Prompt Example for Generaiton
"""
You are an expert audio engineer and music producer specializing in sound design and audio processing
. Your task is to translate descriptive timbre words into specific audio effects parameters that
will achieve the desired sound character. You have deep knowledge of equalizers and understand
how they shape timbre. You MUST respond with ONLY a valid JSON object.
# Instruction Format
Given a reverb description word or phrase and an instrument type, generate appropriate parameters for
a frequency-dependent reverb that will achieve the requested spatial character.
For 44100 sample rate audio, Consider the typical reverb needs of the specified instrument when
designing the reverb characteristics.
# Input Format
The input will consist of:
1. A reverb description such as:
- Single words: "hall", "room", "plate", "cathedral", "chamber", "spring", "ambient"
- Combined descriptions: "warm hall", "bright room", "dark chamber", "short but dense"
- Spatial descriptions: "distant", "close", "intimate", "huge", "airy", "tight"
2. An instrument type such as:
- "drums", "guitar", "piano", "vocals", "strings", "brass"
# Output Format
Respond with a JSON object containing precise numerical parameters for the reverb. All values should
be in float format for efficiency. The output will include:
- The reverb parameters optimized for the requested spatial character and instrument. All values
should be floating point numbers with 2 decimal places of precision.
Format:
{
"reverb": {
"band0_gain": float,
"band1_gain": float,
"band2_gain": float,
"band3_gain": float,
"band4_gain": float,
...
[THE REST OF THE PARAMETERS ARE OMITTED]
}
}
# Signal processing function
import numpy as np
import math
import scipy.signal
from scipy.fft import rfft, irfft
from functools import partial
def noise_shaped_reverberation(
x, # Shape: (channels, seq_len)
sample_rate,
band0_gain,
...
band11_decay,
mix
):
[THE REST OF THE PYTHON CODE ARE OMITTED]
# Input audio feature
{
"sample_rate": 44100,
"rms_energy": 0.04,
"crest_factor": 11.86,
"dynamic_spread": 0.06,
"spectral_centroid": 1476.24,
"spectral_flatness": 0.01,
"spectral_bandwidth": 1796.65,
"estimated_rt60": 2.94
}
# Incontext examples
QUESTION: please design a reverb audio effects for a echo piano sound.
ANSWER: {’reverb’: {’band0_gain’: 0.0, ’band1_gain’: 0.0, ’band2_gain’: 0.0, ’band3_gain’: 0.0, ’
band4_gain’: 0.0, ’band5_gain’: 0.0, ’band6_gain’: 0.0, ’band7_gain’: 0.0, ’band8_gain’: 0.0, ’
band9_gain’: 0.0, ’band10_gain’: 0.0, ’band11_gain’: 0.0, ’band0_decay’: 0.1, ’band1_decay’: 0.1,
’band2_decay’: 0.1, ’band3_decay’: 0.1, ’band4_decay’: 0.1, ’band5_decay’: 0.1, ’band6_decay’:
0.1, ’band7_decay’: 0.1, ’band8_decay’: 0.1, ’band9_decay’: 0.1, ’band10_decay’: 0.1, ’
band11_decay’: 0.1, ’mix’: 0.8}}
QUESTION: please design a reverb audio effects for a warm piano sound.
ANSWER: {’reverb’: {’band0_gain’: 0.05, ’band1_gain’: 0.1, ’band2_gain’: 0.15, ’band3_gain’: 0.2, ’
band4_gain’: 0.25, ’band5_gain’: 0.3, ’band6_gain’: 0.35, ’band7_gain’: 0.4, ’band8_gain’: 0.45,
’band9_gain’: 0.5, ’band10_gain’: 0.55, ’band11_gain’: 0.6, ’band0_decay’: 1.2, ’band1_decay’:
1.8, ’band2_decay’: 2.5, ’band3_decay’: 3.5, ’band4_decay’: 4.5, ’band5_decay’: 6.0, ’band6_decay
’: 7.5, ’band7_decay’: 9.5, ’band8_decay’: 11.5, ’band9_decay’: 14.0, ’band10_decay’: 16.5, ’
band11_decay’: 19.5, ’mix’: 0.8}}
QUESTION: please design a reverb audio effects for a distorted guitar sound.
ANSWER: {’reverb’: {’band0_gain’: 0.05, ’band1_gain’: 0.1, ’band2_gain’: 0.15, ’band3_gain’: 0.2, ’
band4_gain’: 0.25, ’band5_gain’: 0.2, ’band6_gain’: 0.15, ’band7_gain’: 0.1, ’band8_gain’: 0.05,
’band9_gain’: 0.02, ’band10_gain’: 0.01, ’band11_gain’: 0.0, ’band0_decay’: 1.0, ’band1_decay’:
0.8, ’band2_decay’: 0.6, ’band3_decay’: 0.4, ’band4_decay’: 0.2, ’band5_decay’: 0.1, ’band6_decay
’: 0.05, ’band7_decay’: 0.02, ’band8_decay’: 0.01, ’band9_decay’: 0.005, ’band10_decay’: 0.002, ’
band11_decay’: 0.001, ’mix’: 0.8}}
QUESTION: please design a reverb audio effects for a echo guitar sound.
ANSWER: {’reverb’: {’band0_gain’: 0.0, ’band1_gain’: 0.1, ’band2_gain’: 0.2, ’band3_gain’: 0.3, ’
band4_gain’: 0.3, ’band5_gain’: 0.2, ’band6_gain’: 0.1, ’band7_gain’: 0.05, ’band8_gain’: 0.02, ’
band9_gain’: 0.01, ’band10_gain’: 0.01, ’band11_gain’: 0.01, ’band0_decay’: 0.1, ’band1_decay’:
0.2, ’band2_decay’: 0.3, ’band3_decay’: 0.4, ’band4_decay’: 0.5, ’band5_decay’: 0.6, ’band6_decay
’: 0.7, ’band7_decay’: 0.8, ’band8_decay’: 0.9, ’band9_decay’: 1.0, ’band10_decay’: 1.1, ’
band11_decay’: 1.2, ’mix’: 0.7}}
QUESTION: please design a reverb audio effects for a echo drums sound.
ANSWER: {’reverb’: {’band0_gain’: 0.0, ’band1_gain’: 0.0, ’band2_gain’: 0.0, ’band3_gain’: 0.0, ’
band4_gain’: 0.0, ’band5_gain’: 0.0, ’band6_gain’: 0.0, ’band7_gain’: 0.0, ’band8_gain’: 0.5, ’
band9_gain’: 1.0, ’band10_gain’: 1.0, ’band11_gain’: 0.5, ’band0_decay’: 0.1, ’band1_decay’: 0.1,
’band2_decay’: 0.1, ’band3_decay’: 0.1, ’band4_decay’: 0.1, ’band5_decay’: 0.1, ’band6_decay’:
0.1, ’band7_decay’: 0.1, ’band8_decay’: 0.7, ’band9_decay’: 0.9, ’band10_decay’: 0.9, ’
band11_decay’: 0.7, ’mix’: 0.8}}
QUESTION: please design a reverb audio effects for a church guitar sound.
ANSWER:
"""
