The signals provided on the CD-ROM attached to this Annex are recorded at various locations by different parties who kindly provided the sequences. All sequences are stored as *.wave files, no calibration for the individual signals is provided. For signal
ITU-T P.501 ANNEX B-2004 history
2004ITU-T P.501 ANNEX B-2004 (Pre-Published) Speech Files and Noise Sequences Annex B: SERIES P: TELEPHONE TRANSMISSION QUALITY, TELEPHONE INSTALLATIONS, LOCAL LINE NETWORKS Objective measuring apparatus