| 2004 | ICASSP | Algorithm amalgam: morphing waveform based methods, sinusoidal models and STRAIGHT. | Hideki Kawahara, Hideki Banno, Toshio Irino, Parham Zolfaghari |
| 2004 | ICASSP | Bayesian modelling of the speech spectrum using mixture of Gaussians. | Parham Zolfaghari, Shinji Watanabe, Atsushi Nakamura, Shigeru Katagiri |
| 2004 | Interspeech | Harmonicity based monaural speech dereverberation with time warping and F0 adaptive window. | Tomohiro Nakatani, Keisuke Kinoshita, Masato Miyoshi, Parham Zolfaghari |
| 2004 | Interspeech | Harmonicity based blind dereverberation with time warping. | Tomohiro Nakatani, Keisuke Kinoshita, Masato Miyoshi, Parham Zolfaghari |
| 2003 | Interspeech | Dominance spectrum based v/UV classification and f_0 estimation. | Tomohiro Nakatani, Toshio Irino, Parham Zolfaghari |
| 2003 | Interspeech | Glottal closure instant synchronous sinusoidal model for high quality speech analysis/synthesis. | Parham Zolfaghari, Tomohiro Nakatani, Toshio Irino, Hideki Kawahara, Fumitada Itakura |
| 2002 | Interspeech | On F0 trajectory optimization for very high-quality speech manipulation. | Hideki Kawahara, Parham Zolfaghari, Alain de Cheveign |
| 2002 | Interspeech | Experiments on recognition of lavalier microphone speech and whispered speech in real world environments. | Kiyoshi Tatara, Taisuke Ito, Parham Zolfaghari, Kazuya Takeda, Fumitada Itakura |
| 2001 | Interspeech | Systematic F0 glitches around nasal-vowel transitions. | Hideki Kawahara, Parham Zolfaghari |
| 2000 | Interspeech | Accurate vocal event detection method based on a fixed-point analysis of mapping from time to weighted average group delay. | Hideki Kawahara, Yoshinori Atake, Parham Zolfaghari |
| 2000 | Interspeech | Investigation of analysis and synthesis parameters of straight by subjective evaluation. | Parham Zolfaghari, Yoshinori Atake, Kiyohiro Shikano, Hideki Kawahara |
| 2000 | Interspeech | A sinusoidal model based on frequency-to-instantaneous frequency mapping. | Parham Zolfaghari, Hideki Kawahara |
| 1999 | Interspeech | Speech coding using mixture of gaussians polynomial model. | Parham Zolfaghari, Tony Robinson |
| 1997 | ICASSP | A formant vocoder based on mixtures of Gaussians. | Parham Zolfaghari, Tony Robinson |
| 1997 | Interspeech | A segmental formant vocoder based on linearly varying mixture of Gaussians. | Parham Zolfaghari, Tony Robinson |
| 1996 | Interspeech | Formant analysis using mixtures of Gaussians. | Parham Zolfaghari, Tony Robinson |