Issue 29: Music recognition

[Gl0dny]

You said: how can I enable my hexapod to recognize specific song and dance to it ChatGPT said: ChatGPT

Enabling your hexapod robot to recognize specific songs and dance to them involves several steps, combining audio recognition and motion control. Here’s a high-level approach to achieve this:

1. Audio Recognition

To recognize specific songs, you can use audio recognition libraries. Some options include:

Sonic Visualiser: For analyzing audio files and extracting features.
LibROSA: A Python library for music and audio analysis that can help in feature extraction.
Sound Recognition Models: Pre-trained models like those from TensorFlow or PyTorch that can classify audio samples.

2. Feature Extraction

You’ll need to extract relevant features from the audio for recognition. Common features include:

Mel-frequency cepstral coefficients (MFCCs): Useful for identifying phonemes and musical notes.
Spectrograms: Visual representations of the frequency spectrum of sound as it varies with time.

3. Machine Learning Model

Train a machine learning model to recognize specific songs based on the extracted features. You can use:

Supervised Learning: Collect a dataset of audio clips for each song and train a model (e.g., SVM, Random Forest, or Neural Networks).
Transfer Learning: Utilize pre-trained models (like those in TensorFlow) that can be fine-tuned for your specific dataset.

4. Motion Control

Once the hexapod recognizes a song, you need to implement motion sequences for dancing. This involves:

Gait Generation: Create or modify existing gait algorithms to match the rhythm of the song.
Predefined Dance Moves: Program specific movements for each recognized song. You can use keyframe animations or scripted movements.

5. Integration

Combine the audio recognition and motion control components:

Use the audio recognition system to trigger the appropriate dance moves when a specific song is recognized.
Ensure the hexapod's movements are synchronized with the music. You might need to adjust timing based on the song's tempo.

6. Testing and Iteration

   Test your setup with different songs and refine the audio recognition and dance routines as needed. Consider adding sensors (like accelerometers) to adjust movements based on the environment or feedback.

Example Implementation Steps

Install Required Libraries: Install audio processing and machine learning libraries.
Record Training Data: Collect and label audio samples of the songs you want the hexapod to recognize.
Feature Extraction: Write a script to extract audio features from your samples.
Train Model: Train your machine learning model on the extracted features.
Control Logic: Write the control logic to trigger the dance moves based on song recognition.
Test and Optimize: Run tests with your hexapod to see how well it recognizes songs and performs the dance moves.

Example Libraries and Tools

TensorFlow/Keras: For machine learning and model training.
LibROSA: For audio feature extraction.
Arduino or Raspberry Pi: To control the hexapod and implement the code.

This setup can be quite complex, but with iterative testing and adjustment, you can create an engaging and responsive dancing hexapod! You said: are there models that I can use out of box? ChatGPT said: ChatGPT

Yes, there are several out-of-the-box models and libraries that you can use to enable your hexapod robot to recognize specific songs without needing to build a model from scratch. Here are some popular options:

1. Google AudioSet

   Description: A large-scale dataset for audio event detection that can be used to train models for recognizing various sounds, including music. Usage: You can use pre-trained models available on TensorFlow Hub that have been trained on this dataset for audio classification tasks.

2. Pre-trained TensorFlow Models

   TensorFlow Sound Classification Models: TensorFlow offers several pre-trained models specifically designed for sound classification. You can find models that classify various audio types, including music genres. Usage: You can easily adapt these models for your own use by fine-tuning them on a smaller dataset of songs you want to recognize.

3. OpenAI’s Whisper

   Description: Although primarily a speech recognition model, Whisper can be adapted to recognize some music cues or lyrics. Usage: You can use it to analyze songs and detect specific phrases or sections that could trigger dance moves.

4. VGGish

   Description: A model that takes audio waveforms and converts them into a 128-dimensional embedding, trained on a subset of the AudioSet dataset. Usage: You can fine-tune this model on your specific audio samples to recognize different songs based on their embeddings.

5. PyTorch Audio Libraries

   torchvision & torchaudio: These libraries include various pre-trained models for audio tasks. You can find models for classification and segmentation that might fit your needs. Usage: Similar to TensorFlow, you can load these models and fine-tune them for your specific dataset.

6. MIR (Music Information Retrieval) Libraries

   LibROSA: While not a model per se, this library can help you extract features from audio files that can be used in conjunction with simple classifiers. Essentia: Another library for music analysis that includes pre-trained algorithms for genre classification and music similarity.

7. Magenta by Google

   Description: An open-source research project exploring the role of machine learning in the process of creating art and music. Usage: While its primary focus is music generation, it also includes tools for music analysis and might help you with recognizing musical features.

Implementation Steps Using Pre-trained Models

Select a Model: Choose one of the pre-trained models that best fits your needs for song recognition.
Set Up Environment: Install the necessary libraries (e.g., TensorFlow, PyTorch, or LibROSA).
Load the Model: Use the model directly or fine-tune it with a smaller dataset of the specific songs you want to recognize.
Audio Input: Use your microphone array (ReSpeaker 6-Mic Array) to capture audio input.
Processing: Pass the audio input through the model to classify or recognize the song.
Trigger Movements: Based on the recognized song, trigger the corresponding dance routine for your hexapod.

Additional Resources

GitHub Repositories: Search for repositories focused on audio classification with pre-trained models. Many developers share their code and models, making it easier to implement audio recognition.
Kaggle Datasets: Look for audio datasets on Kaggle, which might already include the songs you’re interested in or similar data for training.

Using these pre-trained models can significantly reduce the complexity of your project and allow you to focus more on the dance movements and overall behavior of your hexapod robot!

[Gl0dny]

would I be able to detect specific music track with picovoice? 2/2 ChatGPT said: ChatGPT

Yes, you can use Picovoice to detect specific music tracks, but it requires a custom setup since Picovoice is primarily designed for voice recognition and keyword spotting rather than music recognition.

Here are a few steps to consider:

Create a Custom Model: You can train a Picovoice model to recognize specific audio patterns or tracks. This involves recording samples of the music tracks you want to recognize and training a custom model using Picovoice's tools.

Audio Feature Extraction: For music recognition, you might want to use techniques like Mel-frequency cepstral coefficients (MFCC) or other audio feature extraction methods to represent the music tracks in a way that Picovoice can process effectively.

Real-Time Detection: Once you have a trained model, you can implement it in a real-time audio processing setup. Picovoice can listen to the audio input and match it against the trained patterns.

Limitations: Keep in mind that the effectiveness of this approach may vary based on factors like audio quality, background noise, and the distinctiveness of the music tracks.

If you need detailed guidance on setting this up or further information about specific techniques, feel free to ask! You said: Can I use music recogniition designed tool in raspberry pi ? ChatGPT said: ChatGPT

Yes, you can use music recognition tools on a Raspberry Pi. Here are some popular options you can consider:

Shazam API: While the Shazam app itself is not available for Raspberry Pi, you can use the Shazam API for music recognition. You’d need to implement your own code to interact with the API, capturing audio input, processing it, and sending it for recognition.

Audd.io API: Similar to Shazam, Audd.io provides a music recognition API that you can use to identify tracks. You can capture audio using a microphone connected to the Raspberry Pi and send it to the Audd.io API for recognition.

Sonic API: This API provides music recognition capabilities as well. You can use it in a similar manner by sending audio clips to the API for analysis.

Open Source Libraries:
    Aubio: A library designed for audio and music analysis. You can use it for tasks like pitch detection, onset detection, and more.
    LibROSA: A Python package for music and audio analysis that can be used for feature extraction and music recognition tasks.

MusicBrainz Picard: While not specifically a recognition tool, it can be useful for tagging music files with metadata and organizing your music library.

Setup Steps

To use any of these tools, you will typically follow these steps:

Install Dependencies: Depending on the tool you choose, you may need to install libraries or frameworks (e.g., Python, Flask, requests).

Capture Audio: Connect a microphone to the Raspberry Pi and use libraries like pyaudio to capture audio.

Process Audio: Convert the captured audio into a format suitable for recognition (e.g., a WAV file).

Send Audio for Recognition: Use the chosen API or library to analyze the audio and identify the music track.

Handle Responses: Process the response from the recognition service to get the track information.

Example: Using Audd.io with Python

Here’s a simple example of how you might set up audio recognition using the Audd.io API:

python

import requests import pyaudio import wave

Function to record audio

def record_audio(filename, duration): audio = pyaudio.PyAudio() stream = audio.open(format=pyaudio.paInt16, channels=1, rate=44100, input=True, frames_per_buffer=1024) frames = []

print("Recording...")
for _ in range(0, int(44100 / 1024 * duration)):
    data = stream.read(1024)
    frames.append(data)

print("Finished recording.")

stream.stop_stream()
stream.close()
audio.terminate()

with wave.open(filename, 'wb') as wf:
    wf.setnchannels(1)
    wf.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
    wf.setframerate(44100)
    wf.writeframes(b''.join(frames))

Function to recognize music

def recognize_music(filename): api_url = "https://api.audd.io/" api_key = "YOUR_API_KEY" # Replace with your Audd.io API key with open(filename, 'rb') as audio_file: response = requests.post(api_url, data={ 'api_token': api_key, 'file': audio_file, }) return response.json()

Main script

if name == "main": audio_file = "test.wav" record_audio(audio_file, duration=5) # Record for 5 seconds result = recognize_music(audio_file) print(result)

Conclusion

Using music recognition on a Raspberry Pi is feasible with the right tools and setup. If you need more specific guidance on any of these tools or how to implement them, just let me know! You said:

Shazam API: While the Shazam app itself is not available for Raspberry Pi, you can use the Shazam API for music recognition. You’d need to implement your own code to interact with the API, capturing audio input, processing it, and sending it for recognition. is the api free? ChatGPT said: ChatGPT

The Shazam API is not publicly available for free use. While there are some third-party libraries and tools that attempt to leverage Shazam's functionality, they often operate under legal gray areas and are not officially supported by Shazam. Alternatives

If you’re looking for free or more accessible music recognition APIs, consider the following:

Audd.io:
    Offers a free tier with limited recognition requests per month. It’s a good starting point for testing and small projects.
    Audd.io Pricing

ACRCloud:
    Provides a free tier for development purposes with limitations on requests.
    It can recognize music tracks, provide metadata, and more.
    ACRCloud Pricing

AudioDB:
    While not a direct music recognition service, it offers a database of music tracks and related metadata.
    It can be used for fetching information if you have audio samples.

SoundCloud API:
    Not specifically for recognition, but allows access to music tracks and metadata on SoundCloud.

Spotify API:
    Similar to SoundCloud, it provides access to music data but doesn’t offer music recognition capabilities directly.

For most music recognition projects on a budget, Audd.io or ACRCloud would be the best options to explore. If you need help getting started with any of these services, just let me know!