Noun Extraction

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Noun Extraction

• A Technique To Identify Objects

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Telephone Answering Machine

• Name Digital telephone answering machine
• Purpose Telephone answering machine with
  digital memory, using speech compression
• Inputs Telephone voice samples, ring indicator.
• User interface microphone, play
  messages button, record OGM button.
• Outputs Telephone voice samples, on -hook/
  off -hook command
• User interface speaker, messages
  indicator, message light.

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• Functions
• Default mode when machine receives ring
  indicator, it signals off-hook, plays the OGM,
  and then records the incoming message
• Maximum recording length for incoming message is
  30 seconds, at which time the machine hangs up
• If the machine runs out of memory, the OGM is
  played and the machine then hangs up without
  recording

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• Playback mode when the play button is
  depressed, the machine plays all messages
• if the play button is depressed again within
  five seconds, the messages are played again
• messages are erased after playback

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• OGM editing mode
• when the user hits the record OGM button, the
  machine records an outgoing message of up to 10
  seconds
• when the user holds down the record OGM button
  and hits the play button, the OGM is played back

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• Performance should be able to record about 30
  minutes of total voice, including incoming and
  outgoing messages
• voice data are sampled at the standard telephone
  rate of 8 kHz.
• Manufacturing cost consumer product range
  approximately 50.
• Power powered by AC through a standard power
  supply.
• Physical size and weight comparable in size and
  weight to a desk telephone.

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Noun Extraction
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Telephone Answering Machine

• Name Digital telephone answering machine
• Purpose Telephone answering machine with
  digital memory, using speech compression
• Inputs Telephone voice samples, ring indicator.
• User interface microphone, play
  messages button, record OGM button.
• Outputs Telephone voice samples, on -hook/
  off -hook command
• User interface speaker, messages
  indicator, message light.

9

• Functions
• Default mode when machine receives ring
  indicator, it signals off-hook, plays the OGM,
  and then records the incoming message
• Maximum recording length for incoming message is
  30 seconds, at which time the machine hangs up
• If the machine runs out of memory, the OGM is
  played and the machine then hangs up without
  recording

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• Playback mode when the play button is
  depressed, the machine plays all messages
• if the play button is depressed again within five
  seconds, the messages are played again
• messages are erased after playback

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• OGM editing mode
• when the user hits the record OGM button, the
  machine records an outgoing message of up to 10
  seconds
• when the user holds down the record OGM button
  and hits the play button, the OGM is played back

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• Performance Should be able to record about 30
  minutes of total voice, including incoming and
  outgoing messages
• voice data are sampled at the standard telephone
  rate of 8 kHz
• Manufacturing cost Consumer product range
  approximately 50
• Power Powered by AC through a standard power
  supply
• Physical size and weight Comparable in size and
  weight to a desk telephone

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• Machine
• digital memory
• speech compression
• Telephone
• voice samples
• ring indicator
• User interface microphone
• play messages button, record OGM button

• on-hook/off-hook command
• Speaker
• messages indicator
• message light
• OGM
• incoming message
• Seconds
• Memory
• play button

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• OGM button
• Minutes
• Range
• AC
• power supply
• Size
• weight

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• Machine
• digital memory
• speech compression
• Telephone
• voice samples
• ring indicator
• User interface microphone
• play messages button
• record OGM button

• on-hook/off-hook command
• Speaker
• messages indicator
• message light
• OGM
• incoming message
• Seconds
• Memory
• play button

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• OGM button
• Minutes
• Range
• AC
• power supply
• Size
• Weight

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• User Interface
• Microphone
• play messages button buttons
• record OGM button buttons
• Speaker
• messages indicator lights
• message light lights

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• Telephone
• Line-in
• Line-out
• Messages
• outgoing message
• incoming message

• Controls
• play messages
• record OGM
• play OGM
• erase
• incoming message
• Record
• Playback

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Schedule

• 1/12 Project Proposals due
• 1/14 Proposals Returned - discussion
• 1/26 Requirements Document due
  presentations
• 1/28, Requirements presentations
• 2/2 continued

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Project Proposals

• Sufficient length and detail to judge complexity
  and feasibility