FIELD: data processing.
SUBSTANCE: invention relates to the speech encoding and decoding means. Speech decoder includes demultiplexing unit, low frequency band decoding unit, band splitting filter band bank unit, encoded sequence analysis unit, encoded sequence decoding / dequantization unit, a high frequency band generation unit, low frequency band time envelope calculating units, which produce a plurality of low frequency band time envelopes, time envelope calculating unit that calculates temporal envelopes of high frequency band using time envelope information and plurality of temporal envelopes of 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 the leading and lagging echo reduction.
1 cl, 40 dwg
| Title |
Year |
Author |
Number |
| 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 |
2012 |
- Kikuiri Kej
- Yamaguti Atsusi
|
RU2599966C2 |
| SPEECH DECODER, SPEECH CODER, SPEECH DECODING METHOD, SPEECH ENCODING METHOD, SPEECH DECODING PROGRAM AND SPEECH CODING PROGRAM |
2019 |
- Kikuiri, Kei
- Yamaguchi, Atsushi
|
RU2707931C1 |
| 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 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 |
| 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 |
