Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
A technology of audio signal and audio spectrum, used in pitch control, digital/coded signal combination control, speech analysis, etc.
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[0082] Figures 1 to 4 is a functional block diagram illustrating examples of possible feedforward, feedback, and hybrid feedforward / feedback implementations of both versions in accordance with aspects of the invention.
[0083] refer to figure 1 In the example of a feed-forward topology, the audio signal is applied to two paths: (1) the signal path with a process or device 2 (“modified audio signal”) capable of modifying the audio signal in response to a modification parameter, and (2) the signal path with Control path of a process or device 4 capable of generating correction parameters ("generating correction parameters"). figure 1 The sum in the feed-forward topology example Figure 2-4 The modified audio signal 2 in each of the examples may be a device or process that generates a modified parameter 4 according to (or respectively from Figure 2-4 The modification parameter M received by the corresponding process or device 4', 4" and 4"') in each of the examples modifi...
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