/* final mix to audio stream */
    {
        int i;
        signed short *streamPointer = soundStream;

        for (i = 0; i < numSamples; i++)
        {
            const int delayOffset = wrap(delayPosition - delayLength);

            float mixL = masterBufferL[i];
            float mixR = masterBufferR[i];

            float delayedL = delayBufferL[delayOffset];
            float delayedR = delayBufferR[delayOffset];

            signed int finalL = ((mixL + delayedL) * s3m_mixMasterVol);
            signed int finalR = ((mixR + delayedR) * s3m_mixMasterVol);

            signed short outL = s3m_s32Clamp(finalL, -32768, 32767);
            signed short outR = s3m_s32Clamp(finalR, -32768, 32767);

            *streamPointer++ = outL;
            *streamPointer++ = outR;

            delayPosition = wrap(delayPosition + 1);

            /* for visualization */
            {
                float tempVolL = fabsf(outL) / (32768.0f + 16384.0f);
                float tempVolR = fabsf(outR) / (32768.0f + 16384.0f);

                if (currentLVol < tempVolL)
                    currentLVol = tempVolL;

                if (currentRVol < tempVolR)
                    currentRVol = tempVolR;
            }
        }
    }