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Speech Level Measures

Speech Level Measures. Dr. Herman J.M. Steeneken. Speech level measurement. Requirements: Male female comparable Wide band and telephone band comparable Insensitive for pauses and silent periods Fixed relation with STI test signal levels. Relevant level measures.

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Speech Level Measures

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  1. Speech Level Measures Dr. Herman J.M. Steeneken

  2. Speech level measurement Requirements: • Male female comparable • Wide band and telephone band comparable • Insensitive for pauses and silent periods • Fixed relation with STI test signal levels

  3. Relevant level measures • Peak levels (overload indicator) • RMS level (root mean square, related to SNR) • Indicator deflections (not reliable)

  4. Mean speech spectra

  5. Level measurement

  6. Amplitude distribution direct sampling

  7. Amplitude distribution envelope sampling

  8. Relation between some speech levels Notice the level differences between speech utterances spoken with and without silent periods in between

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