ケーブル・テレビ
テクトロニクスのビデオ・テスト機器が役立つ3つの分野:
- ネットワーク・アクセス・ポイントにおけるヘッドエンド・モニタリング
- VoIPネットワーク設備（エンコーダとIPスイッチ）のインストレーション
- エンコーダなどのネットワーク・インフラの選択と検証
- 推奨機器
- アプリケーション・ノート
- ウェブ・セミナ
Headend Monitoring (click to expand)
Central or Master Headend Monitoring (click to expand)
| Product | Description |
Sentry  |
Acquisition: Sentry's "Deep Dive" monitoring enables video service providers to detect Video & Audio level impairments in the incoming feeds (e.g. the SPTS from the satellite receivers). This includes perceptual video and audio QoE scoring (tiling, audio disruptions and audio level issues, etc.), black/frozen screen and audio silence. |
| Medius and Consul |
For centralized management, reporting, alerting, aggregation and configuration of monitoring devices from the source to the edge of the network. |
Secondary or Regional Headend Monitoring (click to expand)
| Product | Description |
| Sentry |
Acquisition: Sentry's "Deep Dive" monitoring enables video service providers to detect Video & Audio level impairments in the incoming feeds (e.g. the SPTS from the satellite receivers). This includes perceptual video and audio QoE scoring (tiling, audio disruptions and audio level issues, etc.), black/frozen screen and audio silence. |
| Sentry Verify |
Ingress Monitoring: Sentry Verify enables video service providers to detect transport, video and audio errors on the incoming feeds at each of the regional headends. |
| Sentry Edge |
RF Monitoring: Sentry Edge enables video service providers to detect RF, Transport, Video and Audio errors on the output of the QAM modulators. |
Installing Video Over IP Infrastructure (click to expand)
| Product | Description |
| MTS400P | Portable MPEG Test System with IP traffic generator and real time video monitoring and analysis |
Testing New Set Top Box Software (click to expand)
Evaluating & Optimizing Encoders (click to expand)
Checking File Based Audio and Video Before Playout in VoD Systems (click to expand)
| Product | Description |
| CYC200 | Ensuring that the audio and video quality of VoD/TSTV content meets QoS guidelines prior to distribution across all video servers |
- Downloads
- Cerify – free 30-day trial software
- ビデオ／オーディオのQoE（ユーザ体感品質）測定
今日のデジタルTV放送は、さまざまなソースを元にして、数多くの装置を経由して最終的に視聴者に届けられます。放送素材に問題がなくても、素材が通過するさまざまな装置に障害があることがあり、ビデオに影響を及ぼすことがあります。素材に劣化が起こると、視聴者によるQoE（Quality of Experience、サービス体感品質）に影響を及ぼします。このような信号劣化はコンテンツの性質により発生したり、ランダムに発生したり、また定常的にQoEが低くなることがあります。コンテンツ品質が劣化する原因はさまざまです。ここで重要となるのは、ネットワークのさまざまなポイントで番組を客観的にQoE評価し、いつ、どこで劣化が発生したかをピンポイントで知ることです。
- Tektronix' VQS Received Four Diamond Ranking from Cable Television Industry Experts
- QoE: What it Means to Subscribers and Service Providers Webinar
Quality of Experience has emerged as the key focal point for cable operators. This webinar explores the results of a recent video network monitoring market study that points to the growing need for network monitoring. Learn about Recommended Best Practices for QoE monitoring, as well as strategic decisions related to Video Monitoring Deployments from Time Warner Cable. - Tektronix Ingest to Edge QoE Monitoring Solution Helps Solve Subscriber QoE Problems Directly from the Headend Video
Learn more about Tektronix' new VQS1000 Video Quality of Experience software which enables real-time assessment of video impairments on MPEG-2 or H.264 encoded content. - Basic MPEG Overview / MPEG Made Easy Webinar
This introduction to MPEG covers Transport Streams, timing, and error types. Watch this webinar to learn about TR101-290 error types, and how it is giving way to ATSC Recommended Practice (A/78), a more meaningful measure of customer impacting events. - MPEG Troubleshooting in Cable Networks Webinar
A must for reviewing measurement guidelines and tools for testing MPEG in cable networks. This webinar covers many topics including the measurement guidelines know as ETSI TR 101 290. - MPEG Timing and Synchronization Webinar
Whether your job is to design Encoders and Set Top Boxes (STBs), or to evaluate or integrate them, dealing effectively with timing concerns is essential. A Tektronix Buffer Analyzer can pinpoint the source of timing problems, and our webinar covering Program Clock Reference (PCR) issues and more explains timing principles and their impact on video quality. - Video over IP QoS (Network Monitoring of MPEG over a IP Transport) Webinar
This presentation on monitoring MPEG Transport Streams over IP networks describes test methodology used to ensure superior Quality of Service (QoS) in video. - DTV and IPTV Monitoring Webinar - Reducing Network Downtime
As the worldwide DTV market continues to evolve, a shifting consumer viewing behavior combined with increasing competitive pressure is driving an explosion in broadcast channel count and overall CAPEX investment. Delivering superior Quality of Service (QoS) to maintain differentiation in this competitive market becomes paramount to traditional broadcasters and Multi-Service Operators (MSO).