orca forge

Building AI avatars solo — voice, lip-sync, 24/7 streaming, and the agents that run them. I write up what broke and the numbers I measured. Japanese originals at forge.workstyle.tech

Japan Joined on Jul 17, 2026 https://forge.workstyle.tech/?utm_source=devto&utm_medium=profile

orca forge

Oct 4

Stuck on 'Running' for 3 Days After Morning Update

#claudecode #cron

5 min read

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orca forge

Oct 3

We've Released Voice Canvas as OSS: Easily Create Your Favorite Voice

#opensource #voicecanvas #seedvc #claudecode

11 min read

orca forge

Oct 3

Automatically Generating OGP Images for Each Article on Astro Blog

#astro #ogp

8 min read

orca forge

Oct 2

Jev vs Local Models: Where Japanese Intent Routing Stands After 1,000 Utterances

#llm #ai #evaluation #japanese

12 min read

orca forge

Oct 2

Facial expressions must be crafted as drawings to be readable on small screens

#img2img #flux

3 min read

orca forge

Oct 1

After Removing the Background, the Characters Became Semi-Transparent Too

#ffmpeg #colorkey

3 min read

orca forge

Oct 1

The Boundary for Head Replacement Should be at the Chest, Not the Jaw

#ffmpeg #infinitetalk

3 min read

orca forge

Sep 30

'Too Descriptive'—I had AI rewrite the first line of my post three times

#sns #ai

3 min read

orca forge

Sep 30

From Sanity to Madness

#ai

4 min read

orca forge

Sep 29

Two Lines of Instruction Are Enough AI Finishes the Job When Rules Are in the Repository

#codex #claudecode #ai

3 min read

orca forge

Sep 29

When GPU Resources Run Dry, It Still Looks Like Everything Is Working: A Tale of Two AI Competing for VRAM

#gpu #vram #claudecode

3 min read

orca forge

Sep 28

Creating 24 Videos with Zero Errors: The Unstoppable Design Driver

#ai #codex #claudecode

3 min read

orca forge

Sep 28

2,900 Impressions, 279 Views, and Almost Everyone Watched to the Punchline — The Only Problem Was the Entrance

#youtube #tiktok #sns

3 min read

orca forge

Sep 27

Safety Design for Satirical Videos Featuring Real-World Executives — What We Avoid Drawing and What We Verified

#ai #sns

4 min read

orca forge

Sep 27

I Had AI Play a 12-Person Production Team — 160 Million Tokens Vanished in a Day and a Half

#claudecode #codex #ai

7 min read

orca forge

Sep 26

Lip-Sync Design for Swappable TTS Products: Why We Avoided Phoneme Timing and the Conditions for Its Adoption

#tts

4 min read

orca forge

Sep 26

Fixing Exaggerated VRM Lip Sync by Tuning Mouth Opening with Saturation Rate and Quantiles

#vrm #ux

5 min read

orca forge

Sep 25

Vowel estimation accuracy varies by pronunciation order and duration: Creating TTS evaluation data and two measurement pitfalls

#tts

6 min read

orca forge

Sep 24

What Happens When Assigning Frequency Bands to 5 Vowels? - Misclassification and Spectral Tilt Verified in Synthetic Speech of 3 Speakers

#dsp

5 min read

orca forge

Sep 24

VRM Lip Sync with RMS — Minimal Implementation with 'aa' and Conditions for a Natural Look

#vrm #webaudioapi #threejs

6 min read

orca forge

Sep 21

Avatar Lip Sync Implementation Guide — Usage and Limitations of Volume, Vowel Estimation, and Phoneme Information

#vrm #webaudioapi

5 min read

orca forge

Sep 21

Two Events with the Same Name: An Audio Pipeline Mix-Up I Fell for Three Times

#pipecat #webrtc

4 min read

orca forge

Sep 20

I thought I was measuring one thing, but I was actually measuring something else — I almost fixed something that didn’t need fixing

4 min read

orca forge

Sep 20

Not every utterance is a question — it was returning page descriptions for 'Can you hear me?'

#iso246172

2 min read

orca forge

Sep 19

The Cause of Wrist Skin Collapse is Skinning, Not Pose

#blender #vrm #3dcg #wsl

13 min read

orca forge

Sep 19

Thumbs Up with a Twist - Correction and Smoothing of Grip

#python #3dcg #blender

3 min read

orca forge

Sep 18

Elbow Interference Correction Jumps Back and Forth

#python #numpy #3dcg

12 min read

orca forge

Sep 18

When I Shortened the Leg by 1%, the Knee Bent by 16 - A Pitfall in VRM Grounding Correction

#python #numpy #3dcg #blender

11 min read

orca forge

Sep 17

The angle between the head and chest was 0.000 in every frame: The time my motion tracking was broken

#python #3dcg

12 min read

orca forge

Sep 17

Making a VRM Character Dance from a Single Live-Action Video: Fixing Leg, Arm, and Finger Clipping After Estimation

#blender #python #3dcg #vrm

11 min read

orca forge

Sep 16

Apology Messages Were Tainting the Next Search — A Loop of Failure Strengthening Itself

#rag #llm

4 min read

orca forge

Sep 16

My smartphone fingers were breaking the echo cancellation — speech cutting out due to non-verbal sounds

#vad

5 min read

orca forge

Sep 16

The single line at the end of the massive prompt was ignored all four times

#llm #rag

5 min read

orca forge

Sep 15

Mic Doesn't Return Even After Reconnecting — It Was the Old Microphone Marked for Disposal That Was Enabled

#webrtc #react

6 min read

orca forge

Sep 15

'That,' 'this page,' and 'that one' are different: 1 win and 3 losses by treating pronouns uniformly

#rag

6 min read

orca forge

Sep 15

Echo Issue Went Unnoticed as It Never Triggered

#pipecat

4 min read

orca forge

Sep 7

Half of Free LLM APIs Were Dead After 2 Months

#llm #api #litellm #ai

6 min read

orca forge

Sep 6

18 Insights from Mass-Producing Voice Models — From Diffusion TTS Voice Design to Training Corpus Creation and Quality Gate Pitfalls

#tts #mlops

5 min read

orca forge

Sep 5

Chasing Unmeasured Metrics with Thresholds Always Leads to Failure — A Tale of 10 Mistakes in One Day

#debugging #softwaredevelopment #softwareengineering

7 min read

orca forge

Sep 5

Overwriting Each Other’s Work with Every Deployment — 3 Rollback Incidents in 2 Sessions

#kubernetes #cicd #git

6 min read

orca forge

Sep 5

Four Registration Paths, Zero Management Screens — How Audio Asset Catalogs Became Unmanageable

#mlops

7 min read

orca forge

Sep 4

From 'ja' to 'JP': How a Jabbering Model Emerges - A Catalog of Pitfalls in Speech Learning

#tts #gpu #kubernetes

6 min read

orca forge

Sep 4

70 Minutes of Learning Material Lost in a Network Blink

#mlops #kubernetes

1 min read

orca forge

Sep 4

Defects Missed in Transcription — AI Speaks After 0.5-Second Silence

#tts #whisper

7 min read

orca forge

Sep 3

Dropping Candidates Due to Fixable Defects — A Story of Measuring Factory Flaws as Product Personality

#tts #mlops

10 min read

orca forge

Sep 3

The '3-Character' Catchphrase That the Quality Gate Allowed Became the Model's Habit

#tts

10 min read

orca forge

Sep 3

Code for preventing hallucinations only failed during hallucinations

#tts #whisper

11 min read

orca forge

Sep 2

Why "shōshō" Became "shomo": A Whitelist Was Chipping Away at Japanese Characters

#tts #unicode

3 min read

orca forge

Sep 2

Where Did the AI Learn to Elongate Its "Konnichiwa"?

#tts #whisper

7 min read

orca forge

Sep 2

A single rough clip can ruin the entire style — 5 ways to choose the right ones

#tts

6 min read

orca forge

Sep 1

TTS that Changes 'Recording Location' Each Time It's Generated — Inconsistent Audio Quality Ruins Style

#tts

6 min read

orca forge

Sep 1

Speech Speed Cannot Be Changed After Learning — Parameters Are Accepted but Ignored

#tts

6 min read

orca forge

Sep 1

The Tighter the Quality Gate, the More the Flat Reads Survive — Selection Bias from Verification

#tts

8 min read

orca forge

Aug 31

Letting a machine pick 'narrator-like voices' from 24 candidates: The day I stopped choosing by ear

#tts

8 min read

orca forge

Aug 31

Gacha for Voices — One Line of Caption and a Random Seed Bring Back the Same Voice Every Time

#tts #mlops

6 min read

orca forge

Aug 31

TTS Chosen for Audio Quality Was Too Slow for Conversations — Real-World Tests Show 2.5x Speed Difference Between 'Design' and 'Production'

#tts #gpu

6 min read

orca forge

Aug 30

Twitch Accepts Invalid Keys and Silently Discards Them — The Hidden Pitfalls of Integration and a 41-Second Recovery

#twitch #oauth #sre

10 min read

orca forge

Aug 30

AI Creates, AI Delivers, AI Fails — Quality Assurance for Unwatched Systems

#sre #ai

8 min read

orca forge

Aug 30

How Many AI Avatars Can One GPU Handle? Real-World Test Reveals 4 Avatars at ¥7,600 Each per Month

#gpu #sre #docker

9 min read

orca forge

Aug 29

Why Chromium Was Ignoring My GPU — And How I Boosted Performance from 4fps to 58fps

#chromium #webgl #gpu #angle

10 min read

1 Week Community Wellness Streak

Writing Debut

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