Yasuji Ohta

According to our database, Yasuji Ohta authored at least 5 papers between 1990 and 1992.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

1992

Improved CELP speech coding at 4 kbit/s and below.

Tomohiko Taniguchi, Yoshinori Tanaka, Yasuji Ohta, Fumio Amano

Proceedings of the Second International Conference on Spoken Language Processing, 1992

Tree-structured delta codebook for an efficient implementation of CELP.

Tomohiko Taniguchi, Yoshinori Tanaka, Yasuji Ohta

Proceedings of the 1992 IEEE International Conference on Acoustics, 1992

1991

Pitch sharpening for perceptually improved CELP, and the sparse-delta codebook for reduced computation.

Tomohiko Taniguchi, Mark Johnson, Yasuji Ohta

Proceedings of the 1991 International Conference on Acoustics, 1991

1990

Multi-vector pitch-orthogonal LPC: quality speech with low complexity at rates between 4 and 8 kbps.

Tomohiko Taniguchi, Mark Johnson, Yasuji Ohta

Proceedings of the First International Conference on Spoken Language Processing, 1990

Principal axis extracting vector excitation coding: high quality speech at 8 kb/s.

Tomohiko Taniguchi, Yoshinori Tanaka, A. Sasama, Yasuji Ohta

Proceedings of the 1990 International Conference on Acoustics, 1990