TPS096: Multichannel Output and Input


Recording multichannel audio is the best way to take total control over your audio.

However, it can be difficult and/or pricey to achieve. Technically you can do multichannel with any mixer, even the cheapest ones. How many separate channels you’ll get is a different story.

On this episode I talk about how to use an analog mixer to output multichannel audio via Insert channels. Other topics include an update about the construction of my podcast studio, confirming that the 2i4 is indeed multichannel and a brief PSA about making sure your website is podcast ready.
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How to Setup a Mix Minus for Recording Skype

If you need to setup a mix-minus to record Skype for your podcast, this tutorial will show you the gear* you’ll need and how to connect it all together.

Below is a complete photo walkthrough of the mix-minus setup demonstrated in the video above.

The basic concept of a mix-minus is to input multiple sources of audio into an audio mixer (your microphone, sound cart, phone messages, Skype, etc.) then send that audio back out to Skype, minus (without) the Skype caller’s voice.

This setup is achieved by using an auxiliary output to selectively send certain audio out of the mixer. If you send all the audio that is in the mixer, back to Skype, then the person on the other side will hear a feedback loop of their own voice. So we need to exclude (minus) Skype’s audio (the person’s voice) from going back into Skype.

Depending on your mixer’s manufacture, the auxiliary output may be labeled Aux, FX or Mon Send. They’ll all work as auxiliary outputs in this setup.
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