Controlling the audio settings of a set-top box

Abstract

A decoder box (1) comprising: a parameterization module (11) arranged to define a genre of the input stream, which is associated with audio parameters; a configuration module (10) arranged to dynamically adapt, using the audio parameters, a setting of an audio playback device so as to optimize the sound rendering of said audio playback device according to the genre of the input stream; a control module (12) arranged to detect the occurrence of a current event from among a set of predefined events, relating to the transmission of the input stream, and to control the parameterization module according to said current event so as to optimize the use of resources of the parameterization module (11) and therefore of the decoder box (1). FIGURE IN ABRIDGED DIAGRAM: Fig. 1

Claims

Demands

1. Decoder box (1), arranged to distribute an input stream (F) comprising an input audio signal, the decoder box comprising a processing unit (7) in which are implemented: - a parameterization module (11) arranged to perform in real time analyses (18) on at least one data source (14) relating to the input stream, so as to define a genre of the input stream, which is associated with audio parameters; - a configuration module (10), arranged to dynamically adapt, using the audio parameters, a setting of at least one audio playback device integrated in or connected to the decoder box and comprising at least one loudspeaker (4), so as to optimize a sound rendering of said audio playback device according to the genre of the input stream;- a control module (12), arranged to detect the occurrence of at least one current event (Ev) among a set of predefined events, relating to the broadcast of the input stream, and to control the parameterization module as a function of said current event in order to optimize the use of resources of the parameterization module (11) and therefore of the decoder box (1).

2. Decoder box according to claim 1, in which, to optimize the use of the resources of the parameterization module (11), the control module (12) is arranged to control a frequency of the analyses performed by the parameterization module.

3. Decoder box according to claim 2, wherein the parameterization module (11) is arranged to perform inferences of at least one classification model (30, 31, 32), and wherein the frequency of the analyses is a frequency of execution of said inferences.

4. Decoder box according to any one of the preceding claims, wherein, in order to optimize the use of the resources of the parameter module (11), the control module (12) is arranged to control a utilization rate of a processor (8) of the processing unit (7), in which the parameter module is implemented.

5. Decoder box according to any one of the preceding claims, wherein the predefined set of events comprises at least: - a first transition, from an active or activation state of the input stream, to an inactive or deactivation state, and / or - a second transition, from an inactive or deactivation state of the input stream, to an active or activation state, and / or - a third transition, from a first active state, in which the input stream contains a first broadcast program, to a second active state, in which the input stream contains a second broadcast program.

6. Decoder box according to claims 2 and 5, wherein the control module (12) is arranged to reduce the frequency of the analyses (18) performed by the parameterization module when the first transition occurs, and to increase said frequency when the second or third transition occurs.

7. Decoder box according to claim 6, wherein the control module (12) stops the scans (18) when the input stream goes into the inactive state.

8. Decoder box according to claims 4 and 5, wherein the control module is arranged to reduce a setpoint of the processor (9) utilization rate when the first transition occurs, and to increase said setpoint when the second or third transition occurs.

9. Decoder box according to claim 8, wherein the control module (12) assigns a zero value to said setpoint when the input flow passes into the inactive state.

10. Decoder box according to any one of the preceding claims, wherein the control module (12) is also arranged to control the parameterization module, so as to optimize the use of the resources of the parameterization module (11) and therefore of the decoder box (1), depending on a convergence or divergence of the analyses carried out by the parameterization module (11).

11. A set-top box according to any one of the preceding claims, wherein, to detect the occurrence of the current event, the control module (12) is arranged to monitor at least one information source (15), from a set of predefined information sources including a media session aggregator (15a) of a set-top box operating system, and / or a guide program electronics (15b), and / or an audio driver and / or a video driver (15c) of the decoder box (1).

12. Decoder box according to claim 11, wherein the control module (12) selects at least one information source (15), to detect the occurrence of the current event, according to a source of the input stream (F).

13. Control method, implemented in the control module (12) of the processing unit (7) of the decoder box (1) according to any one of the preceding claims, and comprising the steps of detecting the occurrence of at least one current event (Ev) among a set of predefined events, relating to the broadcasting of the input stream, and of controlling the parameterization module according to said current event so as to optimize the use of resources of the parameterization module (11) and therefore of the decoder box (1).

14. Computer program comprising instructions that cause the control module (12) of the processing unit (7) of the decoder box (1) according to any one of claims 1 to 12 to perform the steps of the control process according to claim 13.

15. Computer-readable recording medium on which the computer program according to claim 14 is recorded.

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