)へ出力きれ
る。歌唱情報検出回路は演奏される楽器音の音声信号か
ら、音階、、音符長等の楽譜情報を検出する。キー制御
回路(7)は演算制御回路(4)の制御に基づき、入力
される伴奏音のキー(調子)を可変する。
FIG. 1 is a circuit block diagram showing an example of the system configuration of the present invention. In Figure 1, (1) is a microphone,
Converts the input voice into an electrical signal (referred to as an audio signal). (2) is an amplification circuit (amplifier) that amplifies the audio signal.
The song sung into the microphone (1) is converted into an audio signal by the microphone (1),
It is input to the score information detection circuit (3) and the mixing circuit (8). A musical score information detection circuit (3) detects musical score information for singing, ie, information such as scale and note length, from the audio signal. (5) is an accompaniment sound generating device, which is composed of, for example, a tape recorder or a CD player.In this embodiment, a tape recorder will be explained as an example. Accompaniment music is recorded on the track and is supplied to the key control circuit (7).Another track of the tape played by the accompaniment sound generator (5) has music to be sung along with this accompaniment. Singing is recorded as a performance on a single musical instrument, and is output to the singing information detection circuit (6).The singing information detection circuit detects musical score information such as scale, note length, etc. from the audio signal of the instrument sound being played. The key control circuit (7) varies the key (tone) of the input accompaniment tone based on the control of the arithmetic control circuit (4).

アンプ(2)で出力される音声信号と、キー制御装置(
7)で出力される伴奏音の楽音信号は混合回路(8)で
混合きれ、スピーカ(9)にて楽音として再生される。
The audio signal output from the amplifier (2) and the key control device (
The musical tone signals of the accompaniment tones outputted in step 7) are mixed by a mixing circuit (8) and reproduced as musical tones by a speaker (9).

次に、人の歌唱に伴奏音のキーを追従させる動作につい
て説明する。先ず、伴奏音が楽譜上のどの音符を演奏し
ているかは、前記歌唱情報検出回路〈6)で検出される
0人の歌唱が楽譜上のどの音符を歌唱しているかは、同
様に楽譜情報検出回路(3)で検出される。従って、歌
唱情報検出回路(6)は、この場合は楽譜情報検出回路
(3)と同じ構成のものであっても良い、演算制御回路
(4)は伴奏の演奏きれている楽譜上の音符と、歌唱が
唄われている楽譜上の音符とを比較し、その出力で歌唱
の唄われている音符の音階に伴奏の音符の音階が一致す
るようキー制御回路(7)を制御する。
Next, the operation of making the key of the accompaniment sound follow a person's singing will be explained. First, which note on the musical score is played by the accompaniment sound is determined by the musical score information, and which note on the musical score is sung by the 0 singers detected by the singing information detection circuit <6). It is detected by the detection circuit (3). Therefore, the singing information detection circuit (6) may have the same configuration as the score information detection circuit (3) in this case. , and the musical notes on the musical score on which the singing is sung, and the key control circuit (7) is controlled by the output so that the scale of the accompaniment notes matches the scale of the musical notes on which the singing is sung.

楽譜上の同じ音符の音階が一致するという事はキー(調
子)が一致するという事である。尚、この伴奏のキーを
歌唱のキーに一致きせる制御を音符毎に急激に行うと、
伴奏音が急激に変化しすぎて、反って唄いづらくなる。
If the scales of the same notes on the musical score match, it means that the keys (tones) match. Furthermore, if you rapidly control the accompaniment key to match the singing key for each note,
The accompaniment sounds change too rapidly, making it warp and difficult to sing.

それ故およそ1小節ぐらいの遅れを持って、キーを合わ
せるよう制御するのが良い。
Therefore, it is best to control the keys so that they match with a delay of about one measure.

次に人の歌唱に伴奏音のテンポを追従させる動作につい
て述べる。前述と同様に、歌唱と伴奏音の楽譜上の音符
を検出し、歌唱の音符と一致するよう伴奏音のテンポを
制御する。この場合、伴奏音発生装置(5)の再生速度
を可変すれば良い、伴奏音発生装置がテープレコーダで
あれば、テープ走行を駆動するモーターの回転速度を上
下すれば良い、(4!奏音発生装置(5)がCDプレー
ヤである場合は、ディスクの回転数を変えれば良い、も
ちろん、この場合、CDから再生されるディジタルデー
タをサンプリングし、音声信号を再生する際のサンプリ
ングクロックを、ディスク回転数の変動に比例して変え
なければならない、伴奏音発生装!(5)の再生速度を
変えると、これから再生きれる伴奏音のキーがこれに比
例して上下する。即ら、m倍の速度で再生すれば、再生
される伴奏音のキーはm倍になる。従って、キー制御回
路(7)を制御し、ここで17m倍のキーにするよう制
御すれば、伴奏音発生装置の再生速度が変わる事により
、変化したキーがキー制御回路(7)の出力側では元に
戻る。このようにすれば、歌唱のテンポに伴奏音のテン
ポを追従させる事が出来る。
Next, we will discuss the operation of making the tempo of the accompaniment sound follow a person's singing. As described above, the musical notes of the singing and accompaniment sounds on the musical score are detected, and the tempo of the accompaniment sound is controlled to match the singing notes. In this case, it is sufficient to vary the playback speed of the accompaniment sound generating device (5).If the accompaniment sound generating device is a tape recorder, it is sufficient to increase or decrease the rotational speed of the motor that drives the tape running (4! If the generator (5) is a CD player, you can simply change the number of rotations of the disc.Of course, in this case, the sampling clock used to sample digital data played from the CD and play back the audio signal is set to the disc. If you change the playback speed of the accompaniment sound generator (5), which must be changed in proportion to the fluctuation of the rotational speed, the key of the accompaniment sound that will be played from now on will move up and down in proportion to this.In other words, If the accompaniment sound is played back at the same speed, the key of the accompaniment sound to be played will be multiplied by m.Therefore, if the key control circuit (7) is controlled to set the key to 17m times, the playback of the accompaniment sound generator will be increased. By changing the speed, the changed key returns to its original state on the output side of the key control circuit (7).In this way, it is possible to make the tempo of the accompaniment sound follow the tempo of the singing.

また、前記のキーの追従とテンポの追従を同時に行なえ
ば、歌唱する人のキーやテンポに伴奏を合わす事が出来
、カラオケを唄う場合など、テンポはずれや音程ずれが
大巾に軽減出来る。
Furthermore, if the above-mentioned key tracking and tempo tracking are performed at the same time, the accompaniment can be matched to the key and tempo of the singer, and tempo and pitch deviations can be greatly reduced when singing karaoke.

次に楽譜情報の検出回路(3)について述べる。Next, the musical score information detection circuit (3) will be described.

第2図は楽譜情報検出の仕方を示すタイムチャートであ
り、(a)は歌われるべき楽譜、(b)は歌唱の音声信
号の包絡の強度を示すタイムチャート、(C)は(b)
を一定レベルでスライスし、歌唱の有無を弁別する2倍
侶号、(d)は検出された歌唱情報を示す、第2図にお
いて横軸は時間軸(1)である。
Figure 2 is a time chart showing how to detect musical score information, (a) is the musical score to be sung, (b) is a time chart showing the envelope strength of the singing audio signal, and (C) is (b)
(d) shows the detected singing information. In FIG. 2, the horizontal axis is the time axis (1).

歌唱の有無を第2図(C)に示すように検出したのち、
この歌唱の音階を検出する。歌唱の音階は人の声の基本
ピッチ(周期)であり、本件発明者はこの基本ピッチの
検出については、特開昭62−115499号および特
開昭62−115500号(CIOL 9/12) ’
音声信号の基市周期検出装置」において、その技術を開
示している。これら先願特許において、音声信号の極性
反転時点を演算する事により基本周期〈即ち本件の場合
、音階)を検出出来る事を開示している。従って、歌唱
がある位置の音階を検出する事により、第2図(d)に
示すように、唄われた音階とその持続時間(即ち音符長
)を検出する事が出来る。第2図(a)の(21)、(
22)、(23)、(24)、(25)、(26)、(
27)は音符であり、各音符は音階と音符長により構成
される0例えば、音符(21)は音階がCs(ドの音)
、音符長が4分音符である。同図(a)の楽譜が唄われ
ると、(b)に示すような音声の包絡が得られる。(a
)の(25)は休止符であり、この休止符の間の発生は
ないから、音声の包絡は(b)に示すように、前半の(
31)と後半の(32)の部分に分けられる。これを2
値信号とすれば、(C)で示すように歌唱の有無のタイ
ミングが分かる。
After detecting the presence or absence of singing as shown in Figure 2 (C),
Detect the scale of this singing. The singing scale is the basic pitch (period) of the human voice, and the inventor of the present invention describes the detection of this basic pitch in Japanese Patent Application Laid-open No. 62-115499 and No. 62-115500 (CIOL 9/12).
The technology is disclosed in "Basic cycle detection device for audio signals". These earlier patents disclose that the fundamental period (that is, the musical scale in this case) can be detected by calculating the polarity reversal point of the audio signal. Therefore, by detecting the scale at a certain position of singing, it is possible to detect the scale sung and its duration (ie, note length), as shown in FIG. 2(d). (21) in Figure 2(a), (
22), (23), (24), (25), (26), (
27) is a musical note, and each note is composed of a scale and a note length. For example, note (21) has a scale of Cs (Do note).
, the note length is a quarter note. When the musical score shown in FIG. 4(a) is sung, a sound envelope as shown in FIG. 2(b) is obtained. (a
) in (25) is a rest, and there are no occurrences between these rests, so the envelope of the sound is as shown in (b), which is the first half of (25).
31) and the latter half (32). This 2
If it is a value signal, the timing of the presence or absence of singing can be determined as shown in (C).

前述の基本周期の検出装置を用いれば、(d)で示すよ
うに歌唱の音階と音符長が検出出来る。この例では、(
51)は(21)の音符に、(52)は(22)の音符
にという具合に対応できる。
If the fundamental period detection device described above is used, the scale and note length of singing can be detected as shown in (d). In this example, (
51) can correspond to the note of (21), (52) can correspond to the note of (22), and so on.

次に歌唱情報検出回路(6)について述べる。前述の如
く、伴奏に合わせて唄われるべき歌唱が単音楽器の演奏
として、伴奏音発生装置く5)で使用されるテープの別
トラックに記録されているときは、歌唱情報検出装置t
(6)は航述した楽譜情報検出装置と同様の構成にでき
る。単音楽器で発生する楽音の音階は人の歌唱音声と同
様に基本周期に基づいているからである。したがって、
単音楽器の演奏のかわりに、人の歌唱として、これがテ
ープの別トラックに記録されていても勿論構わない、ま
た伴奏音発生装置がCDプレーヤの場合はCDで再生さ
れる伴奏と別のチャンネルにこれが記録されていても良
い。
Next, the singing information detection circuit (6) will be described. As mentioned above, when the singing to be sung along with the accompaniment is recorded as a performance on a monophonic instrument on a separate track of the tape used by the accompaniment sound generating device 5), the singing information detecting device t
(6) can be configured similarly to the musical score information detection device described above. This is because the scales of musical tones generated by monophonic instruments are based on the fundamental period, similar to human singing voices. therefore,
Of course, it does not matter if this is recorded on a separate track of the tape as a person singing instead of a performance by a single musical instrument, or if the accompaniment sound generator is a CD player, it may be recorded on a separate channel from the accompaniment played on the CD. This may be recorded.

楽器の演奏や歌唱により、伴奏に伴って唄われるべき歌
唱に関する楽譜情報を表わす事は、音楽に精通した人に
は扱い易いが、一方、歌唱情報検出回路(6)が楽譜情
報検出回路(3)と同様の構成となる事を必要とする。
It is easy for people who are familiar with music to represent music score information about singing that should be sung with accompaniment by playing a musical instrument or singing, but on the other hand, the singing information detection circuit (6) is different from the music score information detection circuit (3). ) is required to have a similar configuration.

歌唱情報検出回路(6)の構成をより簡単なものとする
には、伴奏に伴って唄われるべき歌唱情報をディジタル
データとして、例えばCDのサブフード領域に記録して
おくのが簡単である。テープレフーダの場合は、伴奏音
が記録されていないトラックにディジタル信号として記
録しておけば良い。
In order to simplify the configuration of the singing information detection circuit (6), it is easy to record the singing information to be sung along with the accompaniment as digital data, for example, in a sub-food area of a CD. In the case of a tape recorder, accompaniment sounds may be recorded as digital signals on tracks where they are not recorded.

次に、演算制御回路(4)の出力制御信号に基づき、制
御される伴奏音信号の周波数を可変するキー制御回路(
7)について述べる0本件発明者は先に米国特許第4,
658.369号「音声合成装置」、特公昭60−26
80号(GIOL 5104ど音声合成装置」、特開昭
58−44498号(GIOL 1100) ’音声合
成装置4、特開昭58−143398号(CIOL 1
100)’音声合成装置」、特開昭58−143399
号(GIOL 1100) ’ 音声合成装置」および
特開昭58−162996号(CIOL 1100) 
’音声合成装置」などにおいて、音質劣化の少ない音声
信号の周波数を変換する装置を開示している。
Next, a key control circuit (
Regarding 7), the inventor of the present invention has previously obtained U.S. Patent No. 4,
No. 658.369 "Speech Synthesizer", Special Publication 1986-26
No. 80 (GIOL 5104 Speech Synthesizer), JP 58-44498 (GIOL 1100) 'Speech Synthesizer 4, JP 58-143398 (CIOL 1)
100) 'Speech synthesis device', JP-A-58-143399
No. (GIOL 1100) 'Speech Synthesizer' and JP-A-58-162996 (CIOL 1100)
Discloses a device for converting the frequency of an audio signal with little deterioration in sound quality, such as in a 'speech synthesis device.'

これら開示例では、音声信号をサンプリングしてメモリ
に記憶し、該メモリから読み出す際、記憶と読み出しの
速度を変える事により音声信号の周波数を変換する手段
を明らかにしている。これら先願の技術に従って、本発
明の構成のキー制御回路(7)は、演算制御回路(4)
の制御に基づき、メモリから読み出す速度を変えれば良
い。
These disclosed examples disclose means for converting the frequency of an audio signal by sampling the audio signal, storing it in a memory, and changing the storage and reading speeds when reading from the memory. In accordance with the techniques of these prior applications, the key control circuit (7) configured according to the present invention includes an arithmetic control circuit (4).
The read speed from the memory can be changed based on the control.

尚、演算制御回路(4)はマイフンで構成し、楽譜情報
検出回路(3)の一部および歌唱情報検出口路(6)の
一部はこのマイフンの内部に組み入れることもできる。
Note that the arithmetic control circuit (4) may be constructed of a microphone, and a portion of the musical score information detection circuit (3) and a portion of the singing information detection channel (6) may be incorporated inside the microphone.

(ト) 発明の効果 本発明は上述のような構成により伴奏音発生装置ニおい
て、人の歌唱のキーに自動的に伴奏が追従できる装置が
得られる。
(g) Effects of the Invention The present invention provides an accompaniment sound generating device with the above-described configuration, in which an accompaniment can automatically follow the key of a person's singing.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の伴奏音発生装置の発生音自動調整装置
のシステム構成例を示すブロック回路図である。第2図
は楽譜情報検出のタイムチャート・である。 (1)・・・マイクロフォン、(2)・・・増幅回路、
(3)・・・楽譜情報検出回路、(4)演算制御回路、
(5)・・・伴奏音発生装置、(6)・・・歌唱情報検
出回路(7)・・・キー制御回路、(8)・・・混合回
路、(9)・・・スピーカ。 (a)・・・楽譜、(b)・・・歌唱の包絡を示すタイ
ムチャート、(C)・・・歌唱の有無を示すタイムチル
ート、(d)・・・歌唱情報を示すタイムチャート。
FIG. 1 is a block circuit diagram showing an example of a system configuration of a generated sound automatic adjustment device of an accompaniment sound generating device according to the present invention. FIG. 2 is a time chart of musical score information detection. (1)...Microphone, (2)...Amplification circuit,
(3)...Score information detection circuit, (4) Arithmetic control circuit,
(5)...Accompaniment sound generator, (6)...Singing information detection circuit (7)...Key control circuit, (8)...Mixing circuit, (9)...Speaker. (a) Music score, (b) Time chart showing the envelope of singing, (C) Time chart showing presence or absence of singing, (d) Time chart showing singing information.

Claims (4)

【特許請求の範囲】[Claims] (1)(a)再生速度が可変できる構成の伴奏音を発生
するための電気的伴奏音発生装置と、 (b)該伴奏音発生装置に用いられる音楽テープや光デ
ィスク等の記録媒体に記録されている歌唱情報を検出す
る歌唱情報検出回路と、 (c)人の歌唱音声を電気信号に変換する音声電気信号
変換装置と、 (d)該音声電気信号変換装置で変換された音声信号か
ら歌唱音声の音階及び音符等の楽譜情報を検出する楽譜
情報検出回路と、 (e)前記歌唱情報検出回路の出力キーと前記楽譜情報
検出回路の出力キーを比較演算して制御信号を発生する
演算制御回路と、 (f)該演算制御回路の出力制御信号により前記伴奏音
発生装置の出力伴奏音のキー(調子)を制御するキー制
御回路とを備え、 人の歌唱のキーに伴奏音が合うよう前記キー制御回路の
キーを制御することを特徴とする伴奏音発生装置の発生
音自動調整装置。
(1) (a) An electrical accompaniment sound generator for generating accompaniment sounds with a variable playback speed; (c) an audio-electrical signal converter that converts a person's singing voice into an electrical signal; and (d) a singing information detection circuit that detects singing information that is converted by the audio-electrical signal converter. a musical score information detection circuit that detects musical score information such as a vocal scale and musical notes; and (e) an arithmetic control that generates a control signal by comparing the output keys of the singing information detection circuit and the output keys of the musical score information detection circuit. (f) a key control circuit that controls the key (tone) of the accompaniment sound output from the accompaniment sound generating device according to the output control signal of the arithmetic control circuit, so that the accompaniment sound matches the key of the person singing. An automatic sound adjustment device for an accompaniment sound generator, characterized in that the device controls keys of the key control circuit.
(2)歌唱情報検出回路は楽譜情報検出回路と同一回路
構成である特許請求の範囲第1項に記載の伴奏音発生装
置の発生音自動調整装置。
(2) The automatic sound adjustment device for an accompaniment sound generator according to claim 1, wherein the singing information detection circuit has the same circuit configuration as the musical score information detection circuit.
(3)伴奏音発生装置に用いられる音楽テープや光ディ
スク等の記録媒体に記録される歌唱情報は該記録媒体の
複数のトラック又はチャンネルのうち、伴奏音用音楽の
入っていないトラック又はチャンネルに記録されている
事を特徴とする特許請求の範囲第1項又は第2項に記載
の伴奏音発生装置の発生音自動調整装置。
(3) Singing information recorded on a recording medium such as a music tape or optical disk used in an accompaniment sound generation device is recorded on a track or channel that does not contain music for accompaniment sound among multiple tracks or channels of the recording medium. An automatic sound adjustment device for an accompaniment sound generator according to claim 1 or 2, characterized in that:
(4)歌唱情報は人の音声又は楽器音を電気信号に変換
して記録されていることを特徴とする特許請求の範囲第
1項に記載の伴奏音発生装置の自動調整装置。
(4) The automatic adjustment device for an accompaniment sound generating device according to claim 1, wherein the singing information is recorded by converting a human voice or musical instrument sound into an electrical signal.
JP63292856A 1988-11-18 1988-11-18 Automatic adjusting device for accompaniment sound generated from accompaniment sound generator Pending JPH02139764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63292856A JPH02139764A (en) 1988-11-18 1988-11-18 Automatic adjusting device for accompaniment sound generated from accompaniment sound generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63292856A JPH02139764A (en) 1988-11-18 1988-11-18 Automatic adjusting device for accompaniment sound generated from accompaniment sound generator

Publications (1)

Publication Number Publication Date
JPH02139764A true JPH02139764A (en) 1990-05-29

Family

ID=17787256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63292856A Pending JPH02139764A (en) 1988-11-18 1988-11-18 Automatic adjusting device for accompaniment sound generated from accompaniment sound generator

Country Status (1)

Country Link
JP (1) JPH02139764A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0535286A (en) * 1991-02-14 1993-02-12 Funai Electric Co Ltd Song reproducing device
JP2007015200A (en) * 2005-07-07 2007-01-25 Sanbii Kk Storing case of insertion type printing body

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012587A (en) * 1983-07-01 1985-01-22 クラリオン株式会社 Musical interval control system
JPS62271254A (en) * 1986-05-20 1987-11-25 Sanyo Electric Co Ltd Reproducing device for music

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012587A (en) * 1983-07-01 1985-01-22 クラリオン株式会社 Musical interval control system
JPS62271254A (en) * 1986-05-20 1987-11-25 Sanyo Electric Co Ltd Reproducing device for music

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0535286A (en) * 1991-02-14 1993-02-12 Funai Electric Co Ltd Song reproducing device
JP2007015200A (en) * 2005-07-07 2007-01-25 Sanbii Kk Storing case of insertion type printing body

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