audioPath method
Implementation
Future<String?> audioPath() async {
if (!(await File(_pcmPath).exists())) {
return null;
}
if (await File(_wavPath).exists()) {
return _wavPath;
}
// pcm to wav
await BetterIflytekHelper.pcmToWave(inputFile: _pcmPath, outputFile: _wavPath, numChannels: 1, sampleRate: 16000);
if (await File(_wavPath).exists()) {
return _wavPath;
}
return null;
}