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2000 – 2009
- 2004
[i1]Søren Vang Andersen, Alan Duric, Henrik Astrom, Roar Hagen, W. Bastiaan Kleijn, Jan Linden:
Internet Low Bit Rate Codec (iLBC). RFC 3951: 1-194 (2004)
1990 – 1999
- 1999
- [j4]Roar Hagen, Erdal Paksoy, Allen Gersho:
Voicing-specific LPC quantization for variable-rate speech coding. IEEE Trans. Speech Audio Process. 7(5): 485-494 (1999) - [j3]Roar Hagen, Per Hedelin:
Robust Vector Quantization by a Linear Mapping of a Block Code. IEEE Trans. Inf. Theory 45(1): 200-218 (1999) - [c9]Roar Hagen, Erik Ekudden:
An 8 kbit/s ACELP coder with improved background noise performance. ICASSP 1999: 25-28 - 1998
- [c8]Roar Hagen, Erik Ekudden, Björn Johansson, W. Bastiaan Kleijn
:
Removal of sparse-excitation artifacts in CELP. ICASSP 1998: 145-148 - [c7]Erik Ekudden, Roar Hagen, Björn Johansson, Shinji Hayashi, Akitoshi Kataoka, Sachiko Kurihara:
ITU-t g.729 extension at 6.4 kbps. ICSLP 1998 - 1997
- [c6]Jes Thyssen, W. Bastiaan Kleijn, Roar Hagen:
Using a perception-based frequency scale in waveform interpolation. ICASSP 1997: 1595-1598 - 1996
- [j2]W. Bastiaan Kleijn, Roar Hagen:
On memoryless quantization in speech coding. IEEE Signal Process. Lett. 3(8): 228-230 (1996) - [j1]Roar Hagen:
Robust LPC spectrum quantization-vector quantization by a linear mapping of a block code. IEEE Trans. Speech Audio Process. 4(4): 266-280 (1996) - [c5]W. Bastiaan Kleijn, Yair Shoham, Deep Sen, Roar Hagen:
A low-complexity waveform interpolation coder. ICASSP 1996: 212-215 - 1995
- [b1]Roar Hagen:
On Robust LPC-spectrum Coding and Vector Quantization. Chalmers University of Technology, Gothenburg, Sweden, 1995 - [c4]Roar Hagen, Erdal Paksoy, Allen Gersho:
Variable rate spectral quantization for phonetically classified CELP coding. ICASSP 1995: 748-751 - 1994
- [c3]Roar Hagen:
Spectral quantization of cepstral coefficients. ICASSP (1) 1994: 509-512 - 1993
- [c2]Roar Hagen, Per Hedelin:
Robust vector quantization in spectral coding. ICASSP (2) 1993: 13-16 - 1990
- [c1]Roar Hagen, Per Hedelin:
Low bit-rate spectral coding in CELP, a new LSP-method. ICASSP 1990: 189-192
Coauthor Index
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