import Foundation func decodeWaveFile(_ url: URL) throws -> [Float] { let data = try Data(contentsOf: url) let floats = stride(from: 44, to: data.count, by: 2).map { return data[$0..<$0 + 2].withUnsafeBytes { let short = Int16(littleEndian: $0.load(as: Int16.self)) return max(-1.0, min(Float(short) / 32767.0, 1.0)) } } return floats }