iTunes Echo Effect


The iTunes app store offers several apps that create an echo effect, the impression that sound from your iPod, iPhone or other device is echoing back from something. This can be an amusement, but it can also enhance music, giving it more of a live-concert feel. Some apps may not be compatible with your platform, however.


  • The Echo Effect app allows you to record your music or yourself to your iPod and play it back with an echo, or do the same with commercial music on your iPod. The controls allow you to set the echo volume and whether the echo should sound close or distant. Another iTunes app, Echochops, sets your iPhone to play back words you say into it, but with a few seconds delay. Instead of playing back from your iPhones, you can hook it up to a speaker for a karaoke effect.


  • When you play music or generate any sound, some of it bounces back from solid objects around you. These reflections create a sense of acoustic space which sound engineers refer to as reverberation, or reverb. Echo effects, as a form of artificial reverb, can create a sense of acoustic space around the music playing on your iPod or iPhone, making it sound more like a live performance. Commercial studios usually use artificial reverb to enhance the acoustic feel of recorded music.


  • To download an echo-effect app, you need iTunes installed to open a link, and an account in Apple's iTunes store. Some apps, such as the sound-mixing app djay, come with a price tag, but others, such as Echo Effect, are free. If you use an iPhone or an iPod Touch, visit the store online and download the app directly to your mobile device. The store includes user ratings and operating system requirements.


  • Before you download an app, read its requirements on iTunes to make sure it's compatible with your system. Echo Effect works on the iPod Touch, iPad and iPhone, but only if the operating system is iOS3 or one more recent, while djay requires a Mac running at least the 10.5 operating system. Also check the file size of the app to see if you have the space on whichever platform you plan to use it on.

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