Faster channel change time system for ATSC 3.0

Patent metadata

Field	Value
Publication number	US-12389060-B2
Application number	US-202318463166-A
Country	US
Kind code	B2
Filing date	Sep 7, 2023
Priority date	Sep 7, 2023
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

Faster channel change time in ATSC such as ATSC 3.0 is effected by using the native tuner of a display device to present a currently demanded channel and a second tuner, which can be dongle-based, to tune/scan preemptively in the background based upon heuristics such as usage pattern of the user. If the user is pressing channel-up key using a remote control, the second tuner can be scanning and tuning the next channel in the channel map to preemptively tune to a second channel likely to be desired by the user for immediate presentation of that channel through the second tuner.

First claim

What is claimed is:

1. An apparatus, comprising:
at least one computer memory that is not a transitory signal and that comprises instructions executable by at least one processor assembly to:
present, using a first tuner, a first digital television (DTV) channel on at least one display device;
receive channel browsing signals (CBS) from at least one input device that cause a channel list to be browsed;
responsive to the CBS, cause a second tuner to tune to a second DTV channel;
responsive to a channel change command to the second DTV channel, switch to presenting the second DTV channel on the display device using the second tuner;
while the second DTV channel is presented on the display device using the second tuner, use the first tuner to also tune to the second DTV channel; and
responsive to the first tuner also tuning to the second DTV channel, switch to presenting the second DTV channel on the display device using the first tuner.

2. The apparatus of claim 1 , wherein the input device comprises a television remote control (RC).

3. The apparatus of claim 1 , wherein the display device comprises an Advanced Television Systems Committee (ATSC) 3 . 0 DTV.

4. The apparatus of claim 1 , wherein the display device comprises a chassis holding a display, the first tuner being in the chassis, the second tuner being embodied in a dongle plugged into an external port of the chassis, the dongle not containing software until downloaded after the dongle has been being plugged into the external port.

5. The apparatus of claim 1 , wherein the channel list comprises an electronic program guide (EPG) presented on the display device, and the instructions are executable to cause the second tuner to tune to the second DTV channel before a listing for the second DTV channel is visible on the EPG or before the next channel in the EPG is selected.

6. The apparatus of claim 1 , wherein the instructions are executable to:
input the CBS to at least one machine learning (ML) model; and
cause the second tuner to tune to the second DTV channel based on output from the ML model.

7. The apparatus of claim 6 , wherein the instructions are executable to:
train the ML model using the CBS.

8. An apparatus comprising:
at least one processor assembly configured to:
use a first tuner to present a first digital television (DTV) channel on at least one display device;
present a channel list on the display device;
receive channel browsing signals to navigate the channel list;
use a second tuner to tune to a second DTV channel responsive to the CBS prior to receiving a channel change command to the second DTV channel;
responsive to receiving the channel change command, present the second DTV channel on the display device using the second tuner;
while the second DTV channel is presented on the display device using the second tuner, use the first tuner to also tune to the second DTV channel; and
responsive to the first tuner also tuning to the second DTV channel, switch to presenting the second DTV channel on the display device using the first tuner.

9. The apparatus of claim 8 , comprising an input device from whence the CBS are received, wherein the input device comprises a television remote control (RC).

10. The apparatus of claim 8 , wherein the display device comprises an Advanced Television Systems Committee (ATSC) 3 . 0 DTV.

11. The apparatus of claim 8 , wherein the display device comprises a chassis holding a display, and the first tuner is in the chassis and the second tuner is embodied in a dongle plugged into an external port of the chassis.

12. The apparatus of claim 8 , wherein the processor assembly is configured to:
input the CBS to at least one machine learning (ML) model; and
cause the second tuner to tune to the second DTV channel based on output from the ML model.

13. The apparatus of claim 12 , wherein the processor assembly is configured to:
train the ML model using the CBS.

14. A method comprising:
presenting, using a first tuner, a first television (TV) channel on at least one display device;
receiving channel browsing signals (CBS);
navigating a channel list in response to the CBS;
responsive to the CBS, causing a second tuner to tune to a second TV channel;
responsive to a channel change command to the second TV channel, presenting the second TV channel on the display device using the second tuner;
while the second TV channel is presented on the display device using the second tuner, using the first tuner to also tune to the second TV channel; and
responsive to the first tuner also tuning to the second TV channel, switching to presentation of the second TV channel on the display device using the first tuner.

15. The apparatus of claim 1 , wherein the instructions are executable to:
prior to the channel change command and while the second tuner is tuned to the second DTV channel, present the second DTV channel in picture-in-picture format on the display device concurrent with presentation of the first DTV channel on the display device.

16. The apparatus of claim 1 , wherein the instructions are executable to:
identify, via face recognition, a current user of the display device; and
based on the identification of the current user via face recognition, cause the second tuner to tune to the second DTV channel prior to presenting the second DTV channel on the display device.

17. The apparatus of claim 8 , wherein the instructions are executable to:
prior to receiving the channel change command and while the second tuner is tuned to the second DTV channel, present the second DTV channel in picture-in-picture format on the display device concurrent with presentation of the first DTV channel on the display device.

18. The apparatus of claim 8 , wherein the instructions are executable to:
identify, via face recognition, a current user of the display device; and
based on the identification of the current user via face recognition, use the second tuner to tune to the second DTV channel prior to presenting the second DTV channel on the display device.

19. The method of claim 14 , comprising:
prior to receipt of the channel change command and while the second tuner is tuned to the second TV channel, presenting the second TV channel in picture-and-picture format on the display device concurrent with presentation of the first TV channel on the display device.

20. The method of claim 14 , comprising:
identifying, via face recognition, a current user of the display device; and
based on the identification of the current user via face recognition, causing the second tuner to tune to the second TV channel prior to presenting the second TV channel on the display device.

Assignees

• Sony Group Corp

Inventors

• Shintani Peter
• Ansfield Fred

Classifications

• H04N21/482

  End-user interface for programme selection · CPC title

• H04N21/4383

  Accessing a communication channel · CPC title

• H04N21/4622

  Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet (web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859) · CPC title

• H04N21/4263 Primary

  involving specific tuning arrangements, e.g. two tuners · CPC title