IT LESSON 6

 Fill in the blanks

  1. 1.In speech signal processing, a computer program is required to process the v o i c e.
  2. 2.Speech recognition is a technology that converts spoken words to t e x t.
  3. 3.G o o g l e voice recognition translates what you speak in your native language to any language.
  4. 4.You have kept the phone for charging and you want to play a music. You can just say O K  G o o g l e , play music for me" to play music.
  5. 5.Keyword for activating Siri is H e y S i r i .

State true or false

  1. 1.A mic is equivalent to human ears in speech signal processing.-True
  2. 2.Siri is a speech signal processing software.-True
  3. 3.Talking to a computer or mobile phone or a device is a faster way to complete a task than typing.-True
  4. 4.English is the only language that can be recognized by google voice recognition.-False
  5. 5.Voice recognition system is not useful for people with disabilities to type with hands.-False

Match the following

  1. Translation

e.  g oogle

  1. Siri

c. Apple

  1. Alexa

a. Amazon

  1. Speech signal processing

b. Computer understands human speech

  1. Mic

d. Ears

Multiple Choice Questions

  1. 1.Which of the following works using speech signal processing technology?
  1. Google
  2. Alexa
  3. Siri
  4. All of the above

  1. 2.Which of the following is an advantage of using voice recognition system?
  1. Ease of use
  2. Fast
  3. Language translation
  4. All of the above

  1. 3.SIRI is used in:
  1. MacBook
  2. iPhone
  3. iPad
  4. All of the above
  1. 4.Alexa can be used for:
  1. Home automation
  2. Playing music
  3. Reading news
  4. All of the above

  1. 5.Google voice recognition system can understand:
  1. English
  2. Hindi
  3. Spanish
  4. All of the above

Answer in one word or one sentence

  1. 1.What is Speech signal processing?

The ability of a computer to understand human speech.

  1. 2.How can you command Google to play a video on your mobile phone?

Hey Google, play [video title] on YouTube.

  1. 3.What is the name of the virtual assistant in Apple TV?

SIRI.

  1. 4.What are the human organs mimicked by a speech signal processing system?

Ear for listening, brain for processing, mouth for speaking.

  1. 5.How can you use Alexa as a home automation ?

It can control smart devices using itself as home automation system by switching ON/OFF light, fan etc.

Answer the following

  1. 1.What are the limitations human beings face while taking notes by hearing a speech?

1.The voice of the teacher may not be clear.

2. The student may not be listening to the teacher.

3.The student may not understand the language.

  1. 2.What are the advantages of Speech signal processing?

1.  Speed- Speaking is faster than typing.

2. Ease of use- The consumer experience is easier.

3. Helps people with disabilities to type without using hands.

4. You can translate your native language to any language.

  1. 3.Describe any three systems that work using Speech signal processing?

Alexa, Siri, and Google are systems that work using Speech Signal Processing, understanding and responding to spoken commands on devices like smart speakers and phones


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