--- title: What Is Video Transcoding? How It Works and How to Cut Costs description: "Video transcoding explained: transcoding vs encoding, ABR ladders, per-title encoding, cloud vs on-prem options and ways to cut transcoding cost." image: https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Nov-01-2026-01-25-14-0205-AM.jpeg --- [![BlazingCDN](https://blog.blazingcdn.com/hubfs/Logo/blog-logo-w.png)](https://blog.blazingcdn.com?hsLang=en-us) [๐Ÿ“˜Learn โ–พ](https://blog.blazingcdn.com/cdn-learn?hsLang=en-us) [CDN Fundamentals](https://blog.blazingcdn.com/cdn-fundamentals?hsLang=en-us) [By Content Type](https://blog.blazingcdn.com/by-content-type?hsLang=en-us) [Advanced Concepts](https://blog.blazingcdn.com/advanced-concepts?hsLang=en-us) [Glossary](https://blog.blazingcdn.com/glossary?hsLang=en-us) [โšก Web Performance](https://blog.blazingcdn.com/web-performance?hsLang=en-us) [๐ŸŽฌVideo & Streaming โ–พ](https://blog.blazingcdn.com/video-streaming-cdn?hsLang=en-us) [๐Ÿ”ด Live Streaming](https://blog.blazingcdn.com/live-streaming?hsLang=en-us) [๐Ÿ“บ VOD & OTT](https://blog.blazingcdn.com/vod-ott?hsLang=en-us) [๐Ÿ’ฐ Bandwidth & Costs](https://blog.blazingcdn.com/bandwidth-costs?hsLang=en-us) [๐Ÿญ Other Industries โ–พ](https://blog.blazingcdn.com/cdn-industry-insights?hsLang=en-us) [๐Ÿ“บ Media & Broadcasting](https://blog.blazingcdn.com/media-broadcasting?hsLang=en-us) [๐Ÿ’พ Software & SaaS](https://blog.blazingcdn.com/software-saas?hsLang=en-us) [๐Ÿ—๏ธ DevOps & Cloud Infra](https://blog.blazingcdn.com/devops-cloud-infra?hsLang=en-us) [๐Ÿ“š AdTech & Advertising](https://blog.blazingcdn.com/adtech-advertising?hsLang=en-us) [๐ŸŽฎ Gaming & Esports](https://blog.blazingcdn.com/gaming-esports?hsLang=en-us) [๐Ÿ“ฑ Mobile Apps & Developers](https://blog.blazingcdn.com/mobile-apps-developers?hsLang=en-us) [๐Ÿค– AI & Machine Learning](https://blog.blazingcdn.com/ai-machine-learning?hsLang=en-us) [๐Ÿ›๏ธ Enterprise & Corporate](https://blog.blazingcdn.com/enterprise-corporate?hsLang=en-us) [๐Ÿ“š E-Learning & EdTech](https://blog.blazingcdn.com/e-learning-edtech?hsLang=en-us) [๐ŸŸ๏ธ Sports & Live Events](https://blog.blazingcdn.com/sports-live-events?hsLang=en-us) [๐Ÿ’ฐ Pricing & Costs โ–พ](https://blog.blazingcdn.com/cdn-pricing-and-cdn-costs?hsLang=en-us) [Provider Pricing](https://blog.blazingcdn.com/provider-pricing?hsLang=en-us) [Cost Optimization](https://blog.blazingcdn.com/cost-optimization?hsLang=en-us) [Decision Support](https://blog.blazingcdn.com/decision-support?hsLang=en-us) [โšกCompare โ–พ](https://blog.blazingcdn.com/cdn-comparison?hsLang=en-us) [Provider Comparisons](https://blog.blazingcdn.com/provider-comparisons?hsLang=en-us) [Strategy Comparisons](https://blog.blazingcdn.com/strategy-comparisons?hsLang=en-us) [Ratings & Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [๐Ÿ“Š Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [๐Ÿ”’ Security โ–พ](https://blog.blazingcdn.com/cdn-security?hsLang=en-us) [Attack Protection](https://blog.blazingcdn.com/attack-protection?hsLang=en-us) [Encryption & Access](https://blog.blazingcdn.com/encryption-access?hsLang=en-us) [Video & DRM Security](https://blog.blazingcdn.com/video-drm-security?hsLang=en-us) [๐Ÿ“ Case Studies](https://blog.blazingcdn.com/case-studies?hsLang=en-us) [๐Ÿ”Œ Integrations](https://blog.blazingcdn.com/integrations?hsLang=en-us) [๐Ÿ› ๏ธ Tools](https://blog.blazingcdn.com/cdn-tools?hsLang=en-us) [Get Started](https://blazingcdn.com/sign-up-contact-form/) [Learn](https://blog.blazingcdn.com/en-us/tag/learn) [Video - Video & Streaming](https://blog.blazingcdn.com/en-us/tag/video-video-streaming) [Pricing - Cost Optimization](https://blog.blazingcdn.com/en-us/tag/pricing-cost-optimization) # What Is Video Transcoding? How It Works and How to Cut Costs Vadym Borovskyi Nov 1, 2026, 2:27:09โ€ฏAM ![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Nov-01-2026-01-25-14-0205-AM.jpeg) The short answer to what is transcoding: it is decoding an already-compressed video and re-encoding it into a different codec, bitrate, resolution or container. In a typical 2026 streaming pipeline, one mezzanine file becomes 5 to 8 renditions on an adaptive bitrate (ABR) ladder, packaged as HLS or DASH. This guide covers how a transcoder works, transcoding vs encoding vs transmuxing, a worked cost model showing when delivery outweighs encoding, the failure modes that break playback, and seven fixes for production pipelines. Video transcoding is lossy by construction: every decode and re-encode cycle discards information, so a pipeline that transcodes a 20 Mbps mezzanine into a 3 Mbps 720p rendition is choosing which detail to throw away. Engineers who treat transcoding as a quality budget, not a file-format chore, ship ladders that cost less to store and deliver. ## **Transcoding Explained: What Is Transcoding at the Frame Level** A transcode runs four stages. Decode turns compressed frames (H.264, HEVC, ProRes, AV1) back into raw YUV pictures. Processing applies scaling, deinterlacing, frame-rate conversion, color-space conversion and tone mapping. Encode compresses those pictures again with the target codec and rate control. Packaging muxes the output into fMP4 or MPEG-TS segments plus HLS or DASH manifests. The expensive stage is encode, and its cost is driven by codec complexity and preset. A slow x265 or SVT-AV1 preset can run 10 to 50 times slower than a hardware encoder at the same resolution, in exchange for better quality per bit. Decode is cheap by comparison, which is why efficient pipelines decode once and fan the decoded frames out to every rendition instead of decoding the source six times. ### What is a transcoder? A transcoder is the software or hardware component that performs the decode, process and encode cycle. Software transcoders include FFmpeg with libx264, x265 or SVT-AV1. Hardware transcoders use dedicated silicon such as NVIDIA NVENC, AMD VCN or Intel Quick Sync. Managed cloud services wrap either approach behind a job API and bill per output minute. Live transcoders add strict real-time constraints: they must sustain encode speed at or above 1x and survive ingest interruptions without corrupting segments. VOD transcoders can trade wall-clock time for quality and run as batch jobs on preemptible capacity. ## **Transcoding vs Encoding vs Transmuxing** These terms get used interchangeably in tickets and vendor docs, and the confusion leads to wrong cost estimates. The table separates what each operation touches. | Operation | Input | What changes | Quality loss | Relative compute | | --- | --- | --- | --- | --- | | Encoding | Raw or uncompressed frames | Compresses to a codec | One generation | High | | Transcoding | Compressed video | Codec, bitrate, resolution or frame rate | An additional generation | High (decode plus encode) | | Transrating | Compressed video | Bitrate only, same codec | An additional generation | Medium to high | | Transmuxing | Compressed video | Container only (MPEG-TS to fMP4) | None | Very low | Only transmuxing is lossless and nearly free, so any step that can be a container change instead of a re-encode should be one. Transcoding vs. encoding: encoding compresses raw frames once, while transcoding starts from an already-compressed file and adds a second lossy generation. Encoding a camera master and transcoding a delivered H.264 file use the same encoder, but the transcode inherits every artifact in its source. Transcoding vs. transmuxing: transmuxing repackages the same compressed bitstream into a new container, for example RTMP-delivered H.264 into HLS segments. If your source already matches the target codec and keyframe structure, transmux and skip the encoder entirely. ## **ABR Ladders and Per-Title Encoding** An ABR ladder is the set of renditions a player switches between as bandwidth changes. A static ladder applies one table of resolution and bitrate pairs to every title, which overspends bits on simple content such as slides or animation and underspends on grain-heavy film. Per-title encoding runs analysis encodes, measures quality with VMAF (Video Multimethod Assessment Fusion) across bitrates, and picks the rungs on the convex hull for that specific title. The production detail that matters most is GOP alignment. Every rendition must place IDR frames at identical timestamps, typically every 2 seconds, with scene-cut keyframe insertion disabled or constrained, or the player cannot switch rungs at segment boundaries. In FFmpeg that means decoding once, splitting the decoded stream with the split filter, scaling each branch, and forcing keyframes at a fixed interval with the force\_key\_frames option on every output. Capped VBR (a target bitrate with a maxrate and a VBV buffer of 1 to 2 times the target) keeps segment sizes predictable for CDN caching and player buffer models. Codec choice multiplies the ladder. Published codec comparisons generally put AV1 at roughly 20 to 30 percent lower bitrate than HEVC at equal quality, but every added codec is a parallel ladder to encode, store and cache. This blog's rule of thumb: add an AV1 ladder only when your own player telemetry shows hardware AV1 decode on a large share of viewing hours, around 80 percent for the devices you would otherwise serve HEVC, and keep H.264 as the universal fallback. ## **Video Transcoding Cost: What Actually Drives the Bill** Transcoding cost is driven by output minutes, codec complexity and preset, resolution, and the number of ladders. Encoding is a one-time cost per title, while delivery scales with every viewer-hour. For any title watched more than a few thousand hours, bytes delivered usually cost more than the encode, so bitrate efficiency pays back faster than cheaper encode minutes. ### Worked cost model: encode once, deliver many times Assumptions, all labeled estimates: a 1-hour VOD title, a 6-rung H.264 ladder, managed cloud transcoding at about $0.015 per output minute (typical published per-minute rates range from under $0.01 to above $0.03 depending on resolution and codec), viewers averaging 4 Mbps, and delivery at $5 per TB. - Encode: 6 renditions x 60 minutes = 360 output minutes x $0.015 = $5.40, paid once. - Delivery per viewer-hour: 4 Mbps x 3,600 s / 8 = 1.8 GB, so $0.009 per viewer-hour. - Per-title encoding that cuts average bitrate 20 percent saves 0.36 GB, or $0.0018 per viewer-hour. - If per-title analysis doubles the encode bill (another $5.40), break-even is $5.40 / $0.0018 = 3,000 viewer-hours. Our estimate from this arithmetic: per-title encoding pays for itself on any title expected to pass roughly 3,000 viewer-hours, and at 100,000 viewer-hours the same title saves about $180 in delivery against $5.40 of extra encoding. At higher delivery prices the break-even arrives even sooner. Long-tail catalog titles below that threshold are better served by a cheap static ladder. ### Cloud vs on-prem transcoding Managed cloud transcoding wins for spiky VOD intake and small teams: no capacity planning, per-minute billing. Self-managed workers on reserved or spot instances win once intake is steady, because preemptible CPU capacity for batch x265 or SVT-AV1 jobs can cost a fraction of per-minute service pricing. On-prem GPU or ASIC appliances fit 24/7 live channel counts where utilization stays high. The honest trade-off: self-managed pipelines move cost from the invoice to engineering hours spent on queueing, retries and codec upgrades. ## **Failure Modes: What Breaks, How It Shows Up, How to Confirm** Most transcoding incidents surface in the player, far from the encoder that caused them. Map the symptom back to the stage before touching settings. | Failure | How it shows up | How to confirm | | --- | --- | --- | | Misaligned keyframes across renditions | Stalls or visual jumps on rung switches | Compare IDR frame timestamps per rendition with ffprobe | | Timestamp discontinuity in live ingest | Frozen video, audio drift, player errors after an encoder restart | Check for PTS jumps and missing discontinuity tags in the media playlist | | HDR metadata dropped | Washed-out or crushed picture on HDR TVs | Inspect color primaries, transfer characteristics and mastering metadata in the output | | GPU VRAM or session exhaustion | New live channels fail to start while existing ones run | Correlate encoder start failures with VRAM usage and session counts per GPU | | Generation loss from lossy mezzanine | Blocking in dark scenes despite healthy bitrates | Score the source itself with VMAF against the master | Keyframe alignment and timestamp handling cause the playback failures viewers notice most, so validate both on every profile change before anything else. ## **7 Fixes for Common Video Transcoding Problems** ### 1. Audit the ABR ladder against real traffic Pull 30 days of CDN logs and player telemetry and find rungs serving a small share of bytes or sessions. Drop or merge them, then test per-title ladders against the current one using VMAF and bitrate. ### 2. Base AV1 adoption on your own telemetry Use player codec-capability reports, not global device averages. Serve AV1 opportunistically where hardware decode exists and keep HEVC or H.264 fallbacks until coverage justifies dropping them. ### 3. Match hardware to the workload Hardware encoders such as NVENC and AMD VCN suit live H.264 and HEVC, where real-time throughput matters. CPU encoders like x265 and SVT-AV1 usually give better quality per dollar for VOD. Benchmark VMAF per dollar on your own content. ### 4. Control cloud transcoding spend Version encoding profiles and tag outputs with profile metadata so duplicate jobs are detectable. Put predictable intake on committed capacity and batch VOD on spot. Always compare encode, storage and egress together. ### 5. Instrument the whole pipeline - Encode queue depth and autoscaling response time - Segment-ready latency from ingest to edge - Failures by codec, resolution, HDR format and source type - Cost per viewer-hour across compute, storage and delivery ### 6. Design live transcoding for failure Cap sessions below tested GPU capacity, add watchdogs for VRAM exhaustion, and signal packagers to emit a discontinuity on timestamp jumps. Keep a warm pool sized above P95 demand, this blog's suggestion being about 120 percent, and canary profile changes with automated rollback. ### 7. Optimize delivery as aggressively as encoding Low cache hit ratios on segments push load back to origin and inflate egress. Tune manifest and segment TTLs separately, prevent stale live playlists, and track total cost per viewer-hour. BlazingCDN does not transcode, but its [**Video CDN for packaged HLS and DASH libraries**](https://blazingcdn.com/video-cdn/) replicates the finished renditions inside the CDN so the origin stays out of the delivery path. ## **FAQ: What Is Transcoding and Video Transcoding Questions** ### What is transcoding in video streaming? Transcoding in video streaming is converting a compressed source into multiple renditions with different codecs, bitrates and resolutions for an adaptive bitrate ladder. The player then switches between those renditions as bandwidth changes. Each transcode decodes the source and re-encodes it, so quality depends on both the source and the encoder settings. ### Is video transcoding lossy? Video transcoding is lossy whenever it re-encodes with a lossy codec, which covers nearly every streaming workflow. Each generation discards detail and can amplify artifacts already present in the source. Starting from a high-bitrate mezzanine and transcoding once to each target, rather than chaining transcodes, keeps the loss to a single generation. ### What is the difference between transcoding vs encoding? Encoding compresses raw, uncompressed frames into a codec, while transcoding takes an already-compressed video, decodes it and encodes it again into a different format. Both use the same encoder software or hardware. The practical difference is that a transcode inherits every artifact of its compressed input and adds a second round of loss. ### Should video transcoding run on GPU or CPU? Video transcoding for live channels usually belongs on GPU or dedicated hardware encoders, because they sustain real-time throughput at high density. VOD transcoding often favors CPU encoders such as x265 or SVT-AV1, which deliver better quality per bit at slow presets. Measure VMAF per dollar on representative content before committing. ### How much does video transcoding cost per minute? Managed video transcoding typically costs from under $0.01 to above $0.03 per output minute, depending on resolution, codec and features, based on published per-minute rates. A six-rung ladder multiplies that by six. For popular titles, delivery of the resulting bytes usually costs far more than the one-time transcode. ## **Calculate Your Cost per Viewer-Hour This Week** Take your top 20 titles by viewing hours and compute three numbers for each: encode cost (output minutes times your rate), average delivered bitrate from CDN logs, and viewer-hours over 30 days. Plug them into the break-even formula above to find which titles justify per-title or AV1 ladders and which should stay on a cheap static ladder. Then check IDR alignment across renditions on one title per profile, since a misaligned ladder wastes any bitrate savings in rebuffering. Once the renditions are packaged, BlazingCDN delivers pre-encoded HLS, LL-HLS and DASH on pay-as-you-go pricing with a 14-day testing period on real production traffic, described on the [**OTT and VOD streaming CDN page**](https://blazingcdn.com/ott-vod-streaming-cdn/). Share: [f](https://www.facebook.com/sharer/sharer.php?u=https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges) [in](https://www.linkedin.com/sharing/share-offsite/?url=https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges) [๐•](https://twitter.com/intent/tweet?url=https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges&text=) [โœ‰](mailto:?subject=%3Cspan%20id="hs_cos_wrapper_name"%20class="hs_cos_wrapper%20hs_cos_wrapper_meta_field%20hs_cos_wrapper_type_text"%20style=""%20data-hs-cos-general-type="meta_field"%20data-hs-cos-type="text"%20%3EWhat%20Is%20Video%20Transcoding?%20How%20It%20Works%20and%20How%20to%20Cut%20Costs%3C/span%3E&body=https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges) ![BlazingCDN](https://blog.blazingcdn.com/hs-fs/hubfs/Logo/blog-logo-w.png?height=24&name=blog-logo-w.png) *Heavy traffic.* Light bill. The CDN for video and large traffic Their monthly bill vs ours - 20 TBFastly $2,087**$92.50** - 50 TBCDN77 $990**$215** - 200 TBCloudFront $11,965**$765** Published list prices, Aug 2026 [Calculate your cost](https://blazingcdn.com/cdn-cost-calculator/?utm_source=blog&utm_medium=sidebar&utm_campaign=blog_sidebar&utm_content=compare_calc) ## Related posts [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Nov-01-2026-12-55-11-7133-AM.jpeg)](https://blog.blazingcdn.com/en-us/video-cdn-architecture-how-to-deliver-hd-and-4k-streams-at-any-scale?hsLang=en-us) Learn ### [Video CDN Architecture: Delivering HD and 4K Streams at Scale](https://blog.blazingcdn.com/en-us/video-cdn-architecture-how-to-deliver-hd-and-4k-streams-at-any-scale?hsLang=en-us) At 500,000 concurrent viewers, a 4K live event averaging 9.4 Mbps per player needs 4.7 Tbps of edge egress, about 2,115 ... Nov 1, 2026, 1:58:00โ€ฏAM [Read more](https://blog.blazingcdn.com/en-us/video-cdn-architecture-how-to-deliver-hd-and-4k-streams-at-any-scale?hsLang=en-us) [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Nov-01-2026-12-40-35-9772-AM.jpeg)](https://blog.blazingcdn.com/en-us/shaka-player-vs-videojs-vs-hls-js-choosing-a-web-player?hsLang=en-us) Video - Video & Streaming ### [Shaka Player vs Video.js vs hls.js: Choosing a Web Player](https://blog.blazingcdn.com/en-us/shaka-player-vs-videojs-vs-hls-js-choosing-a-web-player?hsLang=en-us) Pick Shaka Player when one codebase must play both DASH and HLS with Widevine, PlayReady and FairPlay. Pick hls.js when ... Nov 1, 2026, 1:42:51โ€ฏAM [Read more](https://blog.blazingcdn.com/en-us/shaka-player-vs-videojs-vs-hls-js-choosing-a-web-player?hsLang=en-us) [![BlazingCDN](https://blog.blazingcdn.com/hubfs/Logo/blog-logo-w.png)](https://blog.blazingcdn.com?hsLang=en-us) [๐Ÿ“˜ Learn](https://blog.blazingcdn.com/cdn-learn?hsLang=en-us) [๐Ÿ“Š Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [๐ŸŽฌ Video & Streaming](https://blog.blazingcdn.com/video-streaming-cdn?hsLang=en-us) [๐Ÿญ Industries](https://blog.blazingcdn.com/cdn-industry-insights?hsLang=en-us) [๐Ÿ’ฐ Pricing & Costs](https://blog.blazingcdn.com/cdn-pricing-and-cdn-costs?hsLang=en-us) [โšก Compare](https://blog.blazingcdn.com/cdn-comparison?hsLang=en-us) [๐Ÿ”’ Security](https://blog.blazingcdn.com/cdn-security?hsLang=en-us) [๐Ÿ› ๏ธ Tools](https://blog.blazingcdn.com/cdn-tools?hsLang=en-us) [โœ๏ธ Publish with us](https://blog.blazingcdn.com/publish-with-us?hsLang=en-us) in f ๐• โœ‰ Copyright ยฉ BlazingCDN |. All rights reserved. ```json { "@context" : "https://schema.org", "@id" : "https://blazingcdn.com/#organization", "@type" : "Organization", "description" : "High-volume CDN for video, live streaming, OTT/IPTV, software, games, SaaS and large-file delivery.", "logo" : { "@id" : "https://blazingcdn.com/#logo", "@type" : "ImageObject", "height" : 560, "url" : "https://blazingcdn.com/wp-content/uploads/2024/08/logo-560-560.png", "width" : 560 }, "name" : "BlazingCDN", "sameAs" : [ "https://www.linkedin.com/company/blazingcdn", "https://x.com/BlazingCdn", "https://www.reddit.com/r/BlazingCDN/", "https://www.wikidata.org/wiki/Q141711074" ], "url" : "https://blazingcdn.com/" } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/#website", "@type" : "WebSite", "inLanguage" : "en-US", "name" : "BlazingCDN Blog", "publisher" : { "@id" : "https://blazingcdn.com/#organization" }, "url" : "https://blog.blazingcdn.com/" } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges#article", "@type" : "BlogPosting", "author" : { "@id" : "https://blog.blazingcdn.com/en-us/author/blazingcdn#person", "@type" : "Person", "description" : "Vadym Borovskyi is Chief Product and Marketing Officer at BlazingCDN, where he has led product strategy and growth since 2021. He has more than 11 years of experience in IT product management and B2B marketing. On this blog he writes about CDN pricing and egress costs, video and software delivery, cache configuration, and how teams evaluate and switch CDN providers. He is based in Warsaw, Poland.", "image" : "https://143144902.fs1.hubspotusercontent-eu1.net/hubfs/143144902/vadym-borovskyi.jpg", "jobTitle" : "Chief Product and Marketing Officer", "knowsAbout" : [ "Content Delivery Networks (CDN)", "CDN pricing", "Video streaming delivery", "Software and game distribution", "Cache optimization", "Product Management", "B2B Marketing", "Digital Marketing", "Pay Per Click Marketing (PPC)", "Google Ads", "Search Engine Marketing (SEM)", "Marketing Strategy", "Artificial Intelligence (AI)", "Cloud Management", "SaaS Development", "IT Consulting", "Computer Networking", "Project Management", "Startups" ], "name" : "Vadym Borovskyi", "sameAs" : [ "https://www.linkedin.com/in/axelt/" ], "url" : "https://blog.blazingcdn.com/en-us/author/blazingcdn", "worksFor" : { "@id" : "https://blazingcdn.com/#organization" } }, "dateModified" : "2026-11-01T01:27:10Z", "datePublished" : "2026-11-01T01:27:09Z", "description" : "Video transcoding explained: transcoding vs encoding, ABR ladders, per-title encoding, cloud vs on-prem options and ways to cut transcoding cost.", "headline" : "What Is Video Transcoding? How It Works and How to Cut Costs", "image" : "https://143144902.fs1.hubspotusercontent-eu1.net/hubfs/143144902/Gemini-Blog/image-Nov-01-2026-01-25-14-0205-AM.jpeg", "inLanguage" : "en-us", "isPartOf" : { "@id" : "https://blog.blazingcdn.com/#website" }, "mainEntityOfPage" : { "@id" : "https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges", "@type" : "WebPage" }, "publisher" : { "@id" : "https://blazingcdn.com/#organization" }, "wordCount" : 2157 } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges#breadcrumb", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "item" : "https://blog.blazingcdn.com/en-us", "name" : "Blog", "position" : 1 }, { "@type" : "ListItem", "item" : "https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges", "name" : "What Is Video Transcoding? How It Works and How to Cut Costs", "position" : 2 } ] } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/en-us/overwhelmed-by-video-transcoding-challenges#faq", "@type" : "FAQPage", "mainEntity" : [ { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Transcoding in video streaming is converting a compressed source into multiple renditions with different codecs, bitrates and resolutions for an adaptive bitrate ladder. The player then switches between those renditions as bandwidth changes. Each transcode decodes the source and re-encodes it, so quality depends on both the source and the encoder settings." }, "name" : "What is transcoding in video streaming?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Video transcoding is lossy whenever it re-encodes with a lossy codec, which covers nearly every streaming workflow. Each generation discards detail and can amplify artifacts already present in the source. Starting from a high-bitrate mezzanine and transcoding once to each target, rather than chaining transcodes, keeps the loss to a single generation." }, "name" : "Is video transcoding lossy?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Encoding compresses raw, uncompressed frames into a codec, while transcoding takes an already-compressed video, decodes it and encodes it again into a different format. Both use the same encoder software or hardware. The practical difference is that a transcode inherits every artifact of its compressed input and adds a second round of loss." }, "name" : "What is the difference between transcoding vs encoding?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Video transcoding for live channels usually belongs on GPU or dedicated hardware encoders, because they sustain real-time throughput at high density. VOD transcoding often favors CPU encoders such as x265 or SVT-AV1, which deliver better quality per bit at slow presets. Measure VMAF per dollar on representative content before committing." }, "name" : "Should video transcoding run on GPU or CPU?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Managed video transcoding typically costs from under $0.01 to above $0.03 per output minute, depending on resolution, codec and features, based on published per-minute rates. A six-rung ladder multiplies that by six. For popular titles, delivery of the resulting bytes usually costs far more than the one-time transcode." }, "name" : "How much does video transcoding cost per minute?" } ] } ```