1 The Relevance of Psychophysics for Speech Perception -- The role of psychophysics in understanding speech perception -- Central and peripheral processes in the perception of speech and nonspeech sounds -- Psychophysics versus specialized processes in speech perception: an alternative perspective -- Speech perception and the role of long-term memory -- Levels of representation of phonemes and bandwidth of spectral-temporal integration -- General discussion of session 1 -- 2 Separation of Acoustic Events -- The meaning of duplex perception: sounds as transparant objects -- Perceptual separation of speech from concurrent sounds -- Sound separation and auditory perceptual organization -- On the significance of spectral synchrony for signal detection -- Auditory enhancement in speech perception -- General discussion of session 2 -- 3 Dynamic Aspects -- Trading relations, acoustic cue integration, and context effects in speech perception -- Perceptual integration of rise time and silence in affricate/fricative and pluck/bow continua -- Reversal of the rise-time cue in the affricate/fricative contrast: an experiment on the silence of sound -- Possible acoustic bases for the perception of voicing contrasts -- Is there a natural sensitivity at 20ms in relative tone-onset-time continua? A reanalysis of Hirsh's (1959) data -- Auditory constraints on speech perception -- Studies of possible psychoacoustic factors underlying speech perception -- Perception of tone, band, and formant sweeps -- Psychophysical representation of stop consonant and temporal masking in speech -- Effects of stimulus dynamics on frequency discrimination -- Extending the search for a psychophysical basis for dynamic phonetic patterns -- General discussion of session 3 -- 4 Timbre (Peripheral Constraints and Central Processes in the Perception of Complex Signals). -- Psychophysics of audio signal processing and the role of pitch in speech. -- Does the human auditory system include large scale spectral integration? -- Some aspects of the sound of speech sounds -- Involvement of the critical band in identification, perceived distance, and discrimination of vowels -- Profile analysis and speech perception -- General discussion of session 4 -- 5 Physiological Correlates of Speech Perception -- Peripheral auditory processing of speech information: implications from a physiological study of intensity discrimination -- Organization of the cochlear nucleus for information processing -- Changes in the phonemic quality and neural representation of a vowel by alteration of the relative phase of harmonics near F1 -- Phase vowels -- Nonlinear responses, in the auditory nerve to vowel-related complex stimuli -- Discussion of physiological correlates of speech perception -- General discussion of session 5 -- 6 Primary Speech Percepts -- English and French speech processing: some psycholinguistic investigations -- Units of organization and analysis in the perception of speech -- Implications from infant speech studies on the unit of perception -- General discussion of session 6 -- 7 Psychophysics and Speech Perception in the Hearing-Impaired -- Relationship between psychophysical abilities and speech perception for subjects with unilateral and bilateral cochlear hearing impairments -- Speech-reception threshold in a fluctuating background sound and its possible relation to temporal auditory resolution -- Differences in listening strategies between normal and hearing-impaired listeners -- Critical bands in the perception of speech signals by normal and sensorineural hearing loss listeners -- Phase and the hearing-impaired.