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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
This repository contains a new Android USB audio recorder application inspired by decompiled BatRecorder app analysis. The project focuses on 384kHz high-frequency USB audio recording and real-time visualization, specifically designed for ultrasonic and bat call recording applications.
app/src/main/java/com/example/usbaudio/src/main/res/src/main/cpp/release/tmp/BatRecorder/sources/resources/BatRecorder.apkMain Package: com.example.usbaudio
Key Components:
MainActivity.javaUsbAudioService.javaSpectrogramView.javaWaveformView.javaUsbIsochronousReader.javaCustom Views (Optimized for 384kHz):
SpectrogramView.javaWaveformView.javaNative Libraries:
Core native methods declared in MainActivity:
ReadFrameFromAudioBuffer()StartRecord()StopRecord()analyzeSpectrum()This is a new implementation inspired by reverse-engineering analysis, focused on:
Completed Features:
Pending Improvements:
Minimum Requirements:
Key Permissions:
android.permission.RECORD_AUDIOandroid.hardware.usb.hostUSB Device Handling:
USB_DEVICE_ATTACHEDSince this is decompiled code:
f8702XR0The codebase demonstrates advanced techniques for: