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Special software is required to use some of the files in this section: .zip, .m, and .mat.

This page contains digitized media files for use in the labs. Most of the files are audio data, but there are also image files and other types of data. For some of the labs, you are asked to record your own voice. If you do not have the tools for making such recordings, example utterances are provided as spoken by both a female speaker and a male speaker. The audio files are given below under the heading of the relevant lab.

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |12 | 13 | 14 | 15 | 16 | 17

In Lab 1, you will record a database of speech utterances for use throughout the semester. Below are links to sample databases recorded by two speakers, one female (HH) and one male (KS).

Note that although these files have a .wav suffix, they are in Klatt format, for use with the Klatt speech-analysis tools (xkl); they are not Microsoft® .wav format.

You can download zip archives of an entire database here:

Female Sample Database (ZIP - 13.6 MB) (Courtesy of Elisabeth Hon. Used with permission.)

Male Sample Database (ZIP - 8.3 MB) (Courtesy of Daryush Mehta. Used with permission.)

The following utterances were recorded by both male and female speakers:

1. English Vowels

   
   

   #	SPEAKERS
   1	beat	bit
   2	bait	bet
   3	pot	but
   4	boat	bought
   5	put	boot
   6	bat	Bert
   7	buy	boy
   8	about

   
   

2. English Consonants

   
   

   #	SPEAKERS
   9	the putt	the bug
   10	the tug	the duck
   11	the cut	the gut
   12	the mug	the nut
   13	the fuss	the vanilla
   14	the thug	the "the"
   15	the supper	the shutter
   16	the rug	the lug
   17	the wonder	the young
   18	the chump	the jump
   19	the hut	sung a song
   20	the /zah/	the /zhah/

   
   

3. Sentences

   
   

   #	SPEAKERS
   21	teacher
   22	He wanted to rebel
   23	school
   24	high school teacher
   25	He stopped the rebel
   26	school teacher
   27	tall school teacher
   28	Was he a high school teacher?
   29	The tall school teacher left early.
   30	teach
   31	We live in Cambridge and we study at MIT
   32	He won those shoes.

   
   
4. Rainbow Passage

   When the sunlight strikes raindrops in the air, they act like a prism and form a rainbow. The rainbow is a division of white light into many beautiful colors. These take the shape of a long round arch, with its path high above, and its two ends apparently beyond the horizon. There is, according to legend, a boiling pot of gold at one end. People look, but no one ever finds it. When a man looks for something beyond his reach, his friends say he is looking for a pot of gold at the end of the rainbow.

5. Spontaneous Speech

   Describe in detail the room in which you are sitting (hesitations, ah's, etc., are normal).

6. Prosody Sentences

   List the following pairs of sentences:
   Please say Bray CUP again.
   Please say BRAY cup again.

   Please say lake EELS again.
   Please say LAKE eels again

   Please say see CADS again.
   Please say SEE cads again.

   Please say lake ORES again.
   Please say LAKE ores again.

   Please say see TIES again.
   Please say SEE ties again.

   Please say bite INNS again.
   Please say BITE inns again.

   Please say my TEARS again.
   Please say MY tears again.

You will use the following utterances recorded during Lab 1:

• The word "shutter"
• The simple vowel pairs (Items 1-7)

You will use at least one of the following subsets of utterances recorded during Lab 1:

• The words "mug", "nut", and "sung"
• The words "rug" and "lug"
• The words "wonder" and "young"

You will use at least one of the following subsets of utterances recorded during Lab 1:

• The words "bug", "duck", "gut", "putt", "tug", "cut", "hut"
• The words "fuss", "thug", "supper", "shutter", "vanilla", "the", /z/, //
• The words "chump", "jump", "tug", "duck", "shutter", //

• Part A: You will use the words "bat" and "pat" recorded by five speakers. These utterances have already been recorded and stored in the labc account. They can also be downloaded below.
• Parts B-C: You will record the words "pat", "pad", and "bad" during the lab. If you are not able to make new recordings, you can download samples recorded by a female speaker (HH) below.

Download a tar/zip archive of the utterances (xkl format) required for this lab (ZIP)

In this lab you will use .gif files of cineradiographic images. Because the full database of these images is rather large, it will only be available to students attending the lab. Sample .gif files can be downloaded here:

Download file KNS_6400995.gif (GIF), /a/ in "he'tat"
Download file KNS_6401423.gif (GIF), /a/ in "soggy"
Download file KNS_6400919.gif (GIF), /u/ in "he'tu"
Download file KNS_6401621.gif (GIF), /u/ in "shoes"

In this lab, you will use data recorded by an x-ray microbeam system for two speakers.

Microbeam Data for Speaker JW16 (ZIP - 6.0 MB)
Microbeam Data for Speaker JW18 (ZIP - 6.0 MB)

You will use the set of words "beat" and "buy" from the database of recorded utterances from Lab1.

In this lab, you will use MATLAB® files to calculate lung volume and examine air flow. Download a tar/zip archive for the lab here. (ZIP - 3.1 MB) (The ZIP file contains: 10 .mat files, 2 .m files and 3 .jpg files.)

You will use the spontaneous speech recorded during Lab 1.

Each speaker produced two utterances (AB and BC version). You will use utterances of the following sentences:

Please say Maine or Duke, and Rice will play. (AB version)
Please say Maine, or Duke and Rice will play. (BC version)
Please say Thomas or Kenneth, and Lucas will stay. (AB version)
Please say Thomas, or Kenneth and Lucas will stay. (BC version)

Download utterances required for this lab. (PDF - 1.2 MB) (The zip file contains 8 .wav files.)

You will use the following utterances recorded during Lab 1:

• utterances containing the word "teacher"
• prosody sentences containing pairs of phrases

In this lab, you will participate as a subject in two types of intelligibility tests. If you attend the lab, you will hear the stimuli on audiotape. If you do not attend class, you can download audio files of the tests below. In order to take run the tests on your own, you will need to download the response and answers sheets from the Lab 13 page.

• Consonant-vowel (CV) nonsense syllables: 10 dB SNR (ZIP - 8.9 MB) | 5 dB SNR (ZIP - 9.3 MB) | 0 dB SNR (ZIP - 4.6 MB)
• Sentences in noise (Spin test): Introduction, Practice Items (ZIP - 7.1 MB)

You will use utterances produced by adults and children with several types of speech disorders, all in Xkl (Klatt .wav) format:

• Part 1: Utterances produced by children with normal speech production.
  Download a tar/zip archive for Part 1 here (ZIP)
• Part 2: Utterances produced by children who misarticulate several speech sounds.
  Download a tar/zip archive for Part 2 here (ZIP)
• Part 3: Utterances produced by deaf children.
  Download a tar/zip archive for Part 3 here (ZIP)

For this lab, students will record new utterances. If you are unable to record new data, you can use the sample utterances provided for Lab 5, part B (either "pat" or "bad").

There are no utterances required for this lab.

In the first part of the lab, you will analyze and annotate acoustic events in two sentences. The waveforms of these two sentences can be downloaded here. (ZIP) (The ZIP file contains 8 .wav files: 4 xkl format and 4 Microsoft® format.)

In the second part of the lab, you are given two brief utterances in which two of the words are unknown. Each utterance is of the form "Say --- --- please."

The words used to fill in the utterances are provided below: