{"id":8128,"date":"2020-11-18T14:22:08","date_gmt":"2020-11-18T19:22:08","guid":{"rendered":"https:\/\/integracionav.com\/find-classroom-sound-at-integracion-av\/"},"modified":"2026-09-25T07:26:19","modified_gmt":"2026-09-25T12:26:19","slug":"classroom-sound-audio-systems","status":"publish","type":"post","link":"https:\/\/integracionav.com\/en\/classroom-sound-audio-systems\/","title":{"rendered":"Classroom Sound: Audio Systems for Classrooms"},"content":{"rendered":"\t\t
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Classroom sound is the set of microphones, speakers, and processing that carries the teacher\u2019s voice with the same clarity to the front row and the back row, and to students connected remotely. In a classroom the problem is almost never volume: it\u2019s that the voice is hard to understand because of the room\u2019s echo and background noise.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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This guide focuses on the room\u2019s audio. The rest of the classroom, with the board, camera, and control, is covered in our interactive classrooms and smart boards for education<\/a> solution.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Why classrooms sound bad<\/h2>

Classrooms tend to have hard walls, large windows, and ceilings that reflect sound. That reverberation blurs words together, and turning up the volume makes it worse: it sounds louder but is harder to understand.<\/p>

Add to that the noise from hallways and ventilation, plus distance: an unamplified teacher\u2019s voice loses clarity before it reaches the back rows. In a hybrid class the effect multiplies, because the laptop\u2019s microphone picks up the room\u2019s echo instead of the voice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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Key idea<\/p>

A good classroom sound system isn\u2019t measured by the speakers\u2019 wattage, but by how well the voice is understood at every seat.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Components of a classroom sound system<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t
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Lavalier Microphone<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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For the teacher who moves around and uses their hands. The voice comes through steadily to the room and the remote session without holding anything.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Handheld Microphone<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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For talks, panels, or guests who speak at specific moments. It\u2019s the easiest to pass between people.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Ceiling Speakers<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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Several speakers at lower volume spread across the ceiling. The voice sounds at the same level in the front row and the back row.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Wall Speakers<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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The alternative when the ceiling doesn\u2019t allow flush mounting. They\u2019re spread along the room, not just at the front.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Three pieces you don\u2019t see complete the system, but they decide whether the voice is understood:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tCapturing Students\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tCeiling or table microphones so questions from the room are heard in the recording and the remote session, without passing a handheld microphone around.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tAudio Processing\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tA processor that equalizes, controls feedback, and cancels echo in hybrid classes. It\u2019s what separates an installed system from a tuned one.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tControl\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tAudio turns on with the rest of the room from a single button. We program the channels\u2019 startup and shutdown to prevent mishandling and extend the equipment\u2019s life.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Sound in the hybrid classroom<\/h2>

When students are connected remotely, audio has two audiences: the room and the remote session. The teacher\u2019s microphone and the capture microphones feed the video call, and the processor keeps remote participants\u2019 voices from coming back through the speakers as echo.<\/p>

That\u2019s why sound is designed together with the camera and the board, not as a separate system. The what an interactive classroom is<\/a> guide explains how those pieces come together, and the smart whiteboards<\/a> guide covers when a panel microphone is enough.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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From the classroom to the auditorium and the campus<\/h2>

A university auditorium needs a different design: more distance, more capacity, and sometimes reinforcement for events. That solution is covered in corporate and university auditoriums<\/a>. For hallways, common areas, and general paging across campus, the solution is background music and paging<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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Have you already identified audio problems in your classrooms?<\/p>

Request a Technical Visit<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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How we design and install classroom sound<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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  1. Room measurement<\/strong>Dimensions, materials, capacity, background noise, and existing equipment that can be reused.<\/li>
  2. Design<\/strong>Type and placement of microphones and speakers, and the processing each type of room needs.<\/li>
  3. Installation<\/strong>Mounted during breaks or hours with no class, coordinated with the academic calendar.<\/li>
  4. On-site tuning<\/strong>Equalization and levels measured in the room, seat by seat, with the system running.<\/li>
  5. Training and maintenance<\/strong>Teachers learn to use the system, and we schedule preventive maintenance<\/a>.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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    The system integrates with the equipment the classroom already has, such as the computer, the board, and the projector, and doesn\u2019t depend on a single brand. We\u2019ve integrated audiovisual spaces for educational institutions since 2006; the sector\u2019s outlook is covered in education sector<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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    Frequently Asked Questions About Classroom Sound<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    How many speakers does a classroom need? <\/h3><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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    It depends on the size, ceiling height, and materials. The rule is to spread several speakers at lower volume so the level stays even, and it\u2019s defined during the room measurement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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    Is a microphone necessary in a small classroom? <\/h3><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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    If the class is only in person and the room is small, sometimes not. If there are remote students, recording, or teachers who lecture for several hours straight, yes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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    Does the same system work for hybrid classes? <\/h3><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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    Yes, if it\u2019s designed for that from the start: the microphones feed the video call and the processor cancels the remote session\u2019s echo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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    Can it integrate with the board and projector we already have? <\/h3><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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    Yes. The audio connects with the existing equipment and turns on with it from the same control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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    Let\u2019s Improve Your Classrooms\u2019 Sound<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    The first conversation is a technical consultation: we review the classrooms, how the class is taught, and what equipment can be reused. From there we prepare a proposal by classroom type, with the audio design and schedule.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tRequest a Technical Consultation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tMessage us on WhatsApp<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Bogot\u00e1 and Medell\u00edn \u00b7 +57 301 656 9858<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

    Why classrooms sound bad, what a classroom sound system needs, and how it is designed for hybrid classes.<\/p>\n","protected":false},"author":5,"featured_media":8958,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[34,36],"tags":[],"class_list":["post-8128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-soluciones"],"acf":[],"_links":{"self":[{"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/posts\/8128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/comments?post=8128"}],"version-history":[{"count":4,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/posts\/8128\/revisions"}],"predecessor-version":[{"id":8991,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/posts\/8128\/revisions\/8991"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/media\/8958"}],"wp:attachment":[{"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/media?parent=8128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/categories?post=8128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/integracionav.com\/en\/wp-json\/wp\/v2\/tags?post=8128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}