Hulk Voice Impression: Sound Like Bruce Banner & the Green Giant
The hulk voice impression is really two entirely separate voice challenges sharing one character — and the contrast between them is what makes Mark Ruffalo’s MCU performance so technically interesting to dissect and recreate. Bruce Banner is a soft-spoken, nervous, deliberately controlled mid-tenor scientist who has spent his career learning to keep a lid on everything. The Hulk is a sub-baritone force of nature that turns sentences into blunt objects. Getting either one right in isolation is achievable with the right voice mod settings; getting both and being able to switch between them in the middle of a Discord RP session is where the impression becomes genuinely impressive.
This guide covers the full acoustic anatomy of Banner’s controlled tenor, the Hulk’s rage baritone, the Smart Hulk Endgame fusion register, and the transitional moment — “you wouldn’t like me when I’m angry” — that sits between them. It also covers Lou Ferrigno’s classic TV Hulk, briefly touches on Eric Bana’s 2003 and Edward Norton’s 2008 film versions, and gives you concrete voice mod settings for each mode in VoxBooster or any real-time voice changer.
TL;DR
- Bruce Banner speaks in a controlled mid-tenor with deliberate restraint — no weight, no resonance, actively suppressing physical size.
- The Hulk rage voice requires -8 to -10 semitones pitch, -4 to -5 formant shift, heavy distortion, and broad low-end EQ.
- Smart Hulk (Endgame) is the fusion: Banner’s control in a -3 to -4 semitone register, patient and measured.
- The “you wouldn’t like me when I’m angry” technique lives in restraint, not volume.
- Lou Ferrigno’s classic TV Hulk is less processed but more articulate; the MCU version is designed for cinematic scale.
- For Discord RP, build three presets and hotkey between them based on scene state.
- Also see the Thor voice impression guide and Iron Man voice impression guide for the full MCU Avengers roster.
The Two Voices of One Character
Mark Ruffalo joined the MCU in 2012’s The Avengers and has portrayed Banner and the Hulk across seven films. His interpretation differs fundamentally from the two previous live-action versions — where Eric Bana (2003, Ang Lee’s film) played Banner with a quiet intensity that leaned melancholic, and Edward Norton (2008, The Incredible Hulk) brought a leaner, more coiled threat to Banner’s suppressed anxiety, Ruffalo’s Banner is specifically a man who has accepted what he is while still carrying the weight of that acceptance.
That choice plays out directly in the voice. Ruffalo’s Banner is not fearful — he is careful. His voice communicates the ongoing effort of containment rather than fear of what might happen. And his Hulk is not just angry — it is raw id, the unfiltered force that Banner has built his entire personality around managing.
The result is one of the most technically interesting character voice dualities in the MCU: two registers that share a body but are acoustically opposed on every axis.
Bruce Banner: The Controlled Tenor
Acoustic Anatomy
Banner’s voice lives in the mid-tenor range — roughly 140-165 Hz fundamental — which is softer and slightly higher than a typical adult male baritone. But pitch is not the defining characteristic. What makes Banner’s voice recognizable is the quality of deliberate restraint that Ruffalo builds into every delivery.
Specific acoustic qualities:
Slightly nasal forward resonance. Banner is a scientist, a thinker — his voice lives in the front of his head more than his chest. This gives it a slightly academic quality, not bombastic, not physically imposing. There is intelligence in the placement.
Controlled breathiness. Not breathy in a relaxed way — controlled in a careful way. Banner tends to manage his airflow very precisely, as if letting go of breath control might let something else go as well.
Minimal chest engagement. Even when Banner is agitated or afraid, his voice does not pull downward into chest resonance the way a naturally deep voice would. He actively avoids the lower register. This is the physical acting equivalent of keeping a lid on something — and it translates directly into the acoustic character.
Deliberate cadence. Banner speaks at a measured pace that is slightly more formal than casual conversation. He tends to complete sentences carefully. He does not rush even when frightened, because hurrying might mean losing control of the next thing.
The “You Wouldn’t Like Me When I’m Angry” Register
This line — from a scene in The Incredible Hulk (2008) with Norton and reproduced in various forms throughout the MCU — is the single most important moment in understanding Banner’s vocal technique.
The line works because it is understated. Banner delivers it at his most controlled — soft, measured, slightly formal. The threat is not in his voice; it is in the implication of what his voice is replacing. He is the quiet before something that cannot be quieted.
How to deliver it:
- Start from a calm, conversational pace. No edge, no aggression.
- Pause before “angry” as if choosing the word with care — or as if it costs something to say.
- Let the sentence end completely flat, with no upward inflection. It is a statement, not a warning. The difference is subtle and important.
- The quieter you deliver it, the more effective it is.
This line is the reason Banner’s controlled voice matters technically. Without understanding the constraint, the contrast when the Hulk voice hits has no impact.
The Hulk Rage Voice: Acoustic Anatomy
The Hulk’s voice in the MCU is an extreme version of the sub-baritone register — below the normal male voice range and processed heavily to convey physical scale that no human actor can naturally produce.
Key acoustic parameters:
Extreme sub-baritone fundamental. The Hulk’s speaking voice sits roughly in the 50-70 Hz range — below the typical male bass floor of 80 Hz. At this pitch level, the voice has more in common with percussion than speech. Words become events.
Heavy harmonic distortion. The rasp, gravel, and growl that define the Hulk voice are produced by controlled vocal fry and throat constriction, then amplified in processing. In a voice changer, this translates to moderate-to-high harmonic distortion drive — you want the voice to sound like it is producing secondary harmonics above the fundamental, adding texture and aggressiveness.
Broad low-frequency energy. Unlike Banner’s nasal-forward placement, the Hulk’s voice is all low-end. There is a broad boost from 80 Hz to 200 Hz that gives the impression of mass — as if the voice is emanating from a torso the size of a refrigerator.
Short, declarative syllable patterns. The Hulk does not use complex sentence structures. “HULK SMASH.” “HULK STRONGEST.” “LEAVE HULK ALONE.” The grammar is simplified, the vocabulary is short, and each word arrives like an impact. This is as important for the impression as any acoustic parameter.
Physical scale reverb. At cinema scale, the Hulk’s voice in enclosed spaces carries a room reverb that suggests he is physically larger than the room around him. A large room setting at 15-25% wet recreates this quality in a live voice changer.
HULK SMASH: Delivering the Iconic Line
“HULK SMASH” is the two most practiced words in any Hulk impression, and most people deliver them wrong in the same way: they shout, which produces a strained, high-pitched effort voice that does the opposite of what the line requires.
The Hulk does not strain. The Hulk does not need to. Volume and effort are human problems.
How to deliver it correctly:
- Drop to the lowest register you can achieve without straining. The voice comes from the back of the throat and the chest, not the nasal passages.
- Speak the words from that low register at moderate volume. The power comes from pitch and resonance, not from effort.
- Separate “HULK” and “SMASH” with a full beat — as if each word is its own impact event.
- Both words land flat, with no rising inflection. The Hulk is not asking. He is announcing.
- Let the second word decay naturally without trailing off.
With a voice changer running the rage preset, the combination of your physical delivery and the processing produces the full effect. Your job is the phrasing and the lack of effort; the software handles the pitch and the scale.
Smart Hulk (Endgame): The Fusion Register
Avengers: Endgame introduced Smart Hulk — the version of the character that reconciles Banner’s intellect with the Hulk’s physicality. This is the single most interesting voice acting challenge in the Hulk catalogue because it requires holding both poles simultaneously.
What Smart Hulk Sounds Like
Smart Hulk’s voice is a conscious fusion. It is:
- Deeper than Banner — the physical size of the Hulk body is present in the resonance
- Controlled like Banner — patience, vocabulary, full sentences, measured pace
- Warm and slightly amused — Smart Hulk has arrived at a kind of contentment that neither Banner nor the rage Hulk ever had
The result sits acoustically between the two extremes: a -3 to -4 semitone shift from neutral that gives weight without going to the sub-baritone floor, with a measured pace and no distortion. Think of it as a very large man who is genuinely comfortable with being very large.
Smart Hulk Delivery Notes
- Complete sentences, full vocabulary, professorial cadence
- The voice is deeper than Banner but the delivery is patient, never explosive
- Slight humor in the pace — Smart Hulk tends to pause slightly before and after quips as if aware of the absurdity of a very large green scientist making a dad joke
- No strain, no anger — the physical tension that Banner’s voice carries is gone
“I have an appetite for science” or the snap scene’s quiet “It’s okay” are the benchmark Smart Hulk moments — controlled depth, not performed rage.
Voice Mod Settings: All Three Registers
Bruce Banner (Controlled Nervous Scientist)
| Parameter | Setting | Notes |
|---|---|---|
| Pitch shift | +1 to +2 semitones | For baritone voices raising to Banner’s tenor range |
| Formant shift | +0.5 semitones | Slight brightness, removes chest weight |
| Low-end EQ (80-150 Hz) | -3 dB | Cut bass to remove physical weight |
| Mid EQ (300-600 Hz) | -1 dB | Reduce body |
| Presence EQ (2-4 kHz) | +2 to +3 dB | Academic brightness, intellectual quality |
| Air EQ (8-12 kHz) | +1 dB | Adds the nasal clarity of a thinker |
| Compression | Light, 2:1 | Controlled, even delivery — Banner does not fluctuate |
| Reverb | Minimal dry room, 5% wet | No space, no size — Banner takes up as little room as possible |
| Distortion | None | Deliberately none |
Smart Hulk (Endgame — Fusion Register)
| Parameter | Setting | Notes |
|---|---|---|
| Pitch shift | -3 to -4 semitones | Below Banner, above rage mode |
| Formant shift | -1.5 to -2 semitones | Adds chest weight, suggests large body |
| Low-end EQ (100-200 Hz) | +3 dB | Physical presence without sub-bass overload |
| Low-mid EQ (200-400 Hz) | +2 dB | Body and warmth |
| Presence EQ (2-3 kHz) | +1 dB | Keep some Banner intellectual clarity |
| Compression | Moderate, 3:1 | Controlled; Smart Hulk is not chaotic |
| Reverb | Medium room, 20ms, 12% wet | Slight physical scale but not overwhelming |
| Distortion | None | Smart Hulk has no anger artifacts |
Rage Hulk (Maximum Threat / HULK SMASH)
| Parameter | Setting | Notes |
|---|---|---|
| Pitch shift | -8 to -10 semitones | Sub-baritone floor; below normal male range |
| Formant shift | -4 to -5 semitones | Massive vocal tract scale — the Hulk is not human-sized |
| Low-end EQ (80-200 Hz) | +6 to +8 dB | Extreme low-end mass — the voice as physical event |
| Low-mid EQ (200-400 Hz) | +3 dB | |
| High-mid EQ (2-4 kHz) | -2 dB | Cut brightness — the Hulk has no academic quality |
| High-shelf EQ (>6 kHz) | -3 dB | Remove air and clarity — adds to raw, unrefined character |
| Distortion/Saturation | Heavy, 40-60% drive | Defines the gravel and growl |
| Compression | 4:1 with fast attack | Keeps the dynamics tight; Hulk hits consistently |
| Reverb | Large room, 30ms, 20-25% wet | Physical scale — the voice needs space around it |
| Noise gate | On, -25 dBFS | Prevents distortion from running on background noise |
Comparing MCU Hulk Versions: Mark Ruffalo vs. the Classics
The Hulk has appeared across multiple actors and decades, and each version carries a different vocal philosophy.
| Actor / Version | Year | Banner Tone | Hulk Voice Style | Vocal Priority |
|---|---|---|---|---|
| Lou Ferrigno (TV) | 1977-1982 | Not portrayed by Ferrigno (Bill Bixby as Banner) | Raw deep growl, relatively articulate | Physical presence without extreme processing |
| Eric Bana (film) | 2003 | Melancholic, quiet intensity | Minimally voiced; Hulk vocalizes more than speaks | Emotional interiority |
| Edward Norton (film) | 2008 | Coiled, lean, anxious energy | Deep but more controlled than MCU version | Physical threat; Banner as prisoner |
| Mark Ruffalo (MCU) | 2012-2023 | Careful, warm, suppressed weight | Cinema-scale processed baritone, rage-focused | Duality; Smart Hulk as resolution |
Lou Ferrigno’s Classic TV Hulk
Lou Ferrigno’s Hulk is worth understanding on its own terms. The 1977-1982 CBS television series built the Hulk voice as something a very large man could actually produce naturally — deep, raw, with the gravel of genuine vocal fry rather than heavy signal processing. Ferrigno used his own voice with relatively modest post-production adjustment.
The result is different from the MCU version in a specific way: the TV Hulk sounds like an angry person of exceptional size. The MCU Hulk sounds like a scale event. For impression purposes, the TV version is more achievable naturally — the pitch requirements are less extreme, the distortion is lighter, and the character reads as “very angry large man” rather than “force of nature.”
For impression work: the Ferrigno vocal technique relies more on physical chest resonance and genuine vocal fry than pitch-shifting. If you can produce a natural chest-heavy low growl and sustain the vocal fry register, the TV Hulk is well within range without heavy processing.
Eric Bana and Edward Norton
Both pre-MCU Banner portrayals leaned toward a more contained, internal performance that positioned Banner primarily as a man in distress. Bana’s version was quieter and more melancholic. Norton’s was more coiled and ready to detonate. Neither version developed the duality arc that Ruffalo carried across a decade — the Smart Hulk resolution required the full MCU story structure to earn.
For impression work, either pre-MCU Banner has a tighter, more obviously suppressed quality than Ruffalo’s version. The accent for both is straight American, no regional inflection that stands out.
The Four-Mode Drill: Practicing All Registers
Mode 1: Banner at Rest
Record yourself reading a scientific explanation in Banner’s register. Aim for clear, measured, slightly formal delivery. Remove all aggression and all physicality. The voice should sound like someone who has very carefully decided not to be loud about anything.
Practice line: “The gamma radiation interacts with the cellular structure in ways I’m still working to understand.”
Mode 2: Banner Under Stress — The Warning Register
The “you wouldn’t like me when I’m angry” mode. Same baseline as rest, but now there is something being held back. The voice gets slightly quieter, not louder. The pace slows marginally. The formality increases slightly as a containment mechanism.
Practice line: “You need to lower your weapon. I’m asking you to trust me on this.”
Mode 3: Smart Hulk (Endgame)
Move to the deeper Smart Hulk register. Full sentences, measured pace, warm and patient delivery. The voice is comfortable with its own depth.
Practice line: “For the past five years I’ve been trying to work out the way to lose the green guy and keep his power. I think I can do this.”
Mode 4: Rage Hulk — Full Transformation
Drop to the bottom of your natural range and activate the rage preset. Short words, detonated delivery, nothing wasted. The voice is not a voice at this point — it is an announcement of force.
Practice line: “HULK STRONGEST ONE THERE IS.”
Setting Up Banner-to-Hulk Transitions in Discord RP
The most technically impressive element of a Hulk Discord RP setup is the live transition — moving from Banner’s nervous tenor to the rage baritone mid-conversation. Done well, it is the most effective character voice switch in the MCU roster because the contrast is so extreme.
Step 1 — Install a real-time voice changer. VoxBooster creates a virtual microphone output on Windows 10/11 with no kernel driver. Your actual microphone feeds into the software; the processed signal outputs to the virtual device that Discord uses.
Step 2 — Build all three presets. “Banner” (bright, nervous tenor), “Smart Hulk” (controlled deep baritone), and “Rage Hulk” (extreme low, heavy distortion). Name them clearly.
Step 3 — Assign hotkeys. Three presets need three keys that are accessible mid-conversation. F5/F6/F7 work without conflicting with Discord shortcuts. Test the switches until you can hit them without looking.
Step 4 — Configure Discord. Settings > Voice & Video > Input Device: select the VoxBooster virtual microphone. Use push-to-talk to prevent idle noise from running through the distortion chain on the rage preset.
Step 5 — Run the transition rehearsal. Practice switching presets at the moment a line is meant to break — Banner saying “you wouldn’t like me when I’m angry” on the Banner preset, then immediately switching to Rage Hulk for the next line. The gap between presets should feel like the transformation itself.
For the full Discord voice routing setup, see the voice changer Discord guide.
Hulk at MCU Cosplay Events
Hulk cosplay voice work at conventions has specific challenges: the costume often covers the face, and the floor environment is loud.
Physical projection for Hulk. The Hulk does not strain — he emanates. When projecting for floor noise, push volume from the diaphragm while keeping the voice in the low chest register. Do not allow the voice to rise in pitch under volume stress. The Hulk’s voice stays low regardless of how loud it gets.
Banner cosplay voice (plain clothes or science lab version). Bruce Banner at a convention is an exercise in understated presence. Quiet, measured, the occasional rueful self-awareness. “I’m always angry” — delivered flat, with a slight pause before “always” — is one of the most effective single-line convention floor moments for this character.
The signature line selection. For cosplay interactions, the highest-impact Banner line is the understated threat. The highest-impact Hulk line is kept short — two or three words maximum. “HULK SMASH” needs no setup. “HULK STRONGEST” covers any competition. Adding more words reduces the impact.
For broader MCU cosplay voice work, see the voice changer for cosplay guide.
Hulk Voice Mod in Gaming and Streaming Scenarios
For streamers and gaming content creators, the Banner-to-Hulk voice dynamic opens specific use cases.
Gaming voice chat during MCU-themed sessions. Marvel Rivals includes characters who interact with Banner and the Hulk canonically. Running Banner’s preset during setup and tactical discussion, then switching to rage Hulk for combat commentary, adds character depth to streaming content.
Roleplay servers. The three-preset setup (Banner, Smart Hulk, Rage Hulk) covers the full character arc. Discord RP servers running Avengers scenarios benefit significantly from a correctly calibrated Smart Hulk voice for Endgame-era scenes — it is the most nuanced of the three and the hardest to find in other players.
Streaming reaction content. The Banner-to-Hulk transition — delivered at the right moment in a reaction stream — is a strong moment. The preset switch is invisible to the audience; what they hear is the voice transformation, which lands as a performance rather than a technical trick.
For platform-specific streaming voice setup, see the voice changer for roleplay guide.
Voice Changer Comparison for the Hulk Preset
The Hulk rage voice specifically demands the widest pitch range of any MCU character impression. Formant shifting is essential — without it, dropping 8-10 semitones produces a robotic slow-tape effect rather than a physically massive voice.
| Tool | Real-Time | Formant Shift | Distortion Module | Preset Hotkeys | No Kernel Driver |
|---|---|---|---|---|---|
| VoxBooster | Yes | Yes | Yes | Yes | Yes |
| Voicemod | Yes | Limited | Partial | Yes | Optional |
| MorphVOX | Yes | No | Yes (basic) | Yes | No |
| Clownfish | Yes | No | No | No | No |
| Voice.ai | Yes | Yes | Limited | Yes | No |
For the Hulk preset at -8 to -10 semitones with independent formant control, you need a tool that handles both simultaneously. Without formant shift, extreme pitch drops sound artificial. Without a dedicated distortion module, the gravel quality is not reproducible from EQ alone.
Common Mistakes in Hulk Voice Impressions
Shouting instead of lowering. The most common error. Shouting pushes the voice thin and high. The Hulk’s voice goes lower and wider, not higher and louder. If your impression makes your throat strain, you are doing the wrong thing.
Ignoring Banner entirely. Many people practice the Hulk voice without spending equal time on Banner. Without Banner’s controlled restraint, the Hulk has no contrast to land against. The impression is half of what it could be.
Over-distorting the rage preset. Distortion at 70%+ drive destroys consonant intelligibility. The words become noise. Keep drive in the 40-60% range and listen specifically for whether “HULK SMASH” remains two identifiable words, not one texture.
Forgetting Smart Hulk. Smart Hulk is the most nuanced and least replicated of the three voices. It is also the most useful for extended RP sessions because it can carry entire conversations. Practice the fusion register as seriously as the extremes.
Wrong reverb for Banner. Banner with any significant room reverb sounds bigger than he should. Dry room or near-dry for Banner is non-negotiable. The absence of space is part of the character.
Using the same reverb for all three modes. Each mode needs a different spatial character: Banner near-dry, Smart Hulk medium room, Rage Hulk large room. The reverb is not decoration — it communicates physical scale, and the scale changes radically between modes.
Frequently Asked Questions
How do I do a Hulk voice impression?
The MCU Hulk rage voice is a compressed sub-baritone — drop pitch 8 to 10 semitones, shift formants down 4 to 5 semitones, add heavy harmonic distortion at 40-60% drive, and push a broad low-end EQ boost from 80 to 200 Hz. The key is the guttural chest-to-throat delivery: words are short, blunt, and detonated rather than spoken. Practice “HULK SMASH” as two separate impacts with a breath between them.
What are the voice mod settings for the Bruce Banner nervous scientist voice?
Banner’s baseline is a soft mid-tenor around 140-160 Hz with a slight nervous nasal quality. In a voice changer, raise pitch 1 to 2 semitones from a natural male baritone, boost presence EQ at 2-4 kHz slightly, keep reverb minimal (dry room, 5% wet), and add very light compression at 2:1. The key is what you do NOT add: no distortion, no low-end boost, no heaviness. Banner sounds like someone actively suppressing weight.
How does the Bruce Banner voice differ from the Hulk voice mod settings?
They sit at opposite ends of every parameter. Banner: +1 to +2 semitones pitch, minimal formant adjustment, bright-forward EQ, almost no reverb, light compression. Hulk rage: -8 to -10 semitones pitch, -4 to -5 formant shift, heavy low-end EQ, strong distortion, and a large room reverb to simulate physical scale. Smart Hulk (Endgame) sits between them: -3 to -4 semitones, moderate formant shift, calm delivery with underlying weight.
What is the “you wouldn’t like me when I’m angry” voice technique?
This line works because of the contrast: Banner delivers it quietly in his controlled tenor, which makes the implied transformation more threatening than any loud delivery could. The technique is deliberate restraint — keep the voice soft, slightly formal, with a pause before “angry” as if weighing the word. The threat lives in the stillness, not in volume. A voice changer can reinforce this by running Banner’s preset at that moment and switching presets for any following Hulk line.
How do I do the Smart Hulk Endgame voice?
Smart Hulk’s voice is Mark Ruffalo’s natural mid-baritone with a measured, thoughtful pace. It is NOT the rage baritone — it is deeper than Banner but fully controlled. Set pitch at -3 to -4 semitones, formant shift -1.5 to -2 semitones, low-mid EQ boost at 150-300 Hz, light room reverb (20ms, 12% wet). The delivery is patient, slightly amused, never explosive. Think of it as Banner finally at peace in a very large body.
Is there a Hulk voice changer for Discord roleplay?
Yes. Use a real-time voice changer like VoxBooster that creates a virtual microphone output on Windows. Build two or three presets: Banner (mid-tenor, bright, nervous), Smart Hulk (controlled deep baritone), and Rage Hulk (extreme low, heavy distortion). Assign them to hotkeys so you can switch mid-scene. Select the virtual mic in Discord’s Voice & Video settings and it routes to every server and call automatically.
How does Mark Ruffalo’s MCU Hulk compare to Lou Ferrigno’s classic TV Hulk voice?
Lou Ferrigno dubbed the classic 1970s-1980s TV Hulk with a raw, unprocessed deep growl — heavy but relatively articulate compared to the MCU version, with less extreme pitch processing and more natural chest resonance. Ruffalo’s MCU Hulk (via Andy Serkis’s motion capture vocal work) is a modern processed version built for cinema: more extreme pitch range, higher distortion levels, and designed to accompany massive visual scale. The Ferrigno version sounds like a very large angry man; the MCU version sounds like a geological event.
Conclusion
The hulk voice impression rewards technical depth more than most character voices because the contrast between Bruce Banner’s controlled restraint and the Hulk’s rage baritone is so wide. Banner’s nervous mid-tenor is as important to get right as the sub-baritone smash voice — the impression only lands fully when both extremes are calibrated and you can move between them in real time.
Smart Hulk (Endgame) is the most nuanced and least practiced of the three modes, and it is worth serious time: it is the version of the character who can actually hold a conversation, carry an RP session, and communicate both the Banner intelligence and the Hulk’s physical weight simultaneously.
On the technical side, the Hulk rage preset demands more from a voice changer than almost any other MCU character — the pitch drop is the most extreme, the formant shift requires significant downward movement to avoid the robotic effect, and the distortion module has to be capable enough to add gravel without destroying word intelligibility.
VoxBooster handles all three modes on Windows 10/11 with no kernel driver, sub-10ms latency, and a virtual microphone that routes to Discord, OBS, and any Windows game or application. The Banner-to-Smart Hulk-to-Rage Hulk preset stack can be built and assigned to hotkeys in under ten minutes.
For the full MCU Avengers voice toolkit, the Thor voice impression guide covers the Asgardian baritone, the Iron Man voice impression guide covers the mid-tenor wit, and the voice changer for cosplay guide covers live event strategy across the full roster.
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