FIELD: encoding and decoding devices.
SUBSTANCE: invention relates to the speech encoding and decoding means. Speech decoder includes a demultiplexing unit, a low frequency band decoding unit, a frequency band separation bank unit, an encoded sequence analysis unit, an encoded sequence decoding/dequantization unit, a high frequency band generating unit, units for calculating a time envelope of a low-frequency band which obtain a plurality of temporary envelopes of the low-frequency band, a unit for calculating a time envelope which calculates time envelopes of the high-frequency band using information on the time envelope and a plurality of temporal envelopes of the low-frequency band, time envelope correction unit, which corrects the high frequency band components time envelope using produced by the time envelope calculating unit time envelopes, and the band synthesis filter bank unit.
EFFECT: technical result consists in reducing leading and lagging echo.
14 cl, 40 dwg
| Title |
Year |
Author |
Number |
| SPEECH DECODER, SPEECH ENCODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH ENCODING PROGRAM |
2012 |
- Kikuiri Kej
- Yamaguti Atsusi
|
RU2599966C2 |
| SPEECH DECODER, SPEECH ENCODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH ENCODING PROGRAM |
2018 |
- Kikuiri, Kei
- Yamaguchi, Atsushi
|
RU2674922C1 |
| SPEECH DECODER, SPEECH ENCODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH ENCODING PROGRAM |
2018 |
- Kikuiri, Kej
- Yamaguti, Atsusi
|
RU2679973C1 |
| DECODER OF SPEECH, CODER OF SPEECH, METHOD OF DECODING THE SPEECH, METHOD OF CODING THE SPEECH, PROGRAM OF DECODING THE SPEECH AND PROGRAM OF CODING THE SPEECH |
2012 |
- Kikuiri Kej
- Yamaguti Atsusi
|
RU2630379C1 |
| SPEECH DECODER, SPEECH CODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH CODING PROGRAM |
2020 |
- Kikuiri, Kei
- Yamaguchi, Atsushi
|
RU2742199C1 |
| SPEECH DECODER, SPEECH CODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH CODING PROGRAM |
2019 |
- Kikuiri, Kei
- Yamaguchi, Atsushi
|
RU2718425C1 |
| DECODER OF SPEECH, CODER OF SPEECH, METHOD OF SPEECH DECODING, METHOD OF SPEECH CODING, SPEECH DECODING PROGRAM AND SPEECH CODING PROGRAM |
2017 |
- Kikuiri, Kei
- Yamaguchi, Atsushi
|
RU2651193C1 |
| SPEECH ENCODER, SPEECH DECODER, SPEECH ENCODING METHOD, SPEECH DECODING METHOD, SPEECH ENCODING PROGRAM AND SPEECH DECODING PROGRAM |
2010 |
- Tsudzino Kosuke
- Kikuiri Kej
- Naka Nobukhiko
|
RU2498421C2 |
| SPEECH ENCODER, SPEECH DECODER, SPEECH ENCODING METHOD, SPEECH DECODING METHOD, SPEECH ENCODING PROGRAM AND SPEECH DECODING PROGRAM |
2010 |
- Tsudzino Kosuke
- Kikuiri Kej
- Naka Nobukhiko
|
RU2498422C1 |
| SPEECH ENCODER, SPEECH DECODER, SPEECH ENCODING METHOD, SPEECH DECODING METHOD, SPEECH ENCODING PROGRAM AND SPEECH DECODING PROGRAM |
2010 |
- Tsudzino Kosuke
- Kikuiri Kej
- Naka Nobukhiko
|
RU2498420C1 |
