Chapter 12. Podcasting Your Own Show

Podcasting Your Own Show
  • Preparing a podcast

  • Recording a podcast

  • Editing an audio file

  • Publishing a podcast

If you haven't been hiding in a cave on Mars, you've probably already heard the term podcasting. It's one of the hotter Internet buzzwords of recent years, and many people have scrambled like mad to incorporate podcasts onto Web sites.

The techie explanation is that a podcast is any audio file stored on the Internet that can be downloaded and played later on either a computer or a portable device. In real terms, a podcast is a radio show that you can take anywhere on a portable device, such as an iPod, or play on any computer that's connected to the Internet. Podcasts are better than radio programs because you can start, stop, and rewind whenever you want. You can play them any time, anywhere. Podcasts enable you to connect with your site visitors or community through music or talk or both, enriching the experience or content your site has to offer. You find examples of how sites put podcasting to use in the nearby sidebar "Who's podcasting?"

A good podcast can consist of a live interview that's available to listeners for as long as a Web site hosts it, a lecture by a Nobel prize-winning professor that students can use to help them study, or the wail of a newborn infant taking her first breaths. A podcast can be a long-winded blogger's rant that will be heard only by a close circle of fans, or a stirring national address that will be cherished by an entire nation.

Podcasting is limited only by your imagination. As with so many other topics, a library of books could be filled with the bottomless depths of technical specifications that can be involved in recording, editing, and posting a podcast. Fortunately, you don't need to know all that to get started. In this chapter, you find the most basic, cost-effective way to produce a professional-quality podcast, using free and easily available tools and programs.

Preparing a Podcast

Be sure to take the time before you record your podcast to plan what you want to say and how you want to say it. Even trained on-air personalities rarely try to make live, improvisational recordings. After a few minutes, an interviewer who doesn't have at least an outline or some good questions for a guest runs out of things to say, and the session can turn into a nightmare of "um" and "uh."

You don't have to strictly follow a script, however, and stick to every little comma and pause. One thing that makes listeners respond and come back for more is the feeling that you're talking to them rather than at them (like a late-night infomercial). And, one of the most difficult challenges I can imagine is to make yourself sound natural and relaxed while giving a monologue.

A good place to start as you plan a podcast is to think about creating a distinct beginning, middle, and end. A good show usually starts with some kind of introduction of the host and any guests, moves on to the main topic, and then concludes with a tease to the next show you plan to produce. This outline for a music podcast gives you some ideas for what you might include — make your outline as detailed as you like:

  1. Play an introductory music clip.

  2. Greet the audience, introduce yourself, and state the number or date of the podcast.

  3. Briefly explain the theme or topic of the podcast.

  4. Mention any guests or special announcements.

  5. Play new songs.

  6. Provide any necessary additional explanation of the theme or topic.

  7. Play more new songs.

  8. Sum up the theme or topic.

  9. Say goodbye, and "tease" the topic of the next podcast.

Tip

Although a podcast can theoretically last for hours, in practice, large audio files become unwieldy very quickly. Listener patience isn't infinite, either, so unless you have an absolutely fanatical audience, limit your podcasts to a half-hour or less. Some of my favorite podcasts are only two to five minutes long, and they're designed so that you can listen to as many in a row as you like. If you have a ton of material, breaking it up into smaller chunks is definitely the way to go.

Recording a Podcast

Recording an audio file can be as simple as speaking into the microphone on a computer headset or as complicated as setting up a dozen high-end microphones and a mixing board to get clean sound from every instrument in a chamber orchestra. Either way, the basic principles I cover in this chapter are the same.

Many audio professionals believe that the most important link in the chain is this first one: that using a bad or inappropriate microphone taints the audio from the get-go. The old computer industry axiom "Garbage in, garbage out" applies here as well. The good news is that quality microphones are more affordable than ever, and a microphone that costs less than $100 online or in a basic electronics store fulfills all but the most demanding needs. The bottom line: You can use your computer's built-in microphone, but a good external mic provides better sound quality.

A simple option is to record directly into your computer, which is easy enough because most newer computers sport a microphone port. (It's usually red or pink and located next to the green port where you plug in headphones.) An even simpler option is to use a USB microphone. Although USB microphones aren't ideal for recording music, they are a snap to use and configure, and often come integrated into headphones, making it easy to record while also monitoring sound. Whatever you choose, just plug in a mic and then follow these steps to start recording.

  1. Launch a sound-recording program, such as Audacity, as shown here. You find a list of some of the more popular software choices in the sidebar at the end of this step list. I chose Audacity for this chapter because it has enough features to empower beginners to produce decent-sounding podcasts, it works on both Macintosh and Windows computers, and it's free. (You can download it at http://audacity.sourceforge.net and use it to follow along with this task. If your copy of Audacity is a different version, you might see minor screen differences.)

    Stuff You Need to Know

    Warning

    Before you begin recording, make sure that neither the computer nor the microphone is muted. This advice sounds simple, but even seasoned professionals can tell stories about apparently recording beautiful sounds, only to find (too late!) that their files contained silence.

  2. Don't be overwhelmed by the mass of buttons, bars, menus, icons, and level meters that make up this program. In the upper-left area of the workspace, under the menu bar, are some familiar buttons: left to right, you've got Skip to Start, Play, Record, Pause, Stop, and Fast Skip to End. If your microphone is ready to record, just click the red Record button (the one with the big red circle) and say something into the microphone. (Sing a song, recite a poem, or act like you're creating your first radio show!)

    Stuff You Need to Know
  3. As you record, you see the sound represented as a spectrum across an audio track. Notice the two volume meters in the top-right corner of the workspace: The one on the left (the little speaker icon) shows the playback volume; the one on the right (the microphone icon) shows the volume of the microphone you're using to record. Under the volume controls, the drop-down menu enables you to pick from a list of sources, including microphone, line-in, aux(iliary), CD player, or stereo mix. Click the Stop button to stop recording, or click the Pause button to pause. (Be aware that Audacity will automatically rearrange the position of the various buttons and control panels, depending on how you size the window. So if your screen shows the buttons in one row, two rows or whatever, click and drag on the handle in the lower right corner of the screen to make your window match the screenshots here.)

    Stuff You Need to Know

    Tip

    Many beginners erroneously assume that louder is better when recording. Like a teenager with a new car stereo, they want to crank the noise to 11 on a scale of 10. If you record with the volume set to its highest level, you get distortion — or worse, listeners unsubscribing from your podcast feed.

  4. When you're done recording, click the Stop button. Then click the Play button to play back what you recorded. Use the volume controls to adjust the playback sound. Remember: Make sure you click the Stop button and not just the Pause button. With the recording set to Pause, you won't be able to play it back or to save it.

    Stuff You Need to Know
  5. To save the recording, choose File

    Stuff You Need to Know
    Stuff You Need to Know
  6. When you're ready to publish your recording to the Web, use Audacity's export features. To export an Audacity file, choose File and then choose from any of the export options: WAV, MP3, or Ogg Vorbis. If you plan to publish your recording on the Web, your best option is MP3. Choose File

    Stuff You Need to Know
    Stuff You Need to Know

Tip

If you're prompted to install the file lame_enc.dll to complete MP3 encoding, just return to the http://audacity.sourceforge.net site and search for "lame_enc.dll" to find the necessary file and simple instructions for downloading and selecting it in Audacity.

Editing a Recording

In this task, you perform basic sound editing to clean up a recording. You don't have to use editing tools. In fact, some podcasters wear their rough-and-scratchy recordings as badges of honor as proof that they're part of an insurgent media that rejects (what they perceive as) smooth, polished, and fake corporate style. If this is your ethos, then by all means, don't edit your sound files.

Most people, however, prefer to listen to recordings that don't sound like they were made in a gravel-sorting machine. And, if you ever venture into the field to do interviews or record your child's solo in the school play, you'll probably need to fix the volume or noise level or the big, scratchy thud of Aunt Edna's elbow knocking the microphone off the table.

Here are some basic sound-editing tips to help you reduce noise in your recordings, cut and paste segments, and normalize your recordings (make the too-soft parts louder and the too-loud parts softer). I encourage you to explore beyond these simple steps.

  1. If your sound-recording program (such as Audacity, shown here) isn't open already, launch it and then create a recording or open an existing one.

    Stuff You Need to Know

    Tip

    Most audio programs have tutorials and Help files to explain what all the arcane jargon means (although if you can explain to me under which circumstances I would want to use a Hilbert transformer rather than a Dyson compressor and a transient mangler, I'm all ears).

  2. To listen to the entire recording, click the Play button at the top of the workspace. You should hear your voice (or whatever you just recorded) playing back. Notice that every time you hear noise in the recording, you see a corresponding spike on the graph in the Audio track.

    Stuff You Need to Know
  3. To listen to a portion of the recording, click anywhere on the recording in the audio track area, and you will see a vertical dotted line appear across that portion of the recording. Click the Play button; the recording will start from the location of your marker on the track.

    Stuff You Need to Know
  4. You can rearrange or delete sections of sound to make a better or shorter recording. Each of the following steps begins with selecting part of the sound file. Look in the small toolbox at the top of the workspace. (The toolbox has six tools, including Zoom and Time Shift.) Click the Selection Tool (which looks like an I-beam) to make it active before the next step.

    Stuff You Need to Know
  5. To delete a noise (such as a sneeze), click and drag to select that section, and then press the Delete key. Or you can choose Edit

    Stuff You Need to Know
    Stuff You Need to Know
  6. To cut or copy a section of sound, click and drag to select the section in the audio track, and then choose Edit

    Stuff You Need to Know
    Stuff You Need to Know
  7. To move the cut or copied sound to another part of the recording, click to place the cursor where you want to add the sound in the audio track, and then choose Edit

    Stuff You Need to Know
    Stuff You Need to Know
  8. To hear the results of your editing, click to place the cursor where you want to begin playback, and then click the Play button.

    Stuff You Need to Know

    Tip

    To listen to only a particular section of the recording, click and drag to select the section and then click Play. You can then adjust the selection in the recording until you have just the part you want to cut, copy, or delete.

  9. Audacity includes many effects to improve or alter your sound recordings. To apply an effect, you must first select the part of the recording you want to apply it to. Click and drag to select a portion of the recording, or choose Edit

    Stuff You Need to Know
    Stuff You Need to Know
  10. One of the more commonly used options on the Effect menu is Normalize. When you normalize a recording, you balance out the highs and lows, to make the overall volume more consistent. To apply the Normalize effect, select the part of the recording you want to apply it to and then choose Effect

    Stuff You Need to Know
    Stuff You Need to Know
  11. In the Normalize dialog box, mark both check boxes for default normalization. Click Preview to test how the effect will alter the sound of your recording. If you're happy with the result, click OK to apply the effect.

    Stuff You Need to Know
  12. Experiment with the effects, and remember that you can apply them to any selected part or all of the recording. Click Play to test your work, and if you don't like the results of an effect, just choose Edit

    Stuff You Need to Know
    Stuff You Need to Know
  13. When you're done, choose File

    Stuff You Need to Know

Publishing a Podcast

How you publish your podcast depends mostly on where you plan to publish it.

In the early days of podcasting, sites offering to host your files for free were springing up all over. Unfortunately, some of the sites were used to facilitate music piracy. Multimillion-dollar lawsuits filed by the recording industry have caused many sites that hosted podcasts to drastically restrict their offerings, or go completely out of business. Gcast (www.gcast.com) is an intriguing site that's still standing, offering not only free hosting for your podcast but also integrated access to podcast-safe music (that is, music you can use without getting into copyright trouble) at its sister site, www.garageband.com.

If you have a blog on one of the popular blogging sites, such as TypePad or Blogger, you find instructions and features designed to help you add a podcast almost as easily as you add a post.

Find out more about creating and publishing podcasts at these online services and other resources:

  • Apple iTunes: (www.itunes.com) One of the most popular podcasting sites on the Web, iTunes makes it easy to download and play podcasts from a broad range of sources. And, you can use iTunes with a PC; you don't have to use a Macintosh or an iPod.

  • The Podcast Network: (www.thepodcastnetwork.com) This site features an international collection of podcasters, useful tutorials, and helpful tips and tricks about podcasting. However, they are asking their audience to contribute $20 per month just to listen to podcasts, and require that you already have an audience of at least 500+ listeners before they will consider hosting your podcast.

  • Podcasting Tools: (www.podcasting-tools.com) Filled with tutorials and links to audio, editing, and other types of tools, you can find many excellent resources on this site.

  • Podcast Alley: (www.podcastalley.com) Find a wide variety of podcasts, podcast software, and instructions for creating and publishing podcasts at Podcast Alley.

  • SolidCasts: (www.solidcasts.com) Here you can find free hosting for your podcasts although only about 100MB of space. Because even a low-quality, half-hour podcast can run about 15MB, this is a good place to start, but if you're serious about podcasting, you will quickly either run out of room or have to start shelling out money to upgrade to more storage space and bandwidth.

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