SU135516A1 - Spectral-band method of speech compression (band vocoder) - Google Patents
Spectral-band method of speech compression (band vocoder)Info
- Publication number
- SU135516A1 SU135516A1 SU614257A SU614257A SU135516A1 SU 135516 A1 SU135516 A1 SU 135516A1 SU 614257 A SU614257 A SU 614257A SU 614257 A SU614257 A SU 614257A SU 135516 A1 SU135516 A1 SU 135516A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- band
- vocoder
- spectral
- speech
- speech compression
- Prior art date
Links
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Description
Известен способ спектрально-полосной компрессии речи, согласно которому текуп а спектральна плотность речевого процесса подвергаетс па.чизу.The known method of spectral-band compression of speech, according to which the coupon and spectral density of the speech process is subjected to a second.
11|)ед.1агаемы| 1 cnoci)6 дает нозможиость .icnTi 1)азбо1)чпиосг, сйптез1 роваиной речи. Это достигаетс тем. что в липшо передают iriфор .мацию об урови .х ограннчеиного числа с, агаемы. речевого сигнал. управл ют зату.арп1ем косинусного 1 орректо|1а сннтезнруюи1,ей цепи.11 |) unit.1agey | 1 cnoci) 6 gives the impossibility of .icnTi 1) azbo1) pyosg, speech synthesis. This is achieved by those. that irifor. matsiyu about levels .x of the bounding number with, agaems are transferred to the file. speech signal. control the clock of the cosine 1 orocto | 1a circuit and its circuit.
В вокодере в качестве управл ющп.х сигналов используютс коэффициенты р да Фурье, на которые разлагаетс огибающа текущего спектра нередавае.мого речевого ироцесса. При разложение проис .ходит не но времени, как 3)то прин то в нзвестн1-л. видах вокодера, а по частоте, в качестве иерел енно1 г разложени . Дл синтеза сигнала нсио ,чьзук)тс Kocnnycrn ie ;;орректо 1ы, которых измен етс но косинусному закон} в зависимости от частоты, при этом амплитуда ко синусного зату.чаин опреде.т етс ве.тичнноГг одного из активны.ч соиротив ,тенмй, вход щих в с.хему корректора.In the vocoder, the Fourier transform coefficients are used as control signals, into which the envelope of the current spectrum of the unavoidable speech process is decomposed. When decomposition takes place not over time, as 3) it is accepted in the well-known one. types of vocoder, and in frequency, as hirenenno1 g decomposition. In order to synthesize the signal ncio, a bit) Kocnnycrn ie ;; prorecoto 1y, which changes but the cosine law} depending on the frequency, while the amplitude of the sinus chant is determined by one of one of the active. included in the schema corrector.
Разложение огибающей спектра производитс в масштабе ypoBHeii. а упра15л юи1,ими сигналами измен ют соответствующие соиротив.гени.ч п схемах группы косинусных корректоров, выходные напр жени которых в су.мме воссоздают исходный сигнал.Spectrum envelope decomposition is performed on the ypoBHeii scale. and control them, they use their signals to alter the corresponding co-generator. h in the schemes of the group of cosine correctors, whose output voltages in sum.m. re-create the original signal.
И р е д м е т изобретен и And redeme invented and
(Способ ciieKTpa.ibno-no;iociiOH ко,м1фессии речи (полосный вокодер) с передаче информации о jibicoie основного тона речи, отличающийс тем, что, с целью повышени разборчивост синтезнрованно речи, в лииию передают информацию об уровн х ограниченного числа с.лагаемых речевого сигнала и )а15ЛЯ1ОТ затуханием косинусного корjiCKTOiKi сиитезирук)ше) цепи.(Method ciieKTpa.ibno-no; iociiOH co., Speech language sessions (band vocoder) from transmitting jibicoie information to the pitch of speech, characterized in that, in order to improve synthesized speech, information about the levels of a limited number of speech signal and) 15LA1OT from the attenuation of the cosine core of the jiKKTOiKi siiteziruk) above) circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU614257A SU135516A1 (en) | 1958-12-18 | 1958-12-18 | Spectral-band method of speech compression (band vocoder) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU614257A SU135516A1 (en) | 1958-12-18 | 1958-12-18 | Spectral-band method of speech compression (band vocoder) |
Publications (1)
Publication Number | Publication Date |
---|---|
SU135516A1 true SU135516A1 (en) | 1960-11-30 |
Family
ID=48291830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU614257A SU135516A1 (en) | 1958-12-18 | 1958-12-18 | Spectral-band method of speech compression (band vocoder) |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU135516A1 (en) |
-
1958
- 1958-12-18 SU SU614257A patent/SU135516A1/en active
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