Many of us hear the YouTube videos whose voices are generated by AI, or even some of us use such APIs actively. But, you may wonder how good the public text-to-speech (TTS) APIs. It is actually a hard problem, even in the AI society. For such TTS evaluations, some groups use Word Error Rate (WER)…
One of the key questions when building a new AI model is how good the model is for the target customer. It is also for the AI users: how good this model is for my use case. When it comes to Text To Speech (TTS), many of us want to know how existing TTS models…
Subjective audio evaluation is the assessment of generated (e.g., by using generative AI models), processed (noise reduction, compression, echo cancellation, and so on) audio or speech by human listeners. The human evaluators play a crucial role in determining the effectiveness and quality of the audio output. The main goals of subjective audio evaluation include: The…