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chumbyhackerboard:audio [2010/08/30 18:13] ladyada |
chumbyhackerboard:audio [2016/01/28 18:05] (current) |
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+ | ====== Moved! ====== | ||
- | ====== Playing local MP3s ====== | + | This tutorial has moved to [[http://learn.adafruit.com/chumby-hacker-board/audio|http://learn.adafruit.com/chumby-hacker-board/audio]] |
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- | You can play MP3's off of your USB key or if you've copied any to the **/mnt/storage** space with **btplay --start-daemon file.mp3** | + | |
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- | {{:chumbyhackerboard:btplay.gif|}} | + | |
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- | MP3's will play in the background. To kill **btplay** run **killall btplay** | + | |
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- | Audio will play through the headphone jack at max volume, just plug in your favorite headphones! | + | |
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- | ====== Playing remote MP3s! ====== | + | |
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- | You can also stream music with **btplay**, just stick a URL in there! | + | |
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- | {{:chumbyhackerboard:soma.gif|}} | + | |
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- | Just as before, just plug into the headphone jack to verify its working | + | |
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- | ====== Splitting out the A/V ====== | + | |
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- | The headphone jack is not actually just audio - its actually Audio and Video. That means that you if you just plug headphones you'll notice some buzzing - thats you listening to the video! Now if you're in a Cronenberg film this is probably OK but for most of us its very annoying! There are two solutions. One is to split out the 3 signals into RCA jacks (with a camcorder cable) | + | |
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- | {{http://www.adafruit.com/images/medium/avcable_MED.jpg}} | + | |
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- | and then recombining with an RCA Y cable (such as [[http://www.sweetwater.com/store/detail/YRA154/|a Y female-RCA to male 3.5mm]] or [[http://www.sweetwater.com/store/detail/CMR206/|this]] | + | |
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- | **Note** our A/V cables split out the signals as such - **Red** is Video, White and Yellow are stereo line-level audio | + | |
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- | ====== Using the Mixer ====== | + | |
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- | If you want to change the volume of the headphones, you'll need to run the audio mixer software **amixer** | + | |
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- | {{:chumbyhackerboard:amixer.gif|}} | + |