AUDITORY DEMONSTRATIONS

The following series of demonstrations provide examples of some of the phenomena described and discussed in the text of the third edition of Richard M. Warren's Auditory Perception: An Analysis and Synthesis, Cambridge University Press, 2008.

The stimuli and descriptive narration were produced by Dr. James A. Bashford, Jr.

The demonstrations were designed for headphone listening, and since some of the effects involve different signals delivered to each ear, stereo headphones are recommended. If you click on the link, your browser should play the file for each of the 53 tracks. You should adjust the playback so that the Narrative accompanying the demonstration is at a comfortable listening level.

FILE NO.
RESTORATION OF ABSENT SOUNDS
Homophonic Temporal Induction
Broadband Noise
1. Narrative (1'12")
2. Demonstration (15")
Tone (Fixed Levels)
3. Narrative (19")
4. Demonstration (15")
Tone (Changing Fainter Level)
5. Narrative (1'06")
6. Demonstration (25")
Heterophonic Temporal Induction
Tones
7. Narrative (1'05")
8. Demonstration (29")
Temporal Induction of Speech: Single Phonemic Restoration
Restoration by Noise
9. Narrative (33")
10. Demonstration (21")
Lack of Restoration with Silent Gap
11. Narrative (23")
12. Demonstration (16")
Temporal Induction of Speech: Multiple Phonemic Restorations
13. Narrative (45")
14. Demonstration (29")
CONTRALATERAL INDUCTION OF TONE
15. Narrative (60")
16. Demonstration (50")
PITCH AND INFRAPITCH
Repetition of Frozen Noise Segments
"Whooshing" Infrapitch (2 Hz)
17. Narrative (57")
18. Demonstration (1'36")
"Motorboating" Infrapitch (6 Hz)
19. Narrative (27")
20. Demonstration (21")
"Motorboating" Infrapitch (15 Hz)
21. Narrative (13")
22. Demonstration (21")
Noisy Pitch (40 Hz)
23. Narrative (20")
24. Demonstration (21")
Pure Melodic Pitch (120 Hz)
25. Narrative (25")
26. Demonstration (11")
Pure Melodic Pitch (300 Hz)
27. Narrative (12")
28. Demonstration (11")
29. Narrative (27")
FILE NO.
PERCEPTION OF ACOUSTIC SEQUENCES
Identification of Order
Nonverbal Sounds
30. Narrative (48")
31. Demonstration (20")
Speech Sounds
32. Narrative and Demonstration (40")
Global Pattern Recognition of Permuted Orders
Brief Nonverbal Sounds
33. Narrative (1'08")
34. Demonstration (21")
Brief Speech Sounds: The Vowel Sequence Illusion
35. Narrative (1'29")
36. Demonstration - First Arrangement (60")
37. Narrative (14")
38. Demonstration - Second Arrangement (60")
39. Narrative (28")
ILLUSORY CHANGES OF REPEATED WORDS:
THE VERBAL TRANSFORMATION EFFECT
Diotic "Flame"
40. Narrative (16")
41. Demonstration (3'00")
42. Narrative (38")
Dichotic "Flame"
43. Narrative (56")
44. Demonstration (3'00")
Diotic Bisyllabic Reversible Word "Farewell/Welfare"
45. Narrative (1'01")
46. Demonstration (60")
47. Narrative (18")
Dichotic "Farewell/Welfare"
48. Narrative (1'52")
49. Demonstration (3'00")
Diotic Monosyllabic Reversible Word "Ace/Say"
50. Narrative (31")
51. Demonstration (60")
Dichotic "Ace/Say"
52. Narrative (38")
53. Demonstration (60")

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