First Day of Speech Information Processing Course

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Your Name *

What is your native language? *

How many languages you can speak? *

Do you think one can figure out your native language when you speak English? *

Yes

Do you think you can figure out your friends' native language when they speak English? *

Yes

How many minutes do you speak in a day excluding speaking over a phone call (rough estimate)? *

How many minutes do you speak over phone in a day (rough estimate)? *

Is there any sound that you can create but do not use while speaking? If yes, what is(are) the sound(s)? *

How many different sounds do you speak? *

You probably know that human can hear sound in the frequency range 20Hz to 20kHz. Can human vocal sound also span this frequency range? *

Yes

How long (in seconds) you have to listen to a sound to tell if it is a speech or not? *

What percentage of sound, that goes in your ear, is speech sound? Give your best guess. *

What is the maximum number of speakers that you can identify when they simultaneously speak? *

More than 5

Suppose you speak your first name ten times and record to save as a audio file each time. Will the file size be same every time? Justify your answer. *

Suppose you record your friend's voice and then plays in the reverse direction, will it sound like speech? *

Yes

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