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Troubleshoot audio or video issues - YouTube Help

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If you're having problems with the audio or video of your upload, try these troubleshooting steps to solve the issue. Verify your video settings to fix common issues Making changes to your video's

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Whether you're a new or experienced podcaster, you may face the decision of whether to be in audio or video podcasting. Here are the pros and cons of each format, and things you should consider.

I'm omitting "enhanced AAC" because it's a quickly dying format with limited compatibility and few practical needs that can't be met with effective show notes.

This topic was inspired by Steve Hart's feedback.

Hi Daniel.

Do you know of any research that helps establish if people prefer video podcasts over audio only podcasts?
My feeling is that people are more likely to listen than watch, particularly if the video only features 'talking heads'.

Would be interested to see any stats or research into this area.

Cheers,
The Steve Hart Radio Show

Audio benefits

1. Widely consumable

The most powerful thing about audio podcasting is how easy audio is to consume in various environments. You can listen to podcasts while cooking, driving, playing games, mowing the yard, and even working. It's easy to listen to one thing while doing another.

2. High quality for low cost

The Audio Technica ATR2100-USB ( Amazon.com | B&H) is only $50 and produces acceptable quality for any audio podcast. You can plug it straight into your computer (or many mobile devices) to record without expensive equipment.

3. Easy production

If you can cut, copy, paste, and delete text on your computer, then you can edit audio! It's easy to remove sections you don't want, and clean up dialog without leaving any noticeable signs of editing.

4. Popular choice

Only six out of the top one hundred podcasts in iTunes (as of March 3, 2014) were video. Even Leo Laporte's This Week in Tech has only the audio edition in the top 100, but not the video edition.

This, alone, doesn't mean it's the best option, just that more top podcasters chose audio, or their audio formats are more popular.

5. Supported by all podcast apps and directories

You can play MP3 audio files on almost any device or media app. Even old flip phones can playback MP3!

There are several apps that support audio and video podcasts, but many popular apps (such as Stitcher, TuneIn, and iHeartRadio) support only audio.

Audio disadvantages

1. Difficult to share

It's hard to make audio go viral. Some media hosts, such as SoundCloud and Audioboo, have partnered with Twitter or Facebook to automatically embed media players for direct links to media files. Aside from these couple exceptions, audio is far less common for sharing or embedding.

2. Low accessibility for hearing-impaired

Audio can't be consumed by the hearing-impaired. You can help this by having your episodes transcribed, or by writing great show notes (my recommendation).

3. Visual subjects don't communicate well

Try to review paintings in audio, describe a beautiful scene, or train on software or hardware. While these are all possible to do, if you can communicate well, they take a lot more work and time than simply showing something. This is why nearly all of my one-on-one consulting sessions involve video (webcam or screenshare).

4. Doesn't engage well on YouTube

Many people want to be on YouTube because it's a massive social network and even a search engine of its own. It's possible for you to publish your audio to YouTube with just your cover art or a slide presentation. This kind of "hacking the system" it's far less effective and will probably turn away potential a potential audience.

Video benefits

1. Prominent media players

When you go to a website with an embedded video, you know what to do with that video. It's often more compelling to click play on the video than to read through the written content.

This is a problem that can be helped in audio podcasting, but it needs more support.

2. Easy to communicate visual subjects

Instead of spending time describing something in order to discuss it, video allows you to simply "show and tell."

I do recommend being more specific than simply saying, "here" and "this," but you don't have to be so descriptive to say, "In the upper-right corner, just to the left of the logo, are two red and white RCA inputs and outputs."

3. On-screen aids to help accessibility

Video also makes the easy things even easier to communicate. Instead of saying, "Email feedback at My Awesome Podcast dot com," you can just say, "Email me," and display the email address on the screen.

This works for many details, and even allows for commentary, corrections, footnotes, and more. Consider how I added a footnote to my video " How to add or change your podcast cover art."

4. Engaging and shareable

We're humans and we relate with other humans. Showing your face in video allows your audience to get to know you even better than just hearing your voice. They can see your expressions, read emotions, and learn to recognize your appearance. This can result in more engagement.

(Side tip. Unless you're doing drama or interviews, always have the subject look directly into the camera (or near it) instead of off-camera.)

5. Free "hosting" and leverage on YouTube

YouTube is social network of its own. I think the quality and usability of comments has increased since Google+ was integrated. Being on YouTube can help you reach a whole new audience.

When you upload your videos to YouTube, they can live there forever without any foreseeable hosting expenses.

You even have the opportunity to monetize your videos more easily on YouTube than finding a sponsor for your show.

6. Search-engine optimization (SEO) with YouTube

Many people will even search YouTube for things before they search Google.

Being on YouTube also gives you more opportunities to appear on the first page (and higher position) in Google search results.

7. Great longtail

Because publishing video lets you get onto other platforms and be more shareable, you'll find a larger "longtail" for video content than audio. "Longtail" is how much your media is consumed over time. The timelessness of your content greatly affects this.

I see many of my YouTube videos continue to receive more weekly views than their equivalent audio podcast episodes.

Video disadvantages

1. Expensive for high quality

Getting good video means you need a great microphone (which should not get in the way of your face), good lighting, and decent camera-in that order. Even with cheap options for each of these needs, you'll still spend several times more for video than audio.

2. Complicated production

Editing video is a lot more complicated than audio. You need to learn about color correction, composition, video codecs, resolutions, frame rates, and more.

In video, it's not good to try removing every verbal crutch because this leaves noticeable edit points in your production. You can sometimes cover these up with B-roll footage (other relevant video or images, such as a second shot of the product you're reviewing), but this means more stuff you have to find or record. Watch how I use my own B-roll footage to cover up my edit points in my review of the Electro Voice RE20 microphone.

3. Hard to consume

Try watching a video while driving, mowing the hard, or using deadly cooking utensils. Actually, don't. I want you to stay alive with all your body parts.

Watching video requires a lot more attention than audio. This is a good reason to keep Internet videos short, so that it's easy for your audience to watch the whole thing without the commitment they'd have to give a movie or TV show.

4. Small support by podcast apps and directories

Many new and popular podcast apps don't support video podcasts. Stitcher, iHeartRadio, and TuneIn are just a few. But it does seem like a growing trend.

In-car entertainment is also likely to support only audio for driver safety.

Why did you choose your format?

What made you choose audio or video? If you publish both, what kinds of growth do you see for either format.

Announcements

Need personalized podcasting help?

I no longer offer one-on-one consulting outside of Podcasters' Society, but request a consultant here and I'll connect you with someone I trust to help you launch or improve your podcast.

Ask your questions or share your feedback

Connect with me

Disclosure

This post may contain links to products or services with which I have an affiliate relationship and may receive compensation from your actions through such links. However, I don't let that corrupt my perspective and I don't recommend only affiliates.

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Should your podcast be audio, or video? - TAP163

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Whether you're a new or experienced podcaster, you may face the decision of whether to be in audio or video podcasting. Here are the pros and cons of each format, and things you should consider. I'm omitting "enhanced AAC" because it's a quickly dying format with limited compatibility and few practical needs that can't be met with effective show notes.

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For the language teacher, YouTube may be nothing less than one of the best sources of material the classroom has ever seen. In this article, I would like to share 12 clips that I have used in my own classroom. I hope that each clip will be representative of a type of video that may be of particular interest to language teachers.

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pedagogical benefits of video ; video in education; video for teaching ; learning deisgns for video ; pedagogical benefits; university of queensland ; uq ; queensland university ; australian universities ; queensland universities ; brisbane ; australia

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Pedagogical benefits of video for teaching and learning - The University of Queensland, Australia

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Pedagogical benefits of video for teaching and learning @ UQ

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by Chris Speck 12,767 views

Want to spice up the lessons in your classroom? Try incorporating some audio. From listening to music and spoken word pieces to recording their own voices, their many ways to help students learn while using audio. So pull out the smartphones, plug in the headphones, and have students get to work.

Listening to music

When it comes to using songs in your classroom. you have plenty of options. Students can complete gap fills while listening to songs or create their own gap fill worksheets for their favorite songs. THey can also listen to and watch lyric videos on YouTube, building their language and vocabulary skills while enjoying some fun music. With a smartphone, students have the ability to pause songs, review them, and repeat them as they wish so they can get the language down. In addition to listening to music as part of an activity, you can encourage students to listen to music in English outside of class and discuss some of their favorite songs with their friends.

Listening to podcasts and the radio

Podcasts and radio stations are full of different shows for students to listen to. Many of these shows go beyond music too. For example, students could listen to one of the regular programs on NPR or find a podcast that connects with a topic they are interested in. Students can also listen to the news on the radio or a podcast and make notes about the biggest stories of the day. You can have students listen and write down the gist of what they're hearing or have them focus on more specific meanings as they listen.

If you're looking for interesting podcasts for students, consider some of the following:

There are some brilliant podcast anecdotes at the award-winning Luke's English Podcast. Have students listen to one, make notes and then share the information with their partners.

There are some informative (and quite difficult) professional podcasts from the British Council here . These are great for high level students that are intermediate and above.

There are also a whole series of Elementary podcasts from the British council with interactive games and activities. You could have your students complete these as homework or as a classroom study time task.

There are high-level current affairs shows and documentaries to help students learn academic English available through Radio4 Podcasts. Sometimes thought provoking, sometimes funny, Radio 4 makes some of the best radio in the world.

Improving pronunciation

Use the sound recorder feature on a smartphone to help students improve their pronunciation. Give students a quote, short scene, or paragraph to read. As they read, they can record themselves pronouncing the words. Students can then play back their recordings and ask themselves the following questions: Am I happy with my pronunciation? What things did I say wrong? Could I have said any of the words better?

Listening to their own voices is a big help to students. This activity also gives them the opportunity to examine their own mistakes and correct them, an important step in becoming and independent and much more effective language learner.

Interview yourself

Have students download, dictate or make copies of the worksheet Interview and record yourself on your smart phone.

Get students to read through the questions and practise what they are going to say in their own heads. They can also add a few more questions at the end to make it more personal. Ask students to record their interview on their mobile phones. As students listen back to the recording have them think about these things:

Did you answer the questions completely?

Were you happy with the grammar you used?

Do you think you spoke too quickly or slowly?

What areas in your spoken English could you improve?

This is an especially good activity if students are getting ready for oral exams because it allows them to listen to their mistakes as well as get valuable exam practice.

Remembering Vocab

Some students find it a lot easier to remember words when they say them. Get students to use the sound recorder on their mobile phones to record vocab that they want to learn. You could even give them a list of words to record into their phones that you will test them on during the next class session.

Homework

Many of these activities work well as homework assignments. Make sure students follow up whatever they did by talking about it with their peers or even presenting what they did to the class.

Do you use audio in the classroom? If so, we'd love for you to share your strategies and ideas with us!

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by Chris Speck 12,767 views Want to spice up the lessons in your classroom? Try incorporating some audio. From listening to music and spoken word pieces to recording their own voices, their many ways to help students learn while using audio. So pull out the smartphones, plug in the headphones, and have students get to work.

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When you think about having a conversation in English, what is the first thing that comes to mind?

Is it using perfect grammar? Is it remembering just the right vocabulary? Is it pronouncing every word right?

While all of these are very important, it is even more important to be able to understand what is being said in general.

That is one reason why listening skills are one of the key skills to develop when you are learning English.

When you practice good listening skills, you are improving your pronunciation. You are enriching (adding to) your vocabulary. You are also perfecting your grammar knowledge.

Listening skills are worth your time and effort!

There are many ways to improve and develop your listening skills. You can use music, movies, TV shows and even videos, but audio tools can be especially versatile (flexible).

This post will give you some practical advice on how to use audio tools to learn English, no matter what your language level is.

The Advantages of Learning English with Audio

So why audio? Why not videos or books? You definitely should not forget about all other tools available to you, but audio has some unique advantages:

Your eyes can take a break from screens. Using audio tools does not require that you look at a screen-like your cell phone screen or computer screen-for long periods of time, the way video exercises and films do. These days, we are surrounded by visuals, on our laptops, tablets and cell phones... so it is great to give your eyes a break! Just relax, close your eyes and listen.

Audio is easy to find in several formats. You can download audio files online and upload them to your phone or iPod. You could go shopping for an audiobook or buy a CD English learning course to play in your car. They also tend to be less expensive than movie downloads or Blu-ray discs.

No matter what kind of audio tool you are using, you need to make sure that it is appropriate for your level of English. If you are a beginner, you will have a lot of difficulty understanding the readings of Shakespeare or a documentary on international financial systems. You are likely to get discouraged and stop using this kind of audio quickly. Do not waste your time; start slow and build up on your listening skills.

Audio can be used in your spare time and when you travel. For example, if you commute (take public transit) to school or to work, you can definitely use both audio and video tools to improve English. But if you drive, then audio is the only way to learn, because you have to keep your eyes on the road!

It is also very important to have fun with audio. The readings of Shakespeare may be great practice for you as an advanced English speaker, but if you do not like poetry, you will probably not enjoy it that much. Choose an audiobook that you love or that interests you. Start on a new radio show. As long as you enjoy your learning, it will be beneficial to you.

Here's a more practical tip: choose comfortable headphones or earbuds for your audio English practice. There are two reasons for this: first, if you listen to audio in a public space, it is a considerate (polite) thing to do to respect other people and not force them to listen to your language lessons, too. Second, you may be listening (and wearing headphones) for long periods of time, so your head and ears should be comfortable while you do that!

Finally, audio can be very entertaining. Radio talks, radio shows and news are just the start. There are radio dramas and comedies, podcasts and audiobooks available to you. The options are endless!

Tips on Using Audio Tools

One great way to keep track of your English level is by learning with FluentU. FluentU takes real-world videos-like music videos, movie trailers, news and inspiring talks-and turns them into personalized language learning lessons. It's great for using alongside audio tools!

Below, you will find a lot of ideas on audio tools that you could choose based on your level of English.

Remember that while some audio tools are more appropriate for more advanced learners, you can always adapt the tool you like to your study plan by choosing less advanced topics and content. Read on!

"Complete English as a Foreign Language" by Teach Yourself. The Teach Yourself series offers excellent introductory courses for many languages, including English. This course focuses on fun and interactive exercises based on different topics, so you can quickly improve many areas of your English. There is a textbook that comes with the audio guide, but you do not have to have both to start learning.

Pimsleur English courses are different, because they consider your native language when teaching English to you. There is English for Spanish Speakers, English for Mandarin Speakers, English for French Speakers and many more course options. Because every language has its peculiarities (parts that are strange or different), Pimsleur focuses on the most common problems English learners from different countries face. Each course is audio only. And you can try a free English lesson on their website!

Audio Tools for Beginner English Learners

"English Pronunciation in Use: Elementary" is actually a textbook, but it comes with five CDs that you will be using the most. It is a great self-study course aimed at beginner learners who want to speak with a British accent.

"American Accent Training with 5 Audio CDs" is an audio and book course that will help you learn to speak with a proper American accent. Its complete focus is on pronunciation, including vowels, consonants and diphthongs (two vowels together that make one sound), so you are guaranteed to speak like an American once you finish it!

General English audio courses

"Dr. Seuss's ABC" is the children's favorite author presenting the letters and the sounds of the English alphabet. It is a great start for elementary English learners!

"Treasury of Nursery Rhymes" by Lucy Cousins is a collection of well-known nursery rhymes that come with a beautifully illustrated book. When your English improves, you should definitely keep this one for your bookshelf!

Audio courses you can find on CDs or online may be perfect for you if you are just starting to learn English.

In addition to giving you a good foundation in listening, you will also hear correct pronunciation (most likely with a British or American accent), grammar rules and vocabulary on certain topics. These audio courses are great for driving or listening to on public transit.

Pronunciation and vocabulary audio courses

Audio courses that focus on specific areas of interest are great for beginners, too. For example, if it is important to you to develop the perfect English accent, an audio course is the best way to do it. There are lots and lots of specialized courses available.

Children's audiobooks

These audiobooks are great for beginner English learners because of their simplicity and focus on easy vocabulary. You can start with the simplest books of nursery rhymes, fairy tales and even ABCs. These make for fun and easy audio exercises that you can listen to when you are tired or don't have much time to practice listening.

Audio Tools for Intermediate English Learners

When you move up to the intermediate level of English, your options for audio tools increase. Your vocabulary, understanding of grammar and listening skills themselves become better.

Nonetheless, the formal English courses described above may be very useful for you as well. You will find the courses targeting pronunciation and accent particularly valuable.

Audible, an app that is compatible with (works with) most Android devices, is dedicated to audiobooks (most paid, but some free).

Apple iBooks has a dedicated audiobooks section, with free and paid choices available as well.

Your local library may have audiobooks on CDs or available as online downloads for free. Be sure to check it out!

In addition, you should seek out podcasts and audiobooks!

Podcasts

The New York Times Best Sellers list will give you some ideas, if you would like to listen to popular fiction or the latest in book trends, especially in the USA.

All-Time 100 Novels is the list by Time of the best English-language novels since 1923. That may be subjective (not the same for everyone), of course, but it offers great suggestions for your next audiobook, especially if you would like to listen to an American classic.

Podcasts are daily, weekly or monthly audio programs that you can subscribe to, either for free or for a small fee, which you then download to your computer, phone or tablet. Podcasts cover so many different topics and come in so many forms, you are bound to find something that interests you! News, sports, analytical programs, interviews, pop culture-podcasts have it all.

Keep in mind that some podcasts may be above your English level. Choose those that are not only interesting, but that you can understand as well. Some good resources to find podcasts are:

"Wooden Overcoats" is a sitcom (situational comedy) set on a small island and following the director of a local funeral home and his new employee. Do not be put off by the subject, because the show is funny and clever! It is released in a podcast format and has won multiple comedy awards and nominations.

"Cabin Pressure" is one of the best comedies on BBC Radio 4 that follows the adventures of a small airline. There are only four characters (and one of them is voiced by Benedict Cumberbatch). The episodes are each 30 minutes long, so you can listen to one or several at a time.

One of the most popular podcast programs for English learners is EnglishClass101 by Innovative Language. It currently has over 1,400 video and audio lessons to teach you English, in the style of podcasts. These podcasts also come with interactive learning tools, so that you can practice your English with relevant activities. And you can sign up for free!

Audiobooks

When it comes to audiobooks, you can now listen to certain genres that tend to have intermediate-level-appropriate vocabulary and grammar, such as young adult and adventure fiction:

Audio Tools for Advanced English Learners

As an advanced speaker of English who wants to use audio tools to continue improving, you will be able to enjoy a wide variety of literature and programs available to native speakers. All of the suggestions above are great, including podcasts and audiobooks. Here are some more ideas that advanced learners can try.
Experience English immersion online!
Audiobooks

When it comes to audiobooks, you may enjoy listening to the readings of modern bestselling books, classical English literature and even non-fiction, if you want a challenge.

Radio comedies and dramas

The ultimate listening practice for advanced speakers are definitely radio comedies and dramas. BBC Radio is famous for producing high-quality ones.

These are just like your favorite TV shows with an interesting plot, engaging characters and witty (clever) dialogue, except they rely only on voices and sounds to tell the story. This is far from easy for an English learner to follow along with, so it will be a great test of your listening skills!

Using audio is the perfect way to improve your English listening skills and become better at understanding English speech, its patterns and even different English accents.

Depending on the audio tool you choose, you may learn new and exciting vocabulary, practice grammar and improve pronunciation, or just have fun and be entertained while you listen.

Keep in mind that patience is very important when you work with audio, because listening is not easy.

Your improvement will be gradual, but as long as you are having fun, you will soon see the results.

Happy listening!

If you liked this post, something tells me that you'll love FluentU, the best way to learn English with real-world videos.

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Learn English with Audio: Listening Practice for Every Language Level

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When you think about having a conversation in English, what is the first thing that comes to mind?Is it using perfect grammar? Is it remembering just the right vocabulary?

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Let's watch this!

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Definition of video: Visual multimedia source that combines a sequence of images to form a moving picture. The video transmits a signal to a screen and processes the order in which the screen captures should be shown. ...

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Using Video and Audio in Teaching (online and otherwise)

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This web site presents information about copyright law. The University Libraries make every effort to assure the accuracy of this information but do not offer it as counsel or legal advice. Consult an attorney for advice concerning your specific situation.

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Unless otherwise noted, all content on the Copyright Information section of this site is licensed under a Creative Commons Attribution-NonCommercial License. This web site presents information about copyright law. The University Libraries make every effort to assure the accuracy of this information but do not offer it as counsel or legal advice.

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It is generally accepted that the best learning takes place when the greatest number of senses are stimulated.The use of devices or audio-visual materials will stimulate the greatest number of senses. For this reason, good teachers have always used devices or audio-visual materials. A device is any means, other than the subject-matter to the learner.

A device is an incentive introduced into the method of teaching for the purpose of stimulating the pupil and developing understanding through experiencing. The basis for all learning is experience, and usually the most effective type of learning is gained by concrete, direct, first-hand experience.

Teachers are often unable to give pupils first-hand experiences and resort to the written and oral use of words. The experienced teacher, however, realizes that the use of words alone cannot and will not, provide vivid learning experience.

Good teachers are constantly on the alert for methods and devices that will make learning meaningful. With the wise selection and use of a variety of instructional devices or audio-visual materials, experiences can b; provided that will develop understanding.

In directing the learning of the pupils through normal activities, the teacher will find that visual or audio-visual materials are used very extensively, Since the seventeenth century, when Comenius produced the Orbis Pictus, the extent to which teachers have been turning to visual materials as instructional aids has been increasing.

Likewise, Rousseau" stressed the value of visual education in his book, Emile.

Object-teaching and object-lesson were also emphasized by Pestalozzi. Dr. Sheldon44 of the Oswega Normal School in Canada introduced the idea into the United States. The experience of the American Army during the last world war showed the educational importance of devices such as movies, film- strips, the radio, and other pictorial materials for educational purposes.

The Army contrived devices that served well to awaken interest. Our society today is blessed with modern trends of communication. Never before have teachers possessed materials which will allow their pupils or students so completely to relieve the past, visit foreign lands, hear speeches of the world's great men and women, or view planets of outer space.

These modern media are among the tools the modern teachers utilize in promoting growth and development of the pupils. The number of devices that maybe employed in teaching any subject will depend upon the nature of the subject-matter and the resourcefulness of the teacher.

Psychologists have long recognized the importance of concrete illustration in teaching. Devices whether visual or audio-visual materials, are valuable in the learning-teaching process because they stimulate interest and make possible the enrichment of the pupil's experience.

It is generally admitted by educators that some people are able to comprehend abstractly, while others are more dependent upon concrete materials as aids to thought. It has been generally recognized that the more brilliant the individual is, the greater is his power for abstract thought; the lower the mentality, the greater is the dependence upon visual imagery as a medium of thought.

Recent studies show that the average and dull pupils need the use of material devices more than the bright pupils. The modern pupil is literally surrounded with endless profusion of aids to his learning, such as workbooks, drill cards, graphs, pictures, maps, slides, film strips, motion pictures, radio and exhibits of all kinds.

Television also offers great possibilities for use in the classroom. This situation grows out of the demands of an enriched and diversified curriculum and of the urge to vitalize instruction by providing a broader background of experience for the pupils and means of adjusting learning to the differences in interest and aptitudes of children.
In brief, the use of visual and audio-visual devices maybe given as follows:
1. To challenge the attention of the pupils:

The teacher who uses devices can usually maintain the full attention of the class. This is generally true in the lower grades. Devices should never be used by the teacher as mere attractions. Exposure to visual or audio-visual material and nothing more is not educative.

2. To stimulate the imagination and develop the mental imagery of the pupils:

Devices stimulate the imagination, of the pupils. Mental imagery can be used as a vehicle of thought and as a means of clarifying ideas.

3. To facilitate the understanding of the pupils:

The most widely accepted use of devices, whether visual or audio-visual, is its use in aiding understanding. Learning can be sped up by using models, movies, filmstrips, and pictorial material to supplement textbooks. Material devices give significance and colour to the idea presented by the teacher. Abstract ideas can be made concrete in the minds of the pupils by the use of devices. Diagrams and graphs, for example, are very useful in developing understanding in social studies and in mathematics. The graph is a good device in representing mathematical facts.

4. To provide incentive for action:

The use of devices, such as pictures and objects, arouses emotion and incites the individual to action. The teacher must select the right kind of &vice to excite the pupils to worthwhile intellectual activity. Asking the pupils to collect pictures representing water, air, land transportation wilt stimulates them to action.

5. To develop the ability to listen:

The ability to listen can be developed best through the use of audio-visual materials. It is also the responsibility of the school, to provide training for our pupils to be good listeners. Training in the art of listening is one of the aims of audio-visual education.

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The Use of Audio-Visual Aids in Teaching (923 Words)

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ADVERTISEMENTS: The use of audio-visual aids in teaching! It is generally accepted that the best learning takes place when the greatest number of senses are stimulated.The use of devices or audio-visual materials will stimulate the greatest number of senses. For this reason, good teachers have always used devices or audio-visual materials.

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Computer dictionary definition for what audio means including related links, information, and terms.

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Audio is sound within the acoustic range available to humans. An audio frequency ( AF) is an electrical alternating current within the 20 to 20,000 hertz (cycles per second) range that can be used to produce acoustic sound. In computers, audio is the sound system that comes with or can be added to a computer. An audio card contains a special built-in processor and memory for processing audio files and sending them to speakers in the computer. An audio file is a record of captured sound that can be played back. Sound is a sequence of naturally analog signals that are converted to digital signals by the audio card, using a microchip called an analog-to-digital converter ( ADC). When sound is played, the digital signals are sent to the speakers where they are converted back to analog signals that generate varied sound.

Audio files are usually compressed for storage or faster transmission. Audio files can be sent in short stand-alone segments - for example, as files in the Wave file format. In order for users to receive sound in real-time for a multimedia effect, listening to music, or in order to take part in an audio or video conference, sound must be delivered as streaming sound. More advanced audio cards support wavetable, or precaptured tables of sound. The most popular audio file format today is MP3 (MPEG-1 Audio Layer-3).

Continue Reading About audio

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What is audio? - Definition from WhatIs.com

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Audio is sound within the acoustic range available to humans. An audio frequency ( AF) is an electrical alternating current within the 20 to 20,000 hertz (cycles per second) range that can be used to produce acoustic sound. In computers, audio is the sound system that comes with or can be added to a computer.