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Rotary phone: Microphone software

Rotary phone: Microphone software - Raspberry Pi教程

课程: Raspberry Pi Weekly

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Rotary phone: Microphone software

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- I found an old rotary phone. It's delightfully mechanical, with a dial bell and handset. I couldn't resist opening it up, and once inside, couldn't resist adding a Raspberry Pi. In previous episodes, we connected the Raspberry Pi to switches, the speaker, and a ringer. I've already discussed how to connect sound hardware to the Raspberry Pi. This week, let's look at software to record sound. Hi, I'm Mark Niemann-Ross, and welcome to this week's edition of Raspberry Pi Weekly. Every week, we explore the Raspberry Pi and share useful tips. The Raspberry Pi uses a set of software tools called ALSA, the Advanced Linux Sound Architecture, for sound input and output. If you search the internet for Raspberry Pi sound support, you'll find many references to aplay and arecord and alsamixer. These are command line tools, versus more graphic tools. Fortunately, there are graphic tools available. Let's start with a program called…

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