Voice Input
How
does voice recognition
work?
p. 242 Fig. 5-20
Next
Step 2. An analog-to-digital
converter (ADC) translates sound waves into digital measurements
computer can process. Measurements include pitch, volume, silences,
and phonemes.
Phonemes are sound units such as aw and guh.
10010111010110101100001101
Step 3. Software compares spoken measurements
with those in its database to find a match or list of possible
matches.
Matches
Step 4. To narrow a list down, software presents
user with a list of choices or uses a natural language component to predict most likely
match. User may correct any selection made by software.
Natural
Language Engine
Click to view Web Link,
click Chapter 5, Click Web
Link from left navigation,
then click Voice Input below Chapter 5
click Chapter 5, Click Web
Link from left navigation,
then click Voice Input below Chapter 5
Step 1. A user dictates text into a microphone.