This encoding type offers the best compromise between CPU usage and harddisk activity. Tip: Use Apple Lossless encoding for recording. When you are ready to start recording the podcast, click the Record button of the AA 03 SF16 - Mon. REC session to the audio device that your headphones are connected to. Set the output of the AA 03 SF16 - Mon.
(Alternatively, use an external recorder to record the headphone signal sent to the headphones output using the Soundflowerbed utility or Line-In. You could leave this session out if you used another program to record the final mix. Recording this session records the Podcast into one file. REC is the session that captures the audio from Soundflower (16ch) and sends it to your headphones for monitoring.
Audio hijack external microphone how to#
(Refer to the Audio Hijack Pro Manual on how to use this effect.) AA 03 SF16 - Mon. This effect has the advantage of offering a cross-fader that enables you to easily fade the sound that is being recorded between the rest of the mix and the application's audio. You can add this effect to the AA 02 SF2 -> SF16 session and Hijack an individual application's output with it.
An alternative for an individual hijack session is the Application Mixer effect. In a podcast you could use an effect to increase the gain on a clip you're playing or add a level meter to (visually) monitor it's levels. This can be used to add effects to audio coming from a specific application. Note that you can add more hijack sessions to the mix if you set their output to Soundflower (2ch). If you want to capture all audio played on the system for your recording, set the audio output in the System preferences to Soundflower (2ch). Set the output of the AA 02 SF2 -> SF16 session to Soundflower (16ch). Set the input of the AA 02 SF2 -> SF16 session to Soundflower (2ch). Session AA 02 SF2 -> SF16 routes the mix of audio from Soundflower (2ch) to the Soundflower (16ch) module. Set the output of the AA 01 Mic -> SF2 session to Soundflower (2ch). Set the input of the AA 01 Mic -> SF2 session to the audio device that your microphone is connected to. Any effect that you want to apply to the microphone signal can be added to the session's effects section. Hijack Session AA 01 Mic -> SF2 captures the microphone input and routes it to the Soundflower (2ch) module. Handy if you have more sessions defined.) Figure 4. (AA 0# in front of the session title is for sorting them together. See for example the sessions in Figure 4. Hijack sessions Three hijack sessions are required to make this setup work. Tips on how you can minimize the total latency are described in the paragraph "Reducing latency in the setup" below. In Figure 2, delay 1 - 4 indicates that there are 4 delays from microphone to headphone. (Click for PDF, 28 KB)ĭelays (latency) are added to the audio signal in each step of the process. Some details might have changed in the released version.įigure 2 shows the flow diagram of the setup with audio chat and extra effects chains. NOTE: Some of the advanced settings of Audio Hijack Pro described in this setup are only valid for Audio Hijack Pro version 2.5 or higher, which is currently still in Beta. This setup assumes that all audio is mixed to one (stereo or mono) audio track that is recorded in Audio Hijack Pro. (Click for PDF, 413 KB)Īudio Hijack Pro is extensively used in this setup to route audio, add effects and to record the final result.
Audio hijack external microphone software#
Diagram of an advanced software studio setup. Setup The diagram below shows the (software) elements of the setup.