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Multilingual Voice Recording Project – Code-Switching Conversations Project Name: BV Project Type: Remote | Ongoing (Limited Slots per Locale) Project Overview Project BV is a multilingual speech data collection initiative designed to enhance Automatic Speech Recognition (ASR) systems for high-value multilingual call center scenarios, including financial services, healthcare, and telecommunications. The project focuses on collecting natural code-switching conversational audio, where speakers alternate between two languages within a single conversational turn. Scripts will be provided; however, natural delivery, fluency, and context-appropriate language switching are essential. Language Requirements Primary Language (Native level – one required): Vietnamese (vi-VN) Secondary Language (Required): English – Fluent Participants may be located anywhere globally, provided they are native in one of the primary languages and fluent in English. The Project Manager will request language verification samples for both primary and secondary languages. Participation Structure Participation is one-time only per speaker. Two speakers will form a pair (agent and customer roles). Speakers do not need to be in the same location. Scripts and recording instructions will be provided. Zoom is the preferred method for recording the conversations. Audacity is the preferred tool for converting audio files to the required sample rates and for verifying signal-to-noise ratio compliance. Recording Scope Target volume: 200 hours of audio per locale Per pair output: 1.2 hours of recorded audio Quality acceptance: Minimum 80% usable speech hours Compensation (USD – Per Pair, 2 Speakers) All rates below are paid in United States Dollars (USD) and apply to one hour of final audio (30 minutes per speaker). Payment is split evenly between the two participants. Vietnamese (vi-VN): USD 11.00 per participant Recording Specifications File Format: Stereo WAV Left channel: Agent Right channel: Customer Sample Rates: 8kHz (telephone quality) – 50% 16kHz – 50% Code-Switching Ratio: 70% primary language 30% English ±10% tolerance Delivery Style: Natural, context-pecific language switching No forced or artificial transitions Speaker Requirements Age Distribution Targets: 18–25 years: 30% 25–40 years: 30% 40–65 years: 20% 65+ years: 20% Gender Balance: 50% male / 50% female Language Proficiency: Fluent English is mandatory; non-fluent speakers will be rejected Participation Limit: Each speaker may participate once only Audio Quality Standards Minimum 25dB signal-to-noise ratio No background noise, distortion, clipping, or echo Quiet, controlled recording environment required Headset or professional microphone strongly recommended How to Apply Applicants should be prepared to provide: * Native language and English proficiency details * Age range and gender * Confirmation of one-time participation * Language verification samples upon request * Participants will be placed in a group chat with others of the same language to work out who will work with whom for the recordings. The project will close once all required recordings are collected. Apply and wait for the next steps if deemed by our team that you qualify. Note: If you do not hear from us, consider that you do not qualify for this project
Projektin tunnus (ID): 40171805
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9 freelancerit tarjoavat keskimäärin $12 USD tätä projektia

Hello, I'm interested in this project. I can provide a pair of male and female in the age 40s. Have experience in audio recording. Please send me a message for futher discussion. Thanks!
$22 USD 7 päivässä
2,8
2,8

Hi. I already have another partner who can coordinate to form a pair for this voice recording. She and I both have experience with voice chat support from call center and customer service for perfect role play for this project. I suggest to add another test phrase for one short video for your perusal to ensure perfect quality and transparent voice record in a noise-cancelling room. I also keep in mind about No forced or artificial transitions. Regards, Tri
$12,50 USD 3 päivässä
2,5
2,5

I’m an experienced and highly reliable voice contributor with a strong understanding of natural code-switching conversations. I can deliver clear, high-quality recordings that sound authentic, fluent, and natural—not scripted or robotic. I follow instructions precisely, maintain excellent audio quality, and consistently meet deadlines. I’ve worked with data collection and voice-related tasks before, so I understand the importance of accuracy, consistency, and confidentiality. I’m ready to start immediately, deliver fast, and ensure the recordings fully meet your project requirements. You’ll get professional results with smooth communication and zero hassle.
$10 USD 7 päivässä
0,0
0,0

Hello. I'm Vietnamese. I have more 3 years experiences as Customer Service Team Field and I used to join a similar task like this. I'm glad to receive and complete effectively all task that involve in Vietnamese language to contribute for your projects. Thanks!"
$11 USD 2 päivässä
0,0
0,0

Dear Project Manager, I am writing to express my strong interest in the BV Multilingual Voice Recording Project. As a native Vietnamese speaker with fluent English proficiency, I am confident in my ability to deliver high-quality, natural code-switching conversations as required. Why I am a great fit for this project: Language Skills: I am a native speaker of Vietnamese (vi-VN) and have a strong command of English, ensuring a natural 70/30 language ratio without forced transitions. Technical Readiness: I am proficient in using Audacity for audio post-production (sampling rates at 8kHz/16kHz and ensuring SNR compliance). Quality Environment: I have access to a quiet recording environment and a professional headset to ensure crystal-clear audio quality without background noise. Availability: I can participate immediately and I am familiar with using Zoom for recording sessions. Personal Information: Age: 33. Gender:Male. Partner: I am ready to join the group chat to find a partner. I have prepared language verification samples and am ready to send them to you via chat for review. I am a one-time participant and committed to meeting all project specifications. Looking forward to hearing from you.
$11 USD 7 päivässä
0,0
0,0

I’m a Vietnamese voice contributor with experience in natural, code-switching conversations. I deliver clear, authentic, fluent recordings that sound natural—not robotic or scripted. I’ve completed similar projects before and can efficiently handle any Vietnamese-language tasks for your team. I’m very interested in this opportunity.
$12 USD 7 päivässä
0,0
0,0

As a Vietnamese native speaker, I’m confident that I’m the best candidate for this project. Moreover, I also spent my teenagers life at international school, therefore English is not a problem for me. I’m really looking forward to being a part of this project.
$11 USD 7 päivässä
0,0
0,0

Hello, I’m a native Vietnamese speaker with basic to good conversational English (TOEIC 770), and I’m interested in joining Project BV. I’m able to communicate comfortably in Vietnamese - English mixed conversations and can follow the provided scripts naturally in call center - style scenarios. My English has a native Vietnamese accent, but I focus on clear pronunciation and natural pacing rather than sounding overly scripted. I have a quiet recording environment, stable internet connection, and a decent headset microphone. I’m familiar with recording conversations via Zoom and can use Audacity to convert audio files, adjust sample rates (8kHz and 16kHz), and check basic audio quality requirements. I understand this is a one-time participation project and am happy to provide language verification samples if needed. I’m reliable, careful with instructions, and comfortable coordinating with a paired speaker to complete the recording smoothly. Thank you for your consideration.
$10 USD 7 päivässä
0,0
0,0

Hello, I would like to apply for Project BV – Multilingual Voice Recording. I am a native Vietnamese speaker (vi-VN), male, 19 years old, with IELTS 7.5 and fluent English communication skills. I have experience working with language-related projects and can deliver natural Vietnamese–English code-switching conversations as required. I confirm that I agree to one-time participation and I am willing to provide language verification samples upon request. I also have a quiet recording environment and can follow the technical audio guidelines. Thank you for your consideration. I look forward to your next steps.
$11 USD 6 päivässä
0,0
0,0

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