The New Bela Mini, Low-Latency Audio in a Smaller Package

The original Bela board, a Beaglebone cape intended for low-latency audio, started life as a Kickstarter back near the start of 2016. With stereo audio, and both analog and digital I/O, along with dedicated hardware to providing real-time audio processing with 1ms latency, the Bela has since been used to build musical instruments, standalone synthesizers, and sound installations.

At the tail end of last week, the next Bela board was introduced: the Bela Mini.

The Bela Mini. (📷: Bela)

The Bela Mini is only a third of the size of the original Bela board, intended to be used alongside the new PocketBeagle. The PocketBeagle debuted late last year and wouldn’t have been possible before the arrival of the Octavo Systems OSD3358 system-on-package — better known to makers as “the BeagleBone on a chip”—and was everything you’d expect from a BeagleBone, but just that much smaller.

Introducing Bela Mini. (📹: Bela Platform)

Bela Mini keeps the most popular features of the original Bela including 8×16-bit analog inputs (up to 44.1kHz for 4 inputs or 22.05kHz for 8 inputs), 16×digital I/Os, and stereo audio in/out (16 bit, 44.1kHz) with integrated headphone amplifier. It also maintains compatibility with perhaps the most interesting feature of the original Bela, the onboard browser-based IDE including an oscilloscope, spectrum analyzer, and an interactive pin diagram to help you visualize and debug your sensor and audio data in real-time.

The original Bela cost £70 (about $100) including worldwide shipping, while the new Bela Mini has a price tag of £55 (about $75) including shipping and is now available for pre-orders. The board is expected to ship in May 2018.

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Scientist, Author, Hacker, Maker, and Journalist.

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