CPC H03G 3/3089 (2013.01) | 21 Claims |
1. An audio signal processing apparatus comprising:
a receiver for receiving an input audio signal;
a processor for generating loudness metadata corresponding to the input audio signal; and
an outputter for transmitting the loudness metadata generated in the processor,
wherein the processor is configured to:
measure a loudness of the input audio signal to acquire loudness information of the input audio signal;
convert the loudness information to generate the loudness metadata; and
output the generated loudness metadata to an output device for outputting the input audio signal through the outputter, wherein the loudness information includes information representing a peak envelope for each frame of the input audio signal.
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