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