Transcribing Numbers - Amazon Transcribe

Transcribing Numbers

When using the StartTranscriptionJob operation, numbers are transcribed as digits instead of words for the following languages:

  • Australian English (en-AU)

  • British English (en-GB)

  • Indian English (en-IN)

  • Irish English (en-IE)

  • Scottish English (en-AB)

  • US English (en-US)

  • Welsh English (en-WL)

  • German (de-DE)

  • Swiss German (de-CH)

For streaming transcription, numbers are transcribed as digits for the following languages:

  • Australian English (en-AU)

  • British English (en-GB)

  • US English (en-US)

For the preceding languages, the spoken number "one thousand two hundred forty-two" is transcribed as 1242. For all other languages, numbers are transcribed into their word forms.

Rules for Transcribing Numbers in English

For all English languages, such British English (en-GB) or US English (en-US), numbers are transcribed according to the following rules.

Rule Example
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 numerals 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 symbol (%).

  • "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 sign ($) before the number.

  • "one dollar and fifteen cents" > $1.15

  • "twenty three USD" > $23

  • "twenty three Australian dollars" > $23

Convert the words "pounds," "British pounds," or "GDB" after a number to pound sign (£) before the number.

  • "twenty three pounds" > £23

  • "I have two thousand pounds" > I have £2,000

  • "five pounds thirty three pence" > £5.33

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

Rules for Transcribing Numbers in German

For German (de-DE) and Swiss German (de-CH), numbers are transcribed according to the following rules.

Rule Example
Convert cardinal numbers greater than 10 to numbers.
  • "fünfundfünfzig" > 55

  • "vier tausend sechs hundert einundachtzig" > 4681

  • "eine Sache" > "eine Sache"

Convert cardinal numbers followed by "million" or "billion" to numerals followed by a word when "million" or "billion" is not followed by a number.
  • "zehn Millionen Menschen" > 10 Millionen Menschen

  • "zehn Millionen fünf hundert tausend" > 10.500.000

Convert ordinal numbers greater than 10 to numbers.

  • "dreiundzwanzigste" > 23.

  • "vierzigster" > 40.

  • "ich war Erster" > "ich war Erster"

Fractions are not converted into a numeric format.

  • "ein Drittel" > "ein Drittel"

Convert numbers less than 10 to digits if there are more than one in a row.
  • "eins zwei drei" > 123

  • "plus vier neun zwei vier eins" > +49241

Decimals are indicated by ",".
  • "zweiundzwanzig komma drei" > 22,3

Convert the word "percent" after a number to a percent symbol (%).

  • "fünf Prozent Hürde" > 5 % Hürde

  • "dreiundzwanzig komma vier Prozent" > 23,4%

Convert the words "Euro" to a euro sign.

  • "ein euro" > 1 €

  • "ein Euro vierzig" > 1,40 €

  • "ein Euro vierzig Cent" > 1,40 €

Convert times to numbers.

  • "vierzehn Uhr fünfzehn" > 14:15 Uhr

Convert dates to numbers.
  • "dritter Dezember neunzehn hundert sechundfünfzig" > 3. Dezember 1956

Display slashes and dashes.

  • "55 Schrägstrich 13" > 55/13

  • "55 Strich 13" > 55-13

Display numbered paragraphs

  • "Paragraf 17" > § 17