Best AI music API: Suno has none
Suno has no public music API, only a curated partner form. ElevenLabs Music is the self-serve vocal API. Lyria is about $0.08 per full-length song for beds.
8 min read
Best lip sync API: Sync Labs $0.04/sec
Sync Labs is the batch lip sync API, from $0.04 per second on lipsync-2, with webhooks. HeyGen speed mode is $0.0333 per second. Hedra fits stylized inputs.
10 min read
Best Text-to-Speech API in 2026: Pick by Constraint
Compare text-to-speech APIs on latency, price per 1,000 characters and languages: Cartesia, ElevenLabs, Deepgram. Hume's API closes 13 November 2026.
9 min read
Run a Broadcast-Safe Pass Before Delivery
RGB and composite illegal values still fail cable and FAST QC. A Rec.709 16–235 checklist, a legalizer after the grade, and a stills compare to keep the look.
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Build a Show LUT for Mixed AI Footage
A CDL-plus-LUT recipe so mixed-model shots sit on one timeline, a stills chart to test it, and the rule for when to regenerate instead.
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Caption Accuracy Targets and a Spot-Check
Looks fine is not a rate. Set a word-error-rate target, count punctuation and speaker misses, and sample a 200-clip library instead of reading every file.
9 min read
Time Captions to Shot Changes, Not Only Speech
Captions timed only to speech feel late at cuts and cover new faces. Shot-change rules, lead-in/out frames, and a QC pass that never covers a new speaker.
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Chapters as Keyboard Navigation for Long Video
Treat chapter lists as a keyboard skip map. Write titles that match the transcript, keep every marker reachable, and skip chapters on a 90-second spot.
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Characters-Per-Second Limits by Language
English CPS caps wreck German, Finnish, and CJK. Starting CPS and CPL figures by script, and a QC method for cutting captions without changing what was said.
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Cheapest AI Voice APIs in 2026
Compare AI voice API cost per minute in 2026. Cartesia and ElevenLabs price differently; convert credits into real project spend before you pick.
8 min read
Checksummed Transfers for Client Masters
Ship masters with an xxHash manifest and packing list, plus a rule for WeTransfer versus Aspera, Signiant, MASV, or a physical drive.
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Closed GOP and Keyframes for Editable Masters
Specify closed GOP, a one-second I-frame interval, and a transcode-on-ingest so a human editor can recut generated MP4s without a render farm.
9 min read
Color is not the only indicator in graphics
Generated infographics encode meaning in hue. Add patterns, labels, and shape so a color-blind viewer can read the chart, then check deuteranopia.
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Conform Generated Proxies to Online Masters
Relink rules, hashes, Rec.709 tags, and a missing-media protocol for when a regen changes the filename the online expects.
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Write Color Tags on Every Export
Players guess Rec.709 and gamma 2.2 when nclc and colr are missing, so grades shift after upload. Tag Rec.709, P3 and PQ, then inspect before you send.
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Cut M&E Stems Before You Need a Dub
Keep DX, MX, FX and optional ambience as separate files, with a sync pop, so a later-language dub is a voice swap, not a remix.
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DCP Basics for a Festival or Pop-Up
A DCP is JPEG 2000 picture in MXF, uncompressed PCM audio in MXF, plus XML for the cinema server. Not an H.264 file on a USB stick.
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De-Ess Generated Voices Without a Lisp
TTS and clones hiss in a way live VO does not. A split-band de-esser setup, and when the real fix is a different take or engine rather than more processing.
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A Delivery Spec Sheet With Every Master
A signed one-pager for codec, luma range, loudness, captions, textless and checksum, so the master the client accepts is the file you send.
8 min read
Describe On-Screen Text in the AD Track
Rules for reading supers, prices, and URLs in audio description without hitting the VO, and when a textless-plus-VO cut is the cleaner deliverable.
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Check Dialogue Intelligibility Before Sign-Off
Pass a speech-to-noise check and a mono phone test before sign-off, and fix masked words with EQ and reverb moves rather than raising the VO.
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EN 301 549 Rules That Hit Brand Players
Beyond the EAA overview: EN 301 549 clauses that actually fail brand video players. A clause-to-control map and a retest after a player redesign.
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Extended AD When the Cut Is Too Fast
When a social cut has no silence for standard AD: freeze, extend, or ship a second described cut, and brief the editor so both versions stay in sync.
8 min read
False Color Before You Touch the Grade
A 30-second false-color pass that flags clipped highlights and muddy faces before any LUT, with the IRE bands to watch on generated skin and chrome.
9 min read