iOS
How to record simultaneously microphone and player with AVAudioEngine, Swift 3.0
March 13, 2017 iOSPrototypingSwift
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.
New: Speech To Text – vTXT – iOS Application
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.
iOS10: PCM Down sampling
February 26, 2017 iOSSwiftXcode
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.
AVAudioEngine Reverb On/Off
November 3, 2016 DevelopmentiOSSwift
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
Use case of the Static Cell with Swift 3.0
October 20, 2016 DevelopmentiOSPrototypingSwiftXcode
Easy to create if you use Static Cell. Also It can include UISwitch and UISegmentedControl and so on. This is sample for memorandum.
CoreData with Swift3.0
September 21, 2016 DevelopmentiOSPrototypingSwiftXcode
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.