Roar Hagen - researchr alias

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Viewing Publication 1 - 14 from 14

2004

Internet Low Bit Rate Codec (iLBC)Søren Vang Andersen, Alan Duric, Henrik Astrom, Roar Hagen, W. Bastiaan Kleijn, Jan Linden. rfc, 3951:1-194, December 2004. [doi]

1999

Voicing-specific LPC quantization for variable-rate speech codingRoar Hagen, Erdal Paksoy, Allen Gersho. taslp, 7(5):485-494, 1999. [doi]

An 8 kbit/s ACELP coder with improved background noise performanceRoar Hagen, Erik Ekudden. icassp 1999: 25-28 [doi]

Robust Vector Quantization by a Linear Mapping of a Block CodeRoar Hagen, Per Hedelin. TIT, 45(1):200-218, 1999.

1998

Removal of sparse-excitation artifacts in CELPRoar Hagen, Erik Ekudden, B. Johansson, W. Bastiaan Kleijn. icassp 1998: 145-148 [doi]

1997

Using a perception-based frequency scale in waveform interpolationJes Thyssen, W. Bastiaan Kleijn, Roar Hagen. icassp 1997: 1595-1598 [doi]

1996

Robust LPC spectrum quantization-vector quantization by a linear mapping of a block codeRoar Hagen. taslp, 4(4):266-280, 1996. [doi]

A low-complexity waveform interpolation coderW. Bastiaan Kleijn, Yair Shoham, Deep Sen, Roar Hagen. icassp 1996: 212-215 [doi]

On memoryless quantization in speech codingW. Bastiaan Kleijn, Roar Hagen. spl, 3(8):228-230, 1996. [doi]

1995

Variable rate spectral quantization for phonetically classified CELP codingRoar Hagen, Erdal Paksoy, Allen Gersho. icassp 1995: 748-751 [doi]

On Robust LPC-spectrum Coding and Vector QuantizationRoar Hagen. PhD thesis, Chalmers University of Technology, Gothenburg, Sweden, 1995. [doi]

1994

Spectral quantization of cepstral coefficientsRoar Hagen. icassp 1994: 509-512 [doi]

1993

Robust vector quantization in spectral codingRoar Hagen, Per Hedelin. icassp 1993: 13-16 [doi]

1990

Low bit-rate spectral coding in CELP, a new LSP-methodRoar Hagen, Per Hedelin. icassp 1990: 189-192 [doi]

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