Speaker lizenzfreie Stockvideos
29.422 speaker lizenzfreie StockvideosSiehe speaker Stockbilder
4k00:10Black and White technology Sound Icon audio music speaker Animation sound icon speaker vector sound icon audio music speaker logo sound technology audio music icon speaker audio music 4k technology
hd00:21Female executive leader coach presenter giving lecture presentation in modern office boardroom for corporate employees group, speaker mentor explaining training professional team at business seminar
4k00:10In the Corporate Meeting Room: Male Executive Talks and Uses Digital Interactive Whiteboard for Presentation to a Board of Directors, Investors. Screen Shows Growth Data. Late at Night Office
4k00:10Playing speaker membranes stacked in an endless loop. Lit by colourful and moody retro disco lights. Powerful, modern kind of midrange, subwoofer and twitter loudspeakers vibrate in even, frequencies.
hd00:11Female teacher coach mentor leader speaking teaching diverse staff students interns at group office meeting, executive manager speaker training employees consulting clients at team corporate workshop
hd00:21Speaker businessman talking at webcam making conference video call for job interview, business coach looking at camera recording vlog webinar, online training, e-coaching, consulting client online
4k00:13showman presents his show, spreading his hands to the sides. The guy in the purple camisole and the cylinder. Bright tailcoat, suit. Rear view of a male public speaker speaking at the microphone
4k00:18Confident businessman business coach speak look at camera in office, male entrepreneur talk during conference online call job interview recording online training webinar videoconference, webcam view
4k00:07Crowded education forum of trading corporation. Professional businesspeople view cooperation workshop for success leadership on chairs row. Adult beautiful listener or white collar indoors room center
hd00:13Confident speaker coach gives corporate presentation on whiteboard teaching diverse sales team at group meeting, male business trainer presenter speaking at training explaining report graph in office
4k00:13seminar audience from stage, business people conference meeting congress coach speaker group businessman forum training studying seminar, speech person about management economics politics problem 4 K
4k00:11In the Corporate Meeting Room: Enthusiastic Director Uses Digital Interactive Whiteboard for Presentation and Delivers Powerful Speech to a Board of Executives. Everybody Cheers and Applauds
4k00:13Showman. Young male entertainer, presenter or actor on stage. Back, arms to sides, smoke on background of spotlight. Rear view of a male public speaker speaking at the microphone, pointing, in the
hd00:30Happy asian teen girl student looking at camera webcamera making video call to distant friend or online teaching, smiling female teacher coach vlogger recording vlog speaking at webcam
4k00:10Vibrating speaker membranes stacked in an endless loop. Lit by soft, moody studio lights. Powerful, modern kind of midrange, subwoofer and twitter loudspeakers vibrate in even, pulsating frequencies.
hd00:13Smiling business man ceo coach speaker in suit waving hand talking looking at camera webcam recording video training or participating online conference call, advertising services on webinar
hd00:08Smiling african american young woman student online teacher looking at camera webcam making video call to distant friend or job interview, happy mixed race blogger talking at webcamera recording vlog
hd00:06Diverse employees and female coach mentor raise hands at corporate business training workshop get engaged involved in voting volunteer participate in team office presentation support unanimous idea
4k00:07Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics or economy. Energy gesturing in large room. Row of seats on background
4k00:12Crowd singing artist cheering 4k rock music pop music slow music rap music scene shows Concert crowd applause concert stage 4k concert hall neon Flood led nights club jumping hall waving silhouettes
4k00:11Hands of the Lecturer while he Gives Lecture to a Classroom Full Of Students. Young People Listening to a Lecture in the University.
hd00:21African american coach gives corporate presentation for businesspeople in office, dark skinned businessman presents new business plan on whiteboard, speaking to clients listening speaker at meeting
hd00:09A young guy comes out from the loudspeaker for the crowd against the current government. A man jumps and lights the crowd at the right atmosphere. In the night city the activist conducts a strike.
4k00:09Expert perform on the stage address to modern crowd audience sitting and listening in large hall. Female entrepreneur communicating with a listener at workshop convention for young businesspersons
4k00:05Modern speakers playing, stacked in an endless wall pattern loop. Powerful membranes in closeup, vibrate in even frequencies suggesting loud, high decibel music. Audiophile electronic equipment.
hd00:14Stressed nervous inexperienced businesswoman designer speaker preparing speech feeling afraid scared worried before performance reading papers preparing business speech, public speaking fear concept
4k00:15Female Motivational Speaker on Stage, Talking about Happiness, Diversity, Success, Leadership, STEM and How to Be Productive. Woman Presenter Leads Tech Business Conference. Low Angle Portrait
hd00:13the speaker tells the speech at conference. Business People Seminar Conference Meeting Office Training Concept. Business and Entrepreneurship concept.
4k00:05Funny pug dog talking on phone, listening to the speaker. Holding smartphone in paw, like human. Fake paw. Joke, prank
4k00:11Modern space for startup company of programmers career. Commerce activity for cooperation or success in large crowded room. Speaker says about successful marketing in full place of viewers slow motion
4k00:08Paris, France - December 17 2018: Overhead View Of A Google Home Mini With Cable (Chalk Color), Black Background. Smart Speaker With The Google Assistant, Virtual Assistant - DCI 4K
4k00:10The female financial coach emotional gesturing talks from the stage with spectators at forum. Too many anonymous persons workers and students seat in large auditorium and watch workshop background
4k00:15portrait of men speaking through a microphone in dark conference hall. Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics
hd00:21Two professional business coaches company leaders teachers give flip chart presentation explain graph consult clients training workers group at conference meeting office team workshop in boardroom
4k00:08Person says about marketing to college students for successful sales to college students indoors closeup. Idea of politics or economy. Gesturing in large room. Row of seats for spectator on background
4k00:18Happy female leader speaker coach handing out papers talking to team people get applause from employees clients after successful business presentation at group meeting at conference room table
hd00:26Person says about management for successful to college students indoors. Professional economy Speaker seminar business team teamwork conference coach businesswoman training audience students studying
4k00:15Showman. Young male entertainer, presenter or actor on stage. Back, arms to sides, smoke on background of spotlight. Rear view of a male public speaker speaking at the microphone, pointing, in the
hd00:15Confident smiling businessman webinar speaker coach entrepreneur teacher talking looking at camera webcam record video training vlog make online business conference call, webcamera cam view
4k00:11Person says about marketing and management to college students studying in classroom business people seminar audience conference meeting training coach speaker group seminar business team teamwork 4 K
4k00:14African american man hold megaphone in hand. Shouting out. Political rally. Social activists speack outdoor against. Resistance rebellion. Rebellious requirement activity. Many opposition public mass.
hd00:26Microphone on stage against a black background with blue lighting. Microphone in a smoke on a dark background. Music instrument concept.
hd00:08business people seminar audience from stage, conference meeting training coach speaker group businessman businesswoman training studying seminar, speech about management economics problem TV host
4k00:22amazing woman with body painted silver dancing with 2 video screens as eyes. the screens have videos of audio speakers on them. all content is from my own collection
4k00:07Locust Grove, United States - 01 10 2019: Amazon Echo Smart Home Device, Alexa Answers Question. Circa January 2019
4k00:13Camera Facing Class: College Professor Gives a Lecture to a Classroom Full of Multi Ethnic Students. Talented Speaker Captures Audience Attention.
hd00:06Economic occupation of manager at convention congress for government solution or confident development close up. Row of seats for crowd coaching. Trading lecture of caucasian male partner for worker
hd00:26Head shot business woman looking at camera sitting at desk modern skyscrapers through window, coach talking making presentation use webcam sell products services, provide information or recording vlog
hd00:09Close up of moving modern sub-woofer on recording studio. White round audio speaker pulsating and vibrating from sound on low frequency. Work of high fidelity loudspeaker membrane. Slow motion
hd00:30Corporate female business trainer discussing financial graph training employees group talking at team meeting, businesswoman coach mentor teaching workers at seminar giving presentation on whiteboard
4k00:10Looped seamless footage for your event, concert, stage design, title, presentation, site, DVD, designers, editors and VJ s for led screens and projection mapping show ...
hd00:14Indian female team leader talk to multicultural employees at diverse team meeting, hindu worker manager explain new project business plan discussing work results at corporate group briefing, top view
hd00:38Big Explosion Golden and Silver Glitter Dust Tiny reflect light in the Air and falling, Dark black background, Selective Focus close up blurred and slow motion
4k00:12People city street day. Young adult female activist feminist demonstration. Gender feminism fight resistance. Women march movement power sign equality. Strike empowerment action. Activist resistance.
4k00:08Confident female middle aged mature older business coach conference speaker manager give flip chart presentation at office meeting explain work plan teach diverse team at corporate workshop training
hd00:38Vibrations and dark water liquid over a subwoofer audio speaker. Black background. Slow motion
hd00:28Young casual man blogger looking at camera speaking recording lifestyle vlog at home, happy millennial guy talking sharing news making video call dating communicating online via webcam
4k00:15Smiling confident business woman hr teacher coach talk with distant client during conference online call job interview look at camera recording online training webinar videoconference, webcam view
hd00:27Stressed anxious businessman speaker feel nervous afraid before speech holding papers reading financial report preparing practicing standing in office, public speaking fear failure phobia concept
4k00:15Greta Thunberg Speaks About Climate Changes, Portugal. LISBON, PORTUGAL - 03 DECEMBER 2019; Greta Thunberg gives a strong speech when arriving in the city of Lisbon, Portugal
4k00:09Corporate Meeting Room: Young and Ambitious Female Executive Director Delivers Powerful Speech About Company’s Achievement of Record-Breaking Annual Revenue Results to a Board of Executives, Investors
hd00:07Microphone in hand singer on stage. Close-up. Silhouette of singer on stage with microphone in hand. Dark background, smoke, spotlights.
hd00:08Businessman presenting new project to diverse partners with flip chart, team leader giving presentation to multiracial colleagues in boardroom, corporate business training, making offer to investors
hd00:21business people seminar audience from stage, conference meeting training female woman speaker coach group businesswoman training studying seminar. speech about management economics politics problem
4k00:07Animation of speaker volume icon. Speaker volume symbol on green background 4K video love sign.
4k00:10Close-up of black round audio speaker pulsating and vibrating from sound on low frequency. Contemporary stylish sub-woofer.
4k00:14Female caucasian businesswoman coach leader conference speaker give business presentation explain project strategy draw on whiteboard training diverse team group at office boardroom seminar meeting
hd00:09Female manager coach employee speaker holding paper financial statistics report with charts graphs behind back preparing for speech feeling nervous, public speaking fear concept, rear close up view
4k00:09Late at Night in the Meeting Room: Handsome Executive Director Stands in the Head of the Conference Table Leans on it and Delivers Eloquent Speech to a Group of Businesspeople and Investors.
4k00:19Person says about marketing and management for successful sales indoors close up. Professional ideas for politics or economy. Energy gesturing in large room. Row of seats for listener on background
hd00:16Speaker giving talking on corporate Business Conference. Audience at conference hall. businesswoman. slow-motion. Young woman red jacket presenting business seminar. Speaker, seminar, coach, business
4k00:15Portrait of men speaking through a microphone in dark conference hall. Man talks into microphones at press conference. Profile of mature male politician speaking passionately from tribune
4k00:16african woman with an afro hairstyle enjoys voice assistant reading a book at the table close up
4k00:134K Closeup view from behind of businesswoman giving a presentation with projector. Slow motion.
4k00:14Showman. Middle Age Male entertainer, presenter or actor on stage. Arms to sides, smoke on background of spotlight. Front view portrait of a male public speaker speaking at the microphone, pointing
hd00:11Senior executive leader coach presenter speak at meeting give business presentation lecture for corporate workers group, employees listen to old speaker explain training professional team at seminar
4k00:14Close Up Shot of a Modern Silver Wireless Speaker Standing on a Table at Home. Man in the Background Walks to the Speaker and Pushes a Button. Then He Sits on a Couch.
hd00:08Friendly female mature old leader talking to diverse workers clients group at coffee break, business people team colleagues having fun conversation with middle aged boss discussing work in office
4k00:16Showman. Young male entertainer, presenter or actor on stage. Back, arms to sides, smoke on background of spotlight. Rear view of a male public speaker speaking at the microphone, pointing, in the