skecg.cs.codec_b.EncodedStream
7.2.2. skecg.cs.codec_b.EncodedStream#
- class skecg.cs.codec_b.EncodedStream(n_samples: int, n_windows: int, n_frames: int, n_measurements: int, n_header_bits: int, n_bits: int, frames: List[skecg.cs.codec_b.EncodedFrame])[source]#
Information about the encoded bitstream
- __init__()#
Methods
__init__
()count
(value, /)Return number of occurrences of value.
index
(value[, start, stop])Return first index of value.
Attributes
bpm
Bits per measurement
bps
Bits per sample
c_nmses
List of NMSE for clipping step across all frames
compressed_bits
Total compressed bits in the encoded bitstream
cr
Compression ratio
frames
List of encoded frames
mean_vals
List of measurement mean values across all frames
n_bits
Total number of bits in the bitstream
n_frames
Number of frames in the bitstream
n_header_bits
Number of bits in the stream header
n_measurements
Number of measurements in the bitstream
n_samples
Number of samples in the bitstream
n_windows
Number of windows in the bitstream
overhead_bits
List of overhead bits across all frames
overheads
List of fractional overheads of frame headers across all frames
pss
Percentage space savings
q_nmses
List of NMSE for quantization step across all frames
q_vals
List of quantization parameters across all frames
qc_nmses
List of NMSE for quantization+clipping step across all frames
qc_snrs
List of SNR values for quantization+clipping step across all frames
rng_mults
List of range multipliers across all frames
std_vals
List of measurement standard deviation values across all frames
total_overhead
Total fractional overhead of header bits across all frames
uncompressed_bits
Total uncompressed bits in the original ECG signal