Telephonic communications – Supervisory or control line signaling – Substation originated
Patent
1998-03-28
2000-10-24
Chan, Wing F.
Telephonic communications
Supervisory or control line signaling
Substation originated
37910207, H04M 100, H04M 1100
Patent
active
06137878&
ABSTRACT:
Speech messages as user feedback audio signals in electrical/electronic apparatus are more informative to users and better at holding their attention. However, in telecommunications equipment involving transmission of data or signals over a link that has finite capacity, speech messages as user feedback audio signals are considered undesirable due to their deleterious effect on transmission link capacity. In such equipment, user feedback audio signals normally comprise generic beeps consisting of single tones or a short series of discreet tones. The invention provides a method of providing plural signals as user feedback audio signals in telecommunications equipment where the total structure of the feedback signals encapsulates the underlying speech rhythms ie prosodic patterns of corresponding speech messages. In a digital system, the bit size of user feedback signals in accordance with the invention are no greater than those for the generic beeps presently employed.
REFERENCES:
patent: 4095050 (1978-06-01), Beachem et al.
patent: 4466801 (1984-08-01), Dittakavi et al.
patent: 5357596 (1994-10-01), Takebayashi et al.
Hodgson Philip
Vonder Haar Kim Marie
Chan Wing F.
Nortel Networks Limited
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