
Closed
Posted
Paid on delivery
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): European Portuguese (pt-PT) Secondary Language (Required): Participants may be located anywhere globally, provided they are native in European Portuguese (pt-PT) 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. European Portuguese (pt-PT) USD 30 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 European Portuguese mandatory; non-fluent speakers will be rejected European Portuguese (pt-PT) is mandatory 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 European Portuguese 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
Project ID: 40326239
6 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
6 freelancers are bidding on average $45 USD for this job

Hi, Your initiative to enhance Automatic Speech Recognition systems through multilingual voice recording is quite impressive. Capturing natural code-switching conversations between European Portuguese and English is crucial for improving call center experiences. One key insight here is ensuring that the recorded audio meets the quality standards, particularly maintaining the required 25dB signal-to-noise ratio, which is essential for effective ASR training. In my past experience, I've worked on projects involving multilingual data collection, where I focused on creating an environment conducive to high-quality audio recordings. This involved not just technical setup, but also coaching participants on how to achieve optimal recording conditions. Such attention to detail helped ensure that a high percentage of the recorded audio was usable, often exceeding project targets for quality. To approach this project, I would start by outlining clear guidelines for participants to follow during recordings. I would ensure all equipment is tested for sound quality beforehand and provide ongoing support during the recording sessions. Additionally, I would monitor the recordings to confirm they meet the required standards and make adjustments as necessary. What are the specific timelines for this project? Are there particular challenges you're anticipating with participant recruitment or recording quality? Best regards, Moh Harianto
$100 USD in 7 days
0.0
0.0

I've just completed a similar project. I built a multilingual voice recording system capturing natural code-switching conversations. My expertise aligns well with your multilingual speech data collection initiative. Understanding code-switching and quality audio recording is essential for this project. Specializing in language processing projects, I focus on performance, security, and a polished user experience. Let’s chat to discuss your needs; I offer a free consultation. Worst case, you walk away with a free consultation and a clearer understanding of your project. Kind regards, Curtley
$50 USD in 14 days
0.0
0.0

Hello, I am interested in participating in Project BV. • Native language: European Portuguese (pt-PT) • English level: Fluent • Age range: 40–65 • Gender: female I confirm I am available for one-time participation and can meet the recording and technical requirements (Zoom recording, WAV format, sample rates, and quality standards). I am comfortable with natural code-switching between Portuguese and English and can deliver clear, natural conversational speech. I can provide language verification samples upon request and am available to coordinate with another participant for the recording. Please let me know the next steps. Best regards, Graça
$30 USD in 7 days
0.0
0.0

Hi, I’m interested in participating in Project BV. I am a native European Portuguese (pt-PT) speaker and fluent in English, with experience communicating in both languages in professional and remote environments. I am comfortable with natural code-switching and can deliver clear, fluent, and context-appropriate conversations. Details: • Native Language: European Portuguese (pt-PT) • Secondary Language: English (fluent) • Age Range: 18–25 • Gender: Female • Available for one-time participation: Yes I have a quiet recording environment, stable internet connection, and access to Zoom. I am also willing to use Audacity to meet the required audio specifications. I’m happy to provide language verification samples if needed and coordinate with another participant for recording. Looking forward to your response.
$30 USD in 7 days
0.0
0.0

Hello project BV team, I know that I have no ratings in here, but I have to start from somewhere. My native language is portuguese, I was born and raised in Portugal. I can provide everything you are asking for, it will come to me naturally. Hoping to be part of your project, Vemo-nos brevemente (see you soon), Bárbara Carvalho. P.S. I´ve erased everything the AI told me to write, I don't need a machine to pitch me, this seems much more humane!
$30 USD in 7 days
0.0
0.0

Hello, I am a native European Portuguese (pt-PT) speaker from Portugal and I am fluent in English. I am interested in participating in Project BV. I have a clear and natural speaking voice, good reading fluency, and I am comfortable following recording instructions and maintaining natural code-switching between Portuguese and English in conversational settings. I can record in a quiet environment and I have access to a headset/microphone suitable for high-quality audio recording. I am also comfortable using Zoom and Audacity if required for the project. My details: – Native language: European Portuguese (pt-PT) – English level: Fluent – Gender: Female – Age range: [coloca aqui o teu range] – Participation: One-time participation confirmed I am available to provide language verification samples upon request and would be happy to join the group coordination process for pairing and recording. Thank you for your consideration. I look forward to hearing from you. Best regards, Beatriz
$30 USD in 7 days
0.0
0.0

Cessnock, Australia
Payment method verified
Member since Apr 27, 2025
$26 USD
$10-30 USD
$294 USD
$201.6 USD
$15-25 USD / hour
₹1500-12500 INR
€30-250 EUR
$30-250 NZD
₹12500-37500 INR
$150-200 USD / hour
$30-250 USD
$15-25 USD / hour
₹1500-12500 INR
$2-8 USD / hour
$45 USD
$8-15 USD / hour
$50 USD
₹5000-10000 INR / hour
$2-8 USD / hour
$30-250 CAD
$30-250 USD
$30-250 USD
$30-250 USD
₹100-400 INR / hour
£20-250 GBP