vudat081299 / recordfastproject

Recorder super fast on iOS. Make sound data to train model. default extract .wav file.

RecordFastProject iOS

When use?

• For iOS developer reference purpose only. (learning how to make a recorder app, and config the output)
• This project help you record superfast by my custom and support text you will record show on screen with .csv file.
• Using to making data to train model.

Feature

• Record into .wav extension by default (custom output extension in source).
• Some specification are set for Audio format in this project (you can config output type as anything you want - add, remove, fix value of any specification for a Audio format in source):

• AVFormatIDKey: Int(kAudioFormatLinearPCM)
• AVSampleRateKey: 16000
• AVNumberOfChannelsKey: 1
• AVEncoderAudioQualityKey: AVAudioQuality.max.rawValue
• AVLinearPCMBitDepthKey: 32

• Record with low latency.
• Show text to read. Change content in .csv file.
• Auto increment name output file.
• Just for fast record so cannot play recorded file, access the file manager on iphone to play your record.

How fast?

• Tested record and save 10 .wav file with 12-15 word per file in just 1 minute.
• No crash, low latency.

Prerequisite

• A iOS developer to understand and custom this.

How to build?

1. Clone project and open.
2. Switch to your account development in xcode.
3. Add content to record in csv file.
4. Build and run.

Where output saved?

• Output is saved in document folder of this app in file manager on iPhone.

How to take data?

• Method 1: Connect to a MacOS PC.
• Method 2: Access file manager on iPhone and upload to anywhere you want.

Config output quality

• This project record and extract .wav file.
• Depend on your required output, config quality or type of output in code. You control your output, remmember that!