# US 2020/0396451 A1 · Systems and Methods for Encoding Alternative Streams of Video for Playback on Playback Devices Having Predetermined Display Aspect Ratios and Network Connection Maximum Data Rates

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- Number: US 2020/0396451 A1
- Document ID: US20200396451A1
- Status: Published application
- Kind: A1
- Application number: 16/920,234
- Filed: 2020-07-02
- Published: 2020-12-17
- Earliest claimed: 2011-08-30
- Assignees: Divx, LLC
- Applicants: Divx, LLC
- Inventors: Kourosh Soroushian; Auke Sjoerd van der Schaar
- Web page: https://patentgrep.com/patent/US20200396451A1

## CPC

- H04N 19/115: Selection of the code volume for a coding unit prior to coding
- H04N 5/85: on discs or drums
- H04N 9/80: Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N 19/132: Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
- H04N 19/136: Incoming video signal characteristics or properties
- H04N 19/154: Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion (use of rate-distortion criteria H04N19/147)
- H04N 19/16: for a given display mode, e.g. for interlaced or progressive display mode
- H04N 19/164: Feedback from the receiver or from the transmission channel
- H04N 19/172: the region being a picture, frame or field
- H04N 19/85: using pre-processing or post-processing specially adapted for video compression
- H04N 21/234363: {by altering the spatial resolution, e.g. for clients with a lower screen resolution}
- H04N 21/23439: {for generating different versions}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

Systems and methods for adaptive bitrate streaming of alternative streams of video encoded at resolution and sample aspect ratio combinations and maximum bitrates in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a source encoder configured to encode a source video stream as a plurality of alternative streams of video for playback on a playback device includes a processor configured to receive multimedia content including source video data having a primary resolution, a primary sample aspect ratio, and a primary frame rate and to encode the source video data as alternative streams of video, where the resolution and sample aspect ratio of at least one of the alternative streams of video are selected to have an aspect ratio that is the same as a predetermined display aspect ratio and at least one of the alternative streams is encoded at a maximum bitrate.

## Claims

### Claim 1

A source encoder configured to encode a source video stream as a plurality of alternative streams of video for playback on a playback device, comprising:
a processor configured by an encoding application to:
receive multimedia content, where the multimedia content comprises source video data having a primary resolution, a primary sample aspect ratio, and a primary frame rate; and
encode the source video data as a set of alternative streams of video, where:
the resolution and sample aspect ratio of at least one of the alternative streams of video are selected to have an aspect ratio that is the same as a predetermined display aspect ratio; and
at least one of the alternative streams is encoded at a maximum bitrate corresponding to a predetermined network connection maximum data rate.