1 General
2
Planning principles
3
Objectives for the mixed analogue/digital chain of 4-wire circuits
3.4 Attenuation/frequency distortion
3.5 Group delay distortions
3.6 Non-linear distortions
3.7 Noise (total distortion)
3.8 Impulse noise
3.9 Short-time interruptions, phase jitter, amplitude and phase
hits
3.10 Error performance
References
Annex A – Definitions
Appendix I – Influence of errors in digital 2048 kbit/s streams on the
noise in voice-frequency mixed circuits
I.1 Introduction
I.2 Noise power in a PCM voice-frequency circuit due to digital
errors
I.3 Conclusion
References (to Appendix I)
Appendix II – Calculation method of MOS equivalent to noise due to quantization
distortion
Appendix III – The effect of errors in 2048 kbit/s
digital streams on appearance of impulse noise in mixed voice-frequency
circuits