The voiced bilabial plosive is a type of consonant

Consonant

In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract. Examples are , pronounced with the lips; , pronounced with the front of the tongue; , pronounced with the back of the tongue; , pronounced in the throat; and ,...

al sound, used in some spoken language

Language

Language may refer either to the specifically human capacity for acquiring and using complex systems of communication, or to a specific instance of such a system of complex communication...

s. The symbol in the International Phonetic Alphabet

International Phonetic Alphabet

The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

 that represents this sound is b, and the equivalent X-SAMPA

X-SAMPA

The Extended Speech Assessment Methods Phonetic Alphabet is a variant of SAMPA developed in 1995 by John C. Wells, professor of phonetics at the University of London. It is designed to unify the individual language SAMPA alphabets, and extend SAMPA to cover the entire range of characters in the...

 symbol is b. The voiced bilabial plosive occurs in English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

, and it is the sound denoted by the letter ⟨b⟩ in boy. Many India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n languages, such as Hindi

Hindi

Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

, have a two-way contrast between breathy voice

Breathy voice

Breathy voice is a phonation in which the vocal cords vibrate, as they do in normal voicing, but are held further apart, so that a larger volume of air escapes between them. This produces an audible noise...

d /bʱ/ and plain /b/.

Features

Features of the voiced bilabial plosive:

Varieties

IPA	Description
b	plain b
bʷ	labialised Labialisation Labialization is a secondary articulatory feature of sounds in some languages. Labialized sounds involve the lips while the remainder of the oral cavity produces another sound. The term is normally restricted to consonants. When vowels involve the lips, they are called rounded.The most common...
b̜ʷ	semi-labialised
b̹ʷ	strongly labialised
bʲ	palatalised
bʱ	breathy voice Breathy voice Breathy voice is a phonation in which the vocal cords vibrate, as they do in normal voicing, but are held further apart, so that a larger volume of air escapes between them. This produces an audible noise... d

Occurrence

Language		Word	IPA International Phonetic Alphabet The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...	Meaning	Notes
Arabic Arabic language Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...	Standard		[ˈkatabɐ]	'he wrote'	See Arabic phonology Arabic phonology While many languages have numerous dialects that differ in pronunciation, the Arabic language is more properly described as a continuum of varieties. This article deals primarily with Modern Standard Arabic, which is the standard variety shared by educated speakers throughout Arabic-speaking regions...
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Basque Basque language Basque is the ancestral language of the Basque people, who inhabit the Basque Country, a region spanning an area in northeastern Spain and southwestern France. It is spoken by 25.7% of Basques in all territories...			[beɾo]	'hot'
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English English language English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...			[əˈbæk]	'aback'	See English phonology English phonology English phonology is the study of the sound system of the English language. Like many languages, English has wide variation in pronunciation, both historically and from dialect to dialect...
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Georgian Georgian language Georgian is the native language of the Georgians and the official language of Georgia, a country in the Caucasus.Georgian is the primary language of about 4 million people in Georgia itself, and of another 500,000 abroad...			[ˈbavʃvi]	'child'
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Hindi Hindi Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...			[bɑːl]	'hair'	Contrasts with aspirated version(भ). See Hindi-Urdu phonology Hindi-Urdu phonology Modern Standard Hindi is the official language of India, while Urdu is the national language of Pakistan as well as a scheduled language in India...
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Italian Italian language Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...			[ˈbile]	'rage'	See Italian phonology Italian phonology This article is about the phonology of the Italian language. It deals with the phonology and phonetics of Standard Italian as well as with geographical variants.-Vowels:Notes:*In Italian there is no phonemic distinction between long and short vowels...
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Korean Korean language Korean is the official language of the country Korea, in both South and North. It is also one of the two official languages in the Yanbian Korean Autonomous Prefecture in People's Republic of China. There are about 78 million Korean speakers worldwide. In the 15th century, a national writing...		/	[t͡ɕʰɐbi]	'fare'	See Korean phonology Korean phonology This article is a technical description of the phonetics and phonology of Korean.Korean has many allophones, so it is important here to distinguish morphophonemics from corresponding phonemes and allophones .-Consonants:The following are phonemic transcriptions of Korean consonants.# are voiced ...
Malay Malay language Malay is a major language of the Austronesian family. It is the official language of Malaysia , Indonesia , Brunei and Singapore...			[baru]	'new'
Maltese Maltese language Maltese is the national language of Malta, and a co-official language of the country alongside English,while also serving as an official language of the European Union, the only Semitic language so distinguished. Maltese is descended from Siculo-Arabic...			[aːtˈba]	'threshold'
Norwegian Norwegian language Norwegian is a North Germanic language spoken primarily in Norway, where it is the official language. Together with Swedish and Danish, Norwegian forms a continuum of more or less mutually intelligible local and regional variants .These Scandinavian languages together with the Faroese language...			[ˈbɔːl]	'bonfire'	See Norwegian phonology Norwegian phonology The sound system of Norwegian resembles that of Swedish. There is considerable variation among the dialects, but the variant generally taught to foreign students is Standard Eastern Norwegian, which is the one described in this article.-Consonants:...
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Polish Polish language Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...				'bass'	See Polish phonology Polish phonology The phonological system of the Polish language is similar in many ways to those of other Slavic languages, although there are some characteristic features found in only a few other languages of the family, such as contrasting retroflex and palatal fricatives and affricates, and nasal vowels...
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Zapotec Zapotec language The Zapotec language are a group of closely related indigenous Mesoamerican languages spoken by the Zapotec people from the southwestern-central highlands of Mexico. Present-day native speakers are estimated to number over half a million, with the majority inhabiting the state of Oaxaca....	Tilquiapan Tilquiapan Zapotec Tilquiapan Zapotec is an Oto-Manguean language of the Zapotecan branch, spoken in southern Oaxaca, Mexico.Santa Inés Yatzechi Zapotec is close enough to be considered a dialect, and Ocotlán Zapotec is also close....	bald Latin alphabet The Latin alphabet, also called the Roman alphabet, is the most recognized alphabet used in the world today. It evolved from a western variety of the Greek alphabet called the Cumaean alphabet, which was adopted and modified by the Etruscans who ruled early Rome...	[bal͡d]	'few'