Read SMP file (with soundfile)

import soundfile as sf


def fix_text(text):
    return text.replace("{", "ä").replace("}", "å").replace("|", "ö")

def smp_headers(filename):
    with open(filename, "rb") as f:
        f.seek(0)
        raw_headers = f.read(1024)
        raw_headers = raw_headers.rstrip(b'\x00')
        asc_headers = raw_headers.decode("ascii")
        asc_headers.rstrip('\x00')
        tmp = [a for a in asc_headers.split("\r\n")]
        back = -1
        while abs(back) > len(tmp) + 1:
            if tmp[back] == '=':
                break
            back -= 1
        tmp = tmp[0:back-1]
        return dict(a.split("=") for a in tmp)

def smp_read_sf(filename):
    headers = smp_headers(filename)
    if headers["msb"] == "last":
        ENDIAN = "LITTLE"
    else:
        ENDIAN = "BIG"

    data, sr = sf.read(filename, channels=int(headers["nchans"]),
                       samplerate=16000, endian=ENDIAN, start=512,
                       dtype="int16", format="RAW", subtype="PCM_16")
    return (data, sr)

def write_wav(filename, arr):
    import wave

    with wave.open(filename, "w") as f:
        f.setnchannels(1)
        f.setsampwidth(2)
        f.setframerate(16000)
        f.writeframes(arr)


arr, sr = smp_read_sf("fp2060.pr.09.smp")
write_wav("out.wav", arr)

import IPython
IPython.display.Audio("out.wav")