FM Synthesizer with HIP (ROCm and CUDA)

This project demonstrates FM Synthesis (Frequency Modulation) using HIP (Heterogeneous Compute Interface), enabling high-performance sound generation on both AMD and NVIDIA GPUs.

Key Features

FM Synthesis:

• Implements basic FM synthesis to generate sounds by modulating one oscillator's frequency (carrier) using another oscillator (modulator).

• Audio data is generated and then written to a .wav file for playback or further processing.

• Supports 16, 24 and 32 -bit PCM Output at variable sample rates.

• Multiple waveforms supported: Sine, Square, Triangle, Sawtooth.

• Can read, parse and generate audio data from a MIDI file.

Dependencies

• Ensure that your system supports HIP (either via AMD ROCm or via NVIDIA CUDA).
• Make

Build and run

git clone --recurse-submodules git@github.com:Avicted/HIP_FM_Synthesis.git

make all
make run

Program Output

The following command generates a .wav file with a 1-second sound clip using the default parameters:

./build/Main
        Hello from HIP!
        CUDA Device Count: 1
        Device 0: AMD Radeon RX 6900 XT
                Compute Capability: 10.3
                Total Global Memory: 17163091968
                Shared Memory per Block: 65536
                Registers per Block: 65536
                Warp Size: 32
                Max Threads per Block: 1024
                Max Threads Dimension: (1024, 1024, 1024)
                Max Grid Size: (2147483647, 65536, 65536)
                Clock Rate: 2660000
                Total Constant Memory: 2147483647
                Multiprocessor Count: 40
                L2 Cache Size: 4194304
                Max Threads per Multiprocessor: 2048
                Unified Addressing: 0
                Memory Clock Rate: 1000000
                Memory Bus Width: 256
                Peak Memory Bandwidth: 64.000000
        Hello from HIP Kernel!
        Memory Usage: 40 megabytes
        Running FM Synthesis...
        FM Synthesis completed!
        Kernel execution time: 13.146 ms
        WAV file written: output_24bit_48kHz.wav
        Memory Usage: 0 megabytes

Manually Convert .wav to .mp3

ffmpeg -i output_32bit_48kHz.wav -vn -ar 44100 -ac 2 -b:a 192k output_demo.mp3

Example Audio Output

License

This project is licensed under the MIT License