JPH043880B2 - - Google Patents

Info

Publication number

JPH043880B2

JPH043880B2 JP62030194A JP3019487A JPH043880B2 JP H043880 B2 JPH043880 B2 JP H043880B2 JP 62030194 A JP62030194 A JP 62030194A JP 3019487 A JP3019487 A JP 3019487A JP H043880 B2 JPH043880 B2 JP H043880B2

Authority

JP

Japan

Prior art keywords

sound source

pulse

lpc

audio signal

input audio

Prior art date

1987-02-10

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.)

Expired

Links

• Espacenet
• Global Dossier
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• 230000005236 sound signal Effects 0.000 claims description 38
• 230000003595 spectral effect Effects 0.000 claims description 11
• 239000011295 pitch Substances 0.000 description 26
• 230000015572 biosynthetic process Effects 0.000 description 19
• 238000003786 synthesis reaction Methods 0.000 description 19
• 238000000034 method Methods 0.000 description 10
• 238000005311 autocorrelation function Methods 0.000 description 9
• 230000005540 biological transmission Effects 0.000 description 8
• 238000005314 correlation function Methods 0.000 description 8
• 238000010586 diagram Methods 0.000 description 7
• 238000004364 calculation method Methods 0.000 description 6
• 238000004422 calculation algorithm Methods 0.000 description 3
• 230000006866 deterioration Effects 0.000 description 3
• 230000001755 vocal effect Effects 0.000 description 3
• 238000004891 communication Methods 0.000 description 2
• 239000002131 composite material Substances 0.000 description 2
• 239000000284 extract Substances 0.000 description 2
• 238000012545 processing Methods 0.000 description 2
• 238000012546 transfer Methods 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 1
• 230000005284 excitation Effects 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 230000000737 periodic effect Effects 0.000 description 1
• 238000005070 sampling Methods 0.000 description 1
• 238000001228 spectrum Methods 0.000 description 1
• 238000001308 synthesis method Methods 0.000 description 1
• 230000002194 synthesizing effect Effects 0.000 description 1
• 238000012360 testing method Methods 0.000 description 1