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METHOD AND APPARATUS FOR NORMALIZED AUDIO PLAYBACK OF MEDIA WITH AND WITHOUT EMBEDDED LOUDNESS METADATA ON NEW MEDIA DEVICES
METHOD AND APPARATUS FOR NORMALIZED AUDIO PLAYBACK OF MEDIA WITH AND WITHOUT EMBEDDED LOUDNESS METADATA ON NEW MEDIA DEVICES
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机译:在新媒体设备上使用带和不带嵌入的元数据对媒体进行标准化音频回放的方法和装置
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摘要
A decoder device for decoding a bitstream so as to produce therefrom an audio output signal, the bitstream having audio data and optionally loudness metadata containing a reference loudness value, wherein a gain control device has a reference loudness decoder configured to create a loudness value, wherein the loudness value is the reference loudness value in case that the reference loudness value is present in the bitstream; wherein the gain control device has a gain calculator configured to calculate a gain value based on the loudness value and based on a volume control value, which is provided by an external user interface allowing a user to control the volume control value, and a loudness processor configured to control the loudness of the audio output signal based on the gain value.
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