CHAPTER 6
Audio Projects
THIS CHAPTER IS ALL ABOUT AUDIO—both input and output. Unlike other embedded devices, the BeagleBone does not have any built-in analog audio output; however, there is digital audio out through HDMI and USB for a sound card. The BeagleBone Black drives the audio output from an I2S interface on the AM3359, which sends data to an NXP TDA1998 for conversion to HDMI. Luckily for us, the I2S interface is featured in the pin headers, as detailed in Table 6-1.
TABLE 6-1 I2S Interface Pins
Project 23Internet Radio
Project 23 uses the Python language to stream Internet radio channels using the BeagleBone Black. This project ...
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