Transcribing numbers - Amazon Transcribe

# Transcribing numbers

Amazon Transcribe Medical transcribes digits as numbers instead of words. For example, the spoken number "one thousand two hundred forty-two" is transcribed as `1242`.

Numbers are transcribed according to the following rules.

Rule Description
Convert cardinal numbers greater than 10 to numbers.
• "Fifty five" > 55

• "a hundred" > 100

• "One thousand and thirty one" > 1031

• "One hundred twenty-three million four hundred fifty six thousand seven hundred eight nine" > 123,456,789

Convert cardinal numbers followed by "million" or "billion" to numbers followed by a word when "million" or "billion" is not followed by a number.
• "one hundred million" > 100 million

• "one billion" > 1 billion

• "two point three million" > 2.3 million

Convert ordinal numbers greater than 10 to numbers.

• "Forty third" > 43rd

• "twenty sixth avenue" > 26th avenue

Convert fractions to their numeric format.

• "a quarter" > 1/4

• "three sixteenths" > 3/16

• "a half" > 1/2

• "a hundredth" > 1/100

Convert numbers less than 10 to digits if there are more than one in a row.
• "three four five" > 345

• "My phone number is four two five five five five one two one two" > 4255551212

Decimals are indicated by "dot" or "point."
• "three hundred and three dot five" > 303.5

• "three point twenty three" > 3.23

• "zero point four" > 0.4

• "point three" > 0.3

Convert the word "percent" after a number to a percent sign.

• "twenty three percent" > 23%

• "twenty three point four five percent" > 23.45%

Convert the words "dollar," "US dollar," "Australian dollar, "AUD," or "USD" after a number to a dollar symbol before the number.

• "one dollar and fifteen cents" > \$1.15

• "twenty three USD" > \$23

• "twenty three Australian dollars" > \$23

Convert the words "pounds," or "milligrams" to "lbs" or "mg".

• "twenty three pounds" > 23 lbs

• "forty-five milligrams" > 45 mg

Convert the words "rupees," "Indian rupees," or "INR" after a number to rupee sign (₹) before the number.

• "twenty three rupees" > ₹23

• "fifty rupees thirty paise" > ₹50.30

Convert times to numbers.

• "seven a m eastern standard time" > 7 a.m. eastern standard time

• "twelve thirty p m" > 12:30 p.m.

Combine years expressed as two digits into four.

Only valid for the 20th, 21st, and 22nd centuries.

• "nineteen sixty two" > 1962

• "the year is twenty twelve" > the year is 2012

• "twenty nineteen" > 2019

• "twenty one thirty" > 2130

Convert dates to numbers.
• "May fifth twenty twelve" > May 5th 2012

• "May five twenty twelve" > May 5 2012

• "five May twenty twelve" > 5 May 2012

Separate spans of numbers by the word "to."

• "twenty three to thirty seven" > 23 to 37