Mp3 realize the encoding and decoding. Can read the total frames, rate, channel, such as audio information.

Packet : 67506223amr.rar filelist
AMR\AMRP\amrp.dsp
AMR\AMRP\amrp.dsw
AMR\AMRP\mssccprj.scc
AMR\AMRP\vssver.scc
AMR\AMRT\27396.amr
AMR\AMRT\27396.out
AMR\AMRT\amrt.dsp
AMR\AMRT\amrt.dsw
AMR\AMRT\mssccprj.scc
AMR\AMRT\TheMcibak.c
AMR\AMRT\vssver.scc
AMR\DATA\bitno.tab
AMR\DATA\c2_11pf.tab
AMR\DATA\c2_9pf.tab
AMR\DATA\corrwght.tab
AMR\DATA\d_homing.tab
AMR\DATA\gains.tab
AMR\DATA\gray.tab
AMR\DATA\grid.tab
AMR\DATA\inter_36.tab
AMR\DATA\inv_sqrt.tab
AMR\DATA\lag_wind.tab
AMR\DATA\log2.tab
AMR\DATA\lsp.tab
AMR\DATA\lsp_lsf.tab
AMR\DATA\ph_disp.tab
AMR\DATA\pow2.tab
AMR\DATA\qgain475.tab
AMR\DATA\qua_gain.tab
AMR\DATA\q_plsf_3.tab
AMR\DATA\q_plsf_5.tab
AMR\DATA\sqrt_l.tab
AMR\DATA\vssver.scc
AMR\DATA\window.tab
AMR\DOC\26073-600.doc
AMR\DOC\readme.doc
AMR\DOC\vssver.scc
AMR\INCLUDE\agc.h
AMR\INCLUDE\amr.h
AMR\INCLUDE\autocorr.h
AMR\INCLUDE\az_lsp.h
AMR\INCLUDE\a_refl.h
AMR\INCLUDE\basic_op.h
AMR\INCLUDE\bgnscd.h
AMR\INCLUDE\bits2prm.h
AMR\INCLUDE\b_cn_cod.h
AMR\INCLUDE\c1035pf.h
AMR\INCLUDE\c2_11pf.h
AMR\INCLUDE\c2_9pf.h
AMR\INCLUDE\c3_14pf.h
AMR\INCLUDE\c4_17pf.h
AMR\INCLUDE\c8_31pf.h
AMR\INCLUDE\calc_cor.h
AMR\INCLUDE\calc_en.h
AMR\INCLUDE\cbsearch.h
AMR\INCLUDE\cl_ltp.h
AMR\INCLUDE\cnst.h
AMR\INCLUDE\cnst_vad.h
AMR\INCLUDE\cod_amr.h
AMR\INCLUDE\convolve.h
AMR\INCLUDE\copy.h
AMR\INCLUDE\cor_h.h
AMR\INCLUDE\count.h
AMR\INCLUDE\c_g_aver.h
AMR\INCLUDE\d1035pf.h
AMR\INCLUDE\d2_11pf.h
AMR\INCLUDE\d2_9pf.h
AMR\INCLUDE\d3_14pf.h
AMR\INCLUDE\d4_17pf.h
AMR\INCLUDE\d8_31pf.h
AMR\INCLUDE\dec_amr.h
AMR\INCLUDE\dec_gain.h
AMR\INCLUDE\dec_lag3.h
AMR\INCLUDE\dec_lag6.h
AMR\INCLUDE\dtx_dec.h
AMR\INCLUDE\dtx_enc.h
AMR\INCLUDE\d_gain_c.h
AMR\INCLUDE\d_gain_p.h
AMR\INCLUDE\d_homing.h
AMR\INCLUDE\d_plsf.h
AMR\INCLUDE\ec_gains.h
AMR\INCLUDE\enc_lag3.h
AMR\INCLUDE\enc_lag6.h
AMR\INCLUDE\ex_ctrl.h
AMR\INCLUDE\e_homing.h
AMR\INCLUDE\frame.h
AMR\INCLUDE\gain_q.h
AMR\INCLUDE\gc_pred.h
AMR\INCLUDE\gmed_n.h
AMR\INCLUDE\g_adapt.h
AMR\INCLUDE\g_code.h
AMR\INCLUDE\g_pitch.h
AMR\INCLUDE\hp_max.h
AMR\INCLUDE\inter_36.h
AMR\INCLUDE\int_lpc.h
AMR\INCLUDE\int_lsf.h
AMR\INCLUDE\inv_sqrt.h
AMR\INCLUDE\lag_wind.h
AMR\INCLUDE\levinson.h
AMR\INCLUDE\log2.h
AMR\INCLUDE\lpc.h
AMR\INCLUDE\lsfwt.h
AMR\INCLUDE\lsp.h
AMR\INCLUDE\lsp_avg.h
AMR\INCLUDE\lsp_az.h
AMR\INCLUDE\lsp_lsf.h
AMR\INCLUDE\mac_32.h
AMR\INCLUDE\mode.h
AMR\INCLUDE\n_proc.h
AMR\INCLUDE\ol_ltp.h
AMR\INCLUDE\oper_32b.h
AMR\INCLUDE\ph_disp.h
AMR\INCLUDE\pitch_fr.h
AMR\INCLUDE\pitch_ol.h
AMR\INCLUDE\post_pro.h
AMR\INCLUDE\pow2.h
AMR\INCLUDE\pred_lt.h
AMR\INCLUDE\preemph.h
AMR\INCLUDE\pre_big.h
AMR\INCLUDE\pre_proc.h
AMR\INCLUDE\prm2bits.h
AMR\INCLUDE\pstfilt.h
AMR\INCLUDE\p_ol_wgh.h
AMR\INCLUDE\qgain475.h
AMR\INCLUDE\qgain795.h
AMR\INCLUDE\qua_gain.h
AMR\INCLUDE\q_gain_c.h
AMR\INCLUDE\q_gain_p.h
AMR\INCLUDE\q_plsf.h
AMR\INCLUDE\reorder.h
AMR\INCLUDE\residu.h
AMR\INCLUDE\s10_8pf.h
AMR\INCLUDE\set_sign.h
AMR\INCLUDE\set_zero.h
AMR\INCLUDE\sid_sync.h
AMR\INCLUDE\spreproc.h
AMR\INCLUDE\spstproc.h
AMR\INCLUDE\sp_dec.h
AMR\INCLUDE\sp_enc.h
AMR\INCLUDE\sqrt_l.h
AMR\INCLUDE\strfunc.h
AMR\INCLUDE\syn_filt.h
AMR\INCLUDE\ton_stab.h
AMR\INCLUDE\typedef.h
AMR\INCLUDE\typedefs.h
AMR\INCLUDE\vad.h
AMR\INCLUDE\vad1.h
AMR\INCLUDE\vad2.h
AMR\INCLUDE\vadname.h
AMR\INCLUDE\vssver.scc
AMR\INCLUDE\weight_a.h
AMR\SRC\agc.c
AMR\SRC\amr.c
AMR\SRC\autocorr.c
AMR\SRC\az_lsp.c
AMR\SRC\a_refl.c
AMR\SRC\basicop2.c
AMR\SRC\bgnscd.c
AMR\SRC\bits2prm.c
AMR\SRC\b_cn_cod.c
AMR\SRC\c1035pf.c
AMR\SRC\c2_11pf.c
AMR\SRC\c2_9pf.c
AMR\SRC\c3_14pf.c
AMR\SRC\c4_17pf.c
AMR\SRC\c8_31pf.c
AMR\SRC\calc_cor.c
AMR\SRC\calc_en.c
AMR\SRC\cbsearch.c
AMR\SRC\cl_ltp.c
AMR\SRC\coder.c
AMR\SRC\cod_amr.c
AMR\SRC\convolve.c
AMR\SRC\copy.c
AMR\SRC\cor_h.c
AMR\SRC\count.c
AMR\SRC\c_g_aver.c
AMR\SRC\d1035pf.c
AMR\SRC\d2_11pf.c
AMR\SRC\d2_9pf.c
AMR\SRC\d3_14pf.c
AMR\SRC\d4_17pf.c
AMR\SRC\d8_31pf.c
AMR\SRC\decoder.c
AMR\SRC\dec_amr.c
AMR\SRC\dec_gain.c
AMR\SRC\dec_lag3.c
AMR\SRC\dec_lag6.c
AMR\SRC\dtx_dec.c
AMR\SRC\dtx_enc.c
AMR\SRC\d_gain_c.c
AMR\SRC\d_gain_p.c
AMR\SRC\d_homing.c
AMR\SRC\d_plsf.c
AMR\SRC\d_plsf_3.c
AMR\SRC\d_plsf_5.c
AMR\SRC\ec_gains.c
AMR\SRC\enc_lag3.c
AMR\SRC\enc_lag6.c
AMR\SRC\ex_ctrl.c
AMR\SRC\e_homing.c
AMR\SRC\gain_q.c
AMR\SRC\gc_pred.c
AMR\SRC\gmed_n.c
AMR\SRC\g_adapt.c
AMR\SRC\g_code.c
AMR\SRC\g_pitch.c
AMR\SRC\hp_max.c
AMR\SRC\inter_36.c
AMR\SRC\int_lpc.c
AMR\SRC\int_lsf.c
AMR\SRC\inv_sqrt.c
AMR\SRC\lag_wind.c
AMR\SRC\levinson.c
AMR\SRC\lflg_upd.c
AMR\SRC\log2.c
AMR\SRC\lpc.c
AMR\SRC\lsfwt.c
AMR\SRC\lsp.c
AMR\SRC\lsp_avg.c
AMR\SRC\lsp_az.c
AMR\SRC\lsp_lsf.c
AMR\SRC\mac_32.c
AMR\SRC\n_proc.c
AMR\SRC\ol_ltp.c
AMR\SRC\oper_32b.c
AMR\SRC\ph_disp.c
AMR\SRC\pitch_fr.c
AMR\SRC\pitch_ol.c
AMR\SRC\post_pro.c
AMR\SRC\pow2.c
AMR\SRC\pred_lt.c
AMR\SRC\preemph.c
AMR\SRC\pre_big.c
AMR\SRC\pre_proc.c
AMR\SRC\prm2bits.c
AMR\SRC\pstfilt.c
AMR\SRC\p_ol_wgh.c
AMR\SRC\qgain475.c
AMR\SRC\qgain795.c
AMR\SRC\qua_gain.c
AMR\SRC\q_gain_c.c
AMR\SRC\q_gain_p.c
AMR\SRC\q_plsf.c
AMR\SRC\q_plsf_3.c
AMR\SRC\q_plsf_5.c
AMR\SRC\reorder.c
AMR\SRC\residu.c
AMR\SRC\r_fft.c
AMR\SRC\s10_8pf.c
AMR\SRC\set_sign.c
AMR\SRC\set_zero.c
AMR\SRC\sid_sync.c
AMR\SRC\spreproc.c
AMR\SRC\spstproc.c
AMR\SRC\sp_dec.c
AMR\SRC\sp_enc.c
AMR\SRC\sqrt_l.c
AMR\SRC\strfunc.c
AMR\SRC\syn_filt.c
AMR\SRC\ton_stab.c
AMR\SRC\vad1.c
AMR\SRC\vad2.c
AMR\SRC\vadname.c
AMR\SRC\vssver.scc
AMR\SRC\weight_a.c
AMR\AMRP
AMR\AMRT
AMR\DATA
AMR\DOC
AMR\INCLUDE
AMR\SRC
AMR

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