Speech Recognition Projects — ASR, Diarization & Spoken Interfaces
Speech recognition converts spoken audio into text and related signals (who spoke, which keyword was said). Final-year projects that build Whisper or wav2vec2 pipelines, measure WER, or add diarization and keyword spotting produce clear, measurable results aligned with industry practice.
Below are best topics across ASR, speaker diarization, keyword spotting, noise robustness, multilingual systems and evaluation, with tools used in research and products (Whisper, Hugging Face, SpeechBrain, Pyannote, NeMo).
| # | Speech Recognition Project Topic | Tools Used |
|---|---|---|
| 🎙️ ASR — Whisper · wav2vec2 · End-to-End | ||
| 01 | ASREnd-to-End Speech-to-Text Pipeline with OpenAI Whisper | Whisper, torchaudio, jiwer |
| 02 | ASRFine-Tuning wav2vec2 on a Domain or Accented Dataset | HF Transformers, datasets, WER |
| 03 | ASRStreaming / Online ASR Concept with Partial Hypotheses | Whisper / streaming backends |
| 04 | ASRComparison of Whisper Model Sizes (tiny → large) on Fixed Test Set | Whisper, latency + WER logs |
| 05 | ASRForced Alignment of Transcripts to Audio Timestamps | WhisperX / Montreal Forced Aligner |
| 06 | ASRPunctuation and Capitalisation Restoration after ASR | ASR output + LLM or seq2seq |
| 07 | ASRCommand-and-Control ASR with Small Vocabulary Grammar | Custom models / Kaldi-style optional |
| 👥 Speaker Diarization & Identification | ||
| 08 | SpeakerSpeaker Diarization Pipeline (“Who Spoke When”) | Pyannote.audio, Whisper optional |
| 09 | SpeakerDiarization + ASR Combined for Multi-Speaker Transcripts | Pyannote, Whisper, merge scripts |
| 10 | SpeakerSpeaker Identification / Verification on Short Utterances | SpeechBrain / ECAPA embeddings |
| 11 | SpeakerMeeting Transcription System with Speaker Labels | Pyannote, Whisper, UI |
| 12 | SpeakerClustering Quality Metrics for Diarization (DER, Jaccard) | Pyannote metrics, custom eval |
| 🔑 Keyword Spotting & Wake Words | ||
| 13 | KWSKeyword Spotting Model for Custom Wake Words | SpeechBrain / custom CNN-RNN |
| 14 | KWSEdge-Friendly Keyword Spotting with Quantized Models | TFLite / ONNX, small footprint |
| 15 | KWSFalse Accept / False Reject Trade-off Study for KWS | ROC curves, test sets |
| 16 | KWSAlways-On Detection Pipeline with Voice Activity Detection | VAD (Silero / WebRTC), KWS |
| 🔊 Noise Robustness & Enhancement | ||
| 17 | NoiseNoise-Robust ASR: Train or Adapt on Augmented Noisy Data | wav2vec2 / Whisper, augmentation |
| 18 | NoiseSpeech Enhancement Front-End before ASR (Denoising) | Spectral / neural enhancers, ASR |
| 19 | NoiseWER vs SNR Curves for Clean vs Noisy Conditions | Noise injection, Whisper, jiwer |
| 20 | NoiseFar-Field / Reverberant Speech Recognition Study | Simulated reverb, ASR models |
| 21 | NoiseVoice Activity Detection Accuracy in Noisy Environments | Silero VAD, evaluation sets |
| 🌐 Multilingual & Code-Switching ASR | ||
| 22 | MultiMultilingual ASR with Whisper (Language ID + Transcription) | Whisper, language detection |
| 23 | MultiIndic / Regional Language Speech Recognition Pipeline | Whisper / Indic models, HF |
| 24 | MultiCode-Switching Speech Recognition (e.g. English + Hindi) | Multilingual ASR, mixed test set |
| 25 | MultiLanguage Identification from Short Audio Segments | Whisper LID / speech embeddings |
| 📊 Evaluation · Metrics · Systems | ||
| 26 | EvalSystematic WER / CER Evaluation Harness for Multiple Models | jiwer, test sets, reports |
| 27 | EvalLatency vs Accuracy Trade-off for Real-Time ASR | Profiling, Whisper sizes |
| 28 | EvalError Analysis: Substitution, Insertion, Deletion Patterns | Alignment tools, confusion analysis |
| 29 | EvalHuman Transcription Agreement as Upper Bound on ASR | Multiple annotators, inter-rater |
| 30 | EvalReproducible Speech Experiment Protocol for Student Projects | Configs, seeds, logging |
| 🏥 Applied Speech Systems | ||
| 31 | AppliedLecture / Meeting Transcriber with Summary (ASR + LLM) | Whisper, LLM, chunking |
| 32 | AppliedVoice-Controlled Interface for Search or Device Commands | KWS / ASR, intent parser |
| 33 | AppliedAccessibility: Speech-to-Text Captioning for Videos | Whisper, subtitle formats |
| 34 | AppliedEmotion Recognition from Speech (Categorical or Dimensional) | Speech features, classifiers |
| 35 | AppliedSpoken Dialogue System Prototype (ASR → NLU → Response) | Whisper, LLM / rules, TTS |
| 36 | AppliedCall-Centre Style Analytics: Topics and Sentiment from Calls | ASR, topic models, sentiment |
| 🔬 Research-Oriented Topics | ||
| 37 | ResearchSelf-Supervised Speech Representations: Ablation on Downstream ASR | wav2vec2 / HuBERT, fine-tune |
| 38 | ResearchData Augmentation Strategies and Their Impact on WER | SpecAugment, noise, speed |
| 39 | ResearchDomain Mismatch: Studio vs Phone vs Far-Field Conditions | Multiple corpora, same model |
| 40 | ResearchConfidence Estimation and Selective Transcription | ASR scores, reject options |
Topics use widely available open tools (Whisper, Hugging Face, Pyannote, SpeechBrain). Contact us for reference material, scripts, WER evaluation setup, university-format report, PPT and viva Q&A for any topic above.
Why Choose Us for Speech Recognition Projects?
Bangalore-based guidance for BE, BTech and MTech students working on ASR, diarization and spoken systems.
ASR / Whisper
End-to-end speech-to-text, fine-tuning wav2vec2 and model-size trade-offs with clear WER reporting.
Diarization
Who-spoke-when pipelines, multi-speaker transcripts and speaker verification with Pyannote and embeddings.
Keyword Spotting
Custom wake words, edge-friendly models and false-accept / false-reject analysis.
Robustness
Noise and reverberation studies, enhancement front-ends and multilingual / Indic ASR.
Frequently Asked Questions — Speech Recognition Projects
Speech Recognition Project Lab — Bangalore
GPU workstations and consultation for ASR, diarization and keyword-spotting projects.
ASR Lab
Pipelines
& Wake Words
Experiments
ASR
Harness
Transcribers
Preparation