Audio data processing apparatus, terminal, and method of audio data processing
AssigneeKabushiki Kaisha Toshiba
InventorsHirokazu Takeuchi, Masataka Osada
Life of this patent
Estimating the term…
Abstract
According to an aspect of the invention, there is provided an audio data processing apparatus including: a decoding unit configured to extract an encoding parameter from encoded audio data by decoding the encoded audio data; an acquisition unit configured to acquire a background noise signal; a correction gain calculating unit configured to calculate a correction gain for correcting frequency characteristics of the audio data by using the encoding parameter and the background noise signal; and a frequency characteristics correcting unit configured to correct the frequency characteristics of the audio data based on the correction gain.
Claims13
An Audio data processing apparatus comprising:
- a decoding unit configured to extract an encoding parameter from encoded audio data by decoding the encoded audio data;
- an acquisition unit configured to acquire a background noise signal;
- a correction gain calculating unit configured to calculate a correction gain for correcting frequency characteristics of the audio data by using the encoding parameter and the background noise signal;
- and
- a frequency characteristics correcting unit configured to correct the frequency characteristics of the audio data based on the correction gain.
A terminal comprising:
- a decoding unit configured to extract an encoding parameter from encoded audio data by decoding the encoded audio data;
- an acquisition unit configured to acquire a background noise signal;
- a correction gain calculating unit configured to calculate a correction gain for correcting frequency characteristics of the audio data by using the encoding parameter and the background noise signal;
- a frequency characteristics correcting unit configured to correct the frequency characteristics of the audio data based on the correction gain;
- a digital-analog converting unit configured to generate an audio signal by subjecting the audio data including the corrected frequency characteristics to digital-analog conversion;
- and
- an outputting unit configured to output the audio signal.
A method of Audio data processing comprising:
- extracting an encoding parameter from encoded audio data by decoding the encoded audio data;
- acquiring a background noise signal;
- calculating a correction gain for correcting frequency characteristics of the audio data by using the encoding parameter and the background noise signal;
- and
- correcting the frequency characteristics of the audio data based on the correction gain.
A computer program product for enabling a computer to perform audio data processing, comprising:
- a decoding unit configured to extract an encoding parameter from encoded audio data by decoding the encoded audio data;
- an acquisition unit configured to acquire a background noise signal;
- a correction gain calculating unit configured to calculate a correction gain for correcting frequency characteristics of the audio data by using the encoding parameter and the background noise signal;
- and
- a frequency characteristics correcting unit configured to correct the frequency characteristics of the audio data based on the correction gain.
Dependencies are inferred from the claim text.