sor -> postGain -> destination
        envGain.connect( compressor );
        compressor.connect( postGain );
        postGain.connect( audioContext.destination );

        // Small overall boost (~+1.2 dB)
        postGain.gain.setValueAtTime( 1.15, now );

        // Envelope: slightly higher peak, same shape
        envGain.gain.setValueAtTime( 0.0001, now );
        envGain.gain.linearRampToValueAtTime( 1.1, now + 0.015 ); // was 1.0
        envGain.gain.setValueAtTime( 1.1, now + 0.015 );
        envGa