Data processing: speech signal processing – linguistics – language – Audio signal bandwidth compression or expansion – Delay line
Patent
1998-08-05
2000-07-25
Dorvil, Richemond
Data processing: speech signal processing, linguistics, language
Audio signal bandwidth compression or expansion
Delay line
704503, G10L 2104
Patent
active
060946385
ABSTRACT:
An audio signal processing apparatus performs digital-to-analog conversion to convert at least a first audio data signal having a first sampling frequency and a second audio data signal having a second sampling frequency which is different from the first sampling frequency into corresponding analog audio signals, respectively. The audio signal processing apparatus is provided with: a frequency converting device for converting the second sampling frequency of the second audio data signal into the same sampling frequency as the first sampling frequency; a digital-to-analog converting device for performing digital-to-analog conversion to convert the first audio data signal having the first sampling frequency and the second audio data signal having the converted second sampling frequency which is the same as the first sampling frequency into the analog audio signals, respectively.
REFERENCES:
patent: 5530750 (1996-06-01), Akagiri
patent: 5740144 (1998-04-01), Kimura et al.
patent: 5844513 (1998-12-01), Nishio
patent: 5999511 (1999-12-01), Jeon
Ema Shozo
Hasegawa Yoshinori
Inotani Hirokazu
Ishii Hidehiro
Sawabe Takao
Dorvil Richemond
Pioneer Electronic Corporation
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