{"success":true,"textLength":35,"totalBytes":51296,"audioFormat":"WAV/PCM (sampleRate=8000, bits=16)","hasWavHeader":true,"dataOffset":44,"pcmDataLength":51252,"estimatedDurationMs":3203,"sampleRate":8000,"bitsPerSample":16,"firstSamples":[1,-3,-10,-1,0,-4,-3,-2,-2,-2],"isAllZeros":false,"frameCount320":160,"note":"✅ Format is correct for AudioSocket (slin16 8kHz)"}