Multi-Accent Speech Recognition of Afrikaans, Black and White Varieties of South African English. - Herman Kamper; Thomas Niesler (INTERSPEECH, 2011)

Resource development and experiments in automatic south african broadcast news transcription. - Herman Kamper; Febe de Wet; Thomas Hain; Thomas Niesler (SLTU, 2012)

Multi-accent acoustic modelling of South African English. - Herman Kamper; Félicien Jeje Muamba Mukanya; Thomas Niesler (Speech Commun., 2012)

Unsupervised lexical clustering of speech segments using fixed-dimensional acoustic embeddings. - Herman Kamper; Aren Jansen; Simon King 001; Sharon Goldwater (SLT, 2014)

Capitalising on North American speech resources for the development of a South African English large vocabulary speech recognition system. - Herman Kamper; Febe de Wet; Thomas Hain; Thomas Niesler (Comput. Speech Lang., 2014)

Unsupervised neural network based feature extraction using weak top-down constraints. - Herman Kamper; Micha Elsner; Aren Jansen; Sharon Goldwater (ICASSP, 2015)

Fully unsupervised small-vocabulary speech recognition using a segmental Bayesian model. - Herman Kamper; Aren Jansen; Sharon Goldwater (INTERSPEECH, 2015)

A comparison of neural network methods for unsupervised representation learning on the zero resource speech challenge. - Daniel Renshaw; Herman Kamper; Aren Jansen; Sharon Goldwater (INTERSPEECH, 2015)

Deep convolutional acoustic word embeddings using word-pair side information. - Herman Kamper; Weiran Wang; Karen Livescu (ICASSP, 2016)

Unsupervised Word Segmentation and Lexicon Discovery Using Acoustic Word Embeddings. - Herman Kamper; Aren Jansen; Sharon Goldwater (IEEE ACM Trans. Audio Speech Lang. Process., 2016)

An embedded segmental K-means model for unsupervised segmentation and clustering of speech. - Herman Kamper; Karen Livescu; Sharon Goldwater (ASRU, 2017)

Towards speech-to-text translation without speech recognition. - Sameer Bansal; Herman Kamper; Adam Lopez; Sharon Goldwater (EACL (2), 2017)

Weakly supervised spoken term discovery using cross-lingual side information. - Sameer Bansal; Herman Kamper; Sharon Goldwater; Adam Lopez (ICASSP, 2017)

Visually Grounded Learning of Keyword Prediction from Untranscribed Speech. - Herman Kamper; Shane Settle; Gregory Shakhnarovich; Karen Livescu (INTERSPEECH, 2017)

Query-by-Example Search with Discriminative Neural Acoustic Word Embeddings. - Shane Settle; Keith D. Levin; Herman Kamper; Karen Livescu (INTERSPEECH, 2017)

Unsupervised neural and Bayesian models for zero-resource speech processing. - Herman Kamper (CoRR, 2017)

Semantic keyword spotting by learning from images and speech. - Herman Kamper; Gregory Shakhnarovich; Karen Livescu (CoRR, 2017)

A segmental framework for fully-unsupervised large-vocabulary speech recognition. - Herman Kamper; Aren Jansen; Sharon Goldwater (Comput. Speech Lang., 2017)

Unsupervised neural and Bayesian models for zero-resource speech processing. - Herman Kamper (2017)

Phoneme Based Embedded Segmental K-Means for Unsupervised Term Discovery. - Saurabchiand Bhati; Herman Kamper; K. Sri Rama Murty (ICASSP, 2018)

Learning Dynamics of Linear Denoising Autoencoders. - Arnu Pretorius; Steve Kroon; Herman Kamper (ICML, 2018)

Low-Resource Speech-to-Text Translation. - Sameer Bansal; Herman Kamper; Karen Livescu; Adam Lopez; Sharon Goldwater (INTERSPEECH, 2018)

Fast ASR-free and Almost Zero-resource Keyword Spotting Using DTW and CNNs for Humanitarian Monitoring. - Raghav Menon; Herman Kamper; John A. Quinn; Thomas Niesler (INTERSPEECH, 2018)

Critical initialisation for deep signal propagation in noisy rectifier neural networks. - Arnu Pretorius; Elan Van Biljon; Steve Kroon; Herman Kamper (NeurIPS, 2018)

Visually Grounded Cross-Lingual Keyword Spotting in Speech. - Herman Kamper; Michael Roth 001 (SLTU, 2018)

ASR-Free CNN-DTW Keyword Spotting Using Multilingual Bottleneck Features for Almost Zero-Resource Languages. - Raghav Menon; Herman Kamper; Emre Yilmaz 001; John A. Quinn; Thomas Niesler (SLTU, 2018)

Almost Zero-Resource ASR-free Keyword Spotting using Multilingual Bottleneck Features and Correspondence Autoencoders. - Raghav Menon; Herman Kamper; John A. Quinn; Thomas Niesler (CoRR, 2018)

Multimodal One-shot Learning of Speech and Images. - Ryan Eloff; Herman A. Engelbrecht; Herman Kamper (ICASSP, 2019)

Truly Unsupervised Acoustic Word Embeddings Using Weak Top-down Constraints in Encoder-decoder Models. - Herman Kamper (ICASSP, 2019)

Semantic Query-by-example Speech Search Using Visual Grounding. - Herman Kamper; Aristotelis Anastassiou; Karen Livescu (ICASSP, 2019)

Unsupervised Acoustic Unit Discovery for Speech Synthesis Using Discrete Latent-Variable Neural Networks. - Ryan Eloff; André Nortje; Benjamin van Niekerk; Avashna Govender; Leanne Nortje; Arnu Pretorius; Elan Van Biljon; Ewald van der Westhuizen; Lisa van Staden; Herman Kamper (INTERSPEECH, 2019)

Feature Exploration for Almost Zero-Resource ASR-Free Keyword Spotting Using a Multilingual Bottleneck Extractor and Correspondence Autoencoders. - Raghav Menon; Herman Kamper; Ewald van der Westhuizen; John A. Quinn; Thomas Niesler (INTERSPEECH, 2019)

On the Contributions of Visual and Textual Supervision in Low-Resource Semantic Speech Retrieval. - Ankita Pasad; Bowen Shi; Herman Kamper; Karen Livescu (INTERSPEECH, 2019)

Pre-training on high-resource speech recognition improves low-resource speech-to-text translation. - Sameer Bansal; Herman Kamper; Karen Livescu; Adam Lopez; Sharon Goldwater (NAACL-HLT (1), 2019)

Classifying topics in speech when all you have is crummy translations. - Sameer Bansal; Herman Kamper; Adam Lopez; Sharon Goldwater (CoRR, 2019)

Deep motion estimation for parallel inter-frame prediction in video compression. - André Nortje; Herman A. Engelbrecht; Herman Kamper (CoRR, 2019)

Semantic Speech Retrieval With a Visually Grounded Model of Untranscribed Speech. - Herman Kamper; Gregory Shakhnarovich; Karen Livescu (IEEE ACM Trans. Audio Speech Lang. Process., 2019)

Evaluating computational models of infant phonetic learning across languages. - Yevgen Matusevych; Thomas Schatz; Herman Kamper; Naomi Feldman; Sharon Goldwater (CogSci, 2020)

Participatory Research for Low-resourced Machine Translation: A Case Study in African Languages. - Wilhelmina Nekoto; Vukosi Marivate; Tshinondiwa Matsila; Timi E. Fasubaa; Taiwo Fagbohungbe; Solomon Oluwole Akinola; Shamsuddeen Hassan Muhammad; Salomon Kabongo Kabenamualu; Salomey Osei; Freshia Sackey; Rubungo Andre Niyongabo; Ricky Macharm; et al. (EMNLP (Findings), 2020)

Cross-Lingual Topic Prediction For Speech Using Translations. - Sameer Bansal; Herman Kamper; Adam Lopez; Sharon Goldwater (ICASSP, 2020)

Multilingual Acoustic Word Embedding Models for Processing Zero-resource Languages. - Herman Kamper; Yevgen Matusevych; Sharon Goldwater (ICASSP, 2020)

Vector-Quantized Neural Networks for Acoustic Unit Discovery in the ZeroSpeech 2020 Challenge. - Benjamin van Niekerk; Leanne Nortje; Herman Kamper (INTERSPEECH, 2020)

Unsupervised vs. Transfer Learning for Multimodal One-Shot Matching of Speech and Images. - Leanne Nortje; Herman Kamper (INTERSPEECH, 2020)

StarGAN-ZSVC: Towards Zero-Shot Voice Conversion in Low-Resource Contexts. - Matthew Baas; Herman Kamper (SACAIR, 2020)

Masakhane - Machine Translation For Africa. - Iroro Orife; Julia Kreutzer; Blessing K. Sibanda; Daniel Whitenack; Kathleen Siminyu; Laura Martinus; Jamiil Toure Ali; Jade Z. Abbott; Vukosi Marivate; Salomon Kabongo; Musie Meressa; Espoir Murhabazi; et al. (AfricaNLP, 2020)

Analyzing autoencoder-based acoustic word embeddings. - Yevgen Matusevych; Herman Kamper; Sharon Goldwater (CoRR, 2020)

Participatory Research for Low-resourced Machine Translation: A Case Study in African Languages. - Wilhelmina Nekoto; Vukosi Marivate; Tshinondiwa Matsila; Timi E. Fasubaa; Tajudeen Kolawole; Taiwo Fagbohungbe; Solomon Oluwole Akinola; Shamsuddeen Hassan Muhammad; Salomon Kabongo; Salomey Osei; Sackey Freshia; Rubungo Andre Niyongabo; et al. (CoRR, 2020)

A Correspondence Variational Autoencoder for Unsupervised Acoustic Word Embeddings. - Puyuan Peng; Herman Kamper; Karen Livescu (CoRR, 2020)

Towards localisation of keywords in speech using weak supervision. - Kayode Olaleye; Benjamin van Niekerk; Herman Kamper (CoRR, 2020)

If dropout limits trainable depth, does critical initialisation still matter? A large-scale statistical analysis on ReLU networks. - Arnu Pretorius; Elan Van Biljon; Benjamin van Niekerk; Ryan Eloff; Matthew Reynard; Steven James 001; Benjamin Rosman; Herman Kamper; Steve Kroon (Pattern Recognit. Lett., 2020)

On the expected behaviour of noise regularised deep neural networks as Gaussian processes. - Arnu Pretorius; Herman Kamper; Steve Kroon (Pattern Recognit. Lett., 2020)

Unsupervised Feature Learning for Speech Using Correspondence and Siamese Networks. - Petri-Johan Last; Herman A. Engelbrecht; Herman Kamper (IEEE Signal Process. Lett., 2020)

A phonetic model of non-native spoken word processing. - Yevgen Matusevych; Herman Kamper; Thomas Schatz; Naomi Feldman; Sharon Goldwater (EACL, 2021)

Multilingual Transfer of Acoustic Word Embeddings Improves When Training on Languages Related to the Target Zero-Resource Language. - Christiaan Jacobs; Herman Kamper (Interspeech, 2021)

Towards Unsupervised Phone and Word Segmentation Using Self-Supervised Vector-Quantized Neural Networks. - Herman Kamper; Benjamin van Niekerk (Interspeech, 2021)

Analyzing Speaker Information in Self-Supervised Models to Improve Zero-Resource Speech Processing. - Benjamin van Niekerk; Leanne Nortje; Matthew Baas; Herman Kamper (Interspeech, 2021)

Direct Multimodal Few-Shot Learning of Speech and Images. - Leanne Nortje; Herman Kamper (Interspeech, 2021)

Attention-Based Keyword Localisation in Speech Using Visual Grounding. - Kayode Olaleye; Herman Kamper (Interspeech, 2021)

Acoustic Word Embeddings for Zero-Resource Languages Using Self-Supervised Contrastive Learning and Multilingual Adaptation. - Christiaan Jacobs; Yevgen Matusevych; Herman Kamper (SLT, 2021)

A Comparison of Self-Supervised Speech Representations As Input Features For Unsupervised Acoustic Word Embeddings. - Lisa van Staden; Herman Kamper (SLT, 2021)

Mava: a research framework for distributed multi-agent reinforcement learning. - Arnu Pretorius; Kale-ab Abebe Tessera; Andries P. Smit; Claude Formanek; St John Grimbly; Kevin Eloff; Siphelele Danisa; Lawrence Francis; Jonathan P. Shock; Herman Kamper; Willie Brink; Herman A. Engelbrecht; et al. (CoRR, 2021)

Towards Learning to Speak and Hear Through Multi-Agent Communication over a Continuous Acoustic Channel. - Kevin Eloff; Arnu Pretorius; Okko Räsänen; Herman A. Engelbrecht; Herman Kamper (CoRR, 2021)

Multilingual and unsupervised subword modeling for zero-resource languages. - Enno Hermann; Herman Kamper; Sharon Goldwater (Comput. Speech Lang., 2021)

BINet: A binary inpainting network for deep patch-based image compression. - André Nortje; Willie Brink; Herman A. Engelbrecht; Herman Kamper (Signal Process. Image Commun., 2021)

Improved Acoustic Word Embeddings for Zero-Resource Languages Using Multilingual Transfer. - Herman Kamper; Yevgen Matusevych; Sharon Goldwater (IEEE ACM Trans. Audio Speech Lang. Process., 2021)

A Comparison of Discrete and Soft Speech Units for Improved Voice Conversion. - Benjamin van Niekerk; Marc-André Carbonneau; Julian Zaïdi; Matthew Baas; Hugo Seuté; Herman Kamper (ICASSP, 2022)

Voice Conversion Can Improve ASR in Very Low-Resource Settings. - Matthew Baas; Herman Kamper (INTERSPEECH, 2022)

A Temporal Extension of Latent Dirichlet Allocation for Unsupervised Acoustic Unit Discovery. - Werner van der Merwe; Herman Kamper; Johan Adam du Preez (INTERSPEECH, 2022)

TransFusion: Transcribing Speech with Multinomial Diffusion. - Matthew Baas; Kevin Eloff; Herman Kamper (SACAIR, 2022)

GAN You Hear Me? Reclaiming Unconditional Speech Synthesis from Diffusion Models. - Matthew Baas; Herman Kamper (SLT, 2022)

Towards Visually Prompted Keyword Localisation for Zero-Resource Spoken Languages. - Leanne Nortje; Herman Kamper (SLT, 2022)

YFACC: A Yorùbá Speech-Image Dataset for Cross-Lingual Keyword Localisation Through Visual Grounding. - Kayode Olaleye; Dan Oneata; Herman Kamper (SLT, 2022)

Feature learning for efficient ASR-free keyword spotting in low-resource languages. - Ewald van der Westhuizen; Herman Kamper; Raghav Menon; John A. Quinn; Thomas Niesler (Comput. Speech Lang., 2022)

Keyword Localisation in Untranscribed Speech Using Visually Grounded Speech Models. - Kayode Olaleye; Dan Oneata; Herman Kamper (IEEE J. Sel. Top. Signal Process., 2022)

Voice Conversion With Just Nearest Neighbors. - Matthew Baas; Benjamin van Niekerk; Herman Kamper (INTERSPEECH, 2023)

Towards hate speech detection in low-resource languages: Comparing ASR to acoustic word embeddings on Wolof and Swahili. - Christiaan Jacobs; Nathanaël Carraz Rakotonirina; Everlyn Asiko Chimoto; Bruce A. Bassett; Herman Kamper (INTERSPEECH, 2023)

Mitigating Catastrophic Forgetting for Few-Shot Spoken Word Classification Through Meta-Learning. - Ruan van der Merwe; Herman Kamper (INTERSPEECH, 2023)

Visually grounded few-shot word acquisition with fewer shots. - Leanne Nortje; Benjamin van Niekerk; Herman Kamper (INTERSPEECH, 2023)

Semi-Supervised Machine Learning for Livestock Threat Classification Using GPS Data. - Urs J. De Swardt; Herman Kamper (IEEE Access, 2023)

Voice Conversion for Stuttered Speech, Instruments, Unseen Languages and Textually Described Voices. - Matthew Baas; Herman Kamper (CoRR, 2023)

Rhythm Modeling for Voice Conversion. - Benjamin van Niekerk; Marc-André Carbonneau; Herman Kamper (IEEE Signal Process. Lett., 2023)

Word Segmentation on Discovered Phone Units With Dynamic Programming and Self-Supervised Scoring. - Herman Kamper (IEEE ACM Trans. Audio Speech Lang. Process., 2023)

Infant Phonetic Learning as Perceptual Space Learning: A Crosslinguistic Evaluation of Computational Models. - Yevgen Matusevych; Thomas Schatz; Herman Kamper; Naomi H. Feldman; Sharon Goldwater (Cogn. Sci., 2023)

Spoken-Term Discovery using Discrete Speech Units. - Benjamin van Niekerk; Julian Zaïdi; Marc-André Carbonneau; Herman Kamper (INTERSPEECH, 2024)

Translating speech with just images. - Dan Oneata; Herman Kamper (INTERSPEECH, 2024)

Revisiting speech segmentation and lexicon learning with better features. - Herman Kamper; Benjamin van Niekerk (CoRR, 2024)

Improved Visually Prompted Keyword Localisation in Real Low-Resource Settings. - Leanne Nortje; Dan Oneata; Herman Kamper (CoRR, 2024)

Leveraging Multilingual Transfer for Unsupervised Semantic Acoustic Word Embeddings. - Christiaan Jacobs; Herman Kamper (IEEE Signal Process. Lett., 2024)

Visually Grounded Speech Models Have a Mutual Exclusivity Bias. - Leanne Nortje; Dan Oneata; Yevgen Matusevych; Herman Kamper (Trans. Assoc. Comput. Linguistics, 2024)

Disentanglement in a GAN for Unconditional Speech Synthesis. - Matthew Baas; Herman Kamper (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Visually Grounded Few-Shot Word Learning in Low-Resource Settings. - Leanne Nortje; Dan Oneata; Herman Kamper (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

MARS6: A Small and Robust Hierarchical-Codec Text-to-Speech Model. - Matthew Baas; Pieter Scholtz; Arnav Mehta; Elliott Dyson; Akshat Prakash; Herman Kamper (ICASSP, 2025)

Speech Recognition for Automatically Assessing Afrikaans and isiXhosa Preschool Oral Narratives. - Christiaan Jacobs; Annelien Smith; Daleen Klop; Ondrej Klejch; Febe de Wet; Herman Kamper (ICASSP, 2025)

Unsupervised Word Discovery: Boundary Detection with Clustering vs. Dynamic Programming. - Simon Malan; Benjamin van Niekerk; Herman Kamper (ICASSP, 2025)

Spoken Language Modeling with Duration-Penalized Self-Supervised Units. - Nicol Visser; Herman Kamper (CoRR, 2025)

LinearVC: Linear transformations of self-supervised features through the lens of voice conversion. - Herman Kamper; Benjamin van Niekerk; Julian Zaïdi; Marc-André Carbonneau (CoRR, 2025)

The mutual exclusivity bias of bilingual visually grounded speech models. - Dan Oneata; Leanne Nortje; Yevgen Matusevych; Herman Kamper (CoRR, 2025)

Analyzing and Improving Speaker Similarity Assessment for Speech Synthesis. - Marc-André Carbonneau; Benjamin van Niekerk; Hugo Seuté; Jean-Philippe Letendre; Herman Kamper; Julian Zaïdi (CoRR, 2025)

Towards few-shot isolated word reading assessment. - Reuben Smit; Retief Louw; Herman Kamper (CoRR, 2025)

Feature-based analysis of oral narratives from Afrikaans and isiXhosa children. - Emma Sharratt; Annelien Smith; Retief Louw; Daleen Klop; Febe de Wet; Herman Kamper (CoRR, 2025)

Automatically assessing oral narratives of Afrikaans and isiXhosa children. - Retief Louw; Emma Sharratt; Febe de Wet; Christiaan Jacobs; Annelien Smith; Herman Kamper (CoRR, 2025)

Should Top-Down Clustering Affect Boundaries in Unsupervised Word Discovery? - Simon Malan; Benjamin van Niekerk; Herman Kamper (CoRR, 2025)