For instance, like Karaoke. In case of synchronized recording and playing audio. It is possible to realized by using AVAudioEngine. All source code is here. By using mixer node, you can add more inputs. Customize it yourself. Enjoy. Check it out.
March 10, 2017 iOS
New iOS Application vTXT has been released. It enables you to transcript from Speech. Maximum time to transcript is available 120 minutes at one time. Speech is recording in simultaneously at MP3 audio and can playback after transcripts done.
To solve this issue, spent over one week. AVAudioEngine inputNode(Mic) sampling rate is fixed at 44100 Hz. But I wanted to get the 16000 Hz PCM data. Code is simple. I used AVAudioConverter in installtap. Code is here.
When AVAudioEngine Reverb.bypass set to the false, Audio-signal has been muted. Why? This is one of the alternative code. Part of reverb on/off Sample code is here
Easy to create if you use Static Cell. Also It can include UISwitch and UISegmentedControl and so on. This is sample for memorandum.
I’m doing feasibility study for iPad application these day. Before to do so, changed my environment to the Xcode 8 with Swift 3.0.