US 11,875,804 B2
Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systems
Jouni Paulus, Nuremberg (DE); Sascha Disch, Fuerth (DE); Harald Fuchs, Roettenbach (DE); Bernhard Grill, Lauf (DE); Oliver Hellmuth, Budenhof (DE); Adrian Murtaza, Craiova (RO); Falko Ridderbusch, Erlangen (DE); and Leon Terentiv, Erlangen (DE)
Assigned to Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Filed by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Munich (DE)
Filed on Jul. 12, 2022, as Appl. No. 17/812,109.
Application 17/812,109 is a continuation of application No. 16/883,852, filed on May 26, 2020, granted, now 11,423,914.
Application 16/883,852 is a continuation of application No. 15/912,010, filed on Mar. 5, 2018, granted, now 10,699,722, issued on Jun. 30, 2020.
Application 15/912,010 is a continuation of application No. 14/822,678, filed on Aug. 10, 2015, granted, now 9,947,325, issued on Apr. 17, 2018.
Application 14/822,678 is a continuation of application No. PCT/EP2014/075801, filed on Nov. 27, 2014.
Claims priority of application No. 13194664 (EP), filed on Nov. 27, 2013.
Prior Publication US 2022/0351736 A1, Nov. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 19/008 (2013.01); G10L 19/26 (2013.01); H03G 3/20 (2006.01)
CPC G10L 19/008 (2013.01) [G10L 19/265 (2013.01); H03G 3/20 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A decoder for generating an audio output signal comprising one or more audio output channels, wherein the decoder comprises:
a receiving interface for receiving an audio input signal comprising one or more audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated, and
a signal processor for generating the one or more audio output channels of the audio output signal,
wherein the receiving interface is configured to receive a downmix signal comprising one or more downmix channels as the audio input signal, wherein the one or more downmix channels comprise the audio object signals, and wherein the number of the one or more downmix channels is smaller than the number of the audio object signals,
wherein the receiving interface is configured to receive downmix information indicating how the audio object signals are mixed within the one or more downmix channels, wherein the receiving interface is configured to receive one or more further by-pass audio object signals, wherein the one or more further by-pass audio object signals are not mixed within the downmix signal,
wherein the receiving interface is configured to receive the loudness information indicating information on the loudness of the audio object signals which are mixed within the downmix signal and indicating information on the loudness of the one or more further by-pass audio object signals which are not mixed within the downmix signal,
wherein the signal processor is configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the downmix information, depending on the rendering information and depending on a loudness compensation, wherein the loudness compensation depends on the loudness of the audio object signals which are mixed within the downmix signal, and depends on the loudness of the one or more further by-pass audio object signals which are not mixed within the downmix signal.