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JA. A.. Verhave, and S. van Wijngaarden, "A Novel Procedure for Direct-Method Measurement of the Full-Matrix Speech Transmission Index," Paper 9904, (2017 October.). doi: JA. A.. Verhave, and S. van Wijngaarden, "A Novel Procedure for Direct-Method Measurement of the Full-Matrix Speech Transmission Index," Paper 9904, (2017 October.). doi:
Abstract: When measuring the Speech Transmission Index (STI), until now one had to choose between two alternatives: impulse-response based full STI measurements (indirect method), or measurements based on modulated STIPA signals (direct method). Limitations apply when using either method. A novel procedure is proposed to measure the full STI through the direct method. The procedure combines advantages of indirect full STI measurements and direct STIPA measurements, completing a full STI measurement in 65.52 seconds. Similar to STIPA, the test signal is simultaneously modulated with 2 modulation frequencies per octave band. However, a rotation scheme is applied that uses a different set of modulation frequencies during different stages of the measurement, ending up with a full matrix (7 octaves x 14 modulation frequencies).

@article{verhave2017a,
author={verhave, jan a. and van wijngaarden, sander},
journal={journal of the audio engineering society},
title={a novel procedure for direct-method measurement of the full-matrix speech transmission index},
year={2017},
volume={},
number={},
pages={},
doi={},
month={october},} @article{verhave2017a,
author={verhave, jan a. and van wijngaarden, sander},
journal={journal of the audio engineering society},
title={a novel procedure for direct-method measurement of the full-matrix speech transmission index},
year={2017},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={when measuring the speech transmission index (sti), until now one had to choose between two alternatives: impulse-response based full sti measurements (indirect method), or measurements based on modulated stipa signals (direct method). limitations apply when using either method. a novel procedure is proposed to measure the full sti through the direct method. the procedure combines advantages of indirect full sti measurements and direct stipa measurements, completing a full sti measurement in 65.52 seconds. similar to stipa, the test signal is simultaneously modulated with 2 modulation frequencies per octave band. however, a rotation scheme is applied that uses a different set of modulation frequencies during different stages of the measurement, ending up with a full matrix (7 octaves x 14 modulation frequencies).},}

TY - paper
TI - A Novel Procedure for Direct-Method Measurement of the Full-Matrix Speech Transmission Index
SP - EP -
AU - Verhave, Jan A.
AU - van Wijngaarden, Sander
PY - 2017
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2017 TY - paper
TI - A Novel Procedure for Direct-Method Measurement of the Full-Matrix Speech Transmission Index
SP - EP -
AU - Verhave, Jan A.
AU - van Wijngaarden, Sander
PY - 2017
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2017
AB - When measuring the Speech Transmission Index (STI), until now one had to choose between two alternatives: impulse-response based full STI measurements (indirect method), or measurements based on modulated STIPA signals (direct method). Limitations apply when using either method. A novel procedure is proposed to measure the full STI through the direct method. The procedure combines advantages of indirect full STI measurements and direct STIPA measurements, completing a full STI measurement in 65.52 seconds. Similar to STIPA, the test signal is simultaneously modulated with 2 modulation frequencies per octave band. However, a rotation scheme is applied that uses a different set of modulation frequencies during different stages of the measurement, ending up with a full matrix (7 octaves x 14 modulation frequencies).