ANALOG SIGNAL REPRODUCER
PURPOSE:To apply an analog signal reproducer to a sound synthesizer and to realize the effective use of the storage capacity of a memory, by providing a means to obtain the sound frequency information out of the sound information read out of the memory and a means to vary the reading speed of the me...
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| creator | NAKAMURA SHIYOUZOU |
| description | PURPOSE:To apply an analog signal reproducer to a sound synthesizer and to realize the effective use of the storage capacity of a memory, by providing a means to obtain the sound frequency information out of the sound information read out of the memory and a means to vary the reading speed of the memory in response to the above-mentioned frequency information. CONSTITUTION:A memory 101 to which the sound information is recorded is loaded to a reproducer 301. An address counter 302 is connected to an address terminal of the memory 101, and the clock pulse having variable frequency is applied to the counter 302 from a voltage control oscillator (VCO) 303. An A/D conversion is given to the frequency information of 2 bits which is read out of the memory 101, and the oscillating frequency of the VCO303 is controlled by the output voltage of the A/D conversion. The oscillating frequency of the VCO303 is set in response to the oscillating frequency of a VCO113 which is obtained in a writing mode. In such a constitution, the memory 101 performs the reading at a speed corresponding to the stored frequency information. Thus an effective application is possible for a memory element. |
| format | Patent |
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CONSTITUTION:A memory 101 to which the sound information is recorded is loaded to a reproducer 301. An address counter 302 is connected to an address terminal of the memory 101, and the clock pulse having variable frequency is applied to the counter 302 from a voltage control oscillator (VCO) 303. An A/D conversion is given to the frequency information of 2 bits which is read out of the memory 101, and the oscillating frequency of the VCO303 is controlled by the output voltage of the A/D conversion. The oscillating frequency of the VCO303 is set in response to the oscillating frequency of a VCO113 which is obtained in a writing mode. In such a constitution, the memory 101 performs the reading at a speed corresponding to the stored frequency information. Thus an effective application is possible for a memory element.</description><language>eng</language><subject>ACOUSTICS ; INFORMATION STORAGE ; MUSICAL INSTRUMENTS ; PHYSICS ; SPEECH ANALYSIS OR SYNTHESIS ; SPEECH OR AUDIO CODING OR DECODING ; SPEECH OR VOICE PROCESSING ; SPEECH RECOGNITION ; STATIC STORES</subject><creationdate>1983</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830523&DB=EPODOC&CC=JP&NR=S5885997A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830523&DB=EPODOC&CC=JP&NR=S5885997A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAKAMURA SHIYOUZOU</creatorcontrib><title>ANALOG SIGNAL REPRODUCER</title><description>PURPOSE:To apply an analog signal reproducer to a sound synthesizer and to realize the effective use of the storage capacity of a memory, by providing a means to obtain the sound frequency information out of the sound information read out of the memory and a means to vary the reading speed of the memory in response to the above-mentioned frequency information. CONSTITUTION:A memory 101 to which the sound information is recorded is loaded to a reproducer 301. An address counter 302 is connected to an address terminal of the memory 101, and the clock pulse having variable frequency is applied to the counter 302 from a voltage control oscillator (VCO) 303. An A/D conversion is given to the frequency information of 2 bits which is read out of the memory 101, and the oscillating frequency of the VCO303 is controlled by the output voltage of the A/D conversion. The oscillating frequency of the VCO303 is set in response to the oscillating frequency of a VCO113 which is obtained in a writing mode. In such a constitution, the memory 101 performs the reading at a speed corresponding to the stored frequency information. 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CONSTITUTION:A memory 101 to which the sound information is recorded is loaded to a reproducer 301. An address counter 302 is connected to an address terminal of the memory 101, and the clock pulse having variable frequency is applied to the counter 302 from a voltage control oscillator (VCO) 303. An A/D conversion is given to the frequency information of 2 bits which is read out of the memory 101, and the oscillating frequency of the VCO303 is controlled by the output voltage of the A/D conversion. The oscillating frequency of the VCO303 is set in response to the oscillating frequency of a VCO113 which is obtained in a writing mode. In such a constitution, the memory 101 performs the reading at a speed corresponding to the stored frequency information. Thus an effective application is possible for a memory element.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS INFORMATION STORAGE MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION STATIC STORES |
| title | ANALOG SIGNAL REPRODUCER |
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