问题
I am working on a clap detection android app. i am using musicg api for this.
I imported the project from github and run on android device. then this error shows - DetectionAPI supports mono Wav only
the detail LogCat is-
DetectionAPI supports mono Wav only
java.lang.NullPointerException: Attempt to invoke virtual method 'int com.musicg.wave.WaveHeader.getBitsPerSample()' on a null object reference
at com.musicg.api.DetectionApi.isSpecificSound(DetectionApi.java:80)
at com.musicg.api.WhistleApi.isWhistle(WhistleApi.java:54)
at com.musicg.demo.android.DetectorThread.run(DetectorThread.java:106)
at java.lang.Thread.run(Thread.java:818)
Do anyone have any suggestion how to solve this ?
回答1:
supports mono Wav only
You should record as a wav file as api mentioned. I would recommend you to check musicg_android_demo sources.
来源：https://stackoverflow.com/questions/37925382/detectionapi-supports-mono-wav-only