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Text-to-audio (TTA), which generates audio signals from textual descriptions, has received huge attention in recent years. However, recent works focused on text to monaural audio only. As we know, spatial audio provides more immersive…

Sound · Computer Science 2025-06-09 Lei Zhao , Sizhou Chen , Linfeng Feng , Jichao Zhang , Xiao-Lei Zhang , Chi Zhang , Xuelong Li

Most neural vocoders employ band-limited mel-spectrograms to generate waveforms. If full-band spectral features are used as the input, the vocoder can be provided with as much acoustic information as possible. However, in some models…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Won Jang , Dan Lim , Jaesam Yoon , Bongwan Kim , Juntae Kim

This paper thoroughly analyses the effect of different input representations on polyphonic multi-instrument music transcription. We use our own GPU based spectrogram extraction tool, nnAudio, to investigate the influence of using a…

Sound · Computer Science 2020-07-22 Kin Wai Cheuk , Kat Agres , Dorien Herremans

Analysing music in the field of machine learning is a very difficult problem with numerous constraints to consider. The nature of audio data, with its very high dimensionality and widely varying scales of structure, is one of the primary…

Sound · Computer Science 2022-05-17 Tracy Qian , Jackson Kaunismaa , Tony Chung

Convolutional neural network (CNN) architectures have originated and revolutionized machine learning for images. In order to take advantage of CNNs in predictive modeling with audio data, standard FFT-based signal processing methods are…

Sound · Computer Science 2025-02-20 Pavol Harar , Roswitha Bammer , Anna Breger , Monika Dörfler , Zdenek Smekal

Current Text-to-audio (TTA) models mainly use coarse text descriptions as inputs to generate audio, which hinders models from generating audio with fine-grained control of content and style. Some studies try to improve the granularity by…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Yuanyuan Wang , Hangting Chen , Dongchao Yang , Zhiyong Wu , Xixin Wu

Speech Emotion Recognition (SER) affective technology enables the intelligent embedded devices to interact with sensitivity. Similarly, call centre employees recognise customers' emotions from their pitch, energy, and tone of voice so as to…

Sound · Computer Science 2023-12-19 David Hason Rudd , Huan Huo , Guandong Xu

Developing a versatile deep neural network to model music audio is crucial in MIR. This task is challenging due to the intricate spectral variations inherent in music signals, which convey melody, harmonics, and timbres of diverse…

Sound · Computer Science 2024-09-10 Ju-Chiang Wang , Wei-Tsung Lu , Jitong Chen

Text-to-image (T2I) models based on diffusion processes have achieved remarkable success in controllable image generation using user-provided captions. However, the tight coupling between the current text encoder and image decoder in T2I…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Can Qin , Ning Yu , Chen Xing , Shu Zhang , Zeyuan Chen , Stefano Ermon , Yun Fu , Caiming Xiong , Ran Xu

For supervised speech enhancement, contextual information is important for accurate spectral mapping. However, commonly used deep neural networks (DNNs) are limited in capturing temporal contexts. To leverage long-term contexts for tracking…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-13 Xinmeng Xu , Jianjun Hao

Traditional text-to-speech (TTS) methods primarily focus on establishing a mapping between phonemes and mel-spectrograms. However, during the phoneme encoding stage, there is often a lack of real mel-spectrogram auxiliary information, which…

Sound · Computer Science 2025-03-11 Tianyun Liu

Text-to-speech (TTS) methods have shown promising results in voice cloning, but they require a large number of labeled text-speech pairs. Minimally-supervised speech synthesis decouples TTS by combining two types of discrete speech…

Sound · Computer Science 2023-12-19 Chunyu Qiang , Hao Li , Yixin Tian , Yi Zhao , Ying Zhang , Longbiao Wang , Jianwu Dang

Singing melody extraction is an important problem in the field of music information retrieval. Existing methods typically rely on frequency-domain representations to estimate the sung frequencies. However, this design does not lead to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-03 Ke Chen , Shuai Yu , Cheng-i Wang , Wei Li , Taylor Berg-Kirkpatrick , Shlomo Dubnov

While log-amplitude mel-spectrogram has widely been used as the feature representation for processing speech based on deep learning, the effectiveness of another aspect of speech spectrum, i.e., phase information, was shown recently for…

Sound · Computer Science 2022-05-02 Shunsuke Hidaka , Kohei Wakamiya , Tokihiko Kaburagi

Video-to-audio generation is essential for synthesizing realistic audio tracks that synchronize effectively with silent videos. Following the perspective of extracting essential signals from videos that can precisely control the mature…

Sound · Computer Science 2025-03-11 Juncheng Wang , Chao Xu , Cheng Yu , Lei Shang , Zhe Hu , Shujun Wang , Liefeng Bo

Discrete audio representation, aka audio tokenization, has seen renewed interest driven by its potential to facilitate the application of text language modeling approaches in audio domain. To this end, various compression and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-21 Krishna C. Puvvada , Nithin Rao Koluguri , Kunal Dhawan , Jagadeesh Balam , Boris Ginsburg

Music creation is typically composed of two parts: composing the musical score, and then performing the score with instruments to make sounds. While recent work has made much progress in automatic music generation in the symbolic domain,…

Sound · Computer Science 2018-11-13 Bryan Wang , Yi-Hsuan Yang

Speech enhancement aims to improve speech quality and intelligibility in noisy environments. Recent advancements have concentrated on deep neural networks, particularly employing the Two-Stage (TS) architecture to enhance feature…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-19 Zizhen Lin , Yuanle Li , Junyu Wang , Ruili Li

To investigate the processing of speech in the brain, simple linear models are commonly used to establish a relationship between brain signals and speech features. However, these linear models are ill-equipped to model a highly dynamic and…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Xiran Xu , Bo Wang , Yujie Yan , Haolin Zhu , Zechen Zhang , Xihong Wu , Jing Chen

Audio inpainting seeks to restore missing segments in degraded recordings. Previous diffusion-based methods exhibit impaired performance when the missing region is large. We introduce the first approach that applies discrete diffusion over…

Sound · Computer Science 2026-02-18 Tali Dror , Iftach Shoham , Moshe Buchris , Oren Gal , Haim Permuter , Gilad Katz , Eliya Nachmani