Supported features by language

This page describes the availability of Cloud Speech-to-Text features by language and locale.

Automatic punctuation

Cloud Speech-to-Text supports the enableAutomaticPunctuation field for en-US only.

Boost for speech adaptation

Using the boost field is only supported for en-US.

Class tokens for speech adaptation

Support for individual class tokens differs by language and locale. The following table shows which classes are available for each language.

BCP-47 locale code Supported classes
cmn_hans_cn $FULLPHONENUM, $MONEY, $OPERAND, $ORDINAL, $PERCENT, $TIME,
cmn_hant_tw $FULLPHONENUM, $MONEY, $OPERAND, $PERCENT, $TIME, $YEAR,
cs_cz $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $ORDINAL, $POSTALCODE,
da_dk $DAY, $FULLPHONENUM, $MONTH, $ORDINAL, $PERCENT, $TIME, $YEAR,
en_au $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $PERCENT, $TIME, $YEAR,
en_gb $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $PERCENT, $TIME, $YEAR,
en_in $ADDRESSNUM, $DAY, $MONEY, $MONTH, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $POSTALCODE, $TIME, $YEAR,
en_us $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
en_za $ADDRESSNUM, $DAY, $MONTH, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $PERCENT, $TIME, $YEAR,
es_es $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
es_us $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
fil_ph $ADDRESSNUM, $FULLPHONENUM, $MONEY, $ORDINAL, $POSTALCODE, $YEAR,
fr_ca $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
fr_fr $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
hi_in $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $TIME, $YEAR,
hu_hu $FULLPHONENUM, $MONEY, $MONTH, $PERCENT, $POSTALCODE, $TIME, $YEAR,
id_id $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
it_it $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
ja_jp $ADDRESSNUM, $FULLPHONENUM, $MONEY, $OOV_CLASS_DIGIT_SEQUENCE, $OPERAND, $PERCENT, $POSTALCODE, $TIME,
ko_kr $FULLPHONENUM, $TIME,
nb_no $FULLPHONENUM, $PERCENT, $POSTALCODE, $TIME, $YEAR,
nl_nl $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
pl_pl $DAY, $FULLPHONENUM, $MONEY, $OPERAND, $PERCENT, $TIME,
pt_br $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
pt_pt $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $ORDINAL, $PERCENT, $POSTALCODE, $TIME,
ru_ru $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
sv_se $ADDRESSNUM, $DAY, $FULLPHONENUM, $MONEY, $MONTH, $OPERAND, $PERCENT, $POSTALCODE, $TIME, $YEAR,
tr_tr $DAY, $MONTH, $OPERAND, $ORDINAL, $PERCENT, $POSTALCODE, $TIME, $YEAR,
uk_ua $FULLPHONENUM, $MONEY, $PERCENT, $POSTALCODE, $TIME,
vi_vn $ADDRESSNUM, $FULLPHONENUM, $MONEY, $OPERAND, $PERCENT, $POSTALCODE, $TIME,
yue_hant_hk $FULLPHONENUM, $OPERAND, $PERCENT, $TIME,

Model selection

The standard phone_call, enhanced phone_call, and video models are only available for en-US.

Speaker diarization

Cloud Speech-to-Text supports speaker diarization for the en-US. Cloud Speech-to-Text only supports speaker diarization for transcribing phone calls—that is, when using the standard or enhanced phone_call models.

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Cloud Speech-to-Text Documentation
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