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Sound vs. Voice — What's the Difference?

By Tayyaba Rehman & Urooj Arif — Updated on March 14, 2024
Sound is a vibration that travels through air or another medium, while voice is a specific type of sound produced by the vocal cords of humans or animals.
Sound vs. Voice — What's the Difference?

Difference Between Sound and Voice

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Key Differences

Sound encompasses a broad range of vibrations that create auditory experiences, which can originate from various sources such as musical instruments, environmental noise, or technological devices. Voice, on the other hand, specifically refers to the sound produced by the vocal cords in humans and some animals.
he physical properties of sound, such as frequency, amplitude, and timbre, apply to voice as well. However, voice is distinguished by its ability to convey language and emotion, thanks to the specific modulation of these properties. Frequency (pitch), amplitude (loudness), and timbre (tone quality) are manipulated during speech or singing to communicate different meanings and emotions.
While all voices are sounds, not all sounds are voices. Sound can be generated by any vibrating object, and it requires a medium to travel. Voices are a subset of sounds that specifically result from the action of the vocal cords and are modulated by various parts of the human or animal vocal apparatus to produce speech, song, or other vocal sounds.
The study and technology around sound and voice differ significantly. Acoustics, the science of sound, encompasses the study of all types of sounds, their production, transmission, and effects. Voice science, a subset of acoustics, focuses on the physical, physiological, and psychological aspects of vocal sound production, particularly in humans. It includes areas such as speech therapy, vocal training, and the study of vocal health and disorders.

Comparison Chart

Definition

Vibration that travels through a medium
Specific sound produced by vocal cords
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Origin

Various sources (instruments, nature, etc.)
Vocal cords in humans and some animals

Properties

Frequency, amplitude, timbre
Also includes frequency, amplitude, timbre, but used for speech or singing

Communication

Can convey information (e.g., alarms)
Used for complex communication (speech, singing)

Study

Acoustics
Voice science (subset of acoustics)

Compare with Definitions

Sound

A type of energy made by vibrations, which travels through air or another medium and can be heard when it reaches a person's or animal's ear.
The sound of the rain against the window was soothing.

Voice

The sound produced in a person's larynx and uttered through the mouth, as speech or song.
Her voice was clear and melodious, captivating everyone in the audience.

Sound

Characterized by frequency, amplitude, and timbre.
The high frequency of the whistle made it piercingly loud.

Voice

Can convey complex information and emotion through speech and singing.
The emotion in her voice during the speech moved the audience to tears.

Sound

Used in various fields, including music, communication technology, and acoustical engineering.
Sound engineers work meticulously to achieve the perfect audio balance in a concert.

Voice

Primarily used for spoken language, unique to humans and some animals.
The development of voice significantly contributed to the advancement of human civilization.

Sound

Can be produced by anything that vibrates, from a musical instrument to the rustling of leaves.
The sound of the guitar filled the room with warmth.

Voice

Subject to health issues and improvements through training and therapy.
Vocal training can significantly improve the strength and versatility of one's voice.

Sound

Requires a medium to travel through and an auditory system to perceive.
Sound cannot travel through the vacuum of space because there's no medium for it to move through.

Voice

Result of airflow from the lungs, vibration of the vocal cords, and modulation by the articulators.
He lost his voice after yelling at the game, indicating strain on his vocal cords.

Sound

A vibration capable of causing such sensations.

Voice

To clamor; to cry out.

Sound

In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain.

Voice

The sound produced by the vocal organs of a vertebrate, especially a human.

Sound

Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable of being detected by human organs of hearing.

Voice

The ability to produce such sounds
He has laryngitis and has lost his voice.

Sound

Transmitted vibrations of any frequency.

Voice

The mind as it produces verbal thoughts
Listening to the voice within.

Sound

The sensation stimulated in the organs of hearing by such vibrations in the air or other medium.

Voice

A specified quality, condition, or pitch of vocal sound
A hoarse voice.
The announcer's booming voice.

Sound

Such sensations considered as a group.

Voice

(Linguistics) Expiration of air through vibrating vocal cords, used in the production of vowels and voiced consonants.

Sound

A distinctive noise
A hollow sound.

Voice

A sound resembling or reminiscent of vocal utterance
The murmuring voice of the forest.

Sound

The distance over which something can be heard
Within sound of my voice.

Voice

Musical sound produced by vibration of the human vocal cords and resonated within the throat and head cavities.

Sound

An articulation made by the vocal apparatus
A vowel sound.

Voice

The quality or condition of a person's singing
A baritone in excellent voice.

Sound

The distinctive character of such an articulation
The words bear and bare have the same sound.

Voice

A singer
A choir of excellent voices.

Sound

A mental impression; an implication
Didn't like the sound of the invitation.

Voice

One of the individual vocal or instrumental parts or strands in a composition
A fugue for four voices.
String voices carrying the melody. Also called voice part.

Sound

Auditory material that is recorded, as for a movie.

Voice

Expression; utterance
Gave voice to their feelings at the meeting.

Sound

Meaningless noise.

Voice

A medium or agency of expression
A newsletter that serves as a neighborhood voice.

Sound

(Music) A distinctive style, as of an orchestra or singer.

Voice

The right or opportunity to express a choice or opinion
A territory that has a voice, but not a vote, in Congress.

Sound

(Archaic) Rumor; report.

Voice

(Grammar) A property of verbs or a set of verb inflections indicating the relation between the subject and the action expressed by the verb
"Birds build nests" uses the active voice.
"nests built by birds" uses the passive voice. Also called diathesis.

Sound

A long, relatively wide body of water, larger than a strait or a channel, connecting larger bodies of water.

Voice

The distinctive style or manner of expression of an author or of a character in a book.

Sound

A long, wide ocean inlet.

Voice

To give expression to; utter
Voice a grievance.

Sound

(Archaic) The swim bladder of a fish.

Voice

(Linguistics) To pronounce with vibration of the vocal cords.

Sound

An instrument used to examine or explore body cavities, as for foreign bodies or other abnormalities, or to dilate strictures in them.

Voice

To provide (a composition) with voice parts.

Sound

To make or give forth a sound
The siren sounded.

Voice

To regulate the tone of (the pipes of an organ, for example).

Sound

To be given forth as a sound
The fanfare sounded.

Voice

To provide the voice for (a cartoon character or show, for example)
The animated series was voiced by famous actors.

Sound

To present a particular impression
That argument sounds reasonable.

Voice

Sound uttered by the mouth, especially by human beings in speech or song; sound thus uttered considered as possessing some special quality or character
The human voice is the oldest musical instrument in history.
She has a pleasant voice.
His low voice allowed him to become a bass in the choir.

Sound

To cause to give forth or produce a sound
Sounded the gong.

Voice

(phonetics) Sound made through vibration of the vocal cords; sonant, or intonated, utterance; tone; — distinguished from mere breath sound as heard in whispering and voiceless consonants.

Sound

To summon, announce, or signal by a sound
Sound a warning.

Voice

The tone or sound emitted by an object

Sound

(Linguistics) To articulate; pronounce
Sound a vowel.

Voice

The faculty or power of utterance
To cultivate the voice

Sound

To make known; celebrate
"Nations unborn your mighty names shall sound" (Alexander Pope).

Voice

That which is communicated; message; meaning.

Sound

To examine (a body organ or part) by causing to emit sound; auscultate.

Voice

An expressed opinion, choice, will, desire, or wish; the right or ability to make such expression or to have it considered

Sound

To measure the depth of (water), especially by means of a weighted line; fathom.

Voice

(archaic) Command; precept.

Sound

To try to learn the attitudes or opinions of
Sounded out her feelings.

Voice

One who speaks; a speaker.

Sound

To probe (a body cavity) with a sound.

Voice

(literature) A particular style or way of writing that expresses a certain tone or feeling.

Sound

To measure depth.

Voice

(grammar) A particular way of inflecting or conjugating verbs, or a particular form of a verb, by means of which is indicated the relation of the subject of the verb to the action which the verb expresses.
The verbal system of Latin has two voices, active and passive.

Sound

To dive swiftly downward. Used of a marine mammal or a fish.

Voice

(music) In harmony, an independent vocal or instrumental part in a piece of composition.
The theme of this piece constantly migrates between the three voice parts.

Sound

To look into a possibility; investigate.

Voice

A flag associated with a user on a channel, determining whether or not they can send messages to the channel.

Sound

Free from defect, decay, or damage; in good condition
Is the bridge sound?.

Voice

(transitive) To give utterance or expression to; to utter; to publish; to announce
He voiced the sentiments of the nation.

Sound

Free from disease or injury.

Voice

To utter audibly, with tone and not just breath.

Sound

Marked by or showing common sense and good judgment; levelheaded
A sound approach to the problem.

Voice

(transitive) To fit for producing the proper sounds; to regulate the tone of
Voice the pipes of an organ

Sound

Based on valid reasoning; having no logical flaws
A sound conclusion.
Sound reasoning.

Voice

To vote; to elect; to appoint

Sound

(Logic) Of or relating to an argument in which all the premises are true and the conclusion follows from the premises.

Voice

To clamor; to cry out

Sound

Secure or stable
A partnership that started on a sound footing.

Voice

To assign the voice flag to a user on IRC, permitting them to send messages to the channel.

Sound

Financially secure or safe
A sound economy.

Voice

To act as a voice actor to portray a character.

Sound

Thorough; complete
Gave their rivals a sound thrashing.

Voice

Sound uttered by the mouth, especially that uttered by human beings in speech or song; sound thus uttered considered as possessing some special quality or character; as, the human voice; a pleasant voice; a low voice.
He with a manly voice saith his message.
Her voice was ever soft,Gentle, and low; an excellent thing in woman.
Thy voice is music.
Join thy voice unto the angel choir.

Sound

Deep and unbroken; undisturbed
A sound sleep.

Voice

Sound of the kind or quality heard in speech or song in the consonants b, v, d, etc., and in the vowels; sonant, or intonated, utterance; tone; - distinguished from mere breath sound as heard in f, s, sh, etc., and also whisper.

Sound

Compatible with an accepted point of view; orthodox
Sound doctrine.

Voice

The tone or sound emitted by anything.
After the fire a still small voice.
Canst thou thunder with a voice like him?
The floods have lifted up their voice.
O Marcus, I am warm'd; my heartLeaps at the trumpet's voice.

Sound

Thoroughly; deeply
Sound asleep.

Voice

The faculty or power of utterance; as, to cultivate the voice.

Sound

Healthy.
He was safe and sound.
In horse management a sound horse is one with no health problems that might affect its suitability for its intended work.

Voice

Language; words; speech; expression; signification of feeling or opinion.
I desire to be present with you now, and to change my voice; for I stand in doubt of you.
My voice is in my sword.
Let us call on God in the voice of his church.

Sound

Complete, solid, or secure.
Fred assured me the floorboards were sound.

Voice

Opinion or choice expressed; judgment; a vote.
Sic. How now, my masters! have you chose this man?1 Cit. He has our voices, sir.
Some laws ordain, and some attend the choiceOf holy senates, and elect by voice.

Sound

Having the property of soundness.

Voice

Command; precept; - now chiefly used in scriptural language.
So shall ye perish; because ye would not be obedient unto the voice of the Lord your God.

Sound

Good; acceptable; decent.
How are you? —I'm sound.
That's a sound track you're playing.
See that man over there? He's sound. You should get to know him.

Voice

One who speaks; a speaker.

Sound

(of sleep) Quiet and deep.
Sound asleep means sleeping peacefully, and often deeply.
Her sleep was sound.

Voice

A particular mode of inflecting or conjugating verbs, or a particular form of a verb, by means of which is indicated the relation of the subject of the verb to the action which the verb expresses.

Sound

Heavy; laid on with force.
A sound beating

Voice

To give utterance or expression to; to utter; to publish; to announce; to divulge; as, to voice the sentiments of the nation.
It was voiced that the king purposed to put to death Edward Plantagenet.

Sound

Founded in law; legal; valid; not defective.
A sound title to land

Voice

To utter with sonant or vocal tone; to pronounce with a narrowed glottis and rapid vibrations of the vocal cords; to speak above a whisper.

Sound

Soundly.

Voice

To fit for producing the proper sounds; to regulate the tone of; as, to voice the pipes of an organ.

Sound

Yes; used to show agreement or understanding, generally without much enthusiasm.
I found my jacket. — Sound.

Voice

To vote; to elect; to appoint.

Sound

A sensation perceived by the ear caused by the vibration of air or some other medium.
He turned when he heard the sound of footsteps behind him.
Nobody made a sound.

Voice

The distinctive quality or pitch or condition of a person's speech;
A shrill voice sounded behind us

Sound

(music) A distinctive style and sonority of a particular musician, orchestra, &.

Voice

The sound made by the vibration of vocal folds modified by the resonance of the vocal tract;
A singer takes good care of his voice
The giraffe cannot make any vocalizations

Sound

Noise without meaning; empty noise.

Voice

A sound suggestive of a vocal utterance;
The noisy voice of the waterfall
The incessant voices of the artillery

Sound

, distance within which a certain noise may be heard.
Stay within the sound of my voice.

Voice

Expressing in coherent verbal form;
The articulation of my feelings
I gave voice to my feelings

Sound

(phonetics) A segment as a part of spoken language, the smallest unit of spoken language, a speech sound.

Voice

A means or agency by which something is expressed or communicated;
The voice of the law
The Times is not the voice of New York
Conservatism has many voices

Sound

A long narrow inlet, or a strait between the mainland and an island; also, a strait connecting two seas, or connecting a sea or lake with the ocean.
Puget Sound; Owen Sound; Long Island Sound

Voice

Something suggestive of speech in being a medium of expression;
The wee small voice of conscience
The voice of experience
He said his voices told him to do it

Sound

The air bladder of a fish.
Cod sounds are an esteemed article of food.

Voice

(metonymy) a singer;
He wanted to hear trained voices sing it

Sound

A long, thin probe for sounding or dilating body cavities or canals such as the urethra; a sonde.

Voice

An advocate who represents someone else's policy or purpose;
The meeting was attended by spokespersons for all the major organs of government

Sound

(intransitive) To produce a sound.
When the horn sounds, take cover.

Voice

The ability to speak;
He lost his voice

Sound

(copulative) To convey an impression by one's sound.
He sounded good when we last spoke.
That story sounds like a pack of lies!

Voice

(linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes

Sound

(intransitive) To be conveyed in sound; to be spread or published; to convey intelligence by sound.

Voice

The melody carried by a particular voice or instrument in polyphonic music;
He tried to sing the tenor part

Sound

To resound.

Voice

Give voice to;
He voiced his concern

Sound

To arise or to be recognizable as arising in or from a particular area of law, or as likely to result in a particular kind of legal remedy.
In my opinion this claim sounds in damages rather than in an injunction.

Voice

Utter with vibrating vocal chords

Sound

(transitive) To cause to produce a sound.
Sound the alarm!
He sounds the instrument.

Sound

To pronounce.
The "e" in "house" isn't sounded.

Sound

(intransitive) Dive downwards, used of a whale.
The whale sounded and eight hundred feet of heavy line streaked out of the line tub before he ended his dive.

Sound

To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try; to test; to probe.
When I sounded him, he appeared to favor the proposed deal.

Sound

Test; ascertain the depth of water with a sounding line or other device.
Mariners on sailing ships would sound the depth of the water with a weighted rope.

Sound

(medicine) To examine with the instrument called a sound or sonde, or by auscultation or percussion.
To sound a patient, or the bladder or urethra

Sound

The air bladder of a fish; as, cod sounds are an esteemed article of food.

Sound

A cuttlefish.

Sound

A narrow passage of water, or a strait between the mainland and an island; also, a strait connecting two seas, or connecting a sea or lake with the ocean; as, the Sound between the Baltic and the german Ocean; Long Island Sound.
The Sound of Denmark, where ships pay toll.

Sound

Any elongated instrument or probe, usually metallic, by which cavities of the body are sounded or explored, especially the bladder for stone, or the urethra for a stricture.

Sound

The peceived object occasioned by the impulse or vibration of a material substance affecting the ear; a sensation or perception of the mind received through the ear, and produced by the impulse or vibration of the air or other medium with which the ear is in contact; the effect of an impression made on the organs of hearing by an impulse or vibration of the air caused by a collision of bodies, or by other means; noise; report; as, the sound of a drum; the sound of the human voice; a horrid sound; a charming sound; a sharp, high, or shrill sound.
The warlike soundOf trumpets loud and clarions.

Sound

The occasion of sound; the impulse or vibration which would occasion sound to a percipient if present with unimpaired; hence, the theory of vibrations in elastic media such cause sound; as, a treatise on sound.

Sound

Noise without signification; empty noise; noise and nothing else.
Sense and not sound . . . must be the principle.

Sound

Whole; unbroken; unharmed; free from flaw, defect, or decay; perfect of the kind; as, sound timber; sound fruit; a sound tooth; a sound ship.

Sound

Healthy; not diseased; not being in a morbid state; - said of body or mind; as, a sound body; a sound constitution; a sound understanding.

Sound

Firm; strong; safe.
The brasswork here, how rich it is in beams,And how, besides, it makes the whole house sound.

Sound

Free from error; correct; right; honest; true; faithful; orthodox; - said of persons; as, a sound lawyer; a sound thinker.
Do not I know you a favorerOf this new seat? Ye are nor sound.

Sound

Founded in truth or right; supported by justice; not to be overthrown on refuted; not fallacious; as, sound argument or reasoning; a sound objection; sound doctrine; sound principles.
Hold fast the form of sound words, which thou hast heard of me.

Sound

Heavy; laid on with force; as, a sound beating.

Sound

Undisturbed; deep; profound; as, sound sleep.

Sound

Founded in law; legal; valid; not defective; as, a sound title to land.

Sound

Soundly.
So sound he slept that naught might him awake.

Sound

To measure the depth of; to fathom; especially, to ascertain the depth of by means of a line and plummet.

Sound

To explore, as the bladder or urethra, with a sound; to examine with a sound; also, to examine by auscultation or percussion; as, to sound a patient.

Sound

To ascertain the depth of water with a sounding line or other device.
I sound as a shipman soundeth in the sea with his plummet to know the depth of sea.

Sound

To make a noise; to utter a voice; to make an impulse of the air that shall strike the organs of hearing with a perceptible effect.
How silver-sweet sound lovers' tongues!

Sound

To be conveyed in sound; to be spread or published; to convey intelligence by sound.
From you sounded out the word of the Lord.

Sound

To make or convey a certain impression, or to have a certain import, when heard; hence, to seem; to appear; as, this reproof sounds harsh; the story sounds like an invention.
Good sir, why do you start, and seem to fearThings that do sound so fair?
Soun[d]ing in moral virtue was his speech.

Sound

To cause to make a noise; to play on; as, to sound a trumpet or a horn; to sound an alarm.
A bagpipe well could he play and soun[d].

Sound

To cause to exit as a sound; as, to sound a note with the voice, or on an instrument.

Sound

To order, direct, indicate, or proclain by a sound, or sounds; to give a signal for by a certain sound; as, to sound a retreat; to sound a parley.
The clock sounded the hour of noon.

Sound

To celebrate or honor by sounds; to cause to be reported; to publish or proclaim; as, to sound the praises of fame of a great man or a great exploit.

Sound

To examine the condition of (anything) by causing the same to emit sounds and noting their character; as, to sound a piece of timber; to sound a vase; to sound the lungs of a patient.

Sound

To signify; to import; to denote.
Soun[d]ing alway the increase of his winning.

Sound

The particular auditory effect produced by a given cause;
The sound of rain on the roof
The beautiful sound of music

Sound

The subjective sensation of hearing something;
He strained to hear the faint sounds

Sound

Mechanical vibrations transmitted by an elastic medium;
Falling trees make a sound in the forest even when no one is there to hear them

Sound

The sudden occurrence of an audible event;
The sound awakened them

Sound

The audible part of a transmitted signal;
They always raise the audio for commercials

Sound

(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language

Sound

A narrow channel of the sea joining two larger bodies of water

Sound

A large ocean inlet or deep bay;
The main body of the sound ran parallel to the coast

Sound

Appear in a certain way;
This sounds interesting

Sound

Make a certain noise or sound;
She went `Mmmmm'
The gun went `bang'

Sound

Give off a certain sound or sounds;
This record sounds scratchy

Sound

Announce by means of a sound;
Sound the alarm

Sound

Utter with vibrating vocal chords

Sound

Cause to sound;
Sound the bell
Sound a certain note

Sound

Measure the depth of (a body of water) with a sounding line

Sound

Financially secure and safe;
Sound investments
A sound economy

Sound

Exercising or showing good judgment;
Healthy scepticism
A healthy fear of rattlesnakes
The healthy attitude of French laws
Healthy relations between labor and management
An intelligent solution
A sound approach to the problem
Sound advice
No sound explanation for his decision

Sound

In good condition; free from defect or damage or decay;
A sound timber
The wall is sound
A sound foundation

Sound

In excellent physical condition;
Good teeth
I still have one good leg
A sound mind in a sound body

Sound

Reflects weight of sound argument or evidence;
A sound argument

Sound

Having legal efficacy or force;
A sound title to the property

Sound

Free from moral defect;
A man of sound character

Sound

(of sleep) deep and complete;
A heavy sleep
Fell into a profound sleep
A sound sleeper
Deep wakeless sleep

Sound

Thorough;
A sound thrashing

Sound

Deeply or completely;
Slept soundly through the storm
Is sound asleep

Common Curiosities

Can voice convey more than just words?

Yes, voice can convey emotions and subtle nuances through changes in tone, pitch, and volume.

Can all sounds be considered voices?

No, only sounds produced by the vocal cords are considered voices; other sounds come from various sources.

How do sound and voice travel to the ear?

Both travel as vibrations through mediums like air or water before being perceived by the auditory system.

Why is voice unique to humans and some animals?

Voice involves complex processes of the vocal cords and articulators for speech or singing, which not all creatures possess.

What role does timbre play in differentiating voices?

Timbre, or tone quality, helps distinguish between different voices and sounds, even if they have the same pitch and loudness.

Is it possible to improve one's voice?

Yes, through vocal training and therapy, individuals can improve the quality, strength, and health of their voice.

Are there specific diseases that affect the voice?

Yes, conditions like laryngitis, vocal cord nodules, and polyps can affect voice quality and production.

How do frequency and amplitude affect sound and voice?

They determine the pitch and loudness of both sound and voice, influencing how they are perceived.

What is the main difference between sound and voice?

Sound is a general term for vibrations that travel through a medium, while voice specifically refers to sounds produced by the vocal cords in humans and animals.

What is the significance of voice in communication?

Voice is fundamental to verbal communication, enabling the expression of thoughts, information, and emotions.

How does the environment affect sound and voice propagation?

Acoustics and obstacles can alter the direction, speed, and clarity with which sound and voice travel.

How is voice used in technology?

Voice recognition and synthesis technologies are used in devices and applications for interaction and accessibility.

What scientific fields study sound and voice?

Acoustics studies sound in general, while voice science focuses on the production, use, and health of the human voice.

Can animals use voice to communicate?

Yes, many animals use their voices to communicate, through calls, songs, or other vocalizations.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.

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