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I have a 1 hour and 34 minute surveillance-video with voice recordings that are difficult to understand because of background noise and low volume. I need a forensic audio specialist to clean these files so every spoken word is as clear as possible, then deliver an accurate, time-stamped transcript 9 areas of interest (approximately 35 minutes.) You will receive the original digital file. with a list of the time stamps that are in question. Your job is to: • Apply professional forensic techniques—noise reduction, equalization, spectral editing, filtering, etc.—to maximise speech intelligibility without introducing artefacts. • Return both the restored audio • Provide a verbatim transcript, clearly time-coded, that aligns with the enhanced track (or confirmation that a reliable transcript is not possible) Please use industry-standard tools such as iZotope RX, Audacity with specialised plugins, or equivalent forensic software. A short sample before full delivery will help confirm that the clarity improvements meet expectations.
Project ID: 40598880
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23 freelancers are bidding on average $139 USD for this job

As a highly experienced and specialized audio professional, I would be an ideal fit for your project. Over my prolific 25-year career in audio location, sound design, and post-production, I have perfected my skills in forensic audio enhancement using the industry-standard tools such as iZotope RX, Audacity with specialized plugins, and equivalent forensic software you require. My mastery in noise reduction, equalization, spectral editing, filtering techniques ensures that every spoken word in your 1 hour 34 minutes surveillance-video file is as clear as possible without introducing any artefacts through profesional forensic processes. Moreover, my exceptional competence in mastering and audio production guarantees that not only will you receive the enhanced audio file but also a verbatim transcript that is clearly time-coded to align with the improved track. And with me, quality isn't just a promise; I'll provide a short sample before full delivery to ensure the clarity improvements meet your expectations. Not only am I perfectly qualified for this project due to my technical knowledge but my several accolades which include SATV & Film awards and an International Promax award prove my unmatched skill.
$250 USD in 2 days
8.0
8.0

Hi, i read your Project description It is very easy for me and I can complete your project according your requirements in next few hrs. You can award and send me details to start immediately. Please come over chat and discuss your requirement in a detailed way. Thank You
$75 USD in 1 day
5.8
5.8

Hi, I'd be happy to help with your forensic audio restoration project. I specialize in cleaning difficult recordings using professional tools such as iZotope RX and advanced restoration techniques to maximize speech intelligibility while preserving the integrity of the original audio. To ensure you're confident in the results, you can send me your recording, and I'll restore a short sample from one of your areas of interest. If you're satisfied with the improvement, we can proceed with a milestone and complete the full audio cleanup, or focus only on the specific sections you need enhanced. I'll also provide an accurate, time-stamped transcript of the requested portions. I look forward to helping you recover the clearest possible audio.
$250 USD in 4 days
5.3
5.3

Hello! I’m an audio enhancement specialist with a strong focus on cleaning background noise and boosting vocal clarity. Using professional tools such as Adobe Audition along with advanced sound restoration techniques, I can deliver crisp, high-quality audio tailored to your needs. I’m able to provide fast turnaround times and can begin right away. I’d be happy to share samples of previous work and walk you through the delivery schedule. Best Regards: Yasmeen Ahmad
$140 USD in 1 day
5.1
5.1

Hey, I am an audio forensic expert since 6+ years and I'd love to help enhance your audio and deliver a clear sounding speech unaffected by advanced noise removal. # MY EXPERIENCE * 6+ years of professional audio enhancement and audio forensics. * Worked with countless bad recordings over the years including legal audio evidences. * Skilled in advanced noise reduction, spectral repair, speech isolation from difficult recordings, professional forensic report etc. # TURNAROUND TIME * Fast turnaround - within a day * Unlimited revisions at no additional cost until you're completely satisfied with the end result. # FREE DEMO Feel free to send me the recording and I'll enhance a short sample and send it as a free demo so you can evaluate the quality before awarding the project. I look forward to hearing from you!
$60 USD in 1 day
4.8
4.8

Hello, I'd be happy to help with your surveillance audio restoration project. I specialize in **forensic audio enhancement** and have **10+ years of professional experience** restoring difficult recordings from surveillance cameras, CCTV systems, phone calls, doorbell cameras, and other low-quality sources. Using **iZotope RX Advanced**, **Adobe Audition**, and professional spectral restoration techniques, I'll maximize speech intelligibility while preserving the natural voice as much as possible. **What I can do:** * Professionally reduce background noise, hiss, hum, and other unwanted sounds. * Enhance low-volume voices and improve overall speech clarity. * Apply forensic techniques including spectral editing, equalization, filtering, de-noise, de-reverb (when applicable), and dialogue enhancement. * Deliver the enhanced audio in the highest possible quality. * Provide a **free sample** from one of your areas of interest before we proceed, so you can evaluate the improvement with confidence. Regarding the transcript, I want to be transparent: **I do not provide transcription services.** However, I will enhance the audio to make the voices **as clear, louder, and more audible as technically possible**, which will significantly improve the accuracy of any subsequent transcription. I'm ready to start **immediately** and can provide the sample **ASAP**. I look forward to demonstrating the quality of my work. Kind regards, **Jamil Ahmed**
$70 USD in 1 day
4.3
4.3

Hello! I'm a professional Audio Engineer and Mixing & Mastering Specialist with over 7 years of experience delivering high-quality audio for artists, podcasts, commercials, and media projects. My goal is to deliver clean, clear, and professional-quality sound that sounds natural, polished, and easy to listen to. I can help improve your audio through forensic analysis, removing background noise, balancing levels, reducing echoes, repairing issues, and ensuring smooth transitions throughout. Also, I can do Audio editing, fixing, mixing & mastering. I will turn your damaged audio into usable material by reducing or removing noises, clicks, pops, and reverb, and make your voice sound RICH and FULL. I am committed to quality, clear communication, and timely delivery. I would be happy to discuss your project and help bring your vision to life. Best regards, Rubab
$140 USD in 1 day
3.4
3.4

Hi there, I would be happy to process a short 10-15 second sample from one of your 9 areas of interest first, so you can evaluate the clarity improvement before committing. I am a forensic audio specialist with extensive experience in restoring low-quality surveillance recordings and producing accurate, time-coded verbatim transcripts. I work with industry-standard tools including iZotope RX Advanced, and spectral editing suites to maximize speech intelligibility while preserving natural audio quality without harsh artifacts. Here is my proposed approach for your 35-minute audio segments: 1. Multi-stage Noise Reduction & Spectral Editing (iZotope RX / Voice Isolation) 2. EQ & Dynamic adjustment to target speech frequency range 3. Time-stamped, verbatim transcript aligning perfectly with the enhanced track Looking forward to assisting you with this case. Best regards, Vahid
$200 USD in 1 day
2.8
2.8

I have 3–4 years of experience in audio editing, restoration, noise reduction, and dialogue cleanup. I can carefully enhance the specified sections using professional tools and deliver restored audio with an accurate time-coded transcript, while preserving the original recording and clearly noting any portions that remain unintelligible. Let's chat for further details Regards, Muhammad Mohid Ahmed.
$30 USD in 1 day
2.6
2.6

As a digital forensic specialist, I have extensive experience working with speech clarification tasks such as yours. I have an impressive array of professional tools at my disposal including iZotope RX, Audacity, and other equivalent forensic software which I'm adept in using for noise reduction, equalization, spectral editing, filtering, and more. During this process, I ensure maximum enhancement without introducing any artefacts that might distort the original audio. My end goal is to provide you with a restored audio track that significantly improves speech intelligibility. Moreover, with my skills in investigation and surveillance and comprehensive knowledge of information technology, information security, and risk management among others, your project falls perfectly within my forte. The ability to integrate multiple areas into one seamless solution is crucial in forensic work as it deals with complex problems requiring integrated approaches - a quality I'll bring to bear on your project. Having delivered consistently high-quality results on past projects and with a commitment to timely delivery that simply can't be overstated, you can trust that your project will be handled with utmost professionalism and care from start to finish.
$250 USD in 1 day
0.0
0.0

Hey there, looking forward to hearing from you. I noticed the challenge with background noise and low volume in your surveillance video. The core issue is achieving clarity in the spoken words while maintaining audio integrity. I have successfully enhanced audio recordings with similar issues, delivering clear, time-stamped transcripts that meet the client's needs. I will restore the audio and provide a precise transcript that aligns with your specified time codes. Your requirement for professional techniques like noise reduction and spectral editing is something I specialize in. A newer profile here doesn’t reflect my extensive experience with industry-standard tools, ensuring consistent, reliable delivery. To get started, I can provide a short sample of my work for your review. Let me know if you’d like to proceed with that. Chat Soon, Warm Regards Mthoko
$100 USD in 7 days
0.0
0.0

⚠️IF YOU'RE NOT HAPPY YOU DON'T PAY⚠️. Expert forensic audio enhancement services tailored to your needs. I specialize in transforming challenging audio recordings into crystal-clear sound, ensuring every spoken word is intelligible. Utilizing professional techniques like noise reduction, equalization, and spectral editing, I guarantee a meticulous approach that preserves audio integrity without introducing artifacts. Here's what you can expect: - High-quality audio restoration of your surveillance video. - A verbatim, time-stamped transcript aligned with the enhanced audio. - A short sample for your review before full delivery. Let’s connect and discuss how I can elevate the clarity of your recordings. The worst that can happen is you walk away with a FREE CONSULTATION. Best, TashriqueTech
$150 USD in 7 days
0.0
0.0

Hi, I noticed you need forensic-grade noise reduction and a time-coded transcript for your surveillance audio. I've handled similar clarity-enhancement work and can deliver a cleaned track plus an accurate transcript for the flagged segments within 5 days. My approach: (1) apply spectral noise reduction, EQ, and de-noising filters to maximize intelligibility without artifacts, sending a short before/after sample first for your sign-off; (2) once approved, complete the full pass and produce a verbatim, time-coded transcript aligned to the enhanced audio. Restored audio track -- this is the best option because you get maximum speech clarity without new artifacts, verified against your flagged timestamps first. Time-coded verbatim transcript -- this is the best option because it lets you cross-reference exactly what was said at each timestamp without re-listening to the raw file. Suggested milestone breakdown (total: $30, 5 days): - M1 - $6 (20%): sample clip processed, approach confirmed - M2 - $12 (40%): full restored audio delivered - M3 - $12 (40%): time-coded transcript + final review Fund M1 to start, release when happy, then fund the next. Standard Freelancer escrow -- protects both of us. Ready to begin the moment you award + fund M1. I scope every job realistically before bidding, so what I promise is what you get. -- Amr
$30 USD in 5 days
0.0
0.0

Hi, I am available to take this project on and restore your audio track to extract crystal clear speech. I will deliver a precise, time stamped transcript alongside the restored file so every spoken word is easy to understand. Let me know if the source recording was captured using an unidirectional or unidirectional mic. I recently performed forensic audio processing on a low volume security recording to recover hidden dialogue for a legal review. I used iZotope RX spectral editing, adaptive noise reduction, and custom equalisation to eliminate background hums while boosting speech intelligibility without introducing harsh digital artifacts. I would be glad to discuss your goals for this audio file and see how I can bring this project to life. Best regards, Ariba
$140 USD in 7 days
0.0
0.0

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