US 10,310,928 B1Granted

Dynamic selection of multimedia segments using input quality metrics

AssigneeAmazon Technologies, Inc.

InventorsRyan Paul Hegar, Khawaja Salman Shams

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Abstract

Multimedia input may be received by two or more transcoders. A primary transcoder may transcode the multimedia input and generate a first multimedia output segment having a first segment quality metric based at least in part on errors detected as part of the transcoding process. A second transcoder may transcode the multimedia input and generate a redundant second multimedia output segment encoded with a segment quality metric. The segment quality metrics may be encoded in a manifest file associated with each particular segment. A multimedia delivery platform may receive redundant segments from two or more transcoders and select, among the redundant segments, a segment to provide to a downstream entity based at least in part on the quality metric of the segments.

Claims20

Dependent claims

A system, comprising:

one or more processors;
memory that stores computer-executable instructions that, if executed, cause the system to:
obtain a first multimedia stream comprising of a first plurality of multimedia segments in an encoding format and including segment quality metrics based at least in part on whether transcoding errors were detected during transcoding of segments of the first plurality;
obtain a second multimedia stream comprising of a second plurality of multimedia segments in the same encoding format and including segment quality metrics based at least in part on whether transcoding errors were detected during transcoding of segments of the second plurality;
generate a multimedia output stream comprising a third plurality of multimedia segments by selecting multimedia segments from either the first plurality or the second plurality, wherein a segment of the third plurality is selected based at least in part on comparing a first segment quality metrics of a particular segment of the first plurality and a second segment quality metric associated with a segment of the second plurality that corresponds to the particular segment of the first plurality, wherein the third plurality comprises a first segment of the first plurality and a second segment of the second plurality;
and
provide the multimedia output stream to another system.

4 more elements

A computer-implemented method, comprising:

obtaining, from a first transcoder, a first multimedia segment of a first plurality of multimedia segments associated with a multimedia input, wherein a first segment quality metric based at least in part on one or more errors detected by the first transcoder is associated with the first multimedia segment;
obtaining, from a second transcoder, a second transcoded multimedia segment of a second plurality of multimedia segments associated with the multimedia input, wherein a second segment quality metric based at least in part on one or more errors detected by the second transcoder is associated with the second multimedia segment, and further wherein the first multimedia segment and the second multimedia segment share a same encoding format;
selecting, between the first multimedia segment and the second multimedia segment, an output segment based at least in part on the first segment quality metric and the second segment quality metric;
and
generating a multimedia output stream comprising a third plurality of multimedia segments and based at least in part on the output segment, wherein the multimedia output stream comprises multimedia segments from both the first plurality and the second plurality.

2 more elements

A non-transitory computer-readable storage medium comprising executable instructions that, as a result of being executed by one or more processors of a computer system, cause the computer system to:

obtain, from a first transcoder, a first multimedia segment of a first plurality of multimedia segments associated with a multimedia input, wherein a first segment quality metric based at least in part on one or more errors detected by the first transcoder is associated with the first multimedia segment;
obtain, from a second transcoder, a second transcoded multimedia segment of a second plurality of multimedia segments associated with the multimedia input, wherein a second segment quality metric based at least in part on one or more errors detected by the second transcoder is associated with the second multimedia segment, and further wherein the first multimedia segment and the second multimedia segment share a same encoding format;
select, between the first multimedia segment and the second multimedia segment, an output segment based at least in part on the first segment quality metric and the second segment quality metric;
and
generate a multimedia output stream comprising a third plurality of multimedia segments and based at least in part on the output segment, wherein the multimedia output stream comprises multimedia segments from both the first plurality and the second plurality.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/469,856Filed 27 Mar 2017
Granted: 4 Jun 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

G06F 11/0784
Error or fault reporting or storing: routing of error reports, e.g. with a specific transmission path or data flow
H04L 43/10
Arrangements for monitoring or testing data switching networks: active monitoring, e.g. heartbeat, ping or trace-route
G06F 3/0635
Configuration or reconfiguration of storage systems: by changing the path, e.g. traffic rerouting, path reconfiguration
G06F 11/0709
The processing taking place on a specific hardware platform or in a specific software environment: in a distributed system consisting of a…

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