{
    "speaker_rate_bins":
        ["very slowly", "quite slowly", "slightly slowly", "moderate speed", "slightly fast", "quite fast", "very fast"],
    "snr_bins":
        ["very noisy", "quite noisy", "slightly noisy", "moderate ambient sound", "slightly clear", "quite clear", "very clear"],
    "reverberation_bins":
        ["very roomy sounding", "quite roomy sounding", "slightly roomy sounding", "moderate reverberation", "slightly confined sounding", "quite confined sounding", "very confined sounding"],
    "utterance_level_std":
        ["very monotone", "quite monotone", "slightly monotone", "moderate intonation", "slightly expressive", "quite expressive", "very expressive"],
    "speaker_level_pitch_bins":
        ["very low pitch", "quite low pitch", "slightly low pitch", "moderate pitch", "slightly high pitch", "quite high pitch", "very high pitch"]
}