Loopback vs audio hijack9/26/2023 ![]() By default, all virtual devices in Loopback include a Pass-Thru block, and that’s all I needed. In Loopback, I simply added a New Virtual Device, and named it otter.ai. The idea is that any audio you send to that Pass-Thru device as the output, will then be able to go directly into one of these web-based tools. ![]() ![]() You can do some crazy advanced stuff with Loopback, but one of the simplest, and frankly most valuable things you can create is called a Pass-Thru device. Loopback allows you to create virtual audio devices. Here’s how the two apps combine to solve the problem at hand. I used two of their tools to accomplish my goal: Loopback and Audio Hijack. We need a way to pipe audio into this service as though it was a microphone.Įnter my heroes, the people at Rogue Amoeba. But in the problem we’re solving today, we want to play the audio recordings using something like QuickTime, and use that application as the input to otter.ai. For example, if you go to Skype or Zoom or a Google Hangout (or otter.ai) they expect you to select your physical microphone as the input source. The paid-for plan isn’t expensive at $10 month-to-month or $100/year and I’ve paid it before but I wondered if I had the tools to get the job done without it.Īny tool that accepts audio input will be looking for a physical hardware device in the form of a microphone. ![]() That’s pretty sweet but it only allows 3 imports per month on the free plan. The free version of otter.ai allows you to import audio files and have them transcribed automatically. A few people sent in written transcripts of their submissions but the vast majority were audio-only.īack in January I told you about a cool web-based transcription service called otter.ai and I wondered if I could use it to transcribe the audio recordings. You know that I’m committed to giving people the content the way they want it, so I really wanted to be able to provide the messages in these audio recordings to those who prefer to (or must) get their content by reading. Worth every dollar.Last week’s episode of the NosillaCast was pure joy for me because of the wonderful audio recordings sent in by so many NosillaCastaways. I was in a pinch to setup the livestream-a live show that was behind schedule-and was so grateful for the UX of Loopback and Audio Hijack to just work, and work perfectly. Personally, I have found Soundflower’s interface less-intuitive than Audio Hijack’s. Soundflower is powerful and has been around for a long time 1 and it’s definitely worth a try. Loopback and Audio Hijack Pro cost $130 bundled, so the first question might be to try Soundflower instead since it’s free. Mute the original camera audio on the other layer and start streaming.It should be receiving audio on both the L and R channels. Use Wirecast (or similar) to add the virtual audio device onto a new, active layer.Select the virtual audio device under Audio Device. Add a new Output Device directly to the right of the input device.Under the Advanced settings, choose Channel 1 for both the left and right channels. Select the Apogee One as the Input Device.Next, create a new Session in Audio Hijack Pro.First, create a new virtual audio interface in Loopback.Using a combination of Rogue Amoeba’s Loopback and Audio Hijack Pro the Apogee ONE’s omni mic can be re-routed to a new virtual audio device for Wirecast. Viewers of the stream would only hear audio coming out of the left channel. The only trouble was, since the Apogee ONE appears as a stereo input, the omni mic is only on the L channel and the R channel is blank. The latency was negligible, and so the stream was setup to use the camera’s video (via the Blackmagic Mini Recorder) and the Apogee’s audio. I connected it via USB and it was detected successfully in Wirecast. I had my Apogee ONE with me, and it has an excellent built-in omni condenser mic. It was a low-key, unlisted stream for family and friends, but I still wanted a find a way to improve the audio quality rather than using the camera’s built-in mic. Earlier this year, I was livestreaming a music concert where there was no access to the soundboard’s mic output.
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