FrequencyCat vs SoundNode

Hide an image inside sound. FrequencyCat is a playful tool for exploring the connection between images, sound, and spectrograms. Choose an image, and FrequencyCat transforms it into a unique audio signal. Play the sound and view its spectrogram, and you’ll see the original image emerge again from the frequencies. With FrequencyCat, you can: - Turn images into sound - View audio spectrograms in real time - Play sounds and reveal the images hidden inside them - Explore how different images create different sounds - Discover the relationship between sound, frequency, and Fourier transforms in an intuitive way There’s no magic behind it. Just frequencies, phases, an inverse Fourier transform, and a little curiosity about sound. Whether you’re interested in acoustics, music, signal processing, or simply wondering what an image might sound like, FrequencyCat gives you a new way to explore. Pick an image. Hear what it sounds like.

SoundNode Radioplayer — your free internet radio app. Listen to publicly available internet radio streams from around the world. Discover music, news, and culture with a simple and intuitive player experience. Features: • Access publicly available radio streams • Background playback with lock screen controls • Chromecast support for streaming to speakers and TVs • Search and filter by genre, country, or name • Save your favorite stations • Sleep timer and alarm clock • Personalized recommendations • Google and Apple Sign-In to sync your favorites Premium (one-time purchase): • Ad-free listening • 10-band equalizer • Chromecast streaming • Homescreen shortcuts • Support independent development SoundNode is a radio player that provides access to publicly available streams directly from broadcasters. Listen to radio the way it should be — simple, beautiful, and free.